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AleksandrR [38]
3 years ago
11

we would multiply the divisor and dividend of 1.44 / 1.2 by what number to make the divisor a whole number

Mathematics
1 answer:
kaheart [24]3 years ago
8 0
To make the divisor and the dividend a whole number they bothneed to be multiplied by 100
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An insurance company charges Ted E. Bear $1400 per year for insurance on his home. The company has predicted that there is a 10%
Anna35 [415]

Answer:

$900  

Step-by-step explanation:

The given parameters are;

The amount Ted pays per year for insurance on his home = $1,400

The value of the insurance policy = $5000

The chance that Ted will make a claim on the policy = 10%

The expected value is given as follows

Incidence                     Probability(p)        Value(v)                                   v × p

A claim is made            0.1                  $5,000 - $1,400 = -$3,600     -$360

No claim                        0.9                 $1,400                                       $1260

Expected value is $1,260 - $360 = $900

The value the insurance company can be expected to make on average on the policy is $900    

7 0
3 years ago
There are 480 sophomores and 520 juniors in a high school. Find the ratio of juniors to sophomores
kow [346]

Answer:

13:12, 13 to 12, or 13/12

Step-by-step explanation:

520:480

Divide both numbers by GCF (40)

13:12

4 0
2 years ago
Two college instructors are interested in whether or not there is any variation in the way they grade math exams. They each grad
AlekseyPX

Answer:

Since the calculated value of F = 1.4397 is less than the critical value of

F (9,9)= 2.4403 we conclude that the  first instructor's variance is smaller and reject H0.

Step-by-step explanation:

1)Formulate the hypothesis that first variance is equal or greater than the second variance

H0: σ₁²≥σ₂²  against the claim  that the first instructor's variance is smaller

 Ha: σ₁²< σ₂²

2) Test Statistic F= s₂²/s₁²

F= 84.8/ 58.9=  1.4397

3)Degrees of Freedom = n1-1= 10-1= 9  and n2 = 10-1= 9

4)Critical value   at 10 % significance level= F(9,9)= 2.4403

5)Since the calculated value of F = 1.4397 is less than the critical value of

F (9,9)= 2.4403 we conclude that the  first instructor's variance is smaller and reject H0.

4 0
3 years ago
The members of a class voted to visit the zoo, museum, or science center on their next field trip. If the zoo got 33% of the vot
Alenkasestr [34]

Answer:

D

Step-by-step explanation:

100-33=67

67-29=38

38%

:3

6 0
3 years ago
Read 2 more answers
20% of Aussies have blue
notsponge [240]

Answer:

20

Step-by-step explanation:

Step 1: 4 = 20% × Y

Step 2: 4 = 20/100 × Y

Multiplying both sides by 100 and dividing both sides of the equation by 20 we will arrive at:

Step 3: Y = 4 × 100/20

Step 4:Y = 4 × 100 ÷ 20

Step 5: Y = 20

6 0
3 years ago
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