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jolli1 [7]
2 years ago
9

Danielle has $3 in quarters and $2 in dimes in her pocket. If she randomly selects one coin out of her

Mathematics
1 answer:
sattari [20]2 years ago
6 0
The answer is C. 3/5
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Which of the following statements is true?
Alborosie

b.an object at rest has an instantaneous acceleration of zero

8 0
3 years ago
Which are rational and irrational? Thanks in advance :)
DochEvi [55]

Answer:

3\frac{1}{2}-rational

\pi -irrational

-\frac{2}{3}-rational

\sqrt{16} -rational

\sqrt{3} -irrational

18-rational

0.625-rational

0.987987987...-rational

Step-by-step explanation:

Rational numbers:

-are all numbers you can write as a quotient of integers  \frac{a}{b} , b\neq 0

-include terminating decimals. For example, \frac{1}{8}=0.125

-include repeating decimals. For example, \frac{1}{3} =0.33333....

Irrational numbers:

-have decimal representations that neither terminate nor repeat. For example, \sqrt{2}=1.414213....

-cannot be written as quotients of integers

8 0
3 years ago
Jeffrey is using a copy machine to make posters for a school play. The machine prints the posters at a constant rate. After 3 mi
jasenka [17]

Answer:

B: 11 minutes.

Step-by-step explanation:

So, we know that the machine prints at a constant rate.

After 3 minutes, the machine prints 108 posters.

So, let’s find the <em>unit rate. </em>We will divide the output over the input. So:

108\text{ posters}/3\text{ minutes}=36\text{ posters/min}

So, the unit rate of the machine is 36 posters per minute.

We can write an equation. If t represent the number of minutes and p represent the amount of posters, then:

p=36t

Gives the amount of posters p and t minutes.

We want to know how long it will take Jeffrey to make 396 posters.

So, we can substitute 396 for p and solve for t. Hence:

396=36t

Divide both sides by 36:

t=11

Therefore, it will take Jeffrey 11 minutes to make 396 posters.

7 0
2 years ago
Two examples of likely and unlikely events in mathematics probability​
Bond [772]

Answer:

what's likely is times or Addition less like likely is subtraction or rounding

5 0
2 years ago
Write and solve the equation. Four times the sum of x and 5 equals twice the difference of 10 and that same number.
kari74 [83]

Answer:

4(x + 5) = 2(10 / x) solved = - 20

Step-by-step explanation:

this may not be correct but i really think im right

5 0
3 years ago
Read 2 more answers
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