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3 years ago

PLEASE HELP 20 POINTS! The table shows values for functions f(x) and g(x) .(Table in picture)

Mathematics

1 answer:

torisob [31]3 years ago

6 0

Look at the table to see when both f(x) and G(x) have the same number and see which X value they are.

At x-1, they are both 1 and at X = 1 they are both -7.

The answers would be -1 and 1.

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What is the square root of 420

xeze [42]

The square root of 430 is about 20.493

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4 years ago

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which ordered pair is a solution to the system?. {x+4y=19. {y=-2x-4. . a) (-5, 6). b) (-2, 0). c) (3, 4). d) (7,3)

jarptica [38.1K]

Apply substitution

x+4(-2x-4)=19

x – 8x – 16 = 19

-7x = 19 + 16

-7x = 35

x = -5

Then substitute this value to the other equation

y=-2x-4

y = -2(-5) – 4

y = 10 – 4

y = 6

the answer is then letter A. (-5,6)

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4 years ago

Polynomial Equation: Write a polynomial that describes the area of the shaded figure. Show the steps mathematically and explain

evablogger [386]

The area for grey rectangle = (14y-5)6y
The area for white rectangle = 3y(3y+5)
S= The area for shaded rectangle = 6y(14y-5)-3y(3y+5)

S= 84 $y^{2}$ -30y-9 $y^{2}$ -15y
S=75 $y^{2}$ -45y (divide by 15)
S=5 $y^{2}$ -3y

7 0

3 years ago

Bradley wrote the beginning of an equation, 3··8x 1 12 5 u. Part A Finish the equation so that the equation will have no solutio

melisa1 [442]

<u>Question:</u>

Bradley wrote the beginning of an equation, $\frac{3}{8}x + 12 =$

Finish the equation so that the equation will have no solution. Explain how you know.

Answer:

$\frac{3}{8}x + 12 =\frac{3}{8}x -4$

Step-by-step explanation:

Given

$\frac{3}{8}x + 12 =$

Required

Complete the equation to have no solution

The given equation is a linear equation in form of $mx + b$

Where $m = \frac{3}{8}$

Compare both equations

$\frac{3}{8}x + 12 = mx + b$

Substitute $\frac{3}{8}$ for m

$\frac{3}{8}x + 12 = \frac{3}{8}x + b$

Collect Like Terms

$b = \frac{3}{8}x - \frac{3}{8}x + 12$

$b = 12$

This implies that, for the equation to have a solution the value of b must be 12.

However, for the equation not to have a solution, the value of b must not equal 12

i.e.

$b \ne 12$

This implies that, we can assume any value, other than 12 for b so that the equation will not have a solution.

Say for instance: b = -4

$\frac{3}{8}x + 12 = mx + b$

Substitute -4 for b and 3/8x for m. This gives:

$\frac{3}{8}x + 12 =\frac{3}{8}x -4$

5 0

3 years ago

The ratio of the number of boys to the number of girls at school is 4:5. If there are 120 boys, how many total students are ther

pickupchik [31]

Answer:

150

Step-by-step explanation:

So first you divide 120 by 4 so you know how much times 4 was increased, 4 was increased by 30 times

Next you multiply 5 by 30 because 4 was multiplied by that much

The answer is 150 girls

7 0

3 years ago