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Shalnov [3]
3 years ago
13

Nine students in Maddie's classroom are wearing red. There are

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0

Answer:

Yes she is correct cause 30 times 30 percent is 9

Step-by-step explanation:

goblinko [34]3 years ago
5 0

Answer:

She is correct because 30 percent of 30 is 9 or in other words if you multiply 30 by 30 percent you get 9.

Step-by-step explanation:

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Lunna [17]

Answer:

<u>3 days</u>, <u>27</u>

Step-by-step explanation:

After 3 days :

  • 3³ = 27 belts
  • 4(3) + 15 = 12 + 15 = 27 belts

After 3 days, the number of belts and wallets sold will be the same, equal to 27.

3 0
2 years ago
Elena has $240 in the bank. She withdraws $15 each week to pay for her piano lessons. How many lessons can she afford with her s
Ivahew [28]
16 lesson. The equation is 240÷15=16
And like I said 240÷15 is 16
So here I hope it helped You
~jZ
6 0
3 years ago
I will give you Brainiest if you are right.
Oksi-84 [34.3K]

Answer: F. Students 1 and 4.

Step-by-step explanation: Students 1 and 4 because algebraic expressions do not have equal signs, and students 1 and 4 don't have equal signs, as equal signs can be found in algebraic <u>equations</u>.

3 0
3 years ago
What is the value of x in the equation 7(4x+1)−3x=5x−13?
Citrus2011 [14]

Answer:

x = -1

Step-by-step explanation:

7(4x+1)−3x=5x−13

Distribute

28x +7 -3x = 5x -13

Combine like terms

25x+7 = 5x-13

Subtract 5x from each side

25x-5x +7 = -13

20x +7 = -13

Subtract 7 from each side

20x+7-7 = -13-7

20x = -20

Divide by 20

20x/20 = -20/20

x = -1

8 0
3 years ago
Use the explicit formula an = a1 + (n – 1) • d to find the 250th term of the sequence below. 57, 66, 75, 84, 93, ...
strojnjashka [21]

The general term of an arithmetic sequence is,

a_{n} =a_{1} +(n-1)d

Where , a_{n} = nth term.

a_{1}= First term

and d = common difference.

The given sequence is: 57, 66, 75, 84, 93, ...

Here a_{1}= 57,

d = 66 - 57 = 9

We need to find the 250th term. So, n = 250.

Next step is to plug in these values in the above formula. Therefore,

a_{250} =57 +(250-1)*9

= 57 + 249 * 9

= 57 + 2241

= 2298

Therefore, 250th of this sequence is 2298

Hope this helps you!

5 0
3 years ago
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