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zhuklara [117]
3 years ago
11

The sum of 3 times a number and -2, added to 5 times the number

Mathematics
1 answer:
givi [52]3 years ago
3 0

Answer:

3x + (5x -2)

Step-by-step explanation:

X is any number so 3 times a number is 3x. -2 plus 5 times a number is the same as 5 times a number minus 2. And the sum would be 3x + (5x - 2)

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Guys I need help in both please​
IRINA_888 [86]

Answer:

Graph 1 is not proportional

Graph 2 is proportional - y is 2 times x

Step-by-step explanation:

In graph 1, there is no x-y correlation

In graph 2, there is, when x=1, y=6

when x=2, y=12. Therefore, when x=3 y would equal 18.

4 0
3 years ago
ANSWER ASAP <br> Write an equation of a line that passes through the points (2,3) and (2,-6).
Agata [3.3K]
1st you need to fine the slope using 

S = y2-y1/x2-x1

S = -6 - 3/2-2

S = -9/0

S = Undefined 

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6 0
3 years ago
A toy rocket was shot into the air. The graph below represents the height over the time of the rocket. Which of the following ar
Ludmilka [50]

Answer: Option 'B' and 'C' are correct.

Step-by-step explanation:

Since we have given that

A  rocket was fired into the air.

The rocket reached a maximum height of 59 feet at point (3.5,59) as shown in the figure.

And it took the rocket 3.5 seconds to reach its maximum height.

and the rocket landed after 6.9 seconds, So option 'D' is false which states  The rocket landed after 34 seconds.

The equation that represents the rocket’s height over time has two solutions is completely false as it has only one solutions.

Hence, Option 'B' and 'C' are correct.

8 0
3 years ago
Read 2 more answers
How much is 27.99$ with 25% extra
Fofino [41]

Answer:

34.98

Simply add the 27.99 with 25%

= 34.98

8 0
2 years ago
Hello I need help, I have the answers but I need poof I did it. Please edit pic on the diagram and put the answer I will give 25
SVETLANKA909090 [29]

Answer:

Question 1:

(12*12)+(6*12)=216 ft^2

Question 2

0.15*216 = 32.4

$34.40

Step-by-step explanation:

7 0
3 years ago
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