How do I solve this?

How Do I Solve This?

Answers

Answer 1

Answer: A

One solution    x = 60/23   y=12/23  z= -72/23

How?    in the photos attached

Step-by-step explanation:

Take the first equation and rewrite

5x +y = 1  becomes  y = 1 -5x

Substitute for y in the second equation  

Solve for x

The rest of the steps are more of the same: substitute and solve as scownin the photos

They overlap a bit to be sure it's all there

How Do I Solve This?
How Do I Solve This?

Related Questions

write the equation of a line in y = mx + b form that passes through the given pair of points (4,4), (0,3)

Answers

Answer:

y = 1/4x + 3

Step-by-step explanation:

lmk if you want an explanation

A basketball court is 94 feet by 50 feet. Eight fans ca
fit next to each other in a 3 ft. by 3 ft. area. How
many kids would you estimate can fit side by side
over the entire floor?

Answers

Answer:

The entire floor can contain approximately 4178 fans

Step-by-step explanation:

The first step is to calculate the area of the basketball floor.

we can do this by multiplying the length by the breadth as such 94 X 50 = 4700 square feet.

The second step is to calculate the area occupied by 8 of the fans. We can do this by multiplying 3 ft by 3ft = 9 square feet.

From this, it will be easier to estimate the area occupied by only one fan. This can be got by dividing 9 square feet by 8.  

This is = 1.125 square feet.

To get the number of students it can occupy, we divide the total area of the court by the area occupied by one student.

4700/ 1.125 =4177.8 \(\approx\) 4178 fans

what is the value of -2/3x0.6÷ 6/5

Answers

Answer:

-0.33333333333 in other word it o.3 with line over 3

Step-by-step explanation:

X-(-10)=2 what is X?

Answers

X=-8. Is the answer yea

Find the value of x if 27:x = 36:48​

Answers

Answer:

x = 36

Step-by-step explanation:

27 : x = 36 : 48

27 * 48 = 36 * x

1296 = 36x

x = 36

Answer:The value of x=36
Find the value of x if 27:x = 36:48

5. Mrs. Hilt's yard is 48 feet long and 39 feet wide. What's the area of Mrs. Hilt's back yard?

Answers

area = lw (length times width) so if we multiply 48 and 39 it'd be equal to

1872

Simplify the expression 5x2+6x+4+x2+x
.

Thank You!

Simplify the expression 5x2+6x+4+x2+x .Thank You!

Answers

The simplified solution of the expression 5x²+6x+4+x²+x is 6x²+7x+4.

The given expression is 5x²+6x+4+x²+x

Simplifying the given expression

5x²+6x+4+x²+x

Firstly, put the similar terms together

5x²+x²+6x+x+4

Adding the similar terms

6x²+7x+4

∵ The expression cannot be solved further, 6x²+7x+4 is the final solution.

Therefore, the simplified solution of the expression 5x²+6x+4+x²+x is 6x²+7x+4.

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In a bag full of candy, for every 8 pieces, 5 of them are gum. There are 20 pieces of gum. We want to find the total number of pieces of candy, c.

Answers

Answer:

32

Step-by-step explanation:

Since there are 20 total pieces of gum, we divide 20 by 5 to figure out how many groups of 8 pieces of candy there are (For every 8, 5 are gum). This gives us 4 groups of 8. Because for every 8 pieces, 5 are gum, we subtract 5 from 8 and get three. Multiply 3 by 4 (the number of groups), and we get 12 other pieces of candy. Add to 20, and we get 32. To check, divide 32 by the number of groups (4) and we get 8, which is how many pieces of candy are in each group.

what is x in 9x + 10 = 13

Answers

The equation given is,

\(9x+10=13\)

Solving for x

Subtract 10 from both sides

\(\begin{gathered} 9x+10-10=13-10 \\ 9x=3 \end{gathered}\)

Divide both sides by 9

\(\begin{gathered} \frac{9x}{9}=\frac{3}{9} \\ x=\frac{1}{3} \end{gathered}\)

Hence,

\(x=\frac{1}{3}\)

the answer is x=1/3 to the problem

8. Consider the D.E. yy'= -x +
1/2
a. Find the implicit general solution of this
equation. What is the condition that c
should satisfied? (c is the constant that
appears in the solution).
b. (T) is the family of curves of the
general solution in an orthonormal
system. What is the nature of this graph?
(such curves are called integral curves of
the D.E.)
c. Find the graph (T) that passes through
the origin O(0, 0).

