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lions [1.4K]
3 years ago
12

Determine the number of solutions: 2x-7=3x+8

Mathematics
2 answers:
Alborosie3 years ago
8 0

Answer:

x=-15

Step-by-step explanation:

siniylev [52]3 years ago
5 0

Answer:

1 solution

Step-by-step explanation:

2x-7+3x+8

add 7 to both sides

2x=3x+15

subtract 3x from both sides

-1x=15

divide both sides by -1

x=-15

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Fill in the table of values so that this is a proportional relationship with k=3/2 X. Y. *blank*. 0 2. *blank*. *blank*. 6. -2.
xxTIMURxx [149]

Answer:

x => y

0 => 0

2 => 3

4 => 6

-2 => -3

Step-by-step explanation:

The equation of a proportional relationship is represented as y = kx,

where, k = y/x

We are given that k = ³/2

This means that, equation of the relationship therefore would be:

y = ³/2x

Use this equation to solve for each missing value on the table given:

✔️Where, y = 0, substitute y = 0 into y = ³/2x to find x:

0 = ³/2x

0 * 2 = 3x

0 = 3x

0/3 = x

x = 0

✔️Where, x = 2, substitute x = 2 into y = ³/2x to find y:

y = ³/2(2)

y = 3

✔️Where, y = 6, substitute y = 6 into y = ³/2x to find x:

6 = ³/2x

6 * 2 = 3x

12 = 3x

12/3 = x

x = 4

✔️Where, x = -2, substitute x = -2 into y = ³/2x to find y:

y = ³/2(-2)

y = -3

5 0
3 years ago
What happens when you subtract two negative numbers.
igomit [66]

Answer:

its still negative

Step-by-step explanation:

6 0
3 years ago
3 substracted from 9 times 2 and 5 is added​
anyanavicka [17]

Answer:

20

Step-by-step explanation:

It is because 9x2=18

3 subtracted from 18 is 15

15+5=20

please mark brainliest

8 0
2 years ago
What is the median of this data set?
USPshnik [31]

Answer:

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4 0
3 years ago
Read 2 more answers
If the cube root parent function is horizontally stretched by a factor of 4, then translated 5 units right and 3 units up, write
Gala2k [10]

Answer:

<u>The cube root parent function:</u>

  • f(x) = \sqrt[3]{x}

<u>Horizontally stretched by a factor of 4:</u>

  • g(x) → f(1/4x) = \sqrt[3]{1/4x}

<u>Translated 5 units right:</u>

  • h(x) → g(x - 5) = \sqrt[3]{1/4x - 5}

<u>Translated 3 units up:</u>

  • k(x) → h(x) + 3 = \sqrt[3]{1/4x - 5} + 3

5 0
3 years ago
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