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2 years ago

Jay is 3 years less than 4 times Nelly’s age ( n ). Which expression represents Jay’s age?

Mathematics

2 answers:

NeX [460]2 years ago

6 0

Answer:

Step-by-step explanation: 3x4= 12 -3=9

Ludmilka [50]2 years ago

6 0

Answer:

what's nelly's age

Step-by-step explanation:

4x divided by 3?

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In bowling, the distance from the foul line to the headpin is 60 feet. A bowling ball has a radius of about 4.3 Inches. How many

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Answer:

about 26.6 times

Step-by-step explanation:

The circumference of the ball is found from ...

C = 2πr = 2π(4.3 in) ≈ 27.02 in

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Step-by-step explanation:

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RoseWind [281]

Answer:

$m\angle KLM=53.13^o$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of angle KOM

In the triangle KOM

we have

$KO=MO=r=5\ units$

$KM=8\ units$

Applying the law of cosines

$8^2=5^2+5^2-2(5)(5)cos(KOM)$

$64=50-50cos(KOM)$

$50cos(KOM)=50-64$

$50cos(KOM)=-14$

$cos(KOM)=-14/50$

$m\angle KOM=cos^{-1}(-14/50)$

$m\angle KOM=106.26^o$

step 2

Find the measure of the arc KM

we know that

$arc\ KM=m\angle KOM$ ----> by central angle

we have

$m\angle KOM=106.26^o$

$arc\ KM=106.26^o$

step 3

Find the measure of angle KLM

we know that

The inscribed angle is half that of the arc comprising

$m\angle KLM=\frac{1}{2}[arc\ KM]$

we have

$arc\ KM=106.26^o$

substitute

$m\angle KLM=\frac{1}{2}[106.26^o]$

$m\angle KLM=53.13^o$

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