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aalyn [17]
3 years ago
5

How to solve and answer using elimination

Mathematics
1 answer:
grin007 [14]3 years ago
4 0

Answer:

the answer is:

x=6

y=7


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Sarah mailed her computer to Store B for repairs. Her bill was: Initial Repair Cost = $1,350 Sales Tax of 7 percent = $94.50 Tot
algol [13]

Answer:

28.89

Step-by-step explanation:

Total cost =$1444.50

shipping percent= 2%

So, there is written that Shipping = 2% of Total cost

Ship Cost= 2%×$1444.50

= $28.89

6 0
3 years ago
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A diagonal of a cube measures StartRoot 294 EndRoot cm. The diagonal of a face measures 14 cm. What is the length of an edge of
hram777 [196]

The side of the edge of the cube is 9. 9cm

<h3>How to determine the length</h3>

Given that the diagonal of a cube measures the square root of 294cm and the diagonal of a face measures 14cm

To find the edge of the face, we know that the face of the cube is a square

Formula for diagonal of a square = \sqrt{2a}

Where is the side of the square

We then have,

\sqrt{2a}  = 14

Make 'a' the subject

a = \frac{14}{\sqrt{2} }

Simplify the surd

a = \frac{14}{\sqrt{2} } × \frac{14}{\sqrt{2} }

a = \frac{14\sqrt{2} }{2}

a = 7\sqrt{2}

a = 9. 9cm

Therefore, the side of the edge of the cube is 9. 9cm

Learn more about a cube here:

brainly.com/question/1972490

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5 0
2 years ago
3 Polnis
Minchanka [31]

Answer:

D.4.7%

Step-by-step explanation:

5 0
3 years ago
I'LL GIVE BRAINLIEST !!! FASTER<br><br>please explain how do you get the answer !​
aliya0001 [1]

Answer:

70

Step-by-step explanation:

we have the angle of vertex in the isosceles triangle = 180-2*bottom coner= 180-65/2=50

3 angles in the equilateral triangle are equal to 60

we have 50 + 60 +h =the angle of PQR =180

h=70

7 0
3 years ago
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Amanda made $276 for 12 hours of work, At the same rate, how many hours would she have to work to make $115
Anit [1.1K]

Answer:

5 hours

Step-by-step explanation:

276/12= 23

115/23= 5

5 0
2 years ago
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