3 years ago

In ΔCDE, the measure of ∠E=90°, the measure of ∠C=83°, and DE = 8.6 feet. Find the length of EC to the nearest tenth of a foot.

1 answer:

5 0

Answer: 122.4

Step-by-step explanation:

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sukhopar [10]

In its exact form 5/21

5 0

3 years ago

Rasek [7]

Just divide 100% by 80% and multiply that answer by 5. I'm pretty sure that's how you do it.

8 0

3 years ago

gulaghasi [49]

Answer:

B = 0.95m + 29.95

Step-by-step explanation:

this is really y = mx + b

m is a rate, 0.95 per mile

b is the y-intercept, or the price you pay no matter what, 29.95

8 0

3 years ago

777dan777 [17]

Step-by-step explanation:

Given the expression:

$2.5( \frac{8.6}{2} ) - 1.8$

Follow BODMAS rule.

always evaluate brackets first, followed by multiply or division then addition or subtraction from LEFT to RIGHT.

$2.5( \frac{8.6}{2} ) - 1.8 \\ = 2.5(4.3) - 1.8 \\ = 10.75 - 1.8 \\ = 8.95$

3 0

3 years ago

dlinn [17]

Slope = (-6 - 3)/(1+2) = -9/3=-3
y - 3 = -3(x +2)
y - 3 = -3x - 6
3x + y = -3
answer is 3x + y = -3 (third one)

7 0

3 years ago