MATHEMATICS MIDDLE SCHOOL

What is the answer to 0.38 × 10³

Answers

Answer 1

Answer:

380

Step-by-step explanation:

Given

0.38 x 10^3

10^3 = 10 x 10 x 10

= 1000

Therefore

0.38 x 1000 =380

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There were 12 3/4 cups of orange juice in a car in each day Alberto drink one one fourth of orange juice today there is 1/4 cup of orange juice left for how many days has Alberto drink orange juice

Answers

You start out with 12 3/4 cups of orange juice. Alberto drinks 1/4 cup of orange juice per day. So you need to divide 12 3/4 by 1/4. Then you subract 1/4 from it to get 50 days. Alberto drank 1/4 cup of orange juice for 50 days.

The arc corresponding to a central angle of 125 degrees in a circle of radius 10 feet measures _____ feet. Round your answer to two decimal places.

Answers

Answer:

$21.82\ ft$

Step-by-step explanation:

we know that

The circumference of a complete circle is equal to

$C=2\pi r$

In this problem we have

$r=10\ ft$

substitute

$C=2\pi (10)=20 \pi\ ft$

Remember that

An angle of $360\°$ subtends the arc length of a complete circle

by proportion

Find the arc length for an angle of $125\°$

$(20 \pi)/(360)(feet)/(degrees)=(x)/(125)(feet)/(degrees)\n \nx=125*(20\pi )/360\n \nx=21.82\ ft$

$(Angle)/(360)$ x $2 \pi r$

$(125)/(360)$ x $2 \pi (10)$ = $21.82$

Answer: The Arc measures $21.82 feet$

If Julie needs 3 1/4 cups of oatmeal, how many 1/4 cups of oatmeal will she use?

Answers

The answer is thirteen
1 cup=4 one fourths
3 cups=12 one fourths
Add one more one fourth

3 1/4 divided by 1/4= 13
there is (4) 1/4 cups in 1 cup

Is 18.797 bigger than 18.866

Answers

No it is less than 18.866.

a box or laundry detergent is on sale for $6.50. If this price represents a 40% discount from the original price, what is the original price to the nearest cent?

Answers

So $6.50 is 60% of the original price. And 60% = 0.6 and 40% = 0.4. Let the original price be 'x' so x=6.50/0.6. This equals 10.8333333333333 but it says ''what is the original price to the nearest cent so its $10.83.

$6.50 is 60% in price.
Hope this helps.

#15 only please. thanks.

Answers

Easy,

plotting it on a graph...

(-2,3) (4,3) (4,-4) (-2,-4)

Now, if done correctly, when you count the "points" it should be lengthwise

6 units, and width would be 7

6*7=42

The Area is 42 units squared.

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What is 150/100 as a decimal and percent please make sure you know. Im doing homework.