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3 years ago

Write the equation of the line with an undefined slope, passing through the point (2, 5).

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

8 0

An undefined slope: x = a

(2; 5) ⇒ x = 2 and y = 5

therefore an answer: x = 2.

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Which of the following expressions are equivalent to

Leokris [45]

your question: 

Which of the following expressions are equivalent to - -8/-4

Choose all answers that apply:

- -8/4

None of the above

answer: 

C. None of the Above ~ the answer is -2

7 0

2 years ago

(-15x – 3) + (7x - 6) + (-2x +9)

Shtirlitz [24]

(-15x-3)+(7x-6)+(-2x+9)=-15x-3+7x-6+(-2x)+9=-15x-3+7x-6-2x+9=-10x

3 0

2 years ago

Mia climbs 5/8 of the height of the rock wall. Lee climbs 4/5 of Mia's distance. What fraction of the wall does Lee climb?

Lina20 [59]

The answer is 7/40. To solve, you have to find the LCM (least common denominator) for 5/8 and 4/5. 5/8= 25/40 and 4/5= 32/40. Subtract and you get 7/40. That is your answer.

4 0

2 years ago

Solve the equation (linear equation) <img src="https://tex.z-dn.net/?f=8%5E%7B2x%2B7%7D%20%3D%20%28%5Cfrac%7B1%7D%7B32%7

Minchanka [31]

Answer: $x=-1$

Step-by-step explanation:

By the negative exponent rule, you have that:

$(\frac{1}{a})^n=a^{-n}$

By the exponents properties, you know that:

$(m^n)^l=m^{(nl)}$

Therefore, you can rewrite the left side of the equation has following:

$(\frac{1}{8})^{-(2x+7)}=(\frac{1}{32})^{3x}$

Descompose 32 and 8 into its prime factors:

$32=2*2*2*2*2=2^5\\8=2*2*2=2^3$

Rewrite:

$(\frac{1}{2^3})^{-(2x+7)}=(\frac{1}{2^5})^{3x}$

Then:

$(\frac{1}{2})^{-3(2x+7)}=(\frac{1}{2})^{5(3x)}$

As the base are equal, then:

$-3(2x+7)=5(3x)$

Solve for x:

$-6x-21=15x\\-21=15x+6x\\-21=21x\\x=-1$

8 0

2 years ago

Help please y'all .......

Natasha2012 [34]

I think the answer is Q = -3

3 0

2 years ago