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Mamont248 [21]
3 years ago
10

Explain step by step ​

Mathematics
2 answers:
Anastaziya [24]3 years ago
4 0
(54-4)(54+4)
(54)^2 -54(4) +54(4) -(4)^2
54^2+0-4^2
54^2-4^2
D is the answer
Neko [114]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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The temperature in the Arctic Circle at 9:00am was 22.8° below zero. By 6:00pm on the same day, the temperature had decreased by
rosijanka [135]
4.65 is the new temperature.
8 0
3 years ago
Find the Surface Area of the prism pleese
Alina [70]

Answer:

I'm unsure of the answer but here's how to solve it yourself :)

Step-by-step explanation:

area of a prism is obtained by taking the sum of (twice the base area) and (the lateral surface area of the prism). The surface area of a prism is given as S = (2 × Base Area) + (Base perimeter × height) where "S" is the surface area of the prism.

5 0
2 years ago
The answer is 48 can someone explain how?
mestny [16]

Answer:

<h2>48</h2>

Step-by-step explanation:

(1)

apple × apple × 2apple = 54

2apple³ = 54    <em>divide both sides by 2</em>

apple³ = 27 → apple = ∛27

apple = 3

(2)

apple + apple × green_apple = 24   <em>substituite apple = 3</em>

3 + 3 × green_apple = 24        <em>subtract 3 from both sides</em>

3 × green_apple = 21         <em>divide both sides by 3</em>

green_apple = 7

(3)

strawberry - bannana - banana = 0 → strawberry = 2banana

(4)

strawberry + banana + cherry = 24     <em>substitute from (3)</em>

2banana + banana + cherry = 24

3banana + cherry = 24

(5)

apple + banana - cherry = -1          <em>substitute apple = 3</em>

3 + banana - cherry = -1         <em>subtr3 from both sides</em>

banana - cherry = -4

Add both sides of (4) and (5)

 3banana + cherry = 24

<u>+banana - cherry = -4       </u>

4banana = 20       <em>divide both sides by 4</em>

banana = 5

Substitute it to (4):

3(5) + cherry = 24

15 + cherry = 24      <em>subtract 15 from both sides</em>

cherry = 9

Substitute to the last equation:

3 + 5 × 9 = 3 + 45 = 48

/USED PEMDAS/

7 0
3 years ago
leroy is calculating the probability of rolling a regualr 6-sided die and flipping a coun. He wants to know the probability if r
fomenos

Answer:

To roll the 4 is 1/6 and landing heads twice is 1/4 and 1/6 x 1/4 and the probability of him doing that would be 0.04166666666% chance

Step-by-step explanation:

3 0
3 years ago
I need help on questions two lol pls help me
aksik [14]
1. (8/9)/4

8/9 * 1/4 = 8/36= 2/9 paint for each birdhouse

2. ron 1 mile every 20 minutes so 3 mph

1 mile every 24 minutes so ron is the faster walker
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2 years ago
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