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hodyreva [135]
2 years ago
5

Please no files or links and your works

Mathematics
1 answer:
Vikentia [17]2 years ago
4 0

Answer:

17: 25in²

18. 53m²

19. 21.6cm²

20. 20.8km²

Step-by-step explanation:

Formula for area of a parallelogram

Area = Base Length x Height

For 17

Given Base Length: 5 in

Given Height: 5 in

( Using the formula stated above ) area = 5 * 5 = 25

Hence the answer to #17 is 25in²

For 18

Given Base Length: 10 m

Given Height: 5.3 m

( Using the formula stated above ) area = 5.3 * 10 = 53

Hence the answer to #18 is 53m²

For 19

Given Base Length:  5.4 cm

Given Height: 4 cm

( Using the formula stated above ) area = 5.4 * 4  = 21.6

Hence the answer to #19 is 21.6cm²

For 20

Given Base Length: 5.2 km

Given Height: 4 km

( Using the formula stated above ) area = 5.2 * 4 = 20.8 km

Hence the answer to #20 is 20.8km²

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To find this answer, we must first find the percentage of batteries that are defective. We can do this by dividing 3 by 500.

3 / 500 = 0.006

So our percentage of defective batteries is 0.6%.

Now, to find out how many defective batteries would be in a batch of 12000, we just need to multiply the constant (percentage of defective batteries) by the amount in the new batch.

12000 * 0.006 = 72

In a shipment of 12,000 batteries, 72 will be defective, so the correct answer choice would be B.
Hope that helped =)
5 0
3 years ago
Can you please explain how to solve this?
BlackZzzverrR [31]

Answer:

18

Step-by-step explanation:

hello,

as this is a parallelogram we can write that BE = DE so

15x + 4 = 9x + 6

<=> 15x - 9x + 4 = 6

<=> 6x = 6 - 4 = 2

<=> x = 2/6 = 1/3

so BE = DE = 15/3+4=5+4=9

so BD = BE + DE = 9 + 9 = 18

the correct answer is 18

hope this helps

7 0
3 years ago
Tommy has a pet monkey. Every day, his monkey eats 4 apples in the morning. The monkey also eats two bananas for every banana th
Licemer1 [7]

Answer:

Step-by-step explanation:

Let x represent the number of bananas that Tommy eats.

Let y represent the total number of pieces of fruit that the monkey eats.

Every day, his monkey eats 4 apples in the morning. The monkey also eats two bananas for every banana that tommy eats. This means that the number of bananas that the monkey eats is 2x. The expression for the total number of fruits eaten by the monkey becomes

y = 2x + 4

4 0
3 years ago
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Step-by-step explanation:

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3 years ago
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