Answer:
D)45,90 90 this is the answer
Answer:
C) 30, 60, 90
Step-by-step explanation:
all three angles must add up to 180
if angle A and angle B are supplementary, and angle A and angle C are supplementary. What conclusion is valid
Answer:
Angle B and C are congruent.
f(4/5) if f(x) = 4x - 1/5
Directions: Follow the instructions for the following inequalities. Will give brainlist!
1. 4<7 Multiply both sides by 7, then by 6, then by 3, then by 10
2. 11>-2 Add 5 to both sides, then add 3, then add (-4)
3. -4<-2 Subtract 6 from both sides, then 8, and then 2
4. -8<8 Divide both sides by -4, then by -2
5. Write a short explanation of the effects of the above operations. Did this affect the inequality sign? Was it still true? Why or why not?
1) 4<7
×7 ×7
28<49
×6 ×6
168<294
×3 ×3
504<882
×10 ×10
5040<8820
2) 11>-2
+5 +5
16> 3
+3 +3
19>6
+-4 +-4
15>2
3) -4<-2
-6 -6
-10<-8
-8 -8
-18<-16
-2 -2
-20<-18
4) -8<8
÷-4 ÷-4
2<-2
÷-2 ÷-2
-1< 1
5) ~The affect of the inequality sign didn't change. If you add or subtract the same positive or negative number to both sides of an inequality or an equation, the inequality stays the same. If you multiply or divide both sides of an inequality or an equation by the same positive number, the inequality stays the same. This is because when manipulating inequalities there are rules this if a < b then a + c < b + c so we get a new number that replaces a and b yet the inequality symbol stays the same so a still is smaller than b.
Hope this helped you- have a good day bro cya)
What is the value of the expression when a = 6, b = 4, and c = 8?
2a3b−c
1
3
8
12
ill give 25 points
Please help me, 30 points!
Answer:
NO = 3
Step-by-step explanation:
Discussion
A secant is a line segment that intersects a circle in TWO places. If the secants start from the same point (O in this case) then the formula is
External Segment*Whole secant of one Secant = External segment*whole secant of the other secant.
Put into letters
NO(MN+NO) = OP*(OP + QP)
Givens
NO = ?
MN = 5
OP = 4
QP = 2
Solution
NO * ( 5 + NO) = 4(4+2)
5NO + NO^2 = 24 Subtract 24 from both sides
NO^2 + 5NO - 24 = 24-24 Combine
NO^2 + 5NOi - 24 = 0 Factor
(NO + 8)(NO -3) = 0
NO + 8 does not give a good answer. NO = - 8 which is not possible
NO - 3 = 0
NO = 3
Write an equation in point-slope form of the line through the point (−1, 2) and with slope m = 2.
A. y − 2 = 2(x − 1)
B. y + 2 = 2(x − 1)
C. y + 2 = 2(x + 1)
D. y − 2 = 2(x + 1)
Answer:
D. y - 2 = 2(x + 1)
Step-by-step explanation:
y - y₁ = m (x - x₁)y - 2 = 2 (x - (-1))
y - 2 = 2 (x + 1)
#CMIIWto create a parallelogram, just think of 2 different pairs of parallel lines __________________.
To create a parallelogram, just think of 2 different pairs of parallel lines that never intersect.
What is the key concept for creating a parallelogram involving pairs of parallel lines?A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length. To create a parallelogram, we need to visualize two different pairs of lines that never intersect. The pairs of lines must be parallel to each other, meaning they have the same slope and will never converge or cross each other. By ensuring that these pairs of lines remain parallel, we can form a quadrilateral with opposite sides that are parallel and equal in length, defining a parallelogram.
Understanding the concept of parallel lines is fundamental for constructing a parallelogram. This knowledge enables us to identify and visualize the appropriate lines that can form a parallelogram. By ensuring the parallelism of these lines, we guarantee the creation of a quadrilateral with specific geometric properties.
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Parallelogram MNOP with vertices M(1, 7),
N(8, 5), O(4, 2), and P(-3, 4): and it rotates 180° What will be the new coordinates
The new coordinates are M'(-1, -7), N'(-8, -5), O'(-4, -2), and P'(3, -4)
What is a 180 degrees rotation?A 180 degrees rotation denoted by R(180, 0) is a rotation that has the same effect as the 180 degrees counterclockwise of a figure.
