help me with this math question plz

Help Me With This Math Question Plz

Answers

Answer 1

\(40\% \times x = 10 \\\\\\\implies \dfrac{40}{100} x = 10\\\\\\\implies \dfrac{4x}{10} = 10\\\\\\\implies 4x = 100\\\\\implies x = \dfrac{100}4 =25\)

Answer 2

Answer:

x = 25

Step-by-step explanation:

40% of something = 10.

Let something = x

40% = 40 / 100

40/100 *x = 10                       Multiply by 100

40x = 10 * 100                       Combine

40x = 1000                            Divide by 40

x = 1000/40

x = 25


Related Questions

Let P and Q be polynomials with positive leading coefficients. Consider the limit below. (If the limit is infinite, enter '[infinity]' or '-[infinity]', as appropriate. If the limit does not otherwise exist, enter DNE.) lim x→[infinity] P(x) Q(x) (a) Find the limit if the degree of P is less than the degree of Q. (b) Find the limit if the degree of P is greater than the degree of Q.

Answers

(a) If the degree of P is less than the degree of Q, the limit is 0. (b) If the degree of P is greater than the degree of Q, the limit is either [infinity] or -[infinity], depending on the leading coefficients.

(a) If the degree of polynomial P is less than the degree of polynomial Q, as x approaches infinity, the leading term of Q(x) dominates the expression. Since both P and Q have positive leading coefficients, the limit of P(x) / Q(x) as x approaches infinity is 0. The higher degree terms in Q grow faster, making the contribution from P negligible in comparison.

(b) If the degree of polynomial P is greater than the degree of polynomial Q, the limit of P(x) / Q(x) as x approaches infinity depends on the leading coefficients of P and Q. If the leading coefficients of both P and Q are positive, the limit will be [infinity]. If the leading coefficients have opposite signs, the limit will be -[infinity]. In both cases, the higher degree terms in P dominate the expression as x grows large.

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Mike has a $1750 credit card balance. His father wants to help. He pays off ¼ of Mike’s debt. Write an expression to represent Mike’s new balance.

Answers

3 ¼= 3.25 and 9 ¼ = 9.25

9.25-3.25=6

Answer: 6

Does it make sense to represent the number 15.3 using scientific notation yes or no?

Answers

Answer:

Not really. No.

Step-by-step explanation:

15.3 in scientific notation would be represented as "1.53e+1." 15.3 isn't a very large or tiny number. Usually numbers that would be represented by scientific notation would be numbers such as "600,000,000" or "0.00000012" etc. 15.3 is just a standard decimal so it's not really practical.

Hope this helps and have a nice day!

express each of the following as a single fraction 5y/2-2y/3​

Answers

Answer:

Use a calculator for you to get an answer

Solve the inequality.

4.5 > m / 6

Answers

multiply to remove the fraction
m < 27 is the inequality

Answer:

The answer is m<27 or ((-∞)infinity symbol, 27)

Step-by-step explanation:

Multiply to remove the fraction, then set equal to ) and solve

The average length of a female dolphin is about 171 inches (in). What is this length in feet (ft) and inches (in)?

Answers

Answer:

14 feet and 3 inches

Step-by-step explanation:

Answer:

14.25ft

171 in

Step-by-step explanation:

Angel X measures 42° find the measure of angle Y

Angel X measures 42 find the measure of angle Y

Answers

Step 1

Use the law that the sum of angles on a straight line is 180° to find y given that x = 42°

Step 2

Using the law

x + y = 180°

After substitution

42 + y = 180

y = 180 - 42

y =138°

23. What lines intersect to form the circumcenter of a triangle?
angle bisectors
midsegments
altitudes
perpendicular bisectors

Answers

Answer:

  (d)  perpendicular bisectors

Step-by-step explanation:

The circumcenter is the center of the circumcircle of the triangle. Each vertex of the triangle lies on that circle. The sides of the triangle are chords of the circle.

The perpendicular bisector of a chord is a line that intersects the center of the circle containing the chord. Hence, the perpendicular bisectors of the sides of a triangle will intersect the circumcenter.

evaluate the triple integral. 16y dv, where e is bounded by the planes x = 0, y = 0, z = 0, and 2x 2y z = 4 e

Answers

The value of the triple integral is -16.

Triple integral is a mathematical concept used in calculus to calculate the volume of three-dimensional objects. It extends the concept of a single integral to functions of three variables and integrates over a region in three-dimensional space.

