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ki77a [65]
3 years ago
13

A group of related facts that use the same numbers is an

Mathematics
1 answer:
nika2105 [10]3 years ago
4 0
A group of related facts that use the same number is a fact family
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Find the value of (27/8)-2/3
Anvisha [2.4K]

The value of (27/8)-2/3 is..

Exact Form: 65/24

Decimal Form: 2.7083...…

Mixed Number Form: 2 17/24

8 0
3 years ago
Read 2 more answers
The combined area of a square and a rectangle is 225 square yards. the length of the rectangle is 8 times the width of the recta
snow_lady [41]

Answer:

The rectangle:  <u>L = 40 yards.   W = 5 yards</u>

The square: The length and width are both <u>5 yards</u>.

Step-by-step explanation:

<u>Let L and W be the length and width of the rectangle. </u>

<u>Let l and w be the length and width of the square.</u>

Area for each is:

Rectangle:  L*W

Square:       l*w

We are told that <u>L*W + l*w = 225 yards^2</u>

We are also told that

<u>L = 8W </u>

and that

<u>l = W</u>

Since the sides of a square are all equal, w is also W:  <u>w=W</u>

Summarizing and substituting:

L*W + l*w = 225 yards^2

(8W)*W + W*W = 225 yards^2

8W^2 + W^2 = 225 yards^2

9W^2  = 225 yards^2

W^2 = 25

W = 5 feet

---------------------

Therefore, since L = 8W <u>,</u> <u>L = 40 yards.   W = 5 yards</u> for the rectangle.

The square:  l=W, so <u>l = 5 yards, and thus w=5 yards</u>

--------------------------

Check:

Do a rectangle of 40' x 5' plus a square of 5' x 5' have a total combined area of 225 yards^2?

40yd x 5yd + 5yd x 5yd = 225 yards^2?

200 yd^2 + 25 yd^2 = 225 yards^2?

YES

5 0
1 year ago
PLEASE HELP I WILL GIVE BRAINLIEST
ale4655 [162]

Answer:

.64 .81 .46 .40 .04 13% 22% 06% 76% 76%

c i argree with both because 80% as a decmial can be both .8 and .80

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Q2) for both of the following, calculate A5 and A100.<br> (i) An= 6n-3
dlinn [17]

Answer:

27 and 597

Step-by-step explanation:

To evaluate A5 and A100, substitute n = 5, n = 100 into An , that is

A5 = 6(5) - 3 = 30 - 3 = 27

A100 = 6(100) - 3 = 600 - 3 = 597

4 0
2 years ago
Read 2 more answers
in 4.5 hours, 11.25 inches of snow fell suppose the same amount of snow fell each hour how much snow fell each hour
Julli [10]
If 11.25 inches snow fell in 4.5hrs,
Then for each hr how much snow fell?

So,
4.5 : 11.25
To find how many inches that fell per hour who would need to divide the number of inches by the numbers of hours

11.25 divided by 4.5 = 2.5

So the answer would be 2.5 inch was of snow per hour
6 0
3 years ago
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