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Hitman42 [59]
3 years ago
8

Shape Length/Base Width/Height square 0.8 ft. 0.8 ft. rectangle 0.65 ft. 0.5 ft. triangle 0.6 ft. 0.6 ft.If someone erased t

wo of the triangles and added two squares, what
would the new area of the hopscotch course be if the squares’ sides
measured 0.9 feet? After finding the new area, add the shapes to the
picture to show what the new course might look like.
Mathematics
1 answer:
Monica [59]3 years ago
7 0
The answer is 47 and cows cows like 47 in a way that cows like 47. it could also be blue or red or 13 or 27 have fun guessing
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Find the value of given expression
Lerok [7]

Answer:

√{395×395}=√395²=395 is your answer

8 0
3 years ago
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PLEASE HELP ME ASAP!! I had trouble with this and it is now over due
erica [24]

Answer:

Shira: x = 8

Samuel: m = 0

Step-by-step explanation:

Shira's mistake was that she subtracted 2 from both sides instead of adding to on both sides.

Correct Solving:

2x - 2 = 14

Add 2 to both sides;

2x = 16

Divide both sides by 2;

x = 8

Samuel's mistake was that when he distributed -2 to 8m and 8 he put the wrong sign for -2 * 8.

Correct Solving:

-2(8m + 8) = -16

Distribute;

-16m - 16 = -16

Add 16 to both sides;

-16m = 0

Divide both sides by -16;

m = 0

3 0
3 years ago
What is the slope if the equation y=5/4x-7/4<br> -7<br> -7/4<br> 5/4<br> 5
Sunny_sXe [5.5K]
5/4
The slope is answers the x
8 0
3 years ago
IQ scores on the WAIS test approximate a normal curve with a mean of 100 and a standard deviation of 15. What IQ score is identi
riadik2000 [5.3K]

Answer:

IQ scores of at least 130.81 are identified with the upper 2%.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 100 and a standard deviation of 15.

This means that \mu = 100, \sigma = 15

What IQ score is identified with the upper 2%?

IQ scores of at least the 100 - 2 = 98th percentile, which is X when Z has a p-value of 0.98, so X when Z = 2.054.

Z = \frac{X - \mu}{\sigma}

2.054 = \frac{X - 100}{15}

X - 100 = 15*2.054

X = 130.81

IQ scores of at least 130.81 are identified with the upper 2%.

7 0
3 years ago
Please help me I’m doing a test and it’s very hard to me please it’s worth 200 point of my grade
Nana76 [90]

Answer:

y = 15x

Step-by-step explanation:

For every hour that has gone by, Marco biked 15 miles, therefore, the equation of the line that shows the relationship between the time, x, and the distance, y, is <em>y = 15x</em>.

6 0
3 years ago
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