2 years ago

4. Solve each equation by inspection. Explain your thinking. a) 3n=33 b) 9+w=10 c) r-15=30 d) 2y+3=11

Mathematics

1 answer:

Setler79 [48]2 years ago

3 0

Step-by-step explanation:

A. 3n = 33

n = 33/ 3 = 11

B. 9 + w = 10

w = 10 - 9 = 1

C. r - 15 = 30

r = 30 + 15 = 45

D. 2y + 3 = 11

2y = 11 - 3

2y = 9

Y = 9/2

You might be interested in

A small black cloth bag holds two red counters, two green counters, two

pentagon [3]

Answer:

1/14

Step-by-step explanation:

P(red, then black) = $\frac{2}{8}$ · $\frac{2}{7}$ = $\frac{4}{56}$ = $\frac{1}{14}$ (simplifed form)

7 0

2 years ago

Which of the following is a characteristic of a plane

wel

Answer:

I think you meant to add a list of answers but didn't so here's the characteristics of a plane: Flat, two dimensional, extends infinitely, and is assembled about multiple points and lines.

Step-by-step explanation:

3 0

3 years ago

AABC with vertices A(- 2, 3), B(3, - 3) , and C(- 2, - 3) is shown below.

kicyunya [14]

Answer:

ab= 7.8

ac= 6

bc=5

Step-by-step explanation:

4 0

2 years ago

Cory earns $9 per hour working at the local library. If she works 5 hours on Saturday how much money will she earn?

Rzqust [24]

Cory will earn 45$ on saturday.

5 0

3 years ago

For the first year of a new job, you make P70,000. You get an annual raise each year of 3%. Find out total amount of money you w

lutik1710 [3]

Answer:

P371,639.507

Step-by-step explanation:

First year: 70,000

Second year: 72,100

Third year: 74,263

Fourth year: 76,490.89

Fifth year: 78,785.6167

If you plus them all the total is 371,639.507

4 0

2 years ago