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3 years ago

Somebody please help!! pleaseeee

Mathematics

2 answers:

Stolb23 [73]3 years ago

4 0

D...................

Charra [1.4K]3 years ago

4 0

Answer:

Your answer is D 4&8

Step-by-step explanation:

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Clare sketches a rectangular prism with a height of 11 and a square base and labels the edges of the base 8. She asks Han what h

Nady [450]

Answer:

yes

Step-by-step explanation:

Volume of rectangular prism = area of base x height

If the base is square with edges of 8, then area of base = 8 x 8 = 64

Therefore, volume = 64 x 11 = 704 units³

If the edges of the base are tripled, then an edge = 8 x 3 = 24

Therefore, the area of the base = 24 x 24 = 576

So volume = 576 x 11 = 6336 units³

Divide new volume by initial volume = 6336 ÷ 704 = 9

So yes, Han is right as the new volume is 9 times bigger.

3 0

2 years ago

NO LINKS!!! PLEASE HELP!!

crimeas [40]

Answer:

stay calm

Step-by-step explanation:

stay calm

8 0

3 years ago

Evaluate 1+(-2/3)-(-m)where m = 9/2

slava [35]

Answer:

29/6

Step-by-step explanation:

The expression that we have to evaluate in this problem is

$1+(-\frac{2}{3}) -(-m)$

for $m=\frac{9}{2}$ .

First of all, we re-arrange the expression. We know that:

- The product of a positive number (+) and a negative number (-) is negative (-)

- The product of a negative number (-) and a negative number (-) is positive (+)

So we can rewrite the expression as

$1-\frac{2}{3}+m$

Also, we can combine the two numerical terms:

$1-\frac{2}{3}=\frac{3}{3}-\frac{2}{3}=\frac{1}{3}$

Therefore the expression becomes

$\frac{1}{3}+m$

Now we can substitute $m=\frac{9}{2}$ , and we find:

$\frac{1}{3}+\frac{9}{2}=\\\frac{2}{6}+\frac{27}{6}=\\\frac{2+27}{6}=\frac{29}{6}$

8 0

4 years ago

the circumference of the circle shown below is 54 centimeters. which expression gives the length in centimeters of XY?

g100num [7]

Answer:

The correct option is C

Step-by-step explanation:

Given the circumference of circle which is 54 cm and also the measure of arc XY is 120°

we have to find the expression for arc length of XY

The arc length can be calculated by the formula

$\frac{\theta}{360}\times 2\pi r$

$\frac{\theta}{360}\times circumference$

$\frac{120}{360}\times 54$

Hence, option C is correct

4 0

3 years ago

Read 2 more answers

What is the hypothenuse of a right triangle with bases 13cm and 5cm?

NikAS [45]

To find the hypothenuse use Pythagorean theorem: 13²+5²=h²,
h=√13²+5²=13.93cm = hypothenuse.

5 0

3 years ago