2 years ago

3 6.7 x 7 What is the answer

Mathematics

2 answers:

hichkok12 [17]2 years ago

6 0

The answer to this would be 256.9.

WARRIOR [948]2 years ago

5 0

Answer:

256.9

Step-by-step explanation:

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A tire company finds that the lifespan for one brand of its tires is normally distributed with a mean of 47,500 miles and a stan

Illusion [34]

Answer:

42580 miles

Step-by-step explanation:

Mean = $\mu = 47500$

$\sigma = 3000$

The manufacturer does not want to replace more than 5% of the tires

$P(X\leq x)=5\%$

$P(\frac{x-\mu}{\sigma}\leq \frac{x-47500}{3000})=0.05$

By using normal table values :

$\frac{x-47500}{3000}=-1.64$

$x=(-1.64 \times 3000)+47500$

$x=42580$

Hence the approximate number of miles for the warranty is 42580 miles

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2 years ago

Find the perimeter. Simplify the answer.

Ugo [173]

Answer: 26t - 8

Step-by-step explanation:

7 0

2 years ago

Francine has a collection of 25 dolls. If 12% of the dolls are Monster High dolls, how many of the dolls are not Monster High Ex

Oksi-84 [34.3K]

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Answer:

Step-by-step explanation:

The number of Monster High dolls is ...

12% × 25 = 3 . . . dolls

The others are not Monster High dolls. Their number is ...

25 -3 = 22 . . . not Monster High dolls

4 0

2 years ago

Greg and Heather each opened a savings account today. Greg opened his account with a starting amount of $330, and he is going to

cluponka [151]

Set up two equations:

Greg = 330 + 75X

Heather = 660 + 45x

Set them to equal and solve for x:

330 + 75x = 660 + 45x

Subtract 330 from both sides:

75x = 330 + 45x

Subtract 45x from both sides:

30x = 330

Divide both sides by 30:

x = 330 / 30

X = 11

11 months they will have the same amount saved.

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2 years ago

1/3 of $6.00 <br> What is the new price? <br> Show how you got your answer please!

Katarina [22]

Answer:

Step-by-step explanation:

1/3 of $6 = 1/3 * 6 = $2.00

5 0

2 years ago

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