And it has the algebraic rule of its rotation to be changed from (x, y) to (-x, -y) i.e (x, y) ⇒ (-x, -y)
How to determine the image of the rotation?The coordinates of the parallelogram are given as
M(1, 7), N(8, 5), O(4, 2), and P(-3, 4)
The rotation is given as 180° rotation
As mentioned above,
We have (x, y) ⇒ (-x, -y)
Substitute M(1, 7), N(8, 5), O(4, 2), and P(-3, 4) in (x, y) ⇒ (-x, -y)
So, we have
M'(-1, -7), N'(-8, -5), O'(-4, -2), and P'(3, -4)
Hence, the coordinates of the image are M'(-1, -7), N'(-8, -5), O'(-4, -2), and P'(3, -4)
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3
87. 8
98
-
8[?].
the question didn’t have enough letters for me to post so i’m using this to post it
how do I write an equation of the trend line in slope intercept form?
Answer:
y=mx+b
Step-by-step explanation:
Answer:
You can see that it also uses the slope. You'll plug in your x1 and y1 along with the slope into the formula. Then you'll evaluate and rewrite it in the slope-intercept form by solving for the y variable. From this, we see that our equation for the trend line is y = (1/3)x + 2, and we are done!
Step-by-step explanation:
Hope this helps
"Please calculate the mean or the expected loss for the following
probabilities of various losses for a certain risk: Amount of Loss
(X) Probability of Loss P(X)
a. $0 .30
b. $120 .50
c. $200 .20"
The formula to calculate the expected loss is given by the following formula: Expected Loss = Σ (Loss Amount * Probability of Loss)To calculate the expected loss, we need to first multiply the loss amount with the probability of loss, and then add the products.
a. $0 .30Loss amount, X = $0Probability of loss, P(X) = 0.30Expected loss = 0 * 0.3 = $0b. $120 .50Loss amount, X = $120Probability of loss, P(X) = 0.50Expected loss = 120 * 0.5 = $60c. $200 .20Loss amount, X = $200Probability of loss, P(X) = 0.20Expected loss = 200 * 0.2 = $40, the expected loss for the given probabilities of various losses is $0 for a), $60 for b) and $40 for c). The total expected loss would be the sum of all expected losses i.e. $100.
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Answer 1 question. Thanks
When borrowing money from the bank, the amount of money originally borrowed is called the
Answer:principal. Amount of money originally borrowed in a loan. interest. Amount of money the borrower must pay for the use of someone else's money.
Step-by-step explanation:
Answer: The answer is principal
Step-by-step explanation:
It's in the definition of the word principal which means the amount f money originally deposited, borrowed, or loaned.
In the diagram below of triangle MNOP, P is the midpoint of MO and Q is the midpoint of NO. If PQ=5x+62 and MN=6x-4, what is the measure of PQ
The measure of length PQ will be 22 units.
What is the mid-point theorem?A triangle's third side is stated to be parallel to the line segment uniting its two midpoints, and it is also half as long as the third side.
Given:
PQ = 5x + 62, and MN = 6x-4
Now, using Mid- Point Theorem
PQ= 1/2 MN
-5x+ 62 = 1/2( 6x - 4)
-5x+ 62 = 3x - 2
-5x- 3x = -2 - 62
-8x = -64
x= 8
PQ= 5x+ 62 = -5(8) + 62 = -40 + 62 = 22
Hence, the measure of PQ is 22 units.
The missing image is attached below.
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4. The sum of two numbers is 28 and their difference is 6. Find each of the numbers
Answer: 11, 17
Step-by-step explanation:
x + y = 28.........(1)
x = 28-y
x - y = 6..... . (2)
Substituting in (2)
28-y - y = 6
28 - 2y = 6
28-6 = 2y
y = 22/2 = 11
x = 28-y
x = 28 - 11 = 17
Juanita is bringing the snacks for her daughter's soccer team
I
Each girl on the team will eat - 1 of an orange and drink one
3
serving of juice or - of the amount in a bottle. How many oranges
9
and how many juice bottles will she need for all 18 girls?
