I need help!! 13 points

Mathematics

2 answers:

elena55 [62]3 years ago

8 0

8/15 good luck jit gggggggggggg

kupik [55]3 years ago

6 0

Answer: 8/15

<u>Step-by-step explanation:</u>

Vertical: there are 4 shaded squares out of 5 total squares → 4/5

Horizontal: there are 2 shaded squares out of 3 total squares → 2/3

$\dfrac{4}{5}\times \dfrac{2}{3}\quad =\large\boxed{\dfrac{8}{15}}$

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Suppose a person eats 2000 food calories on average per day. Note that 1 calorie= 4.184 joules and a food calorie = 1000 calorie

Crazy boy [7]

Answer: $0.097\text{\ J/s}$

Step-by-step explanation:

Given : 1 calorie= 4.184 joules

A food calorie = 1000 calories = 4184 joules.

Then, 2000 food = $2\times4184=8368$ joules [By Unitary method]

We know that : $\text{Power}=\dfrac{\text{Energy}}{\text{Time}}$

Since 1 day = 24 hours

and 1 hour = 3600 seconds

Then, 24 hours = $24\cdot3600=86400$ seconds.

Now, $\text{Power}=\dfrac{8368}{86400}$

$=0.0968518518519\approx0.097\text{\ J/s}$

Hence, the average power of this intake = $0.097\text{\ J/s}$

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3 years ago

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dimaraw [331]

Answer:

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3 years ago

Solve the proportion for n.<br> 1260/20=n/1

zzz [600]

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Step-by-step explanation:

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3 years ago

Pls help i will give brainliest