2 years ago

9 7/8 - ( -2 4/5 - 1/2)

Mathematics

1 answer:

Viefleur [7K]2 years ago

3 0

Answer:

9 7/8 - ( -2 4/5 - 1/2) = 13.175

Step-by-step explanation:

Hope this is correct and helps.

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The amount of money you earn varies directly to the number of pizzas you sell. If you earn $44 for selling 8 pizzas, How many pi

Anna [14]

Answer:

You would need to sell 24 pizzas

Step-by-step explanation

132/44= 3

Take the 3 and times it by 8

3 x 8 = 24

You would need to make 24 pizzas

Each pizza is 5.50$

So an equation for this could be

5.50x P = C

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and C is the cash you earned

I hope this helps

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3 years ago

What are two numbers that when multiplied equal -30 and when added together equal 1?

UkoKoshka [18]

Answer:

5 and 6

Step-by-step explanation:

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x2 + 1x - 30 = 0

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x2 + 1x - 30 = (X - 5 ) (X + 6)

5 0

3 years ago

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Find the lateral surface area of the figure.

Brut [27]

Surface area of the cylinder = 816.4 sq. ft.

Solution:

Height of the cylinder = 21 ft

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Use the value of $\pi$ = 3.14

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Substitute the given values in the surface area formula, we get

Surface area of the cylinder $$=2\times3.14\times 5\times 21+2 \times3.14\times 5^2$

$=659.4+157$

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3 years ago

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(x-4)2 + 3x at the value x = 7

Volgvan

Answer:

Step-by-step explanation:

x = 7

( x - 4 )^2 + 3x

= ( 7 - 4 )^2 + 3 ( 7 )

= 3^2 + 21

= 9 + 21

= 30

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2 years ago

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