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AlexFokin [52]
3 years ago
8

I only need help with the second part of this question. please can you help?

Mathematics
1 answer:
matrenka [14]3 years ago
4 0

13,822 to one significant figure is 10,000

623 to one significant figure is 600

14 to one significant figure is 10

10,000 times 600 = 6,000,000

6,000,000/10 = 600,000

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PLZZZZZ NEED HELP!!!!!!
Alisiya [41]
Answer is C. multiply by 3 - square root 5

using a^2 - b^2 = (a + b)(a - b)
4 0
3 years ago
Solve the equation. Show your work. 3x – 10 = 5x + 32
liq [111]

Answer:

-21 =x

Step-by-step explanation:

3x – 10 = 5x + 32

Subtract 3x from each side

3x-3x – 10 = 5x-3x + 32

-10 =2x +32

Subtract 32 from each side

-10 -32 = 2x+32-32

-42 = 2x

Divide each side by 2

-42/2 = 2x/2

-21 =x

4 0
3 years ago
Read 2 more answers
What of the expression of 8x8x8x8 and volume
svlad2 [7]
V=L×W×H
v=8×8×8×8

EXPRESSION-(8×8)×8 (×8
6 0
3 years ago
What is the surface area, in square centimeter, of the square pyramid?
AnnZ [28]
Surface area = 56 cm2

Explanation:

Area of square base = Side x Side = 4 x 4 = 16 cm2

Area of triangle = 1/2 x Base x Height = 1/2 x 4 x 5 = 10 cm2
Area of 4 triangles = 10 x 4 = 40 cm2

Surface area of pyramid = 16 + 40 = 56 cm2
6 0
2 years ago
Franklin rides his bike to the beach averaging 18mph. He rides home along the same route. What speed must he average on the way
Sedaia [141]
  • <em>Answer:</em>

<em> 24 mph</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>Vm = 21mph</em>

<em>V1 = 18mph</em>

<em>V2 = ?</em>

<em>Vm = (V₁ + V₂)/2</em>

<em>2Vm = V₁ + V₂</em>

<em>V₂ = 2Vm - V₁</em>

<em>replace Vm ; V₁</em>

<em>V₂ = 2×21mph - 18mph</em>

<em>= 42mph - 18mph</em>

<em>= 24 mph</em>

<em>Good luck !</em>

8 0
3 years ago
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