8. Consider the D.E. yy'= -x +1/2a. Find the implicit general solution of thisequation. What is the condition

Answers

The implicit general solution is 0.5y² = -0.5x² + 0.5x + C, here C should pass through the origin of the circle. The family of curves (T)  represents the integral curve. The graph (T) is represented below.

a. To find the implicit general solution of the given differential equation, we can integrate both sides with respect to x. Let's start by rewriting the equation:

yy' = -x + 1/2

Integrating both sides:

∫ yy' dx = ∫ (-x + 1/2) dx

Using integration by parts on the left side, let u = y and dv = y' dx:

\(\int u dv = uv - \int v du\\\\y\int dy = \int (-x + 1/2) dx\\\\1/2 y^2 = -1/2 x^2 + 1/2 x + C\\\\0.5y^2 = -0.5x^2+0.5x+C\)

Where C is the constant of integration. This is the implicit general solution of the given differential equation.

b. The family of curves (T) that represents the general solution in an orthonormal system is known as the integral curves of the differential equation.

c. To find the graph (T) that passes through the origin O(0, 0), we substitute the point (x, y) = (0, 0) into the implicit general solution and solve for C:

\(1/2(0)^2 = -1/2(0)^2 + 1/2(0) + C\\\\0 = 0 + 0 + C\\\\\C = 0\)

So the graph (T) that passes through the origin is given by:

\(1/2 y^2 = -1/2 x^2 + 1/2 x\)

This equation represents the specific curve that satisfies both the differential equation and the condition of passing through the origin.

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8. Consider the D.E. yy'= -x +1/2a. Find the implicit general solution of thisequation. What is the condition

can someone help me on this. i dont understand it at ALL. please du~mb it down beacuase i am not smart at all.

can someone help me on this. i dont understand it at ALL. please du~mb it down beacuase i am not smart

Answers

Answer:

So basically you have to create a set of coordinates like (3,2) to create a linear function. Make sure to make a linear equation and represent it through a graph or table. Then take its coordinates.

An example is the table I attached. It is a linear function.

y = 4x is the linear equation.

(2,8) is the coordinate.

Hope I helped in time!

:)

can someone help me on this. i dont understand it at ALL. please du~mb it down beacuase i am not smart

Samuel can type nearly 40 words per minute. Use this information to find the number of hours it would take him to type 2.9 × 105 words.

Samuel can type 2.9 × 105 words in
hours and
minutes.

Answers

Answer:

Samuel can type 40 words per minute

Step-by-step explanation:.

Then how many hours will it take for him to type 2.6 words times 10 to the power of five words

=> 2.6 words time 10 to the power of 5

=> 2.6 x 10^5

=> 2.6 x 100 000

=> 260 000 words in all.

Now, we need to find the number of words Samuel can type in a hour

=> 40 words / minutes , in 1 hour there are 60 minutes

=> 40 x 60

=> 2 400 words /hour

Now, let’s divide the total of words he need to type to the number of words he can type in an hour

=> 260 000 / 2 400

=> 108.33 hours.

Question
Usain has 52 ten-dollar bills and 96 twenty-dollar bills. What is the ratio of twenty-dollar bills to ten-dollar bills?
Enter your answer as a simplified fraction without units.
Provide your answer below:
Previous

Answers

Answer:

24 : 13 or 24/13

Step-by-step explanation:

96/4 = 24

52/4 = 13

The ratio is a division of two quantities. The ratio of twenty-dollar bills to ten-dollar bills will be 24/13.

What are the ratio and proportion?

The ratio is the division of the two numbers.

For example, a/b, where a will be the numerator and b will be the denominator.

Proportion is the relation of a variable with another. It could be direct or inverse.

As per the given,

Usain has 52 ten-dollar bills and 96 twenty-dollar bills.

The ratio of twenty-dollar bills to ten-dollar bills will be as,

96/52 = [4(24)/4(13)]

⇒ 24/13

Hence "The ratio is a division of two quantities. The ratio of twenty-dollar bills to ten-dollar bills will be 24/13".

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6x + 7y = 13
x - 4y=-3
Substitution method.

6x + 7y = 13x - 4y=-3Substitution method.

Answers

Answer:

idk if this is right but if it is right can i have brainliest and if it is wrong then rate me a 1 and you can umm... report me if u want

Step-by-step explanation:

Let's solve for x.

6x+7y=13x

Step 1: Add -13x to both sides.

6x+7y+−13x=13x+−13x

−7x+7y=0

Step 2: Add -7y to both sides.

−7x+7y+−7y=0+−7y

−7x=−7y

Step 3: Divide both sides by -7.

−7x

−7

=

−7y

−7

x=y

A cookie jar contains 5 chocolate chips, 7 peanut butter, and sugar cookies. If a cookie is selected at random then eaten, what is the probability that Jane and Terry will each get a sugar cookie one after the other?

