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aliina [53]
3 years ago
5

Can you pls help with these I really need help​

Mathematics
1 answer:
alukav5142 [94]3 years ago
6 0

Answer:

for question one - x = 12

Step-by-step explanation:

a triangle is always 180, in other words you will add all the corners equal to 180

ex (for first question) - 7x -2 + 4x + 5x - 10 = 180

you add like terms, the x with x and single numbers with numbers, which results in 16x - 12 = 180. then you do the original operation "what you do to one sign of the equal side you do to the other"

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What is the area of this shape? Show your work.
Anettt [7]
66.5 square centimeters.



Start by separating the figure into a triangle and a rectangle.

We know the base of the triangle is 7 cm, so find the height by subtracting the total height of the figure by the height of the rectangle. 11 cm - 8 cm = 3 cm

Now, find the area of each shape. The area of a rectangle is length (base) times width (height). This is 7 cm * 8 cm, or 56 cm^2.

Then, find the area of the triangle. The area of a triangle is base times height times 1/2. So, it is 7 cm * 3 cm * 1/2.

21 cm^2 * 1/2

10.5 cm^2

Finally, add the areas together. 56 cm^2 + 10.5 cm^2 = 66.5 cm^2
3 0
3 years ago
Please I really need help with these
MrRissso [65]

Answer:

Idk lol

Step-by-step explanation:

8 0
4 years ago
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4 years ago
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