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jek_recluse [69]
3 years ago
9

Tim measures the length of four grasshoppers in his backyard: 5/4cm, 7/4cm, 9/4cm, 3/4cm. What is the average length?

Mathematics
1 answer:
hodyreva [135]3 years ago
6 0

Answer:

1.5 cm

Step-by-step explanation:

To find averages, you add up all the values then divide by the amount of number there are (i.e, 6, 7, 8, so there would be three numbers and therefore divide by 3)

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On the coordinate grid of a map, Josie's house is located at (2,7). Her school is located at (-5,5). If each map unit equals one
oksian1 [2.3K]
To find the distance you would use the distance formula which is:
d =  \sqrt{(x2-x1)^{2}+(y2-y1)^{2}} =  \sqrt{(2-(-5))^{2}+(7-5)^{2}}

This equals:
d =  \sqrt{(7)^{2}+(2)^2} =  \sqrt{49+4} =  \sqrt{53} = 7.2801
7 0
3 years ago
Read 2 more answers
Clint wants to keep a young tree from blowing over during a high wind.he decides that he should tie a rope around the tree at a
liraira [26]
The rope tied to the tree will make a triangle.

The height of the triangle = 180cm
The base of the triangle = 200cm

to find how much rope you need, work out the hypotenuse using Pythagoras:

180^2 + 200^2 = 72400
√72400 = 269.0724809

This is the length of rope he needs, however you need to +30 as this is what he will need when he ties the rope:

269.0724809 + 30 = 299.0724809

299.0724809 is less than the 270cm of rope he has, so he would need more.

8 0
2 years ago
Simplify the algebraic expression by combining like terms 0.8x + 19 - 0.7x
Arte-miy333 [17]

Answer:

Let's simplify step-by-step.

0.8x+19−0.7x

=0.8x+19+−0.7x

Combine Like Terms:

=0.8x+19+−0.7x

=(0.8x+−0.7x)+(19)

=0.1x+19

Answer:

=0.1x+19

Step-by-step explanation:

I hooe it helps plz Mark me brainliest

8 0
3 years ago
HEY CAN ANYONE PLS ANSWER DIS MATH QUESTION!!!!!!!!
Arisa [49]

Answer:

B. $ 1.30

Step-by-step explanation:

4 0
3 years ago
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State police believe that 70% of the drivers traveling on a major interstate highway exceed the speed limit. They plan to set up
saveliy_v [14]

Answer:

With n = 50, both conditions(np > 5, n(1-p) > 5) are satisfied, so a random sample of 50 cars would have been large enough.

Step-by-step explanation:

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

Can be approximated to the normal distribution if:

np > 5, n(1-p) > 5

70% of the drivers traveling on a major interstate highway exceed the speed limit.

So p = 0.7.

Would a random sample of 50 cars have been large enough and why?

With n = 50

np = 50*0.7 = 35 > 5

n(1-p) = 50*0.3 = 15 > 5

With n = 50, both conditions(np > 5, n(1-p) > 5) are satisfied, so a random sample of 50 cars would have been large enough.

8 0
3 years ago
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