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3 years ago

Pls help me answer this it's due today

Mathematics

2 answers:

kvv77 [185]3 years ago

6 0

Answer:

I think its 21 But if its times then its 240

Step-by-step explanation:

Hope this helped

Sonbull [250]3 years ago

4 0

Answer:

120

Step-by-step explanation:

formula for volume is area×height

v=1 /2b×h×l

v=1/2×5×4×12

v=2.5×4×12

v=10×12

$v= {120cm}^{3}$

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AVprozaik [17]

Answer:

Perimeter is 17.07

Step-by-step explanation:

We know that DF = EF = 5 cm, since D and E are the midpoints of AC and AB, both of which are 10 cm in length.

We need to use the Pythagorean theorem to get the length of DE.

$DE = \sqrt{5^{2} +5^{2}}=\sqrt{50} = 7.07\\$

So the perimeter of DEF is 5 + 5 + 7.07 = 17.07

5 0

3 years ago

PLEASE I NEED HELP WITH BOTTOM PART WILL MARK BRAINLIEST!!

kipiarov [429]

Answer:

13.

parallel: y = 1/3x -3

perpendicular: y = -3x - 3

14.

parallel: y = 4x - 1/2

perpendicular: y = -1/4x - 1/2

15.

parallel: y = -2x + 4

perpendicular: y= 1/2x + 4

16.

parallel: y = -2x-2

perpendicular: y= 1/2x-2

17.

parallel: y = -2x+8

perpendicular: y= 1/2x + 8

Step-by-step explanation:

A perpendicular has a negative reciprocal slope and a parallel has the same slope

6 0

3 years ago

Read 2 more answers

Complete each statement in the steps to solve x2 – 4x + 3 = 0 using the process of completing the square.

My name is Ann [436]

(x - 3)(x - 1)

x = 3
or
x = 1

8 0

4 years ago

What is the price per pound of watermelon? A. $0.25 B. $0.75 C. $1.40 D. $7.50

Salsk061 [2.6K]

The answer is A $.025

6 0

2 years ago

Read 2 more answers

Which is closest to the volume of a cylinder with a height of 11 inches and

Veseljchak [2.6K]

Answer:

The closest to the volume of cylinder is 63 in.³.

Step-by-step explanation:

Given:

Cylinder with a height of 11 inches and a circumference of 8 1/2 inches.

Now, to find the volume.

As circumference is given we get the radius by putting formula:

Circumference = 8 1/2 inches = 17/2 inches.

Let the radius be $r.$

$Circumference=2\pi r$

Taking the value of π = 3.14.

$\frac{17}{2}=2\times 3.14\times r$

$8.5=6.28\times r$

Dividing both sides by 6.28 we get:

$1.35=r$

So, radius = 1.35 inches.

Height = 11 inches.

Now, putting the formula to get the volume:

$Volume=\pi r^2h$

$Volume=3.14\times 1.35^2\times 11$

$Volume=3.14\times 1.8225\times 11$

$Volume=3.14\times 20.0475$

$Volume=62.949\ inches^3$

Hence, the volume of cylinder = 63 inches³ (approximately).

Therefore, the closest to the volume of cylinder is 63 in.³.

4 0

3 years ago

Pls help me answer this it's due today​

Pls help me answer this it's due today