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kari74 [83]
3 years ago
6

HELP ASAP!!

Mathematics
1 answer:
Sedbober [7]3 years ago
5 0

Answer:

-14 is the answer

Step-by-step explanation:

Divide the -4 to both sides and you get -14

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Pls help me! and no files and pls actually help me
crimeas [40]

Answer:

To find m ( slope) we'll use the Slope Formula:

\boxed{\sf{Slope\:(m)}=\cfrac{y_2-y_1}{x_2-x_1}}

<u>Subtract the numbers:-</u>

\sf 7. \:m=\cfrac{4-2}{6-5} =\boxed{2}

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\sf 8.\: m=\cfrac{-1-3}{2-6} =\boxed{1}

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\sf 9.\: m=\cfrac{-4-(-2)}{3-1} =\boxed{-1}

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\sf 10.\: m=\cfrac{0-3}{0-(-3)} =\boxed{-1}

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\sf 11.\:m=\cfrac{4-2}{3-1} =\boxed{1}

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\sf 12.\: m=\cfrac{1-7}{2-5} =\boxed{2}

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\sf 13.\:m=\cfrac{11-9}{1-(-4)} =\boxed{\frac{2}{5}}

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\sf 14.\:m=\cfrac{2-3}{3-5} =\boxed{\frac{1}{2}}

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\sf 15.\: m=\cfrac{11-5}{2-9} =\boxed{-\frac{6}{7}}

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\sf 16.\: m=\cfrac{-7-\left(-6\right)}{8-13}=\boxed{\frac{1}{5}}

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\sf 17.\: m=\cfrac{4-4}{6-1} =\boxed{0}

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\sf 18. \: m=\cfrac{2-(-7)}{5-5}=

↑ Undefined

___________________________________

6 0
3 years ago
In 2018, the population will grow over 700,000.The population of a city in 2010 was 450,000 and was growing at a rate of 5% per
Firlakuza [10]

Answer:

The year is 2020.

Step-by-step explanation:

Let the number of years passed since 2010 to reach population more than 7000000 be 'x'.

Given:

Initial population is, P_0=450,000

Growth rate is, r=5\%=0.05

Final population is, P=700,000

A population growth is an exponential growth and is modeled by the following function:

P=P_0(1+r)^x

Taking log on both sides, we get:

\log(P)=\log(P_0(1+r)^x)\\\log P=\log P_0+x\log (1+r)\\x\log (1+r)=\log P-\log P_0\\x\log(1+r)=\log(\frac{P}{P_0})\\x=\frac{\log(\frac{P}{P_0})}{\log(1+r)}

Plug in all the given values and solve for 'x'.

x=\frac{\log(\frac{700,000}{450,000})}{\log(1+0.05)}\\x=\frac{0.192}{0.021}=9.13\approx 10

So, for x > 9.13, the population is over 700,000. Therefore, from the tenth year after 2010, the population will be over 700,000.

Therefore, the tenth year after 2010 is 2020.

8 0
3 years ago
It took the Phillips family 6 hours
Lerok [7]

Answer:

Percentage increase.

Step-by-step explanation:

It took the Phillips family 6 hours to drive to their vacation destination. 2 hours and 42 minutes extra because of traffic.

8 hours 42 minutes

-

6 hours 0 minutes

=

2 hours and 42 minutes

Percentage increase.

8 0
2 years ago
PLEASE HELP ME I NEED HELP ON THESE MATH PROBLEMS
Feliz [49]

Answer:

gurl download Symbolab right now!!

4 0
2 years ago
a pie chart is divided into four sectors in fig. 12.42. Each sector represents a percentage of the whole. The two larger sectors
Novosadov [1.4K]

Answer:

Angle formed by the sector measuring x% will be 126°.

Step-by-step explanation:

Since, sum of all sectors formed in a circle is 100%.

By adding the measures of all the sectors,

x + x + 21 + 9 = 100

2x + 30 = 100

2x = 70

x = 35%

Now we know sum of all the central angles formed at the center of a circle = 360°

Therefore, angle formed by x% = 360° × 35%

                                                    = \frac{360\times 35}{100}

                                                    = 126°

8 0
3 years ago
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