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Doss [256]
2 years ago
12

What is the solution of the system of equations ? 2x-y=7 y=2x+3

Mathematics
1 answer:
LuckyWell [14K]2 years ago
4 0
<span>2x-y = 7 so y = 2x - 7
y = 2x+3

2x - 7 = 2x + 3
0 = 10

Answer
No solution</span>
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Divide 40x/64y by 5x/8y.
Lemur [1.5K]

<u>Answer:</u>

The correct answer option is C. 1.

<u>Step-by-step explanation:</u>

We are to divide \frac { 4 0 x } { 6 4 y } by \frac { 5 x } { 8 y }.

Rewriting them as a fraction in whole:

\frac { \frac { 4 0 x } { 6 4 y } } {\frac { 5 x } { 8 y } }

Changing the division into multiplication by taking the reciprocal of the fraction in the denominator to get:

\frac { 4 0 x } { 6 4 y } × \frac{8y}{5x}

Cancelling out the like terms to get:

1

6 0
3 years ago
What is (9x + 5) - (6x - 8)?<br> What is (4x + 10) - (-3x + 5)?
s344n2d4d5 [400]
(9x+5) - (6x-8) = 9x+5 - 6x+8 = (9x-6x) + (5+8) = 3x+13

___

(4x+10) - (-3x+5) = 4x+10 + 3x-5 = (4x+3x) + (10-5) = 7x+5
4 0
2 years ago
Read 2 more answers
The percent frequency distributions of job satisfaction scores for a sample of information systems (IS) senior executives and mi
Lesechka [4]

Answer:

c. 0.83

d. 0.28

Step-by-step explanation:

See solution below

8 0
3 years ago
0.25x-8=16 what value of x makes the equation true?
prohojiy [21]
0.25x-8=16 add 8 to both sides. you get 0.25x=8. divide by .25 on each side x=32
8 0
3 years ago
NEED HELP ASAP NO LINKS!!!!!!!!!!!!!!!!!!!!!!On the first day it was posted online, a music video got 1500 views. The number of
timofeeve [1]

Answer:Answer: the total number of views that the video got over the course of the first 27 days is 718833

Step-by-step explanation:

The number of views that the video got each day increased by 18% per day. It means that the number of views is increasing in geometric progression. The formula for determining the sum of n terms(days), Sn of a geometric sequence is expressed as

Sn = (ar^n - 1)/(r - 1)

Where

n represents the number of terms(days) in the sequence.

a represents the first term in the sequence.

r represents the common ratio.

From the information given,

a = 1500

r = 1 + 18/100 = 1.18

n = 27 days

Therefore, the sum of the first 27 terms, S27 is

S27 = (1500 × 1.18^(27) - 1)/1.18 - 1

S27 = (1500 × 86.26)/0.18

S27 = 718833

Hopefully It helps:)

4 0
2 years ago
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