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vodka [1.7K]
3 years ago
6

X+3=15 what’s x because I keep on getting 18 and it says I’m wrong on Pearson

Mathematics
2 answers:
icang [17]3 years ago
8 0

Answer:

x = 12

Step-by-step explanation:

Subtract 3 from both sides

p.s. it would be 18 if it was x-3 = 15

Oksi-84 [34.3K]3 years ago
8 0

Answer:

12

Step-by-step explanation:just subtract the 15 by 3

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Perform the indicated operation and simplify the result.
Finger [1]

Answer:

7/ (3a-1)

Step-by-step explanation:

3a^2 -13a +4        28+7a

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9a^2 -6a+1         a^2 -16

Factor

(3a-1)(a-4)           7(4+a)

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(3a-1) (3a-1)        (a-4)(a+4)

Cancel like terms

1                    7

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3 years ago
Can someone please help me???
Pavel [41]

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What is the solution to −2x+8≥4?

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2 years ago
Help pure people pls
Sedaia [141]

Answer:

Option (B). Perimeter of the quadrilateral ABCD= 14.6 units

Step-by-step explanation:

From the figure attached,

Coordinates of the vertices are A(3, 5), B(1, 3), C(3, -1), D(5, 3).

Length of AB = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}

                      = \sqrt{(3-1)^2+(5-3)^2}

                      = \sqrt{8}

                      = 2.83 units

Length of AD = \sqrt{(3-5)^2+(5-3)^2}

                      = \sqrt{8}

                      = 2.83 units

Length of BC = \sqrt{(1-3)^2+(3+1)^2}

                      = \sqrt{20}

                      = 4.47 units

Length of DC = \sqrt{(5-3)^2+(3+1)^2}

                       = \sqrt{20}

                       = 4.47 units

Perimeter of the quadrilateral = AB + AD + DC + BC

                                                 = 2.83 + 2.83 + 4.47 + 4.47

                                                = 14.6 units  

Option (B) is the answer.

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3 years ago
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