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3 years ago

Clare volunteers at a local library during the summer. Her work includes putting labels on 750 books.

Mathematics

2 answers:

Marizza181 [45]3 years ago

7 0

Answer:

75 minutes

Step-by-step explanation: 750 divided by 10 is 75

olya-2409 [2.1K]3 years ago

3 0

7500 minutes or 125 hours..

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What is the ratio of red to blue cars there were 32 red cars and 16 blue cars

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Answer:

2:1

32:16 is 2:1

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3 years ago

Circles A, B, and C overlap. x is in the overlap of circles A and B. Which of the following are true about x? Check all that app

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Answer:

b, c, d, e, f

Step-by-step explanation:

x ∉ A . . . . . not true, x is in A

x ∈ B . . . true

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3 years ago

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3 years ago

In a missile-testing program, one random variable of interest is the distance between the point at which the missile lands and t

Arisa [49]

Answer:

Step-by-step explanation:

From the given data

we observed that the missile testing program

Y1 and Y2 are variable, they are also independent

We are aware that

$(Y_1)^2 and (Y_2)^2$ have $x^2$ distribution with 1 degree of freedom

and $V=(Y_1^2)+(Y_2)^2$ has x^2 with 2 degree of freedom

$F_v(v)=\frac{e^{-\frac{v}{2}}}2$

Since we have to find the density formula

$U=\sqrt{V}$

We use method of transformation

$h(V)=\sqrt{U}\\\\=U$

There inverse function is $h^-^1(U)=U^2$

We derivate the fuction above with respect to u

$\frac{d}{du} (h^-^1(u))=\frac{d}{du} (u^2)\\\\=2u^2^-^1\\\\=2u$

Therefore,

$F_v(u)=F_v(h-^1)(u)\frac{dh^-^1}{du} \\\\=\frac{e^-\frac{u^-^}{2} }{2} (2u)\\\\=e^-{\frac{u^2}{2} }U$

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3 years ago

The measure of one angle is thirteen less than five times the measure of another angle. The sum of the measures of the two angle

Oduvanchick [21]

Answer:

The two angles are 25.5 and 114.5

Step-by-step explanation:

x = measure of one angle

5x - 13 = measure of the other angle {one angle is 13 less than 5 times the other}

x + 5x - 13 = 140 {sum of the two angles is 140}

6x - 13 = 140 {combined like terms}

6x = 153 {added 13 to each side}

x = 25.5 {divided each side by 6}

5x - 13 = 114.5 {substituted 25.5, in for x, into 5x - 13}

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3 years ago