The triple integral of a function f(x, y, z) over a region E in three-dimensional space is denoted by:

∭E f(x, y, z) dV

We can set up the triple integral as follows:

∫∫∫ 16y dV

Where the limits of integration are:

0 ≤ x ≤ 2

0 ≤ y ≤ (2- \(x^2\)z)/(2y)

0 ≤ z ≤ 2/\(x^{2y\)

Note that the upper bound of integration for y is not a constant, but depends on both x and z.

Integrating with respect to y first, we get:

∫∫∫ 16y dV = ∫0^2 ∫\(0^(2-x^2z)/(2x)\)∫\(0^(2/x^2y) 16y dz dy dx\)

= ∫\(0^2\) ∫\(0^(2-x^2z)/(2x) 32/x dx dz\)

= ∫\(0^2\) [16(\(2-x^2z)/x^2\)] dz

= ∫\(0^2 (32/x^2 - 16z)\) dz

= 32∫\(0^2 x^-2 dx - 16\)∫\(0^2\)z dz

= 16 - 16(2)

= -16

Therefore, the value of the triple integral is -16.

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Please help me for 20 points

Please help me for 20 points

Answers

Answer:

Step-by-step explanation:

30/7

74/9

47/7

Can anyone help me with this?

Can anyone help me with this?

Answers

Answer:

a=30°; b=40°;c=40°; d=40°; e=110°: f=110°; g=30°; h=140°; i=70°; j=70°

the diagonal of a particular square is 5 inches. the diameter of a particular circle is also 5 inches. by how many square inches is the area of the circle greater than the area of the square? express your answer as a decimal to the nearest tenth.

Answers

7.13 square inches is the area of the circle greater than the area of the square

area of a circle is pir^2 = pi*2.5^2

side of the square by Pythagoras

In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem. These triangle's three sides are known as the Perpendicular, Base, and Hypotenuse. Due to its position opposite the 90° angle, the hypotenuse in this case is the longest side.

5^2 = 2x^2

x^2 = 12.5 = area of the square

area of circle = pi * 6.25 = 19.63

difference in areas = 19.63 - 12.5 = 7.13 sq ins

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ANSWER ASAP!!!!! Evaluate ƒ(x) = |3x – 2| for ƒ(–5) and ƒ(7). Question 7 options: A) ƒ(–5) = 8, ƒ(7) = 7 B) ƒ(–5) = 12, ƒ(7) = –2 C) ƒ(–5) = –17, ƒ(7) = 9 D) ƒ(–5) = 17, ƒ(7) = 19

Answers

Answers:

f(-5) = 17f(7) = 19

====================================

Work Shown:

Plug in x = -5. Use PEMDAS to simplify

f(x) = |3x-2|

f(-5) = |3(-5)-2| ... replace every x with -5

f(-5) = |-15-2|

f(-5) = |-17|

f(-5) = 17

---------------------

Repeat for x = 7

f(x) = |3x-2|

f(7) = |3*7-2| ... replace every x with 7

f(7) = |21-2|

f(7) = |19|

f(7) = 19

Find the exact value of sec(theta) if cot(theta)= -1/2 and the terminal side of theta lies in quadrant ii.

a. sec(theta)= -sqrt(5)/2
b. sec(theta)= sqrt(t)/2
c. sec(theta)= -sqrt(5)
d. sec(theta)= sqrt(5)

Answers

Using trigonometric identities, it is found that the exact value of the secant of the angle is given by:

c. \(\sec{\theta} = - \sqrt{5}\)

How is the tangent related to the secant?

According to the following identity:

\(\sec^2{\theta} = 1 + \tan^2{\theta}\)

The tangent is the inverse of the cotangent, hence in this problem, we have that:

\(\tan{\theta} = -2\)

Then, the secant is given as follows:

\(\sec^2{\theta} = 1 + (-2)^2\)

\(\sec^2{\theta} = 5\)

\(\sec{\theta} = \pm \sqrt{5}\)

The angle is in the second quadrant, where the cosine is negative, hence the secant also is and option c is correct, that is:

c. \(\sec{\theta} = - \sqrt{5}\)

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The cost of a school banquet is $90 for the room rental and $14 per person attending. Write an expression to model the total cost of the banquet for p people. What is the cost for 70 people?

Answers

Answer:

Total Cost (p) = 90 + 14p

For 70 people = $1070

Step-by-step explanation:

Let p stand for the number of people attending the banquet

Fixed cost = $90

Variable cost = $14p

Total Cost (p) = 90 + 14p

=================

Cost for 70 people (p=70)

Total Cost = $90 + $14(70)

Total = $1070

The difference between a number and three fourths of itself is 15. Find the number. ​

Answers

Answer:

60

Step-by-step explanation:

lets say the number is X so:

X-3/4X=15

then multiple both sides by 4 then you will get

4X-3X=60

SO:X=60

Answer:

60

Step-by-step explanation:

let x be the number that we are trying to figure out.

the statement “The difference between a number and three fourths of itself is 15”  means  x + (3/4)x = 15

then

(1/4)x = 15

Then

x = 4 × 15

Then

x = 60

Factor completely 50a2b5 − 35a4b3 + 5a3b4

Answers

The complete factorisation of 50a²b⁵ − 35a⁴b³ + 5a³b⁴ is 5a²b³(10b² - 7a² + ab)

How to factorise?

