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weqwewe [10]
2 years ago
11

How many solutions does the equation 7x-4=7x+15​

Mathematics
2 answers:
Len [333]2 years ago
7 0

Answer:

0 because is you -7x from both sides you get -4=15 which doesn't work.

Step-by-step explanation:

galben [10]2 years ago
3 0

Answer:

No solution

Step-by-step explanation:

7x-4=7x+15​

-4 = 15 = not true

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Mr.Harris worked 40 hours this week. He also got a bonus of $180. He made a total $780. How much does Mr. Harris earns per hour?
Aloiza [94]

Answer: $15

Step-by-step explanation:

$780 - $180 = $600

$600/40hrs = $15

7 0
3 years ago
Evaluate.<br><br> 10^2 + 6 ⋅ 7 + 8<br><br> A. 70<br><br> B. 142<br><br> C. 150<br><br> D. 190
Kaylis [27]
I hope this helps you




100+42+8



100+50


150
8 0
2 years ago
Find the ratio, pls answer quick​
Brums [2.3K]

Answer:

1) 1:10

2) 150:2

3) 1:3

4) 20hrs : 1hrs

Step-by-step explanation:

3 0
2 years ago
10. Polygon WXYZ has vertices W(-1.5, 1.5),
vovikov84 [41]

Answer:

See explanation

Step-by-step explanation:

Polygon WXYZ has vertices W(-1.5, 1.5), X(6, 1.5), Y(6, -4.5), and Z(-1.5, -4.5).

Find the slopes of all sides:

WX:\ \dfrac{1.5-1.5}{6-(-1.5)}=\dfrac{0}{7.5}=0 - horizontal line

XY:\ \dfrac{-4.5-1.5}{6-6}=\dfrac{-6}{0} - slope undefined, so the line is vertical

YZ:\ \dfrac{-4.5-(-4.5)}{-1.5-6}=\dfrac{0}{-7.5}=0 - horizontal line

ZW:\ \dfrac{1.5-(-4.5)}{-1.5-(-1.5)}=\dfrac{6}{0} - slope undefined, so the line is vertical

Vertical and horizontal lines are perpendicular, so all angles W, X, Y and Z are right angles. Hence, quadrilateral WXYZ is a rectangle

6 0
3 years ago
N × 9 = 0 true? please i will give 25 points?
-BARSIC- [3]

Answer:

This can be true if n=0

Step-by-step explanation:

9n = 0

Divide each side by 9

9n/9 = 0/9

n=0

This can be true if n=0

5 0
3 years ago
Read 2 more answers
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