Dividing decimals model

Mathematics

2 answers:

Zinaida [17]3 years ago

7 0

The answer is B;

8 x .1 = .8
And you have four groups of 8
.8 x 4 = 3.2

suter [353]3 years ago

4 0

The answer is B

hope this helps

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A 10-foot ramp must make an angle of 30degrees with the ground if it is to reach a certain window. What angle must a 15-foot ram

prohojiy [21]

We know Sin theta is given by Perpendicular/ hypotenuse. Hence in this case the angle given is 30 degree and hypotenuse is given as 10 foot. Hence Sin 30= P/ 10 1/2= P/10 Hence on solving value of P is 5. Now we have to compute the theta value for Perpendicular as 5 and now the height of ramp is increased to 15 foot, hence hypotenuse is now 15 foot. Hence Sin theta= 5/15 On taking inverse of Sin Theta we will get the theta value as 19.47. Hence the angle of ramp should is 19.47 degrees.

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Step-by-step explanation:

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