Factorisation is the process of writing an expression as a product of two or more common factors.

The expression is written as a product of several factor.

Therefore,

50a²b⁵ − 35a⁴b³ + 5a³b⁴

Hence, the complete factorisation is as follows;

5a²b³(10b² - 7a² + ab)

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The propositional variables s and m represent the two propositions:
s: It is sunny today.
m: I will bring my umbrella. Select the logical expression that represents the statement: "Despite the fact that it is sunny today, I will bring my umbrella."
(A) s
(B) s∧m
(C) s∨m

Answers

The logical expression that represents the statement "Despite the fact that it is sunny today, I will bring my umbrella" is (B) s∧m.

The logical expression that represents the statement "Despite the fact that it is sunny today, I will bring my umbrella" is (B) s∧m. This is because the conjunction "and" (∧) is used to connect two statements that must both be true in order for the overall statement to be true. In this case, both s (It is sunny today) and m (I will bring my umbrella) must be true in order for the statement to be true.

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(B) s∧m, which represents the logical expression for "Despite the fact that it is sunny today, I will bring my umbrella."


The logical operator ∧ (conjunction) connects two propositions and represents the idea of "and." Therefore, s∧m means "It is sunny today and I will bring my umbrella." This is the logical expression that represents the statement given in the question.


To summarize, the correct answer is (B) s∧m, which represents the logical expression for "Despite the fact that it is sunny today, I will bring my umbrella."
Main Answer: The correct logical expression is (B) s∧m.

In the given statement, "Despite the fact that it is sunny today, I will bring my umbrella," both propositions s (It is sunny today) and m (I will bring my umbrella) are true at the same time. The logical expression that represents this is s∧m, which means "s AND m" are both true.

The statement "Despite the fact that it is sunny today, I will bring my umbrella" is best represented by the logical expression (B) s∧m, as it shows that both s and m are true.

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Expand and multiply 4
3.

Answers

Answer/Step-by-step explanation:

43 = (4 * 101) + (3 * 100)

43 = (4 * 10) + (3 * 1)

43 = 40 + 3

Gven that the expression p dollars for every q items describes a unit price. which statement must be true? ​

Gven that the expression p dollars for every q items describes a unit price. which statement must be

Answers

Answer:

p=q

Step-by-step explanation:

the second statement must be true.

line K bisects HJ if H = (-1,5) and J = (2,-3) find the midpoint

Answers

Answer:

I(1/2;1)

Step-by-step explanation:

if the midpoint is I(x;y)

=> \(\left \{ {{y=\frac{5-3}{2}=1 } \atop {x=\frac{-1+2}{2}=\frac{1}{2} }} \right.\)

=> I(1/2;1)

Please answer correctly !!!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!

Please answer correctly !!!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!

Answers

The first one is C

The second one is YES

To get equation b from a, you have to divide by three, which is the non zero constant.

Both equations do give the same answer because if you divide first one(a) by 3, you will end up with the second(b).

Hope this helps

What is the midpoint of (5,5) and (-3,-5)t

Answers

Answer: (1,0)

Step-by-step explanation:

The graph below shows the average daily temperatures on January 1 from 1900 to 1934 for city A.

A graph shows the average daily temperature on the x-axis, and number of years on the y-axis, from 1 to 4. The average temperature was 18 for 2 years; 19 for 3 years; 20 for 2 years; 21 for 3 years; 22 for 2 years; 23 for 4 years; 24 for 3 years; 25 for 3 years; 26 for 5 years; 27 for 2 years; 28 for 1 year; 29 for 2 years; 30 for 2 years; 31 for 1 year.

The mean of the temperatures in the chart is 24° with standard deviation of 4°. How many years had temperatures within one standard deviation of the mean?

Answers

On the graph of average daily temperatures, the temperature that is within one standard deviation of the mean is 22 degrees Celsius. The difference between the highest value and the data set's mean, divided by two, is the standard deviation.

