2 years ago

Which expression is equivalent to −3/4 (1/2x+1/3)?

Mathematics

1 answer:

Pavlova-9 [17]2 years ago

6 0

Answer: -3x/8 - 1/4

Hope this helps, good luck!

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True or false: 4 (2x + y + 6) is equivalent to 8x + 4y + 24. A true B false

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Answer:

A) true

Step-by-step explanation:

when you use the distributive property with the equation 4(2x + y + 6) you get 8x + 4y + 24

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3 years ago

Find the area of the circle given the following information. Give the exact answer and an approximation to the nearest tenth.

SpyIntel [72]

A = 3.14 x r^2
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Find the area of the following polygon:

Masja [62]

Given:

ABCD is a quadrilateral

AC = 12, DE = 4 and FB = 5

To find:

The area of the polygon.

Solution:

AC bisects the quadrilateral into two triangles.

Area of triangle:

$$A=\frac{1}{2}\times\text{base}\times\text{height}$

Area of triangle DAC:

$$A=\frac{1}{2}\times AC \times DE$

$$A=\frac{1}{2}\times 12 \times 4$

$A=24$

Area of triangle DAC = 24 square units.

Area of triangle BAC:

$$A=\frac{1}{2}\times AC \times FB$

$$A=\frac{1}{2}\times 12 \times 5$

$A=30$

Area of triangle BAC = 30 square units.

Area of polygon = Area of triangle DAC + Area of triangle BAC

= 24 square units + 30 square units

= 54 square units

The area of the polygon is 54 square units.

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3 years ago

The temperature in the morning was -3.The temperature dropped 11 degrees by night. What was the temperature at night ?

Pachacha [2.7K]

Answer:

The temperature was -14 degrees.

Step-by-step explanation:

The word "dropped" indicates that one has to subtract to the result. -3 - 11 is -14.

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Step-by-step explanation:

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3 years ago

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