3 years ago

One-Step Equations:

Mathematics

2 answers:

Charra [1.4K]3 years ago

6 0

1. x= 18.4
2.x=12.3
3.x=6.4
4.z=5.8
5.x=-1/2
6.x=7/18
7.x=-9
8.z=18
9.x=7

erastova [34]3 years ago

3 0

9. X=7. 7-8=-1

8. X=18. 18-7=11

You might be interested in

Lorenzo and his sister, Mariana, are decorating gingerbread houses. They want to make grass, so they turn their icing green by m

Alexandra [31]

Answer:

lorenzo

Step-by-step explanation:

because he has added more blue shade which will make the icing darker , Mariana's icing will be lighter as she added less blue shade :)

8 0

2 years ago

Triangle Q M N is shown. The length of Q M is 18, the length of M N is 17, and the length of Q N is 20. Law of cosines: a2 = b2

kvasek [131]

Answer:

53°

Step-by-step explanation:

17² = 18² + 20² - 2(18)(20) cos Q

289 = 324 + 400 - 720 cos Q

289 = 724 - 720 cos Q

-435 = -720 cos Q

0.6042 = cos Q

$cos^{-1} (0.6042) = Q$

Q = 52.83

3 0

2 years ago

Hi! Pleaseee help!!!

dusya [7]

Answer: what is the problem

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

What is a square root?

Vlad [161]

Number that produces a specified quantity when multiplied by itself
Example : “ 7 is a square root of 49 “ BECAUSE 7x7=49

6 0

2 years ago

Read 2 more answers

Marco does 14 extra math problems each school night how many extra problems does he do each week. there are 5 school nights in a

Alexus [3.1K]

Marco does 70 extra math problems each week. 14(5)=70

4 0

2 years ago

Read 2 more answers