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Mila [183]
2 years ago
5

A perfect square is the square of an integer. Of the integers from 2 through 99, how many have at least one perfect square facto

r > 1?
Mathematics
1 answer:
N76 [4]2 years ago
8 0

Answer:

Six numbers have perfect square factors

Step-by-step explanation:

The numbers with perfect square factors are those numbers that have perfect squares as one of the numbers that can divide them.

They include:

4 = 2 * 2

16 = 4 * 4

36 = 6 * 6

49 = 7 * 7

64 = 8 * 8

81     = 9* 9

These numbers above have perfect square factors because they are formed from integers that multiply themselves.

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I need help please can someone help
Liono4ka [1.6K]

Answer:

A 6 cm²

Step-by-step explanation:

The formula for the Surface Area of a Rectangle Prism and Square Prism [Cube] is below:

S.A = 2hw + 2bw + 2hb

Since 1 is the length of all edges, and also because all edges are congruent on a cube, you plug in 1 for the <em>height</em>, <em>width</em><em>,</em><em> </em>and<em> </em><em>base</em>:

6 = 2[1][1] + 2[1][1] + 2[1][1]

2 2 2

Or, you can just simply plug in 1 into the formula the exercise gave you and be done with it.

I am joyous to assist you anytime.

8 0
3 years ago
A dealer sold 500 tennis racquets some were sold at $20 each and the rest were sold at $45 each. The total receipts from these s
arlik [135]

Answer:

He sold 100 rackets for $ 20

Step-by-step explanation:

To start, we have to make 2 equations, one that represents the number of rackets and the other the money

x + y = 500

x * 20 + y * 45 = 20000

we clear x in the first equation

x + y = 500

x = 500 - y

we replace x in the second equation with (500 - y)

x * 20 + y * 45 = 20000

(500 - y) * 20 + y * 45 = 20000

10000 - 20y + 45y = 20000

-20y + 45y = 20000 - 10000

25y = 10000

y = 10000/25

y = 400

we replace x in the first equation with the value obtained

x = 500 - y

x = 500 - 400

x = 100

He sold 100 rackets for $ 20

8 0
3 years ago
Read 2 more answers
Find the value of x that makes m||n. (7x - 23) (11x + 23)
umka2103 [35]

(7x - 23)° + (11x + 23)° = 180°

7x - 23° + 11x + 23° = 180°

18x = 180° / : 18

x = 10°

5 0
3 years ago
A scientist needs 15 liters of 25% acid solution for an experiment, but she only has a 10% solution and a 35% solution.How many
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2 years ago
What is this equation problem 3n+16=7n
Monica [59]
If you mean what is n, then n = 4
7 0
3 years ago
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