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3 years ago

WRITE AN DIVISION PROBLEM THAT HAS A 3 DIGIT DIVIDEND AND DIVISOR BETWEEN 10 AND 20 . SHOW HOW TO SOLVE IT.

Mathematics

2 answers:

Tema [17]3 years ago

3 0

150/15=10
because 10 times 15 equals 150
3 digit dividend = 150
divisor between 10 and 20 is 15

Vitek1552 [10]3 years ago

3 0

144 divided by 12
____
12/144

First, how many times does 12 go into 14? Once.
1
___
12/144 Bring down
-12 the four
24

Now, 12 goes into 24 2 times.
12
___
12/144
-12
24
-24
0

There you go!

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Maria's family drove 140 mi to her grandparents' house and averaged 56 mi/h on the way there. On the return trip, they avera

GaryK [48]

Answer: 5.3 Hours

Step-by-step explanation: 140 mi there at 56 mi per hour would be 2.5 hours. Then back 140 mi at 50 mi/h would be 2.8. 2.5 plus a 2.8 is 5.3 hours

4 0

3 years ago

Let X represent the time it takes from when someone enters the line for a roller coaster until they exit on the other side. Cons

Yuri [45]

Answer:

a. E(x) = 3.730

b. c = 3.8475

c. 0.4308

Step-by-step explanation:

Given

0 x < 3

F(x) = (x-3)/1.13, 3 < x < 4.13

1 x > 4.13

Calculating E(x)

First, we'll calculate the pdf, f(x).

f(x) is the derivative of F(x)

So, if F(x) = (x-3)/1.13

f(x) = F'(x) = 1/1.13, 3 < x < 4.13

E(x) is the integral of xf(x)

xf(x) = x * 1/1.3 = x/1.3

Integrating x/1.3

E(x) = x²/(2*1.13)

E(x) = x²/2.26 , 3 < x < 4.13

E(x) = (4.13²-3²)/2.16

E(x) = 3.730046296296296

E(x) = 3.730 (approximated)

What is the value c such that P(X < c) = 0.75

First, we'll solve F(c)

F(c) = P(x<c)

F(c) = (c-3)/1.13= 0.75

c - 3 = 1.13 * 0.75

c - 3 = 0.8475

c = 3 + 0.8475

c = 3.8475

What is the probability that X falls within 0.28 minutes of its mean?

Here we'll solve for

P(3.73 - 0.28 < X < 3.73 + 0.28)

= F(3.73 + 0.28) - F(3.73 + 0.28)

= 2*0.28/1.3 = 0.430769

= 0.4308 -- Approximated

5 0

3 years ago

If the area of the rectangle is 60 square inches, what is the width of the rectangle?

lesya692 [45]

Answer:

put a picture up

Step-by-step explanation:

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3 years ago

1 point

weeeeeb [17]

Answer:

The answer is 0.71 per ounce.

Step-by-step explanation:

You can use proportions to solve this.

$\frac{89.95 dollars}{64lb} = \frac{1 dollar}{x} \\64 * 1 = 64\\89.95 * x = 89.95x\\\\\frac{64}{89.95} = \frac{89.95x}{89.95}\\\\0.7115063924 = x\\Which when rounded to the nearest hundredths is:\\0.71$

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2 years ago

Please help!!!

Nuetrik [128]

Mya took out money from the bank. When she went to get a bank statement she saw she had a $-2.00 in her account but she needed the number so she took out $30. So you would do $30+(-2.00)=(-32.00)

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3 years ago