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Lapatulllka [165]
3 years ago
10

15 more than 3 times a number is 45. What is the number?

Mathematics
2 answers:
nataly862011 [7]3 years ago
6 0

Answer:

15

Step-by-step explanation:

Maurinko [17]3 years ago
6 0
The number is 10.
Because if you multiply 10 by 3, you get 30 and 15 more than 30 is 45.
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3x+6=30 i need some help
goldenfox [79]

Answer:

24

Step-by-step explanation:

3x+6=30

Get the co-efficient by itself

3x +6=30

     -6.   -6

3x=24

Divide by 3 on both sides

24/3

x =8

4 0
3 years ago
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If you add the digits in a two-digit number and multiply the sum by 7, you get the original number. If you reverse the digits in
kolbaska11 [484]
The answer is A. 42

Solution:
Let x= ones digit, y=tens digit

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2nd condition (new number by reversing the digits): 18+x+y=10x+y

simplifying:
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How to do complete the number line using the following fractions
Sloan [31]
You line them up from smallest to greatest
5 0
3 years ago
3. A zookeeper is monitoring the supply of grain and hay that she has to feed the
4vir4ik [10]

Answer:

Day 6

Step-by-step explanation:

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3 0
2 years ago
(2x-6)(x +11)<br> What is the answer?
ycow [4]

Answer:

2x^2+16x-66

Step-by-step explanation:

Use FOIL (First, Outside, Inside, Last)

(2x-6)(x+11)

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O-2x*11=22x

I--6*x=-6x

L--6*11=-66

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Combine like terms

2x^2+16x-66

5 0
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