What are the data's mean and standard deviation?The average value of the provided data is known as the data's mean. The difference between the highest value and the data set's mean, divided by two, is the standard deviation. The graph below in the accompanying image displays the typical daily temperatures for city A on January 1 from 1900 to 1934.On a graph, the x-axis represents the average daily temperature, and the y-axis lists the years from 1 to 4.When the mean is and the standard deviation is, the interval that is within standard deviations of the mean can be as given,The temperatures in the graph have a mean of 24° and a standard deviation of 4°. If you enter these values, the temperatures in the available options—which fall within the range above—will be correct.The temperature on the graph of average daily temperatures that is within one standard deviation of the mean is 22 degrees Celsius.    

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Answer: 22 degrees

Step-by-step explanation:

i think

I'm unsure how to solve this, if you can please respond asap. Thanks!

I'm unsure how to solve this, if you can please respond asap. Thanks!

Answers

Answer:

82.5°

Step-by-step explanation:

This is the case of a isosceles triangle , as you may know in a isosceles triangle , there are two sides of equal length as well as two equal angles.

You know that the sum of angles in a triangle is 180°, therefore it comes to this equation :

15° + 2x = 180°

2x = 165°

x = 82.5°

therefore 82.5° is the correct answer.

10. (6.83 x 10¹) - (9.1 x 10-¹)

Please hurry please show work on how you did it please I have to show my work for the problem please thank you

Answers

Answer:

22.7

Step-by-step explanation:

6.83 x 10¹ is 68.3, 9.1 x 10¹ is 91, 68.3 - 91 is 22.7

Answer:

6739/100

Step-by-step explanation:

heres how i got that answer

first step

any expression raised to the power of 1 equals its self. remove unnecessary parentheses

(6.83 x 10) - 9.1 x 10^-1

second step

6.83 x 10 = 68.3 then make the other decimal into a fraction so 91 over 10 or 91/10 any expression raised to the power of - 1 equals its reciprocal so now you have

68.3 - 91/10 x 1/10

third step

convert the decimal into a fraction 683/10

then multiple 91/10 and 1/10 to get 91/100

so now you should have 683/10 - 91/100

last step

subtract the fractions giving you

6739 over 100

Find the sum of the first 7 terms of the following geometric sequence:

3 , 1 , 1/3 , 1/9 , 1/27 , …

Hint: S = a(1-r^n)/ 1-r

Find the sum of the first 7 terms of the following geometric sequence:3 , 1 , 1/3 , 1/9 , 1/27 , Hint:

Answers

Answer:

4.50

Step-by-step explanation:

The explanation is attached below.

Find the sum of the first 7 terms of the following geometric sequence:3 , 1 , 1/3 , 1/9 , 1/27 , Hint:

11/44 as a equivalent fraction

Answers

Answer:

1/4

Step-by-step explanation:

11/44 = 1/4

Divide the numerator and the denominator by 11

11 ÷ 11 / 44 ÷ 11

1/4

Hope this helped!

Have a supercalifragilisticexpialidocious day!

Answer:

1/4

Step-by-step explanation:

11/11= 1, 44/11= 4

which sampling method is being described
A store manger randomly choose a shopper entering her store to interview she then interview every 20th person after that contomer
to do the survey​

Answers

Systematic sampling offers several advantages. It is relatively easy to implement and eliminates bias that may arise from the subjective selection of participants.

The sampling method described in the scenario is called systematic sampling.

Systematic sampling involves selecting every nth element from a population after randomly selecting a starting point. In this case, the store manager randomly chooses a shopper entering the store as the starting point and then proceeds to interview every 20th person after that initial selection.

Systematic sampling offers several advantages. It is relatively easy to implement and eliminates bias that may arise from the subjective selection of participants. By ensuring a regular interval between selections, systematic sampling provides a representative sample from the population.

However, it's important to note that systematic sampling can introduce a form of bias if there is any periodicity or pattern in the population. For example, if the store experiences a peak in customer traffic during specific time periods, the systematic sampling method might overrepresent or underrepresent certain groups of shoppers.

To minimize this potential bias, the store manager could randomly select the starting point for the systematic sampling at different times of the day or on different days of the week. This would help ensure a more representative sample and reduce the impact of any inherent patterns or periodicities in customer behavior.

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Re-write the quadratic function below in standard form.
y= -9(x-1)²-6

Answers

To rewrite the quadratic function y = -9(x-1)²-6 in standard form, we need to expand the squared term and simplify the expression. Here are the steps:

Distribute the negative sign to the squared term: y = -9(x² - 2x + 1) - 6

Multiply -9 by each term inside the parentheses: y = -9x² + 18x - 9 - 6

Combine the constants: y = -9x² + 18x - 15

Therefore, the standard form of the quadratic function y = -9(x-1)²-6 is y = -9x² + 18x - 15.

Answer:

y = -9x\(x^{2}\)  + 18x - 15

Step-by-step explanation:

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