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Mkey [24]
3 years ago
8

A rock-climbing gym charges nonmembers $18 per

Mathematics
2 answers:
Dmitrij [34]3 years ago
5 0

Answer:

20 days.

25d=400+5d

20d=400

d=400/20=20

d= 20 days

zimovet [89]3 years ago
3 0
20 days is the correct answer
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If you eat a diet with 2,000 kilocalories and 45 percent of those calories come from protein, about how many grams of protein di
jekas [21]

The amount of Protein intake is 900 kilocalorie.

We have - 2000 Kilocalories of diet and 45 Percent of calories come from Proteins.

Wе have to find out the amount of protein intake.

<h3>If ' x ' students out of total ' n ' students in a class are infected by virus. Then, what percentage of students are infected.</h3>

Percentage of students affected are -  \frac{x}{n} \times 100

In the question given -

Let the amount of Protein intake be y.

Then -

45 = y % of 2000

45 = \frac{y}{2000} \times100

y = \frac{45\times2000}{100}

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Hence, the amount of Protein intake is 900 kilocalorie.

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7 0
2 years ago
Are the ratios 2.5:3.5 and 5:7 proportional? explain
yuradex [85]
\frac{2.5}{3.5}=\frac{2.5 \times 2}{3.5 \times 2}=\frac{5}{7}

They are the same fraction, so they are proportional.
3 0
3 years ago
What is the area of this parallelogram? A=31 ½Ft²<br> A = 35 ft²<br>A = 47½ ft²<br> A = 66 ½ ft²​
Phoenix [80]

Answer:

A= 47 1/2

Step-by-step explanation:

3 0
2 years ago
There are 4 white marbles and 6 blue marbles in a bag. Jamie will randomly pick two marbles out of the bad without replacing the
zepelin [54]

Step-by-step explanation:

Total marbles = 10

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8 0
3 years ago
What is the value of 4 x minus 7 when x = 4?191623
katen-ka-za [31]

Solution:

Given:

4x-7

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\begin{gathered} Substitute\text{ }x=4\text{ into }4x-7 \\ 4x-7=4(4)-7 \\ =16-7 \\ =9 \end{gathered}

The answer is 9.

7 0
1 year ago
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