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expeople1 [14]
3 years ago
12

Write and solve an equation to answer the question, "What number aa is 25% of 64?" An equation is __ =0.25* __. The solution is

a= __ .
Mathematics
1 answer:
Leokris [45]3 years ago
7 0

What number aa is 25% of 64? An equation is a=0.25*64. The solution is a=16. Then check.

64 / 16 = 4. So 16 is the solution.
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A triangle has one side that is 5 inches long and the other two sides are both of length x. Write an expression for the perimete
earnstyle [38]

Let P = perimeter

P = 3x + 5

Let x = 10

P = 3(10) + 5

P = 30 + 5

P = 35

4 0
3 years ago
A roll of ribbon was 12 meters long. Diego cut 9 pieces of ribbon that were 0.4 meters each to tie some presents. He then used t
dexar [7]

Answer: 8.4; 14.

Step-by-step explanation:

To find how much ribbon we used to tie presents, we need to multiply 9 and 0.4.

9 x 0.4 = 3.6.

Diego used 3.6 meters of yard to tie some presents. We can subtract that from 12 to find how much ribbon we have left.

12 - 3.6 = 8.4.

We have 8.4 meters of ribbon to make wreaths.

Now we have to find how many wreaths we can make wiht 8.4 meters of ribbon. We know that each wreath needs 0.6, so we should divide 8.4 by 0.6 to find how many wreaths we can make.

8.4 ÷ 0.6 = 14.

Therefore, we can make 14 wreaths with the 8.4 meters of leftover ribbon.

(Part A's answer is 8.4, and Part B's answer is 14)

4 0
3 years ago
Read 2 more answers
Given that p is an integer, q = -12 and the quotient of p/q is -3, find p
sergejj [24]
I think it’s p=36 because you have to do the opposite on both sides..

So..
q=-12
P/-12=-3
+12 *12
P=36
7 0
3 years ago
Read 2 more answers
Barry made the model to show multiplying a fraction by a fraction. Which multiplication sentence does the model show? A grid wit
barxatty [35]

Given:

Number of rows = 3

Number of columns = 6

Number of square boxes = 18

yellow square boxes in the top two rows = 12

Blue square boxes in the first 5 columns = 15

Number of green boxes (shading overlaps) = 10

To find:

The model to show multiplying a fraction by a fraction.

Solution:

2 rows out of 3 are shaded yellow.

Fraction for yellow = \dfrac{2}{3}

5 columns out of 6 are shaded blue.

Faction for blue = \dfrac{5}{6}

10 out of 18 squares are green.

Faction for green =  \dfrac{10}{18}=\dfrac{5}{9}

Now,

\dfrac{2}{3}\times \dfrac{5}{6}=\dfrac{10}{18}

\dfrac{2}{3}\times \dfrac{5}{6}=\dfrac{5}{9}

Therefore, the correct option is D.

5 0
3 years ago
A boat makes a 120-mile trip downstream in 3 hours but makes the return trip in 4 hours. What is the rate of the current?
Gnom [1K]
With the current 40 miles per hour
Against the current 30 miles per hour
bv means boat velocity with NO current
cv means current velocity
A) bv + cv = 40 mph
B) bv - cv = 30 mph
Adding both equations:
2bv = 70
boat velocity with NO CURRENT = 35 miles per hour

Using equationA
bv + cv = 40
35 + cv = 40

current velocity = 5 miles per hour


8 0
3 years ago
Read 2 more answers
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