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3 years ago

HELP!!!!!!!!!! IM PANICKING I NEED HELP IM SO STRESSED OUT RN I NEED HELP

Mathematics

1 answer:

Kisachek [45]3 years ago

8 0

For the first question, C = 125.664
However that doesn’t match any of the options and that confuses me. C= pie*D
For the second question, A= 0.028

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What is the best estimate for the product of 287 and 7

bazaltina [42]

Well, product is the answer to a multiplication problem. So, first you multiply 287 × 7, which equals 2,009. The estimate would be 2,000.

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3 years ago

If two points on line l above have coordinates (0, A) and (2, −3), and the slope of the line is A, then what is the value of A?

Anna35 [415]

ANSWER:

If two points on line l above have coordinates (0, A) and (2, −3), then the value of A is -1

SOLUTION:

Given, two points on line l have coordinates (0, A) and (2, −3),

And the slope of the line is A,

We need to find a value.

We know that, slope of a line on which (x1, y1) and (x2, y2) are two points is given by

$\mathrm{m}=\frac{y_{2}-y_{1}}{\mathrm{x}_{2}-\mathrm{x}_{1}}$

Here,in our problem,

$\mathrm{m}=\mathrm{A}, \mathrm{x}_{2}=2, \mathrm{x}_{1}=0, \mathrm{y}_{2}=-3 \text { and } \mathrm{y}_{1}=\mathrm{A}$

now, substitute the values in formula we get

$\begin{array}{l}{A=\frac{-3-A}{2-0}} \\\\ {A=\frac{-3-A}{2}}\end{array}$

2A = -3 –A

2A+ A = -3

3A = -3

A = -1

Hence, the value of A is -1.

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3 years ago

You be the teacher. a student graphs the equation y = 4 is the student correct explain your reason

Kisachek [45]

Answer:

Step-by-step explanation:

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3 years ago

X-4y=-4 5x – 4y= 12

vekshin1

Answer: {x,y} = {4,2}

[1] x - 4y = -4

[2] 5x - 4y = 12// Solve equation [1] for the variable x

[1] x = 4y - 4

// Plug this in for variable x in equation [2]

[2] 5•(4y-4) - 4y = 12

[2] 16y = 32

// Solve equation [2] for the variable y

[2] 16y = 32

[2] y = 2

// By now we know this much :

x = 4y-4

y = 2

// Use the y value to solve for x

x = 4(2)-4 = 4

Step-by-step explanation:

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3 years ago

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Enter the solution to the equation in the box. 3(x−7)=6(x−10)

lutik1710 [3]

3x-21=6x-60
3x+39=6x
39=3x
x=13

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3 years ago

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