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Mamont248 [21]
3 years ago
15

Substituting y=-2 in the equation Solve the problem -2x+_____=-12

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
7 0
If b=-2 then -2x+-2 =-12 making x equal 5 ,5 times -2 equals -10 plus negative 2 equals -12
seraphim [82]3 years ago
7 0

Answer: x=5

Step-by-step explanation:

Assuming that you are using the variable "y" in the space (meaning I took your equation to be -2x+y=-12), you used the value of -2. This gives you -2x-2=-12. Wait! We can add -2 to both sides, which gives us -2x=-10. We can then divide -2 from both sides, which makes x stand alone, and the other side to be 5. Therefore x=5.

Remember that I am writing this solution assuming that you are using the variable "y" in the blank space with a co-efficient of 1.

I hope this helps. If my understanding is wrong, then comment below and I will give you the correct answer in no time :)

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When rotated about its center, a regular octagon has In addition to rotational symmetry, a regular octagon has symmetry rotation
Misha Larkins [42]

Answer:

The answer is D: 6 and 6

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP PLEASE HELP
Arlecino [84]

The values in the ordered pairs of a function are swapped to define its inverse. The appropriate choice is the one that looks like ...

... (-8, 5)

6 0
3 years ago
For right triangle ABC, find the sine ratio of angle θ.
Ket [755]

The sine ratio of angle θ is 4/5 because sin is the ratio to opposite to the hypotenuse.

<h3>What is a right-angle triangle?</h3>

It is a triangle in which one of the angles is 90 degrees and the other two are sharp angles. The sides of a right-angled triangle are known as the hypotenuse, perpendicular, and base.

We have a right angle triangle showing in a picture.

As we know, the sin is the ratio to opposite to the hypotenuse.

Sinθ = 4/5

Thus, the sine ratio of angle θ is 4/5 because sin is the ratio to opposite to the hypotenuse.

Learn more about the right angle triangle here:

brainly.com/question/3770177

#SPJ1

8 0
2 years ago
What is the area of a piece of plywood measuring 2 feet 8 inches long by 2 feet 4 inches wide? Give your answer in square inches
Kruka [31]

Given

piece of plywood measuring 2 feet 8 inches long by 2 feet 4 inches wide.

What is the area of a piece of plywood .

To proof

Here plywood shape in the form of rectangle.

Formula

Area of rectangle = Length×Breadth

As given in the question

Length =2 feet 8 inches

Breadth = 2 feet 4 inches

First convert feet into inches

1 feet = 12 inches

2 feet 8 inches = 2×12 + 8

                       =  32 inches

Also

2 feet 4 inches  = 2×12 +4

                          = 28 inches

put is in the above formula

Area of plywood = 32 ×28

                            = 896 inches²

Therefore option (b) is correct

Hence proved


8 0
3 years ago
Simplify <br>-1^3 <br>(-5)^2 ​
tigry1 [53]

Answer:

1. -1

2.25

Step-by-step explanation:

N A

8 0
3 years ago
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