1 year ago

Find the number that makes the ratio equivalent to 4:5. 28:_

Mathematics

1 answer:

Olin [163]1 year ago

3 0

Answer:

Step-by-step explanation:4*7=28

Therefore 5*7=35

28:35= 4:5

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Estimates of the number of cells in the human body vary over an order of magnitude. Indeed, the precise number varies from one

Amiraneli [1.4K]

Answer:

a) 2.00 × 10¹⁰; b) 2.00 × 10¹³

Step-by-step explanation:

a) No. of cells in 1 cm³

$\text{No. of cells} =\text{1 cm}^{3} \times\left( \dfrac{\text{1 m}}{\text{100 cm}}\right )^{3} \times \left (\dfrac{1 \, \mu \text{m} }{10^{-6}\,\text{ m}}\right )^{3} \times \dfrac{\text{1 cell}}{\text{50 $\,\mu$m}^{3}} = \mathbf{2.00 \times 10^{10}} \textbf{ cells}$

b) No. of cells in 1 L

$\text{No. of cells} = \text{1 L} \times \dfrac{\text{1000 cm}^{3}}{\text{1 L}} \times \dfrac{2 \times 10^{10} \text{ cells}}{\text{1 cm}^{3}} = \mathbf{2.00 \times 10^{13}} \textbf{ cells}$

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3 years ago

-6 (x + 3) =6 <br> distributive property btw

Basile [38]

The answer to -6(x+3)=6 is x= -4

8 0

3 years ago

Question 1:

Roman55 [17]

Answer:

1. x=7

2.x=6

3.x= -1/2

4.x=3

5.x=-18

6.x= -8/5

7. x=60

8. x=-3

9. x=3

10. x=0

Step-by-step explanation:

did them as fast i could

3 0

3 years ago

Read 2 more answers

Please help will give brainliest.

timama [110]

Answer:

13 petunias

Step-by-step explanation:

13x7=91

9x8=72

add them and you get 163

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2 years ago

A mountain climber climed down 20 feet at a time he did this 5 times in one day what was tge overall change in his elevation

AfilCa [17]

Answer:

- 100

Step-by-step explanation:

20 x 5 = 100

It's -100 because he's going down

8 0

1 year ago