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Bess [88]
3 years ago
12

Same solution as 2(x+4=-7-3x

Mathematics
1 answer:
Bas_tet [7]3 years ago
8 0

Answer:

x = -3

Step-by-step explanation:

2(x+4)=-7-3x

Distribute

2x+8 = -7-3x

Add 3x to each side

2x+3x+8=-7-3x+3x

5x +8 = -7

Subtract 8 from each side

5x+8-8 = -7-8

5x = -15

Divide each side by 5

5x/5 = -15/5

x = -3

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An abstract sculpture in the form of a triangle has a base 21 meters and a height of 12 meters. Find the are of the triangle.
charle [14.2K]
The area of a triangle could be determined using the following formula
\boxed{a= \frac{1}{2} \times b \times h}

plug in the numbers
a =  \frac{1}{2} \times 21 \times 12
a =  \frac{1}{2} \times 252
a= \frac{252}{2}
a = 126

The area of the triangle is 126 square meters
8 0
3 years ago
Ravi is running against two other candidates for student council president. All of the 750 students in Ravi's school will vote f
adell [148]

Answer:

50 students from each grade

Step-by-step explanation:

If we get the similar amount of people from each and every grade so this would represent the percentage occur from each grade this determine the number of people who vote per grade and represent that how much would the vote for student comes

Also 50 is easily divisible by 750

Therefore the above represent the answer

4 0
3 years ago
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romanna [79]

Answer:

10

Step-by-step explanation

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6 0
3 years ago
Read 2 more answers
A group of 4 people go out to eat. They split the bill so that each person pays 1/4 of the total price appetizers is $6 main dis
postnew [5]

Answer:

(6 + 9) / 4

Step-by-step explanation: you have to add the costs of the appetizers and the main dish ( 6 + 9 ). then you have to divide the sum by 4 since there are 4 people in total ( /4 ).

3 0
3 years ago
On a coordinate plane, how are the locations of the points (1 , -7) and (1 , 7) related?
yan [13]

Answer:

D. Reflection across x-axis

Step-by-step explanation:

When plotting the two points & then connecting the dots, it will not touch y-axis at all - it will be straight line and cross x axis

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