3 years ago

Help, pls. practice tests are hard

Mathematics

1 answer:

Grace [21]3 years ago

8 0

The arrow goes to the left open circle on 3.

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Please help! I'm giving branniest for the correct answer! (SHOW WORK)

scoray [572]

Answer:

102

Step-by-step explanation:

it's a parallelogram so it's BxH

A = 15x8 = 120

inside rectangle A is LxW

6x3 = 18

subtract the inside from the outside

120-18 = 102

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3 years ago

Whats 3/8 + 3 7/12=?

kow [346]

Answer:

3.95833333333

Step-by-step explanation:

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3 years ago

A line with a slope of -2 passes through the points (0,d) and (-8,9). What is the value of d?

Verizon [17]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have m = -2 and the points (0, d) and (-8, 9). Substitute:

$\dfrac{9-d}{-8-0}=-2\\\\\dfrac{9-d}{-8}=-2\qquad\text{multiply both sides by (-8)}\\\\9-d=16\qquad\text{subtract 9 from both sides}\\\\-d=7\qquad\text{change the signs}\\\\\boxed{d=-7}$

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3 years ago

PLS ANSWER <br> AND I WILL MARK AS BRAINLIST

Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

Use PEMDAS to complete this equation properly. 3^2 = 9, 2^3 = 8. 9*8= 72..

Brainliest would be appreaciated! :-)

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2 years ago

Help my sister with question 11, 12, and 12 Please

fenix001 [56]

11 is 4.5 feet and 12 is 11.71 miles

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3 years ago