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gizmo_the_mogwai [7]
3 years ago
5

Please help me idk this

Mathematics
1 answer:
madreJ [45]3 years ago
8 0

Answer:

660in

Step-by-step explanation:

Rectangle:

A=l*w

A=20*30=60

Triangle:

A=b*h/2

A=40*30/2=600

600+60=660

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Write the standard equation of the line that passes through the point (-1,12) and has the same slope as a vertical line
Rom4ik [11]
Vertical lines have undefined slope. They are not y=mx+b equations, but simply x= equations.

This line passes through the point (-1,12) has an x-value of -1. Therefore the equation of the line is simply  x=-1
3 0
4 years ago
Use the approach in Gauss's problem to find the sums of the arithmetic sequences below
I am Lyosha [343]

Answer:

15150 is the required sum.

Step-by-step explanation:

Gauss method of summing sequences like this is to add the first term to the last term, the second term to the second to the last term and so on until you get to the middle. By doing this, you will always get the same sum. Then you divide the number of terms by two, because you are technically adding the first half of the sequence to the second half. You then multiply the sum of each pair that gave the same number with the number of terms that has been divided by 2. For this problem we have:

3 + 300 = 303

6 + 297 = 303

9 + 294 = 303

and so on.

100÷ 2 = 50.

Therefore we have 50 * 303 = 15150 is the required sum.

5 0
3 years ago
3/4 of 20= 1/4 of what number?
balu736 [363]

Answer:

15

Step-by-step explanation:

6 0
4 years ago
Things did no go quite as planned. You invested $19,660 part of it in a stock that paid 12 percent annual interest. However the
Doss [256]
0.05x+0.12 (19660-x)=2060
Solve for x
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19,660−4,274.29
=15,385.71 at 12%
8 0
3 years ago
Ben needs to buy orange juice. He can buy 64 fl oz at the grocery store for $2.00, or he can buy 256 fl oz at the wholesale club
crimeas [40]
Unit price so compare
2 gets 64 or 7.50 get 256
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A: 32 oz per $1 or $0.031 per 1 oz
B: 34.133 oz per $1 or $0.029 per 1 oz
C: best deal is at wholesale club
3 0
3 years ago
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