2 years ago

Can someone help me with these questions?

1 answer:

Maslowich2 years ago

8 0

4.334, just use your calculator

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yan [13]

-5x + 2y - 4 = 0

= 5x - 2y + 4 = 0

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3 years ago

AnnyKZ [126]

The answer is 3 1/2 or in decimal form it is 3.5

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3 years ago

Ad libitum [116K]

Answer:

D) 171 cm²

Step-by-step explanation:

You don’t actually need to decompose it. You could just do it as a trapezoid:

(15+23)/2=19

19x9=171

If you want to decompose it into 2 triangles and a rectangle:

10=15x9=135

1/2(3)(9)=13.5

1/2(5)(9)=22.5

135+13.5+22.5=171 also

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3 years ago

Mademuasel [1]

Check the picture below

notice, using the 30-60-90 rule, since that triangle is a 30-60-90 triangle, we get 11 = 2x

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3 years ago

Annette [7]

Answer:

1,6 and 6,6

Step-by-step explanation:

since they are on the same y-axis, changing the x-value shouldn't matter.

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3 years ago