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Tju [1.3M]
2 years ago
7

Nina has x coins. Clayton has 5 fewer coins than six times the number of coins Nina has. Write an expression for the total numbe

r of coins Nina and Clayton have altogether. Then simplify the expression.
Mathematics
2 answers:
trasher [3.6K]2 years ago
8 0

Answer:

7x - 5

Just put the numbers in the right spots and add the numbers together.

DedPeter [7]2 years ago
7 0

Answer:

7x - 5

Step-by-step explanation:

Let

Nina = x coins

Clayton = 6x - 5 coins

Expression for the total number of coins Nina and Clayton have altogether.

Nina + Clayton

= x + (6x - 5)

= x + 6x - 5

= 7x - 5

The correct answer and expression is 7x - 5

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oksano4ka [1.4K]
Since you can spend all but 20%, then you can spend the rest, namely the 80%.

whatever% of anything is just (whatever/100) * anything.

therefore, 80% of 225 is then (80/100) * 225, that much.
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2 years ago
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The formula T= 2pi sqrt(L/32) relates the time, T, in seconds for a pendulum with the length, L, in feet, to make one full swing
tester [92]

The length of pendulum is 2.485 feet

<h3><u><em>Solution:</em></u></h3>

Given that,

The formula T= 2pi sqrt(L/32) relates the time, T, in seconds for a pendulum with the length, L, in feet, to make one full swing back and forth

<u><em>Therefore, the given formula is:</em></u>

T=2\pi \sqrt{\frac{L}{32} }

We have to find the length of pendulum that makes one full swing in 1.75 seconds

So the modify the given equation to find "L"

T=2\pi \sqrt{\frac{L}{32} }\\\\ \sqrt{\frac{L}{32} }=\frac{T}{2 \pi}\\\\\text{Taking square root on both sides }\\\\\frac{L}{32} = \frac{T^2}{4 \pi^2}\\\\L = \frac{T^2}{4 \pi^2} \times 32\\\\L = \frac{T^2}{\pi^2 } \times 8

Substitute T = 1.75 seconds and \pi = 3.14

L = \frac{1.75^2}{3.14 \times 3.14} \times 8\\\\L = \frac{3.0625}{9.8596} \times 8\\\\L = 2.485

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7 0
2 years ago
Describe the relationship between the values of the digits in the number 9,999,999
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9(millions), 9(hundred-thousands)9(ten-thousands)9(thousands), 9(hundreds)9(tens)9(ones).

3 0
2 years ago
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FromTheMoon [43]
The second store is cheaper. It is only 18.99 per gallon. Just divide the costs by 2. 
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2 years ago
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Mitchel owns a livestock trailer that can hold a maximum of 5,000 pounds. The average weight of each goat is 90 pounds, and the
castortr0y [4]

Answer:

The number of cows and calves Mitchel can transport is determined by the inequity 90g+360c \leq 5000

Step-by-step explanation:

Let g be the number of goats, and c be the number of cows. If Mitchel's livestock trailer can only hold maximum of 5000 pounds. then we have the inequality

90g+360c \leq 5000 <em>(this says that the weight of the goats and the calves cannot exceed 500 pounds.) </em>

Therefore, this inequality determines the number of goats and calves Mitchel can take in a single trip.

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