3 years ago

Help me outttt !!!!!!!

Mathematics

1 answer:

baherus [9]3 years ago

8 0

Answer:

its 3rd choice lol

Step-by-step explanation:

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5/2x+1 + 8/2x+1, x≠-1/2

svet-max [94.6K]

$\frac{5}{2x + 1} +\frac{8}{2x + 1}$

$= \frac{5 + 8}{2x + 1}$

$= \frac{13}{2x + 1}$

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3 years ago

Which of the following is not a

mamaluj [8]

B 7/8 shows division, not multiplication

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3 years ago

5. Distribute the expression -2(v-10)

mrs_skeptik [129]

Answer: -2v-20

Step-by-step explanation: -2 times v is -2v

and -10 times -2 is -20.

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3 years ago

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5(3x + 9) – 2x = 15x – 2(x - 5)

Delvig [45]

Answer:

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Step-by-step explanation:

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3 years ago

Determine the area of the triangular ABC with AC=5cm and height DB=30 mm.<br>

Lady_Fox [76]

Answer:

750 mm²

Step-by-step explanation:

<h3>Area of triangle:</h3>

To find the area of the triangle, multiply the base and height and then divide the result by 2.

$\sf \boxed{\bf Area \ of \ triangle = \dfrac{1}{2}*base *height}$

base = AC = 5 cm = 50 mm

height = DB = 30 mm

$\sf = \dfrac{1}{2}*50*30\\\\= 25 *30\\\\= 750 \mm^2$

7 0

2 years ago