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WARRIOR [948]
3 years ago
11

Twenty four students in Jamal's class are wearing tennis shoe's. there are thirty student's in his class. Jamal says that 70% of

his class is wearing tennis shoe's. is Jamal correct
Mathematics
2 answers:
mr Goodwill [35]3 years ago
6 0
No that is incorrect 70 percent of 30 is 21
Feliz [49]3 years ago
5 0
To see we times 30 x  .70 = 21 so this means Jamal is not correct.
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(3x^4y^5) ^ 3/7 in radical form
kobusy [5.1K]

The expression in radical form is (\sqrt[7]{3x^4y^5}) ^3

In order to express the given indices expression in radical form, we need to ensure there is a square root present in the resulting expression.

According to the law of indices,

a^{m/n} = \sqrt[n]{m}

Given the indices (3x^4y^5) ^ {3/7}

Comparing with the general formula, we will see that:

m = 3

n = 7

a = 3x^4y^5

Applying the law of indices:

(3x^4y^5) ^ {3/7} = (\sqrt[7]{3x^4y^5}) ^3

Hence the expression in radical form is (\sqrt[7]{3x^4y^5}) ^3

Learn more here: brainly.com/question/6755932

3 0
2 years ago
How do you get the answer for 10 millimeters increased by 30%
tiny-mole [99]
First you have to find what 30% of ten is, and then add it to the 10. So how do you find 30 % of 10? In math...

"of" means ×
"is" means =

30% of 10 is
30 % × 10 =

change 30% to a decimal by dividing by 100 ( move the decimal to the left 2 places)

.30 × 10 = 3

So 30% of ten is 3. Now since we are increasing by 30%, we have to add it to the original value, 10.

3 + 10 = 13

So 10 millimeters increased by 30% is

13 millimeters
8 0
3 years ago
Helicopters can land on circular pads. The area of a landing pad is 1,962.5 square feet. What is the radius of the pad? Use 3.14
notsponge [240]

Answer:

25 ft

Step-by-step explanation:

The area of this landing pad is 1,962.5 ft², which equals πr².

We solve this equation for r²:

       1962.5 ft²

r² = -----------------  =  625 ft²

             3.14

Taking the square root of both sides, we get:

r = √(625 ft²) = 25 ft

The radius is 25 ft.

5 0
3 years ago
Read 2 more answers
Ryan is planning a party for 138 people.Paper plates are sold in packs of twelve.How many packs of paper does ryan need to buy s
Artyom0805 [142]

Divide the number of people by the number of plates per pack:

138 / 12 = 11.5

He need to buy 12 packs of plates to have enough.

6 0
3 years ago
Use what you know about tangent lines to circles to solve for x
tigry1 [53]
X=5
Since both lines are tanget meaning the only touch the circle once, both sides will be the same we can set up an equation 33=x^2+8 which is 25=x^2 and square root both sides to get 5 equals x
3 0
3 years ago
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