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storchak [24]
3 years ago
10

8x-4y=-12 ,x=-3,-1,1

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0

Answer:

Step-by-step explanation:

54.08

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What is the area of an isosceles trapezoid, if its shorter base has length of 18 cm, the length of the altitude is 9 cm, and the
padilas [110]

The formula for the area of a triangle of base b and altitude h is A = (1/2)(b)(h).

Here, b = 18 cm and h = 9 cm.  Thus, the desired area is:

        (18 cm)(9 cm)

A = ----------------------- = 81 cm^2

                  2

This problem gives you more info than is needed to solve it.  The area of the given triangle is 81 cm^2.

5 0
3 years ago
Solve for x. Show each step of the solution. <br><br> 4(8-x)-32=98-5(3x+24)
Firlakuza [10]

Answer: x=−2

Step-by-step explanation:

Let's solve your equation step-by-step.

4(8−x)−32=98−5(3x+24)

Step 1: Simplify both sides of the equation.

4(8−x)−32=98−5(3x+24)

(4)(8)+(4)(−x)+−32=98+(−5)(3x)+(−5)(24)(Distribute)

32+−4x+−32=98+−15x+−120

(−4x)+(32+−32)=(−15x)+(98+−120)(Combine Like Terms)

−4x=−15x+−22

−4x=−15x−22

Step 2: Add 15x to both sides.

−4x+15x=−15x−22+15x

11x=−22

Step 3: Divide both sides by 11.

11x /11 = −22 /11

x=−2

8 0
2 years ago
The perimeter of a rectangular field is 374 yard. If the length of the field is 99 yards, what is its width?
likoan [24]
The perimeter of a rectangle is 2*L+2*W. Knowing that length is 99, we do 2*99 to get 198.Do 374-198, which is 176, we know that that is twice the length of the width. Therefore the width is 176/2, which is 88.
3 0
3 years ago
Read 2 more answers
Pls help me in this khan academy exercise
sweet-ann [11.9K]

Answer:

x= 180° - (103°+33°)

x= 180° - 136°

x= 44°

6 0
2 years ago
James won 9 out of 12 games in a school competition. What percent of competitions did James win
ratelena [41]
75% because 9/12 simplified is 3/4 which is 75%
5 0
3 years ago
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