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Greeley [361]
3 years ago
6

Problem page debra finished her chemistry assignment in 15 hours. then she completed her history assignment in 34 hours. what wa

s the total amount of time debra spent doing these two assignments?
Mathematics
1 answer:
Maurinko [17]3 years ago
3 0
<span>Debra spent a total of 49 hours doing these two assignments. The answer is calculated as the sum of 15 + 34 = 49.</span>
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Will mark brainless
iren2701 [21]

Answer:

Step-by-step explanation:

y = 3x + 2

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Ryan’s answer:

I solved by adding the equations. The solution is .

y = 3x + 2 → 3x + y = 2

6x – 2y = 10 → 3x – y = 5

6x = 7

x =

6x – 2y = 10 → 6 – 2y = 10

7 – 2y = 10

–2y = –3

y = -

Jesse’s answer:

I used matrices. The solution is .

Mark’s answer:

I graphed the equations. The lines are parallel and do not intersect, so there is no solution.

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3 years ago
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Step-by-step explanation:

hello .....

note : the slope of the line (AB) is :

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8 0
1 year ago
In 2010 the Internal Revenue Service allowed a $5,150 deduction for each dependent. In 2005 it was a $3,200. If a family has fiv
Aleks04 [339]
5x5,150 =$<span>25,750 = Answer</span>

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2 years ago
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guapka [62]

Answer:

I think it is B, AB or CD and AB || CD

Step-by-step explanation:

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3 years ago
How many triangles can be constructed with the sides measuring 1m, 2m, and 2m.
Pachacha [2.7K]

Answer:Only one triangle can be constructed


Step-by-step explanation:

According to the question sides given are 1m, 2m and 2m

For the possibility of a triangle the sum of the two sides must be greater

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Only an isosceles triangle can be constructed

as two sides are equal

3 0
3 years ago
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