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Vera_Pavlovna [14]
3 years ago
10

Solve the system of equations and choose the correct answer from the list of options.

Mathematics
1 answer:
Nuetrik [128]3 years ago
3 0

Answer:

2) (3, -2)

Step-by-step explanation:

d + e = 1

- d + e = - 5

__________+

0 +2e = -4

e = -4/2 = -2

d = 1-(-2) = 3

so, (d, e) => (3, -2)

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4 0
3 years ago
Given the diagram above, m∠Z is:
AveGali [126]

Answer:

120 deg

Step-by-step explanation:

The sum of the measures of the interior angles of a quadrilateral is 360 deg.

2t + 2t + t + t = 360

6t = 360

t = 60

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Answer: 120 deg

6 0
3 years ago
5x + 10 = 20
Andrei [34K]

To solve for <em>x</em>, we must first isolate the term containing <em>x</em> which in this problem is 5x.

Since 10 is being added to 5x, we subtract 10 from both sides of the equation to isolate the 5x.

On the left, the +10 and -10 cancel out and on the right, 20 - 10 is 10 and we have 5x = 10.

Now we can finish things off by just dividing both sides of the equation by 5. On the left the 5's cancel and on the right, 10 divided by 5 is 2 so <em>x = 2</em>.

4 0
4 years ago
Essay on "We don’t need maths, now we have calculators on our phones/devices"
lina2011 [118]
Extract adapted from “what’s the use”

8 0
3 years ago
Thirty-two small bags of soil are needed to fill 3 clay pots. How many small
I am Lyosha [343]

Answer:

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Step-by-step explanation:

4 0
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Read 2 more answers
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