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3 years ago

126X8What is the length of the side x?

Mathematics

1 answer:

JulijaS [17]3 years ago

7 0

What are you looking for ? ... the area ??

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An adult blue whale can eat 4.0 x 10' krill

kotykmax [81]

Ratio=4.0 *10⁷ Krill / day
amount of krill=ratio * days
amount of krill=(4.0*10⁷ Krill /day)(3.65*10² days)=1.46*10¹⁰ krill

Answer: 1.46*10¹⁰ krill

3 0

2 years ago

Alex needs to varnish the top And the bottom of a dozen rectangular wooden planks planks are 8 feet long and 3 feet wide each pi

meriva

Answer:

It will cost approximately $16.12 to varnish all the wooden planks.

Step-by-step explanation:

We are given the following in the question:

Number of rectangular planks = 12

Dimension of the rectangular wooden plank:

Length = 8 feet

Width = 3 feet

Area covered by I bottle of varnish = 125 Square feet

Cost of 1 bottle of varnish = 3.50 units

Area of 1 rectangular plot =

$A = \text{Length}\times \text{Width}\\A = 8\times 3\\A = 24\text{ square feet}$

Total area to be covered by varnish =

$= \text{Area of 1 plank}\times 12\times \text{Top area and bottom area}\\=24\times 12\times 2\\=576$

Number of varnish bottles required =

$n = \dfrac{\text{Total area}}{\text{Total area covered by 1 varnish bottle}} = \dfrac{576}{125} = 4.608$

Cost of varnishing =

$=\text{Cost of 1bottle of varnish}\times \text{Number of varnish bottles}\\=4.608\times 3.50\\=\$16.12$

Thus, it will cost approximately $16.12 to varnish all the wooden planks.

6 0

2 years ago

If Coach White coaches, the probability of being goalie is 0.55.

weeeeeb [17]

Answer:

49% probability that Mitchell will be a goalie today

Step-by-step explanation:

If Coach White coaches, the probability of being goalie is 0.55.

Coach White has a 70% probability of coaching.

If Coach Jackson coaches, the probability of being goalie is 0.35.

Coach Jackson has a 100-70 = 30% probability of coaching.

What is the probability that Mitchell will be a goalie today?

This is 55% of 70% plus 35% of 30%

Then

P = 0.55*0.7 + 0.35*0.3 = 0.49

49% probability that Mitchell will be a goalie today

5 0

3 years ago

Kyle is buying a $220 bicycle. If the bicycle is on sale for 35% off, how much will he save?

Mrac [35]

Answer:

Step-by-step explanation:

Discount = 35% of 220

$= \dfrac{35}{100}*220\\\\= 7 * 11$

= $ 77

Amount saved =$ 77

8 0

2 years ago

Riding a proportion of 15 is 1 and a half percent of what number

skad [1K]

Answer:

1000

Explanation:

15=1.5%

1000=100%

10=1%

not really much of an explanation, but i hope you get what i mean by that

7 0

2 years ago

126X8What is the length of the side x?​

126X8What is the length of the side x?