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3 years ago

I don't get this. I could really use help.

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

6 0

The y intercept is what the y value is when x is 0.

Set X to 0 and solve:

-2/9(0) + 1/3

0 + 1/3 = 1/3

The y-intercept is 1/3

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Which algebraic expression is equivalent to the expression below?

Anna007 [38]

Answer:

$\boxed {52x - 45}$ (Choice B)

Step-by-step explanation:

Solve the following expression:

$9(5x - 5) + 7x$

-Use <u>Distributive Property</u>:

$9(5x - 5) + 7x$

$45x - 45 + 7x$

-Combine like terms:

$45x - 45 + 7x$

$\boxed {52x - 45}$

6 0

4 years ago

Tangent this equation: <img src="https://tex.z-dn.net/?f=63%28b-1%29%2B7%3D7%289b-8%29" id="TexFormula1" title="63(b-1)+7=7(9b-8

timurjin [86]

Answer: True for all <em>b</em>.

Step-by-step explanation: To tangent a equation, find if the variable is true.

1. Add 56 to both sides.

63b - 56 + 56 = 63b - 56 + 56 = 7

2. Simplify.

63b = 63b

3. Simplify again for your answer.

0 = 0

Hence, both sides are equal.

Let me know if you have any questions.

~ Lily, from Brainly.

7 0

3 years ago

What is the midpoint of (2,5) and (-4,10)

Aleonysh [2.5K]

Answer:

$=\left(-1,\:\frac{15}{2}\right)$

Step-by-step explanation:

$\mathrm{Midpoint\:of\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\quad \left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)\\\left(x_1,\:y_1\right)=\left(2,\:5\right),\:\left(x_2,\:y_2\right)=\left(-4,\:10\right)\\=\left(\frac{-4+2}{2},\:\frac{10+5}{2}\right)$

$Lily$

8 0

3 years ago

Read 2 more answers

Solve for t in scientific formula d=rt

yarga [219]

The problem is: d=rt
you are solving for r

d=rt
-- --
t t

you divide both sides by r, so your answer is:

d/t=r or r=d/t

I hope this helped! :))

3 0

3 years ago

Geometry/// find the surface area of the square pyramid if the height of each triangular face is 20 m and the length of each sid

STALIN [3.7K]

Answer:

1202.38

Step-by-step explanation:

i looked how how do it and a calculator popped up so i put the numbers in that's what i got

5 0

3 years ago

I don't get this. I could really use help.​

I don't get this. I could really use help.