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Rus_ich [418]
3 years ago
7

On a math test, 30 students earned a B. This number is exactly 40% of the total number of students in the class. How many studen

ts are in the class
Mathematics
1 answer:
Korolek [52]3 years ago
3 0

Answer:

75 students

Step-by-step explanation:

divide by .4

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Louis wants to give \$15 to help kids who need school supplies. He also wants to buy a pair of shoes for \$39.
ValentinkaMS [17]

Answer:

Louis needs to save 15+39 = $ 54 dollars

Step-by-step explanation:

\begin{aligned} 15 + 39 &=& \\ 10 + 5 + 30 + 9 &=&\\ 10 + 30 + 5 + 9 &=&\\ 40 + 10 + 4 &=&\\ 54. \end{aligned}

So Louis needs to save \$54.

7 0
4 years ago
Name the property of real numbers illustrated by the equation.
Julli [10]

Answer:

Distributive property

Step-by-step explanation:

The distributive property states a(b+c)=a*b+a*c. This property states that when you multiply more than one thing, you must be sure to multiply everything. When you order fast food combos, you do the distribution property to receive the correct order.

If I order 3 Happy Meals, then I will receive

3(hamburgers +fries + drinks +toys)

3 hamburgers+3 fries+3 drinks+3 toys.

If I don't, then I have broken the distribution property.

5 0
3 years ago
Is b. 840,000 or am I wrong? Correct gets BRAINLIEST! :)
bazaltina [42]

Answer:  y=4,728,779,608,739,020,800

Step-by-step explanation: based on the values you have for m & b it would be...

y=4,200 x 2^{50}

y=4,200 x 1,125,899,906,842,624

y=4,728,779,608,739,020,800

7 0
3 years ago
The distance around a circular dance hall room is 135 feet. What is the longest distance around the dance hall?
Naya [18.7K]

Answer: 43feet

Step-by-step explanation:

Perimeter= 135 feet

Since perimeter= 2πr

135 = 2πr

Recall that π = 3.14

135 = 2 × 3.14 × r

135 = 6.28 × r

135 = 6.28r

r = 135/6.28

r = 21.5

d = 2r

d = 2 × 21.5

d = 43 feet

4 0
3 years ago
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Need answer as fast as possible
True [87]
The answer is C the third one down
6 0
3 years ago
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