3 years ago

Can someone please help me if possible Thank you ❤

Mathematics

1 answer:

uysha [10]3 years ago

6 0

I think it's b ... :0

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Find the unit rate in each situation below in miles per hour.

sveticcg [70]

B. Is the correct answer

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3 years ago

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Mr. Fat needs 20 minutes to eat a pound of cereal, while Mr. Thin needs 30 minutes. If they eat together, how long does it take

marishachu [46]

36 minutes.

(1/20)x+(1/30)x=1solve for x (x=0.8333333333......)
Considering they take the same times for all 3 pounds,
That would mean that since 1 pound takes 12 minutes, then 3 pounds take 36 minutes

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4 years ago

A homeowner puts a passcode-enabled lock on her front door. To choose a passcode, she must choose a number, a letter from a list

Daniel [21]

Answer:

500

Step-by-step explanation:

I assume each number is from 0 to 9. Also there are 5 letters.

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3 years ago

Can someone help me please

arlik [135]

Answer:

w = 2.1

Step-by-step explanation:

5w + 9.2 = 19.7

5w + 9.2 - 9.2 = 19.7 - 9.2

5w = 10.5

5w / 5 = 10.5 / 5

w = 2.1

Here is the check:

5w + 9.2 = 19.7

5(2.1) + 9.2 = 19.7

10.5 + 9.2 = 19.7

19.7 = 19.7

3 0

3 years ago

Which of the following expressions could represent how many health points the spell restores when Eiko is wearing the magic ring

Dmitriy789 [7]

1. Without the ring Eiko healing spell restores H health points. This is 100%. After wearing the magic ring her power is increased by 30% and became X. Use proportion

H - 100%

X - 100%+30%=130%

to find X:

$\dfrac{H}{X}= \dfrac{100}{130},\\ \\100\cdot X=H\cdot 130,\\ \\X=\dfrac{130H}{100}.$

This is answer form option B.

2. If without the ring Eiko healing spell restores H health points, then you can treat H as the whole 1·H. After wearing the magic ring her power is increased by 30%, that is $\dfrac{30}{100}=\dfrac{3}{10}$ from 1. Now with the ring Eiko healing spell restores $\left(1+\dfrac{3}{10} \right)H$ health points. This is answer C.

Answer: correct options are B, C.

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3 years ago

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