Answers

Answer: You would have 2/10 chance of choosing the sugar cookie then after you chosen it 5/9 chance of picking up a peanut butter cookie. I hope this helps

Step-by-step explanation:

PLS HELP ME
PLS SHOW YOUR WORKING OUT

PLS HELP MEPLS SHOW YOUR WORKING OUT

Answers

the formula for y in terms of x and c is y = c⁵ / √x. we can solve this by  inversely proportional rule .

what is inversely proportional ?

Two quantities are said to be inversely proportional if an increase in one quantity results in a decrease in the other quantity, and vice versa. In other words, as one quantity increases, the other quantity decreases at the same rate

In the given question,

We are given that 17y is inversely proportional to √(x), which can be written as:

17y ∝ 1/√x

Using proportionality constant k, we can write:

17y = k / √x

Now, we are also given that y = c⁴ when x = c². We can use this information to solve for k:

17y = k / √x

17c⁴ = k / √c²

17c⁴ = k / c

k = 17c⁵

Substituting the value of k in the original equation, we get:

17y = (17c⁵) / √x

Simplifying further, we can write:

y = c⁵ / √x

Therefore, the formula for y in terms of x and c is:

y = c⁵ / √x

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Which is true of the number 55,555?

A.Each digit has a value less than the value of the digit to its right and greater than the value of the digit to its left.
B.Each digit has a value 10 times the value of the digit to its right and 10 times the value of the digit to its left.
C.Each digit has a value 110 of the value of the digit to its right and 10 times the value of the digit to its left.
D.Each digit has a value 10 times the value of the digit to its right and 110 of the value of the digit to its left.

Answers

Answer:

  D.  Each digit has a value 10 times the value of the digit to its right and 1/10 of the value of the digit to its left

Step-by-step explanation:

Digits increase in value by a factor of 10 for each place you move to the left. Hence a digit to the right has 1/10 the value.

_____

Comment on place value

The multiplier for a base-10 (decimal) number system is 10 as you move one place to the left. In some other base, the multiplier is that base. In a binary (base-2) number system, each "bit" increases in value by a factor of 2 as you move to the left.

The number would be a math object used in counting, measurement, and labeling.The numbers are increased by 10 for every spot to the left.Therefore, \(\bold{\frac{1}{10}}\) is the value in a right digit.When you move one place to the left, there is a multiplier for a 10-base system (decimal number).The multiplier is this base in some other base. In each "bit" boosts a value by a factor of 2 in a binary (base-2) number system when one moves left.

Therefore, the "Choice D" is the only correct answer.

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Find 35% of a number is 70 find the number

Answers

Answer:

200.

Step-by-step explanation:

35% = 0.35 so

0.35x = 70

x = 70 / 0.35

= 200.

Answer:

200

Step-by-step explanation:

Let the number = x

35% of x = 70

35/100 * x = 70                      Multiply by 100

35x = 70 * 100

35x = 7000                           Divide by 35

x = 7000/35

x = 200

Solve. −3.5=−4.6x−5.1 Enter your answer as a fraction in simplest form in the box.

Answers

Answer:

x = 8/23

Step-by-step explanation:

Adding 3.5 to each side

-3.5 + 3.5 = -4.6x - 5.1 + 3.5-4.6x - 1.6 = 0

Adding 4.6x to each side

-4.6x - 1.6 + 4.6x = 0 + 4.6x4.6x = -1.6

Dividing each side by 4.6

4.6x/4.6 = -1.6/4.6x = 8/23

James has 2 kids, 1 son and 1 daughter. what is the number of James kids.

Answers

1 son + 1 daughter = 2 total kids. So the answer is 2

Brianna’s teacher asks her which of these three expressions are equivalent to each other.

Expression A: 9x - 3x - 4

Expression B: 12x - 4

Expression C: 5x + x - 4
Brianna says that all three expressions are equivalent because the value of each one is - 4 when x = 0.

Brianna’s thinking is incorrect.

Explain the error in Brianna’s thinking

Answers

Answer:

Expression A & Expression C are equivalent

Step-by-step explanation:

●In Expression A :-

9x - 3x - 4

=> 6x - 4 ( Substracting the like terms )

● In Expression C :-

5x + x - 4

=> 6x - 4 ( Adding like terms )

● In Expression B

12x - 4

Comparing all the expressions , we find both expression A & C have 5x - 4 as eqn. So they are equivalent.

Eqns are known as equivalent only when the final result will be equal after putting 'n' number of values in place of the variable. For example ,

expression A & C are equivalent. If we gonna take x = 1 , then the final result will be 6×1 - 4 = 2. Here we find that after putting x=1 in the expressions , the final result is equal in both the expressions & that is 2.

So the mistake of Brianna was her wrong assumption about equivalent expression.

Please Help due in 1 min

No Links Allowed

Please Help due in 1 minNo Links Allowed

Answers

She wrote 12 digits down

A diagonal of a parallelogram form 25° and 35° angles with the sides of the parallelogram. Find the angles of the parallelogram.