1
She needs six oranges and two bottles of juice for all 18 girls.
What is the division operation?Division is one of the four fundamental operations in mathematics. When we divide anything into equal parts, we distribute or share a number or a group of things. The fair outcome of sharing is defined by division operation.
For example \(\frac{4}{2}\) = 2
There are the total number of girls is 18.
Each girl will eat \(\frac{1}{3}\) of an orange and one serving of juice, or \(\frac{1}{9}\) of the amount in a bottle.
To determine the number of oranges and the bottles of juice.
We have to divide the number of girls by the denominator (eg. 3 and 9 in this case).
For the number of oranges:
\(\frac{1}{3}\) of 18
18 ÷ 3
\(\frac{18}{3}\) = 6
For the bottles of Juice:
\(\frac{1}{9}\) of 18
18 ÷ 9
\(\frac{18}{9}\) = 2
Hence, there are six oranges and two bottles of juice will she needs for all 18 girls.
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Choose the option that best describes the limiting values of T and a under the conditions given. Choose the option that best describes the limiting values of and under the conditions given.
A T=0 and a=0
B T=[infinity] and a=0
C T=mg and a=0
D T=[infinity] and a=g
E T=0 and a=[infinity]
F T=[infinity] and a=[infinity]
Option C best describes the limiting values of T and a under the conditions given. In this case, T represents tension and a represents acceleration.
Without the specific conditions mentioned, it is impossible to determine the exact limiting values of T and a. However, certain options can be ruled out based on common sense and physical laws. For example, option C (T=mg and a=0) is not possible as the tension in a string cannot be equal to the weight of an object. Option E (T=0 and a=[infinity]) is also not possible as a mass cannot have zero tension and infinite acceleration.
Based on these eliminations, the most reasonable options are A (T=0 and a=0) and D (T=[infinity] and a=g). In the former case, the object is not moving and there is no tension in the string. In the latter case, the object is in free fall and the tension in the string is negligible compared to the weight of the object.
However, it is important to note that the exact limiting values of T and a will depend on the specific conditions of the scenario, such as the mass of the object and the angle of the string.
Option C best describes the limiting values of T and a under the conditions given. In this case, T represents tension and a represents acceleration. When T=mg and a=0, it means that the tension in the system is equal to the gravitational force acting on the mass (mg) and the system is in equilibrium with no acceleration. This is a common scenario when an object is hanging from a rope or cable and not moving. The other options do not represent stable or realistic conditions for a physical system.
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Help ASAP I’ll mark you as brainlister please HELPP ik crying I feel so useless pleasee
Answer:
439.8 ft²
Step-by-step explanation:
Asymmetric encryption algorithm can be used to ensure the integrity of a file's contents. T/F
False. Asymmetric encryption algorithm can be used to ensure the integrity of a file's contents.
Asymmetric encryption algorithms, such as RSA, are primarily used for data confidentiality and authentication, not for ensuring the integrity of a file's contents. They provide a way to securely exchange encrypted messages between parties and verify the authenticity of the sender.
To ensure the integrity of a file's contents, techniques such as cryptographic hash functions or digital signatures are used. Cryptographic hash functions generate a fixed-size hash value that uniquely represents the file's contents. Comparing the hash value before and after transmission can verify if the file has been tampered with. Digital signatures, on the other hand, use asymmetric encryption to provide a means of verifying the integrity and authenticity of a file by attaching a digital signature created with the sender's private key.
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Ted can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. When they work together, the situation can be modeled by the equation, where t is the number of hours it would take to clear the field together.
How long will it take Ted and Jacob to clear the field together?
Answer:
\(\frac{6}{5}\) of an hour = 1 1/5 hour = 72 minutes
Step-by-step explanation:
\(\frac{1}{3} h + \frac{1}{2}h = 1\\\\\frac{2}{6} h + \frac{3}{6}h = 1\\\\\\\frac{5 }{6} h =1\\\\h=\frac{6}{5}\)
The time it will take Ted and Jacob to clear the field together is; t = 1.2 hours.
