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Thepotemich [5.8K]
3 years ago
8

The sum of 8 and a number is 9

Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

The sum of 8 and 1 is 9.

lol

Step-by-step explanation:

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What is the area of this trapezoid?<br><br><br><br> Enter your answer in the box.
ANEK [815]

Step-by-step explanation:

a=7+3+7=17

b=3

h=8

area=(1/2)(17+3)(8)=80

5 0
2 years ago
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Solve the following system using the SUBSTITUTION method.<br> x - 3y = 2<br> 2x - 6y = 6
notka56 [123]

ANSWER:

  • x – 3y = 2 ...(1)
  • 2x – 6y = 6 ...(2)

On solving eq(1), we get

  • x – 2 = 3y
  • x – 2/3 = y

Plug the value of x in eq(2)

  • 2x – 6(x - 2/3) = 6
  • 2x – 2(x – 2) = 6
  • 2x – 2x + 4 = 6
  • 0 = 6 – 4
  • 0 ≠ 2

So, given system of equations is not correct.

6 0
3 years ago
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Eva would like to buy a flute with an original price of $969.40. Which coupon should she use $75.00 off or 10% off
Dmitriy789 [7]

Answer:

10% off would be $96.94

So using the Coupon for 10% off would be the best deal.

8 0
3 years ago
Write 125 as a product of primes. Use index notation when giving your answer.
Mnenie [13.5K]

Answer:

5^3

Step-by-step explanation:

125= 5*25

25=5*5

5 is a prime number and there are 3 of them so the answer in index notation will be 5^3

3 0
3 years ago
Find the total surface area of the<br> following square pyramid:<br> 9 cm<br> 10 cm<br> SA = [?]cm2
MakcuM [25]

Answer:

280 cm2

Step-by-step explanation:

1)find the area of square

A=LW

=10×10

=100

2) find the area of triangle

A=B×H÷2

=10×9/2

=45

Coz,there are 4 triangle we multiple by 4

=45×4

=180

3)find the total surface area by adding the two

=100+180

=280cm2

4 0
2 years ago
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