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2 years ago

Look at screenshot 11 points and brainleist!

Mathematics

1 answer:

postnew [5]2 years ago

7 0

Answer:

A. False

B. False

C. True

D. True

Step-by-step explanation:

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Al and Trixie are trying to find the slope-intercept equation of the line passing through the point (2, 5) with slope -2.

Fed [463]

Yes.

They both will end with the equation
.. y = -2x +9

4 0

3 years ago

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write the equation for the following statement. reid is 3 years old. his sister is 4 times older. how old is reid sister.?

sveticcg [70]

R = 3
s = 4r

s = 4 * 3 = 12 <==

3 0

3 years ago

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4x/3+3=x-2 value of x ?

Gekata [30.6K]

Answer:

x = - 15

Step-by-step explanation:

Given

$\frac{4x}{3}$ + 3 = x - 2

Multiply through by 3 to clear the fraction

4x + 9 = 3x - 6 ( subtract 3x from both sides )

x + 9 = - 6 ( subtract 9 from both sides )

x = - 15

6 0

3 years ago

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Find the vertex of f(x) = 3(x-7)(x+5)

Inessa05 [86]

Answer:

The vertex is at (1, -108).

Step-by-step explanation:

We have the function:

$f(x)=3(x-7)(x+5)$

And we want to find its vertex point.

Note that this is in factored form. Hence, our roots/zeros are x = 7 and x = -5.

Since a parabola is symmetric along its vertex, the x-coordinate of the vertex is halfway between the two zeros. Hence:

$\displaystyle x=\frac{7+(-5)}{2}=\frac{2}{2}=1$

To find the y-coordinate, substitute this back into the function. Hence:

$f(1)=3((1)-7)((1)+5)=3(-6)(6)=-108$

Therefore, our vertex is at (1, -108).

4 0

3 years ago

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the 22 students bought a Valentine's presents they purchased 2 dozen for 22.95$ per and a box of chocolates for 13.45$ they spli

irina [24]

Answer:

I think the answer is b

Step-by-step explanation:

I think its b because, $22.95 plus $13.45 equals $36.40. And divide that by 22, and get $1.60 rounded is $2.00. I hope this can help.

3 0

3 years ago