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Sophie [7]
3 years ago
15

Complete both I will give brainliest question if answer correct​

Mathematics
2 answers:
Degger [83]3 years ago
8 0

Answer:

1. 5 3/4 - 2 1/4 = 3 1/12          2. 7 2/3 + 2 1/5 = 9 13/15

Step-by-step explanation:

1. 5 3/4 - 2 1/4

subtract the numbers on the side 5-2=3

subtract the fraction 3/4-1/4=2/4

reduce 2/4=1/2

add them together 3+1/2=3 1/2

2. 7 2/3 + 2 1/5

subtract the numbers on the side 7+2=9

find LCD of 2/3 and 1/5=

10/15+3/15=13/15

add them together 9+13/15=9 13/15

AURORKA [14]3 years ago
8 0

Answer:   a)\ 3\dfrac{1}{2}

                b)\ 9\dfrac{13}{15}

<u>Step-by-step explanation:</u>

a)

.\quad 5\dfrac{3}{4}\\-\\.\quad\underline{ 2\dfrac{1}{4}}\\\\.\quad 3\dfrac{2}{4}\div\dfrac{2}{2}\quad =\quad \large\boxed{3\dfrac{1}{2}}

b)

.\quad 7\dfrac{2}{3}\times \dfrac{5}{5}=7\dfrac{10}{15}\\+\\.\quad 2\dfrac{1}{5}\times \dfrac{3}{3}=\underline{2\dfrac{3}{15}}\\\\.\qquad \qquad \quad \ \large\boxed{9\dfrac{13}{15}}

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Mike scored a 125 at a semi-final dividing competition season. He scored 95 at this final season. What is the percentage decreas
IrinaK [193]

Answer:

There was a 24% decrease

Step-by-step explanation:

Percentage decrease = (final season's score - semi-final score) / semi final score x 100

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\frac{-30}{125} × 100 = -24%

3 0
3 years ago
Julian study a dog walking business over his summer break. He charges $10 for every 1/3 hour he walks a dog if he increases his
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Answer:

The amount of increase per \frac{1}{3}  hour by $1.

Step-by-step explanation:

Julian charges $10 for every \frac{1}{3} hour he walks a dog.

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6 0
3 years ago
81.098 rounded to hundredths
pantera1 [17]
The answer is 81.1 because since the 9 place value above 5, you round the number in front of it to 1. so the answer is 81.1. I hope that helps.
3 0
3 years ago
On their first dive, researchers explore a part of the ocean floor that is 60 feet
DENIUS [597]

Answer:

d < -60

Step-by-step explanation:

Let d represent the depth of the researchers' second dive.

Given;

Depth of First dive = -60 ft

It was stated that in their second dive, the researchers explore a deeper depth, That is depth deeper than 60 ft.

Since the depth of 60ft is represented by the integer -60,

Deeper depth would be represented by integers less than -60.

So, d can be represented as;

d < -60

3 0
3 years ago
Simplify 2x + 1 - x +2.​
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Answer:

the answer is x + 3

Step-by-step explanation:

7 0
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