Answers

Answer: Let's call the angles of the parallelogram A and B.

From the given information, we know that the diagonal of the parallelogram forms 25° and 35° angles with the sides of the parallelogram.

Using the fact that the opposite angles of a parallelogram are equal, we can say that angles A and B are also 25° and 35°, respectively.

So the angles of the parallelogram are 25° and 35°.

Step-by-step explanation:

divide the number 520 into 2 parts in the ratio 5:8

Answers

Answer:

See below

Step-by-step explanation:

5 + 8 = 13  divisions      5/13  is one part the other is 8/13

5/13 * 520=200  

            the other  is    520-200= 320

Area of composite shapes, There is a pair of parallel sides in the following shape.
What is the area of the shape?

Area of composite shapes, There is a pair of parallel sides in the following shape.What is the area of

Answers

The following form has two parallel sides, and, in accordance with the provided assertion, its area is 21 cm².

What does mathematicians mean by area?

Area is the entire amount of space occupied by a flattened (2-D) surface or form of an item. The area of a planar figure is the space that its perimeter encloses. The quantity of unit rectangles that completely encircle a closed figure's surface is its area. Square units such as cm² and m² are used to measure area.

The ratio will also be 1/2 * (bases 1 + base 2) * length since it is a trapezium.

So, 1/2 * ( 9+5) * 3

   = 1/2 * 14 * 3

   =  1/2 * 42

   =  21 cm²

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Lines E, F, and G are parallel lines cut by transversal H as shown below. What is the value of
a+b+c+d?

Lines E, F, and G are parallel lines cut by transversal H as shown below. What is the value ofa+b+c+d?

Answers

Answer:

okay now i get it its not easy at first but look at it for a bit and yoll get it

a line has slope -3 and the y intercept is 7. what is the slope intercept form of the line?

Answers

Answer:

y = -3x + 7

Step-by-step explanation:

\(y = mx + b\)

m = slope

b = y intercept

eq:

\(y = - 3x + 7\)

Determine a series of transformations that would map Figure I onto Figure J.
A blank followed by a blank

Answers

The series of transformations that would map Figure M onto Figure N will be firstly rotated about the origin and then translated upward by 3 units.

What is a transformation of a shape?

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the structure and/or location of the object.

From before the refers to the object's initial condition, and Picture, after transformation, refers to the object's ultimate structure and location.

Rotation does not change the shape and size of the geometry. But changes the orientation of the geometry.

If the geometry is rotated, then there is no change in angles.

The translation does not change the shape and size of the geometry. But changes the location.

The series of transformations that would map Figure M onto Figure N will be firstly rotated about the origin and then translated upward by 3 units.

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Disclaimer

The question given by you is incomplete, so a similar question have been solved here and the image is attached.

Determine a series of transformations that would map Figure M onto Figure N.

Determine a series of transformations that would map Figure I onto Figure J.A blank followed by a blank
Determine a series of transformations that would map Figure I onto Figure J.A blank followed by a blank

hlpppp meee hshshdjdjdj​

hlpppp meee hshshdjdjdj

Answers

Answer:

its b

Step-by-step explanation:

Salim has a flock of 300 chickens, 15% of which are infected with a virus. He plans on taking an SRS of 7 chickens to test for the virus. Which of the following would find the probability that exactly 4 of the 7 chickens sampled have the virus? Choose 1 answer: (0) (0.15)*(0.85) © ()(0.15)*(0.85) (390) (0.1 (0.15)*(0.85) (0.15) (0.85) (0.15)*(0.85)

Answers

The probability of exactly 4 of the 7 hens contracting the disease is ⁷C₄(0.15)⁴(0.85)³.. The ideal response is (A).

How can the binomial distribution be used to calculate probability?

The binomial theorem, which can be expressed as (a + b)n = nC0anb0 + nC1an1b1 + nC2an2b2 +....+ nCna0bn, is the foundation of the binomial distribution.Events must be independent of one another and have probabilities that add up to 1 in order for the probability to be used.

Due to that,There is a 15% chance that the chicken will be affected it is spelled as as,

15% P(infected)

= 15/100

= 0.15

Consequently, the likelihood of avoiding diseased chicken is,

P(not contaminated) = 1 - 0.15= 0.85

Seven chickens in all will be used for the test.

Now, the binomial distribution may be used to determine the likelihood of having exactly 4 sick chickens.

nCxpxqnx is a general expression for the binomial distribution.

n = 7 and x = 4 for the case where p = P(infected) and q = P(not infected) are given

Consequently, the likelihood is given as,

P = 7C4(0.15)4(0.85)3 (Exact 4 are infected).

Therefore, the likelihood that the virus infects precisely 4 out of the 7 chickens sampled is ⁷C₄(0.15)⁴(0.85)³.

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