We are told that;Ted can clear the football field in 3 hours. Thus, portion of field he can clear = ⅓t
Where t is number of hours
Jacob can clear the same field in 2 hours.Thus, portion that Jacob can clear = ½t.
If they work together and finish together, it means that;⅓t + ½t = 1
Multiply through by 6 to get;
2t + 3t = 6
5t = 6
t = 6/5
t = 1.2 hours
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What is chi-square? What is the symbol used for chi-square? What is the formula? Label the components of the formula.
Chi-Square (χ2) is a statistical method that compares two data sets to see if they are different. Chi-Square (χ2) association between two categorical variables. The formula for the chi-square test statistic is as follows:χ² = ∑(O − E)² / Ewhere O is the observed frequency and E is the expected frequency.
The Chi-Square (χ2) is a statistical analysis that examines the discrepancies between an observed and an expected frequency. It is used to investigate the association between two categorical variables.The formula for the chi-square test statistic is as follows:χ² = ∑(O − E)² / Ewhere O is the observed frequency and E is the expected frequency.
The formula consists of four components that are labeled as follows: Observed Frequency (O)Expected Frequency (E)Chi-Square Test Statistic (χ2)Degree of Freedom (df)The observed frequency (O) is the number of observations in each cell of the contingency table. The expected frequency (E) is the frequency that is expected if there is no relationship between the two variables. The chi-square test statistic (χ2) is a measure of the difference between the observed and expected frequencies. The degree of freedom (df) is the number of categories minus one.
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solve this equation show all steps 7x-2=3x plus 14
Answer:
x = 4
Step-by-step explanation:
7x - 2 - 3x = 14
7x - 3x = 14 + 2
4x = 14 + 2
4x = 16
Answer:
4
Step-by-step explanation:
7x -2 = 3x + 14
or, 7x - 3x = 14 + 2
or, 4x = 16
or, x = 16 / 4
or x = 4
Find the measure of the missing angles.
121°
20°
e
d
f
Answer: e=20° d=121° f=39°
Answer:
f=39°
e=20°
d=121°
Step-by-step explanation:
d=121°(vertically opposite angles are equal)
e=20°(vertically opposite angles are equal)
f=180°-(d+e)
=180-141
=39°
why is paying back along with a nominal interest rate of 13.62% if the interest is compounded quarterly, how much greater is white effective interest rate than his nominal interest rate
The required white effective interest rate is 0.71% more than his nominal interest rate.
What is compound interest?Compound interest is the interest on deposits computed on both the initial principal and the interest earned over time.
Here,
White Effective interest R,
\(R=(1+i/m)^m)-1\\R=(1+0.1362/4)^4)-1\\R =0.1433*100=\)
R = 14.33 percent
So
Difference in interest = 14.33%-13.62%
=0.71%
Thus, the required white effective interest rate is 0.71% more than his nominal interest rate.
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Answer the one you are able to answer cuz o have no idea what to do. So please save me
Answer:
I only know number 7 sorry
Step-by-step explanation:
Anyways.....
The solution she has in the bucket has 80% water (as you found out), including 14.4 fl oz. water in a total of 18 fl oz. solution.
Barbara will need to add ammonia, but only after removing some (x fl oz.) of the solution she has in the bucket.
If Barbara wants an 18 fl oz. bucket full of 25% ammonia, she will need to have in that bucket 18 × 0.25=4.5 fl oz. ammonia (25% ammonia) and
18 × 0.75=13.5 fl oz. water (75% water).
Barbara will have to start by removing some of that 80% water solution to end up with just 13.5 fl oz. water in the bucket. Removing x fl oz. of solution, gets rid of 0.8x fl oz. of water, leaving 14.4 - 0.8x fl oz. of water. since the amount of water needed is 13.5 fl oz. Our equation is
13.5 = 14.4 - 0.8x
13.5= 14.4 - 0.8x →→ 0.8x = 14.4 - 13.5 →→ 0.8x = 0.9 →→ \(x= \frac{0.9}{0.8}\) →→ x=1.125 fl. oz
Therefore 1.125 (may need to round) fl. oz should be replaced with ammonia.
