2 years ago

What does 4 (2x +5) equal to?!!

Mathematics

1 answer:

____ [38]2 years ago

8 0

8x+20 by multiplying 4 to 2x and 5 :)) hope this help!!!

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Ellie has $53.39 automatically deducted from her bank account each month for her gym membership. What is the overall change in h

Ber [7]

Answer:

$320.34

Step-by-step explanation:

$53.39x6=$320.34.

Could I please have BRAINLIEST.

6 0

3 years ago

If x- 2 is a factor of x^2 -bx+ b, where b is a constant, what is the value of b

KATRIN_1 [288]

$\bf x^2-\underline{b} x+b\implies \stackrel{given}{(x-2)}~(x-y)\impliedby \textit{now let's do some FOIL}\\\\
-------------------------------\\\\
\begin{cases}
-yx-2x=-\underline{b}x\implies y+2=\underline{b}\\
(-2)(-y)=b\implies 2y=b
\end{cases}
\\\\\\
\underline{b}=b\implies y+2=2y\implies 2=y$

what is b? from the first equation in the system, y + 2 = b.

4 0

3 years ago

Identify the like terms and terms 1.4c + 11.4 - 2c - 7.3c =

Pavel [41]

Like terms:
1.4c, -2c, -7.3c
11.4 has no like terms

3 0

3 years ago

Can someone just explain to me how to do this please

Dmitrij [34]

Answer: -7.5

Step-by-step explanation:

area = 1/2bh.

area = 1/2(x+6)(5)

area = x/2 + 15

area = x/2 = -15

area = x = -7.5

area = -7.5

5 0

2 years ago

12 = ____% of 160? Thank you!

beks73 [17]

7.5% of 160.

12 / 160 = 0.075

Move decimal 2 places to the left to convert it to a percent, or multiple by 100.

0.075 * 100 = 7.5

7.5% is your answer.

3 0

2 years ago

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