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postnew [5]
3 years ago
7

Find the slope of the line through the given points. (-9, -7) and (-11, -13)

Mathematics
1 answer:
gulaghasi [49]3 years ago
8 0
The slope is gonna be 3

the equation will be y=3x+20
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The equilateral triangles shown below are similar.
Drupady [299]

Answer:

Below in bold.

Step-by-step explanation:

The smaller one has side 2 and the corresponding side on the larger one is 5, so the answer is 2/5.

The  individual sides and perimeter are one-dimensional, so:

The ratio of their perimeters is the same 2/5.

The ratio of their areas ( which is 2 dimensional) is 2^2/5^2 = 4/25.

4 0
2 years ago
What is the answer to this question?
inessss [21]

Answer:

4x^2-7x+3

Step-by-step explanation:

(4x-3)(x-1)

4x^2-4x-3x+3

4x^2-7x+3

3 0
2 years ago
Round off 55.09 and 38.36 to the nearest tenth then add
Arte-miy333 [17]

Answer:

93.5

Step-by-step explanation:

0 and 3 are in the tenths place value

9 and 6 both increase when rounding

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8 0
3 years ago
A coat, originally priced at $120, was offered at
marusya05 [52]

Answer:

$76.80

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The tempeture of chicken soup is 192.7 degrees F. As it cools the tempeture of the soup decreases 2.3F per minute.
IrinaK [193]

Answer:

Step-by-step explanation:

To find the answer to Part A, we can turn this into a simple equation:

192.7 - (2.3 times 25) = <em>temperature, </em>the missing value.

So therefore, after 25 minutes pass, the temperature is equal to

192.7 - 57.5, or:

135.2 = Answer to Part A.

Now, onto Part B. We can use <u>another</u> equation!

192.7 - 2.3x = 100.7

Now, we must solve the given equation, first by taking 100.7 from each side:

192.7 - 2.3x = 100.7

-100.7             -100.7

We are now left with: 92 - 2.3x = 0 - we must now add 2.3x to 2.3x and 0, giving us this:

92 = 2.3x, which is equivalent to 920 = 23x, if that is what you prefer to solve.

To give us our missing value (x), we can divide 920 by 23, giving us: x = 40. This is the answer to Part B: 40 minutes.

I hope this was really helpful! Tell me if you need any more help.

6 0
2 years ago
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