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IgorC [24]
3 years ago
15

Hedi adds 5 to a number, then multiples the sum by negative 2. The

Mathematics
1 answer:
Sophie [7]3 years ago
7 0

Answer:

x=-8

Step-by-step explanation:

Let's say that the number is x. Hedi adds 5 to the number, then multiplies its sum by -2. The result is 6. Writing this out as an equation:

-2(x+5)=6

So now we solve for x. First, we divide both sides by -2, giving us:

x+5 = -3

Then, to finish the problem, we subtract 5 from both sides:

x=-8

Thus, the number Hedi started with was -8

Hope this helps!

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grandymaker [24]

Answer:

  rotation 90° CW about the origin we defined

Step-by-step explanation:

The image has the same orientation (clockwise order of vertices) as the pre-image, so an even number of reflections is involved. These cannot be reflections across the x- or y-axes. The longest edge has an east-west orientation in the pre-image and a south-north orientation in the image. Any reflections must have a net effect of a rotation 90° CW.

Equivalently, the image is rotated 90° clockwise from the pre-image.

With a suitable choice of center of rotation, the image can be obtained with a single 90° CW rotation transformation.

If we define the lower left corner of the pre-image as having coordinates (-1, 2), then a 90° CW rotation about (0, 0) will yield the image.

3 0
3 years ago
What is the satisfy the equation y=x+1/2
miss Akunina [59]

Answer:

J

Step-by-step explanation:

If you connect the dots, and extend the line outwards- you can see the values match to J. Also, if you plug the x values into the equation, you'd get the y values in j.

y = x + 1/2

6 1/2 = 6 + 1/2

etcetera

I hope this helped!

6 0
3 years ago
What number must be added to 36 to obtain −17?
leonid [27]
That would be 36 + -53 = -17 is -53
3 0
3 years ago
Find the value of x.
Naddik [55]

Answer:

x = 27

Step-by-step explanation:

(whole secant) * (external part) = (tangent)^2

(x+48)* 48 = 60^2

(x+48)* 48 = 3600

Divide each side by 48

x+48 =75

Subtract 48 from each side

x = 75-48

x=27

3 0
4 years ago
HELP MATH ASAP! MARKING BRANLIST
qwelly [4]

Answer:

-4/3

Step-by-step explanation:

Use the slope formula:

\frac{y2-y1}{x2-x2}

-4 - 12/ 13 - 1

-16/12

Simplifies to -4/3

8 0
3 years ago
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