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3 years ago

Find the missing side

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

5 0

Answer: 1) The missing length is 40. 2) The missing side is 30 .

Step-by-step explanation:

1) 9^2 + b^2 = 41^2

81 + b^2 = 1681

-81 -81

b^2 = 1600

b= 40

2) 24^2 + 18^2 = c^2

576 + 324 = c^2

900 =c^2

c= 30

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A magician pulls 12 rabbits out of a hat.

pashok25 [27]

(12+13=25) (25+26=51) 51 is You're answer.
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3 years ago

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Emilio bought 5.65 of green grapes and 3.07 pounds of red grapes

NISA [10]

The weight of each bag is 0.545 lb .

<h3>What is weight ?</h3>

Weight in maths is the value of the mass of an object on a measuring scale , It is measured in pound , ounce , kilogram etc.

It is given that

Total weight of green grapes = 5.65 lb

Total weight of red grapes = 3.07lb

Total weight = 5.65 +3.07 = 8.72 lb

Total number of bags = 16

the weight of each bag

= 8.72 / 16

= 0.545 lb

Therefore the weight of each bag is 0.545 lb .

The complete question is

Emilio bought 5.65lb of green grapes and 3.07lb of red grapes. He divided the grapes equally into 16 bags. If each bag of grapes has the same weight, how much does each bag weigh?

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2 years ago

Can a smart brainstormer help me

lukranit [14]

The answer is .1391
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(If your confused, I just put this in a calculator)

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3 years ago

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Martin throws a ball straight up in the air. the equation h(t) = -16t^2 + 40t + 5 gives the height of the ball, in feet, t secon

Lisa [10]

Answer:

2.62 seconds

Step-by-step explanation:

Let

t ----> the time in seconds

h(t) ----> he height of the ball, in feet

we have

$h(t)=-16t^2+40t+5$

we know that

When the ball hits the ground, the height is equal to zero

$-16t^2+40t+5=0$

The formula to solve a quadratic equation of the form

$at^{2} +bt+c=0$

is equal to

$t=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$-16t^2+40t+5=0$

$a=-16\\b=40\\c=5$

substitute in the formula

$t=\frac{-40\pm\sqrt{40^{2}-4(-16)(5)}} {2(-16)}$

$t=\frac{-40\pm\sqrt{1,920}} {-32}$

$t=\frac{-40+\sqrt{1,920}} {-32}=-0.12\ sec$

$t=\frac{-40-\sqrt{1,920}} {-32}=2.62\ sec$

therefore

The solution is t=2.62 seconds

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3 years ago

The Idol's Eye diamond weighs 79.2 carats. The Blue Hope diamond weighs 33.68 carats less than the Idol's Eye. What is the weigh

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Answer:

2.35

Step-by-step explanation:

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3 years ago