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Zarrin [17]
2 years ago
12

Which one is correct?

Mathematics
1 answer:
SIZIF [17.4K]2 years ago
8 0

Answer:

1

Step-by-step explanation:

520 + 480 = 1000 and 480/6 = 80

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When a number decreased by 10% the result in 63. What is the number?
Ugo [173]
The number is 69.3 because percent means 0.01, so 10 x 0.01 = 1.1
so 1.1 x 63 = 69.3. you can also do 63 x 10% = 69.3.
4 0
3 years ago
A multivitamin tablet contains 10.5 mg of calcium. How much calcium does a bottle of 50 tablets contain? Write your answer in gr
andrew11 [14]
Just do 10.5 × 50 and whatever answer you get label as grams
4 0
3 years ago
Read 2 more answers
Complete the following sentence. If 3/4 =x/8 , then x is equal to what?
Tanzania [10]

Answer:

#1. Let x be the number of hours spent dog walking, then the amount of money earned dog working is 12x.

#2. Let y be the number of hours spent washing cars, then the amount of money earned washing cars is 18y.

Step-by-step explanation:

Hopefully this helped, if not HMU and I will get you a better answer.

<em>-Have a great day! :)</em>

5 0
3 years ago
What is the degree of the monomial?<br> 3.25 + 2x2 - y+3
disa [49]

Answer:

5

Step-by-step explanation:

The degree is just the number with the highest power. In this case, it is 3^5. Therefore, 5 is the degree.

If this helps please mark as brainliest

8 0
3 years ago
The area of a circle is 43.25cm2.<br> Find the length of the radius rounded to 2 DP.
Monica [59]

Answer:

3.71 cm

Step-by-step explanation:

Hi there!

Area of a circle equation: A=\pi r^2 where r is the radius

Plug in the area 43.25 cm²

43.25=\pi r^2

Divide both sides by π to isolate r²

\frac{43.25}{\pi} =\frac{\pi r^2}{\pi} \\\frac{43.25}{\pi}=r^2

Take the square root of both sides to isolate r

\sqrt{\frac{43.25}{\pi}} =r\\3.71=r

Therefore, the length of the radius rounded to 2 decimal points is 3.71 cm.

I hope this helps!

8 0
2 years ago
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