Hope this helps some of your stress.
Question 6 i. Solve x dy/dx = x²+3y
ii. Find the value ∂f/∂x and ∂f/∂y at point (4,−5) given that f(x,y)=x² +3xy+y−1
The value ∂f/∂x and ∂f/∂y at point (4,−5) given that f(x,y)=x² +3xy+y−1 is x.
To solve part i. of the question, which is the differential equation x(dy/dx) = x^2 + 3y, we can use the method of separation of variables.
First, let's rearrange the equation:
dy/dx = (x^2 + 3y)/x
Now, we can separate the variables by multiplying both sides by dx and dividing by (x^2 + 3y):
(1/(x^2 + 3y)) dy = (1/x) dx
Next, we integrate both sides with respect to their respective variables:
∫(1/(x^2 + 3y)) dy = ∫(1/x) dx
For the left-hand side, we need to perform a substitution. Let u = x^2 + 3y, then du = 2xdx + 3dy. Rearranging gives us dy = (du - 2xdx)/3.
Now, we can rewrite the left-hand side of the equation:
∫(1/u) (du - 2xdx)/3 = (1/3)∫(du/u - 2xdx/u)
The integral becomes:
(1/3)ln|u| - (2/3)∫(xdx/u)
For the right-hand side, we integrate with respect to x:
∫(1/x) dx = ln|x| + C
Substituting the values back, we have:
(1/3)ln|x^2 + 3y| - (2/3)∫(xdx/(x^2 + 3y)) = ln|x| + C
Simplifying further, we get:
(1/3)ln|x^2 + 3y| - (2/3)ln|x| - (2/3)∫(xdx/(x^2 + 3y)) = ln|x| + C
Now, we can solve the integral on the right-hand side:
(1/3)ln|x^2 + 3y| - (2/3)ln|x| - (2/3)ln|x^2 + 3y| + C = ln|x| + C
Combining the logarithms, we get:
ln|x^2 + 3y|^(1/3) - ln|x|^2 - ln|x^2 + 3y|^(2/3) + C = ln|x| + C
Using logarithmic properties, we can simplify further:
ln((|x^2 + 3y|^(1/3))/(|x|^2 * |x^2 + 3y|^(2/3))) + C = ln|x| + C
Canceling out the ln terms, we obtain:
(|x^2 + 3y|^(1/3))/(|x|^2 * |x^2 + 3y|^(2/3)) = |x|
Simplifying the absolute values, we have:
(|x^2 + 3y|^(1/3))/(|x|^(2/3) * |x^2 + 3y|^(2/3)) = |x|
Now, we can remove the absolute value signs, as we're assuming x > 0:
(x^2 + 3y)^(1/3)/(x^(2/3) * (x^2 + 3y)^(2/3)) = x
Simplifying further:
1/(x^(1/3) * (x^2 + 3y)^(2/3)) = x
Cross-multiplying and rearranging, we obtain:
x
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1
Write the following equation in standard form:
y+4=
(x – 12)
3
PLEASE HELP MEE
Answer:
y-3x=-32
Step-by-step explanation:
y+4=3x-36
y-3x=-40
Find the missing values a, b, c and d
Answer:
a answer koStep-by-step explanation:
ur welcome. carry on learningAssume the situations are proportional
For every left-handed person, there are about 4 right-handed people. If there are 30 students in a class, predict the number of students who are right-handed.
Answer:
24 students are right-handed.
Step-by-step explanation:
30 total
1 left + 4 right = 5
+1 left + 4 right = 5
2 left + 8 right = 10
+1 left + 4 right = 5
3 left + 12 right = 15
+1 left + 4 right = 5
4 left + 16 right = 20
+1 left + 4 right = 5
5 left +20 right = 25
+ 1 left + 4 right = 5
6 left +24 right = 30
HELP PLZzzzzzzz i’m stuck...
Answer: C i think
Step-by-step explanation:
Answer: the answer is d from process of elimination
Step-by-step explanation:
I can rule out a because it's not just reflecting it once, I can rule out b because
rotating it 180 degrees nearly just mirrors it, I can rule out c because that puts it to the left of the shape instead of the top left corner