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Kazeer [188]
2 years ago
14

Explain what you would do first to simplify the expression below. Justify why, and then state the result of performing this step

27.27 4+2​
Mathematics
1 answer:
liq [111]2 years ago
4 0

Answer:

33.27

Step-by-step explanation:

27.27 + (4 + 2)

You always perform the parenthesis first.

27.27 + 6

Then you add 6.

33.27

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If f(1) =160 and f(n+1) = -2f(n), what is f(4)?
Margarita [4]

Answer:

-1280.

Step-by-step explanation:

f(n + 1) = -2 f(n):

As  function of 1 = 160,  function of 2 = -2 * 160 = -320.

function of 3 = -320 * -2 =  640  and

= function of 4 = 640 * -2 = -1280.

4 0
2 years ago
PLEASE PLEASE PLEASE HELP ME!
Ghella [55]

Answer:

V of the solid = 40 in³

Step-by-step explanation:

volume of the first rectangular (on left)

l*w*h = 2*4*2=16 in³

volume of the rectangular (on the right)

l*w*h = 2*2*6=24 in³

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7 0
3 years ago
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I need the answer for this question
garri49 [273]

Answer:

The last pair are vertical.

Step-by-step explanation:

7 0
2 years ago
If the teacher has 30 students and 10% left,how much students does she have now
garri49 [273]

Answer:

She has 27 students now.

Step-by-step explanation:

Given :

The teacher has 30 students

10% students left.

To find : how much students does she have now?

Solution :

Since we are given that teacher has 30 students .

And 10% of students left

⇒ 10% of 30


⇒\frac{10}{100} *30


⇒\frac{300}{100}


⇒3


Thus, 3 students left .

She had 30 students . three students left.

So, now she have 30 - 3 = 27 students .

Hence she has 27 students now.


8 0
3 years ago
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