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Ahat [919]
3 years ago
14

Robin buys 40 flowers to put into 5 vases. She writes that 40 is 5 times as many as 8. What other comparison sentence can she wr

ite to show the comparison?
Mathematics
1 answer:
Yakvenalex [24]3 years ago
6 0

she can say 40 is 8 times as many as 5

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Eric ordered 6 tacos and 1 large pop. The large pop costs $2.00 and the total cost of his order was
pshichka [43]

Answer: 6x + $2= $21.50

Step-by-step explanation:

To make an equation first we are going to give the cost of each taco the variable x since we don't know what it is. Then we will combine 6 multiplied by x to get 6x and add it to $2 to get $21.50 so the equation will be 6x + $2= $21.50. First we subtract 2 from both sides of the equation which makes the equation become 6x= $19.50. Then we divide both sides of the equation by 6 and get x=$3.25. This means that each taco cost $3.25.

5 0
3 years ago
When Brooklyn runs the 400 meter dash, her finishing times are normally distributed with a mean of 76 seconds and a standard dev
KonstantinChe [14]

Using the Empirical Rule, it is found that her finishing time will be between 70 and 82 seconds in 95% of her races.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, the mean is of 76 seconds and the standard deviation is of 3 seconds, then:

76 - 2 x 3 = 70.

76 + 2 x 3 = 82.

Which means that values between 70 and 82 seconds are within 2 standard deviations of the mean, hence the percentage is of 95%.

More can be learned about the Empirical Rule at brainly.com/question/24537145

3 0
2 years ago
Hector is rewriting the expression 7 Superscript 11 in expanded form. How many terms will be multiplied in his rewritten express
r-ruslan [8.4K]

Answer:

11 terms.

Step-by-step explanation:

The exponent indicates how many time you will multiply 7 by itself.

5 0
3 years ago
Read 2 more answers
What is the length of the apothem, rounded to the nearest tenth?
amid [387]
See the attached figure to better understand the problem

we know that
in the triangle ABC
<span>applying the Pythagorean theorem
AC</span>²=AB²+BC²
<span>AC=8 cm
AB=apothem
BC=9.4/2-----> 4.7 cm

AB</span>²=AC²-BC²-----> 8²-4.7²-----> 64-22.09------> AB²=41.91 
AB=√41.91-------> 6.47 cm---------> 6.5 cm
apothem=6.5 cm

the answer is
6.5 cm

5 0
3 years ago
Read 2 more answers
As an estimation we are told 5 miles is 8km Convert 4 km to miles
puteri [66]

Answer: 2.5

Step-by-step explanation:

For this problem, we see that 4km is 1/2 of 8km.

So, we will have to find 1/2 of 5km.

1/2 of 5km = 2.5km

Your answer is 2.5km

4 0
3 years ago
Read 2 more answers
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