All categories

3 years ago

Complete the solution of the equation. Find the value of y when x equals -1. -2x+7y=-54

Mathematics

1 answer:

svetoff [14.1K]3 years ago

4 0

Answer:

Step-by-step explanation:

-2(-1) + 7y = -54

2 + 7y = -54

-2 -2

7y = -56

Divide by 7

y = -8

You might be interested in

The diameter of the bottom of a lamp shade is twice the diameter of the top of the lamp shade. The top of the lamp shade has a 9

GarryVolchara [31]

Answer:

see explanation

Step-by-step explanation:

The circumference (C) is calculated as

C = πd ← d is the diameter

diameter = 2 × 9 = 18 in ( twice the top diameter ), thus

C = 18π in ← exact value ≈ 56.55 in ( to 2 dec. places )

5 0

3 years ago

The pH level of a solution measures how acidic or basic the solution is. Values between 0 and 7 are considered acidic while valu

Furkat [3]

Answer:

about 2.47

Step-by-step explanation:

Your calculator will tell you ...

$-\log{(3.4\times 10^{-3})}\approx 2.4685\approx\bf{2.47}$

4 0

2 years ago

Find the measure of one interior angle of the regular polygon shown below

alisha [4.7K]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Which theorem shows WQD = XRD

daser333 [38]

Answer:

SAS

Step-by-step explanation:

5 0

2 years ago

- 16 to the power of -3/4

vekshin1

The answer to -16^-3/4 is -8

3 0

2 years ago