3 years ago

How do I solve these questions? 5(1+9v) 20b+12 -9/4r=-9/2

Mathematics

1 answer:

MatroZZZ [7]3 years ago

7 0

5(1+9v) = 5+ 45v
20b+12= 4(5b+3)
And the last one is r=2
Hope this helps!

You might be interested in

Evaluate the expression for the given value of variable(s)

Olenka [21]

You would:
(4 * 2 - 4) + (3 - 2^2) + (2 * 2^3)
(8 - 4) + (3 - 4) + (16)
4 + -1 + 16 = 19

8 0

3 years ago

Please help asap 25 pts

beks73 [17]

$y=ax^2+bx+c\\\\\text{Axis of symmetry:}\ x=\dfrac{-b}{2a}$

$\text{We have:}\\\\y=4x^2+16x-18\\\\a=4;\ b=16;\ c=-18\\\\x=\dfrac{-16}{2\cdot4}=\dfrac{-16}{8}=-2$

Answer: A.

6 0

3 years ago

6r + 7 = 13 + 7r what is r

kumpel [21]

Answer:

6r+7=13+7r

6r+7=7r+13

6r+7−7r=7r+13−7r

−r+7=13

−r+7−7=13−7

−r=6

$\frac{-r}{-1}$ = $\frac{6}{-1}$

r=−6

Step-by-step explanation:

:) This is the answer

6 0

3 years ago

Read 2 more answers

Help due tonight!!

nata0808 [166]

Answer: 120 cm

Step-by-step explanation:

V = a^2 h/3

8 0

2 years ago

Find 2.2℅ of 18 2/11?

UNO [17]

The answer to ur question is 0.396
2.2% * 18 = 0.396

7 0

3 years ago

Read 2 more answers