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vladimir2022 [97]
2 years ago
14

Simplify the expression: 9v–4v+7v

Mathematics
1 answer:
EleoNora [17]2 years ago
7 0

Step-by-step explanation:

9v-4v+7v

= 5v+7v

= 12v

The answer is 12v

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I need help answering this
Lapatulllka [165]

Answer:

False

Step-by-step explanation:

165 - 90 = 75 + 40 = 115

115 is not the same as 165

3 0
2 years ago
Read 2 more answers
Find three consecutive even integers whose sum is 200 more than the smallest integer.
Alexeev081 [22]
X, X+2, X+4 ARE THE 3 POSITIVE CONSECUTIVE INTEGERS.
X(X+2)=8+38(X+4)
X^2+2X=8+38X+152
X^2+2X-38X-8-152=0
X^2-36X-160=0
(X-40)(X+4)=0


X-40=0
X=40 ANSWER FOR THE FIRST INTEGER.
40+2=42 FOR THE SECOND INTEGER.
3 0
3 years ago
Read 2 more answers
I keep getting kicked off of Brainly when other tutors go to try and answer this question.
Ilya [14]

Answer

(C) 15

Explanation

The given equation that represents the number of bags of sand (x) and bags of mulch (y) that can be bought with $105 is

3x+7y=105

If no bags of sand are bought, therefore x = 0

Then the number of bags of mulch that can be bought with $105 will be

\begin{gathered} 3(0)+7y=105 \\  \\ 0+7y=105 \\  \\ 7y=105 \\  \\ y=\frac{105}{7} \\  \\ y=15 \end{gathered}

8 0
1 year ago
How to convert improper fractions to a mixed numeral
Deffense [45]
Say for example, you have the improper fraction 18/7
The first step is to find out how many times 7 fits into 18
This looks like flipping the fraction, 7/18 = 2 whole times  with 4 parts left over
The 4 left over gets put in front of the original number (7) to give 2 4/7

To check if you have done it correctly, multiply the whole number (2) by the denominator ( 7 ) and then add the numerator.
2 x 7 = 14 + 4 = 18

Hope this helps
4 0
2 years ago
Read 2 more answers
How do you divide $306 into the ratio of 9:5:3? Can someone give me some advice on how to solve this problem?
GarryVolchara [31]
In order to divide $306 into the ratio of 9 to 5 to 3, first you have to make each section of the ratio represented by a variable, and put it into an equation.

9x + 5x + 3x = 306

Our next step is to simplify the left side of the equation by combining all of the like terms, the ones that contain variables.

17x = 306

Finally, to solve this equation, you have to divide both sides by 17 to isolate the variable x on the left side of the equation.

x = 18

However, this is not our answer as it isn't in a ratio format and doesn't really make sense. To find our ratio, we have to multiply each of our initial numbers (9, 5, and 3) by our variable, x.

9 * 18 = 162
5 * 18 = 90
3 * 18 = 54

You can verify that these numbers are correct because if you add them together you get 306.

Your final ratio is 162:90:54.

Hope this helps! :)

If you have a separate specific question about pre-tax prices and PMed me the link, I'd be happy to help you.
4 0
3 years ago
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