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andreev551 [17]
3 years ago
12

The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is:

Mathematics
1 answer:
Airida [17]3 years ago
3 0
The answer is D i know for a fact
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An Easter basket contains eggs of three different colors. Find the total number of eggs in the basket if 2 7 of all eggs are gre
sashaice [31]

Answer:

56 eggs

Step-by-step explanation:

If \frac{2}{7} of all eggs are green, \frac{1}{4} of all are blue, then

1-\dfrac{2}{7}-\dfrac{1}{4}=\dfrac{28-2\cdot 4-7}{28}=\dfrac{13}{28}

of all eggs are red.

We know that there are 26 red eggs

26\text{ eggs }-\dfrac{13}{28}\\ \\x\text{ eggs }- 1[=\dfrac{28}{28}]

Make a proportion

\dfrac{26}{x}=\dfrac{\frac{13}{28}}{1}\\ \\26\cdot 1=x\cdot \dfrac{13}{28}\ [\text{Cross multiply}]\\ \\13x=26\cdot 28\ [\text{Multiply by 28 to get rid of fraction}]\\ \\x=\dfrac{26\cdot 28}{13}\ [\text{Divide by 13 to get x}]\\ \\x=2\cdot 28\\ \\x=56

4 0
3 years ago
Which of the given set of angles CANNOT form a right triangle?
babymother [125]

Answer:

The answer for your question is C. 22°, 22°, and 136°.

Explanation:

A right triangle will always have one angle that is 90°.

All of the other options have a 90° angle, so your answer is C.

Hope this helps!

7 0
2 years ago
Solve each system by graphing
Ne4ueva [31]
2,-4 is you awnser. good day to you
5 0
3 years ago
A genetic experiment with peas resulted in one sample of offspring that consisted of 414 green peas and 154 yellow peas. a. Cons
alekssr [168]

Answer: a. The interval in percentage is (23.46% , 30.76%)

b. No

Step-by-step explanation: To determine the confidence interval of a proportion, first find the percentage of yellow in that population:

phat = \frac{154}{414+154}

phat = 0.2711

The level α is 95%

1 - α = 0.05

α/2 = 0.025

As the population is bigger than 30, use z-test.

According to the table, z-score for α/2 = 0.025 is z = 1.96

The error for the interval is:

E = z.\sqrt{\frac{phat(1-phat)}{n} }

E = 1.96.\sqrt{\frac{0.2711(1-0.2711)}{568} }

E = 1.96*0.01865

E = 0.0365

The lower and higher limits of the interval are:

phat - E = 0.2711 - 0.0365 = 23.46%

phat + E = 0.2711 + 0.0365 = 30.76%

In conclusion, the 95% confidence interval to estimate the percentage of yellow is (23.46%,30.76%)

b. No, because 25% is inside the interval meaning that it doesn't contradict the expectations.

5 0
3 years ago
If magazines cost $0.50 each, how much will 3 magazines cost?
denis23 [38]
What you want to do is do:

0.5 + 0.5 + 0.5 to find how much 3 magazines are.

So, three magazines cost $1.50
6 0
3 years ago
Read 2 more answers
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