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MissTica
3 years ago
15

Your classmate is unsure about how to use side lengths

Mathematics
1 answer:
DENIUS [597]3 years ago
3 0

Answer:

you look at the lengths some triagles have small parallel lines anè or two of them to determine if they are equal or different from one another

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Today, everything at a store is on sale. The store offers a 40% discount. The discount price of a hat is $22. What is the regula
iren2701 [21]

Answer:

$30.80

Step-by-step explanation:

$22 x 40% = $8.80

$22 + $8.80 = $30.80

ehh

4 0
2 years ago
Dylan opened a credit card account with $750.00 of available credit. Now that he has made some purchases, Dylan's account only h
barxatty [35]

Answer:

45%

Step-by-step explanation:

The formula to work out the decrease is:

Percentage Decrease= actual decrease / original amount X 100%

1) So firstly, we have to work out the decrease, to do this we have to do is do $750-$412.50= $337.50

2) We can now substitute this into our formula which will now be. (We will also add the original amount, which is $750.00)

Percentage Decrease= 337.50 / 750.00 X 100% = 45

The percentage decrease is 45%

8 0
3 years ago
A 32 foot ladder is placed on the ground 10 ft from the base of a house. How far up the house will the ladder reach?
umka2103 [35]

Answer:

22 feet

Step-by-step explanation:

7 0
3 years ago
Jada solved the equation Negative StartFraction 4 over 9 EndFraction = StartFraction x over 108 EndFraction for x using the step
Lilit [14]

Answer: First option.

Step-by-step explanation:

The complete exercise is attached.

In order to solve this exercise, it is necessary to remember the following property:

The Multiplication property of Equality states that:

If\ a=b\ then\ a*c=b*c

In this case, the equation that Jada had is the folllowing:

-\frac{4}{9}=\frac{x}{108}

Jada needed to solve for the variable "x" in order to find its value.

The correct procedure to solve for for "x" is to multiply both sides of the equation by 108. Then, you get:

(108)(-\frac{4}{9})=(\frac{x}{108})(108)\\\\-48=x

As you can notice in the picture, Jada did not multiply both sides of the equation by 108, but multiplied the left side by -\frac{4}{9}<em>  </em>and the right side by -\frac{9}{4}.

Therefore,you can conclude that Jada should have multiplied both sides of the equation by 108.

3 0
3 years ago
Read 2 more answers
Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per mi
irakobra [83]

Answer:

a) Mean=0 and Standard deviation=1

b) The z-scores have no units of measurement

Step-by-step explanation:

When we convert all the pulse rates of women to z-scores using the formula;

z=\frac{x-\mu}{\sigma} the mean is 0 and the standard deviation is 1.

The reason is that, the resulting distribution of z-scores forms a normal distribution which has a mean of 0 and a standard deviation of 1.

b) The z-scores are standardize scores and has no units of measurement. They give us how many standard deviations below or above the mean of the corresponding values.

8 0
3 years ago
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