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saw5 [17]
3 years ago
9

Please help me its about solving system by substitution

Mathematics
1 answer:
zheka24 [161]3 years ago
5 0

Answer:

heres an example of substitution in a world problem. hope this helps on some other problens

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Which comparison about the shapes is true? There are 6 squares to 3 circles O There are 3 squares to 6 circles There are 6 circl
OLEGan [10]

Answer:

second option 3 squares to 6 circles

Step-by-step explanation:

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2 years ago
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Find the slope of the line that contains the following pair of points (4,3), (6,7)
katrin2010 [14]
Use the point slope formula \frac{ y_{2}- y_{1} }{  x_{2} - x_{1} } plug in your numbers where 4=x1, 3=y1, 6=x2, and 7=y2 \frac{ 7-3}{ 6- 4 } \frac{4}{2}  } which equals 2
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3 years ago
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What is the answer in standard form for 314,207
Rudik [331]
<span>3.14207×<span>10^{5}<span /></span></span>
4 0
3 years ago
Help me with this please.
Drupady [299]

Answer:

1. 83 square inches

2. 7.065 square centimeters

Step-by-step explanation:

Hey there!

In order to find the area of the shaded region of the rectangle, you need to first find the area of the whole shape

The dimensions are 10 and 16 and if you multiply them together, you get 160

This means that the area of the whole shape is 160

Now they are asking for the area of the shaded shape, so we need to find the area of the white rectangle, and then subtract that area from 160

The dimensions for the white rectangle is 11 and 7

This means that the area of the white rectangle is 77

Now what we need to do is subtract 77 from 160

160-77=83

So the area of the shaded region is 83 square inches

Now to get to the second question

We need to find the area of the quarter circle

In order to find this, we need to first find the area of the whole circle, then divide that by 2

They gave us the radius already which makes it a lot easier (the radiues is 3)

All we need to do is input 3 into the formula for the area of a circle

\pi r^2

In this case, since they are telling us to use 3.14 as pi, the equation would look like this:

3.14*3^2

This can be simplified to 3.14*9 which is equal to 28.26

So this is the area of the whole circle

But the question is asking for the area of a quarter of that circle

So what we need to do is divide 28.26 by 4 which is 7.065

So the area of the quarter circle is 7.065 square centimeters

4 0
2 years ago
A building in New York is 423 feet tall. The building next to it is 52% taller. How tall is the second building? Show or explain
Neko [114]

Answer:

642.96 ft

Step-by-step explanation:

first building 423 feet tall, that is 100% --> 423 ft

next building 100% + 52% = 152%

second building: so now we multiply (423 * 152%) or ( 423 * 152/100 )

answer is 642.96 ft

7 0
2 years ago
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