Ask question

Ask question

All categories

4 years ago

13

1. 2x = 2 - 9 21y = 4 - 6x

1 answer:

mina [271]4 years ago

3 0

2x=2-9

21y=4-6x

2x=-7

6x=4-21y

x=-7/2

6(-7/2)=4-21y

-21=4-21y

-21-4=-21y

-25=-21y

y=-25/-21

:.y=1 4/21.

You might be interested in

Please help I don’t understand how to do these

steposvetlana [31]

Answer:

I think there would be 86 blue marbles

x=4(106 - x ) + 6

x= 424 - 4x + 6

5x= 430

x= 86 blue marbles

Tell me if I'm wrong, hope this helps.

3 0

3 years ago

Which is a polar form of the following parametric equations ?

Vsevolod [243]

Answer:

r=4sin(theta)

Step-by-step explanation:

x=4sin^2(theta) y=4sin(theta)cos(theta

theta=arcsin((sqrtx)/2)

y=4sin(arcsin(sqrtx/2))cos(arcsin(sqrtx/2))

graph each to see they line up

5 0

3 years ago

Change this number in exponential form into a multiplication expression in standard form. Enter your answer in the box.

dezoksy [38]

$17^3=\underbrace{17\cdot17\cdot17}_{3}$

8 0

3 years ago

Read 2 more answers

Please can you answer both questions<br>Will mark brainiest

Finger [1]

Answer:

130

Step-by-step explanation:

Because I solved it and I got that as an answer

hope this helps you :DDD

3 0

3 years ago

How do you find the square of a number without multiplication?

xz_007 [3.2K]

you need to multiply but the answer is 512

4 0

3 years ago

Read 2 more answers