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sweet-ann [11.9K]
3 years ago
6

What is the slant height of an equilateral triangle with surface area of 140.4cm and sides of 9cm?

Mathematics
1 answer:
Katen [24]3 years ago
5 0
A triangle doesn't have slants because it is 2d. Do you mean a pyramid? What kind?
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Find two supplementary angels such that the measure of the first angle is 38° less than three times the measure of the second
stiks02 [169]


angle 1+ angle 2=180    supplementary angles add up to 180

angle 2=x     assign angle a variable

angle 1= 3x-38      find equation for first angle

3x+x-38=180      set both angles added together equal to 180

4x-38=180        combine like terms

4x=218        add 38 to both sides

x=54.5        divide by 4

angle 2= 54.5

angle 2= (3x54.5)-38   plug back in and solve

angle 1= 125.5           


7 0
3 years ago
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Didn’t pay attention to math today (and was too lazy to do my own hw)
amm1812

Answer:

120 bhoo

Step-by-step explanation:

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A company recently downsized its number of employees by 30​%. If there are still 70 ​employees, how many employees were there pr
wolverine [178]
Hello there! Given there are 70 employees after downsizing by 30%, let x equal the number of employees prior to the layoffs:

70 would have to be 70% of x.

To find what 70 is 70% of, we can multiply by 100 because 100 is the base denominator:

70 • 100 = 7,000

Given this equation, we can now divide our result by 70 to get what the amount of employees before the layoffs is:

7,000 divided by 70 gives us 100.

x = 100

Now, we can plug our answer in to see if it makes sense.

Does 70/100 represent 70%?

Yes, it does. 70/100 reduces to 7/10, and by adding 3/10 to our 70%, we get the initial amount of employees.

Your final answer: There were 100 employees prior to the layoffs. If you have any extra questions, let me know and I will gladly assist you.
7 0
1 year ago
There are 19.3 cups of flour in a bag. The chef uses 2.9 cups for making cookies.
mrs_skeptik [129]

Answer:

10.1 cups left

Hope this helps!

Can you pls give brainly if this helps

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2 years ago
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Should be 4 for B because 8-4 would equal 4
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3 years ago
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