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Anit [1.1K]
4 years ago
8

Someone help me with all these questions

Mathematics
1 answer:
Illusion [34]4 years ago
3 0
28. 220 yards is 660 feet and you have to multiply by 12 so you get 7920.

29. 100 feet is 1200.

30. You have to multiply by 12 to get feet and multiply by 3 to get yards and then you get 1728.

31. You have to multiply by 10 so you get 216.
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Solve?????????????????
Shtirlitz [24]

<em>Answer,</em>

<em><u>x = 5/2 + 1/2 √57 </u></em><em><u>or</u></em><em><u> x = 5/2 + -1/2 √57</u></em>

<em>Explanation,</em>

<em><u>Step 1: Use quadratic formula with a=1, b=-5, c=-8.</u></em>

<em>It's kinda hard to type out again so I just took a pic :-)</em>



8 0
3 years ago
Round 259.98991 to the nearest hundredths
lozanna [386]

Answer:

259.99

Step-by-step explanation:

You look at the hundreths place and see if the number behind it is bigger than 5, and if it is then you up it by one, and if it's 4 and below then you round it to zero. In this case you up it by one and you get 269.99.

I hope this helps!!!!

8 0
3 years ago
Read 2 more answers
What are the roots of 2x² – 5x + 2 = 0?
alina1380 [7]
The root is 10 because 2x5 is 10 so that’s ur answer
6 0
3 years ago
erica is going to use the following ingredients to make pancakes for breakfast 2 1/2 cups of flour ,1/2 cups of sugar
nlexa [21]

I don't get it. Whats the question???

6 0
3 years ago
The legs of an isosceles triangle have lengths x + 1 and -x + 7 . The base has length 3x - 3. What is the length of the base?
Brilliant_brown [7]

The base is 6.

In order to find this, we can set the legs equal to each other since legs have the same length in an isosceles triangle.

x + 1 = -x + 7

2x + 1 = 7

2x = 6

x = 3

Now that we have the value for x, we can plug into the equation to get the value for the base.

3x - 3 = base

3(3) - 3 = base

9 - 3 = base

6 = base

8 0
3 years ago
Read 2 more answers
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