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Romashka-Z-Leto [24]
3 years ago
6

How to find base area

Mathematics
2 answers:
ad-work [718]3 years ago
7 0
1) surface area = 18m^2 * pi * 26m = <span>8424pi m^2</span>
Tanzania [10]3 years ago
7 0
Pi multiplied by radius squared
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Will mark as brainliest
lapo4ka [179]

Answer:

-1 + 2 = 1

1 + (-2) = -1

-1 - 2 = -3

1 - (-2) = 3

Step-by-step explanation

When you subtract use keep change change

Rule 1 when you add : If the signs are the same add the numbers and take the sign of the bigger number.

Rule 2 when you add : If the signs are different subtract the numbers and take the sign of the bigger number.

I wanted to help you understand and i hope i did that!

8 0
3 years ago
joanna went school supply shopping she spent $35.98 on notebooks and pencils notebooks cost $2.30 each and pencils cost $1.42 ea
Mumz [18]

Joanna bought 7 notebooks and 14 pencils

Step-by-step explanation:

Step 1 :

Let x denote the number of notebooks and y denote the number of pencils Joanna bought.

Cost of one notebook = $ 2.30

Cost of one pencil = $1.42

Step 2 :

Total of notebooks and pencils bought  = 21

=> x + y = 21 => y = 21-x

Total cost of notebooks and pencils = $35.98

=> 2.3x + 1.42y = 35.98

Substituting y = 21- x here , we have,

2.3x + 1.42 ( 21-x) = 35.98

2.3x + 29.82 - 1.42x = 35.98

0.88 x = 6.16

=> x = 7

y = 21-x = 21-7 = 14

Step 3 :

Answer :

Joanna bought 7 notebooks and 14 pencils

6 0
3 years ago
II. Let f(x) = 9 – x , g(x) = x2<br> + 4, and h(x) = x – 2. Compute the following:<br> 7. g(f(12))
Alex17521 [72]
G(f(12))
f(12) = 9 - 12 = -3
g(-3) = (-3)^2 + 4 = 9 + 4 = 13
4 0
3 years ago
What is y=2x? (its in the mathematics Georgia book)
skelet666 [1.2K]
The answer would be X=1/2y
3 0
3 years ago
WARNJNG ⚠️⚠️ just help me please
marta [7]
(4)3 is also the same thing as 4x3 which is 12n
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2 years ago
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