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deff fn [24]
3 years ago
8

What is the slope of a line passing through (5,9) and (7,15) A.3 B.6 C.2 D.8

Mathematics
2 answers:
alexandr402 [8]3 years ago
6 0

Answer:

A.) 3

Step-by-step explanation:

You do the x1-x2 divided by y1-y2 method, I find that more effective for finding the solution. Hope this helps!

erastova [34]3 years ago
3 0
The Answer is A.3 and this needs to be 2 characters to answer so
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5 times 5 divided by 2
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5 x 5 / 2 This problem is super easy because i am in Kamehameha Schools and the answer to this problem is 12.5

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11. (-7,-12,0, 5,2,-4,-1) least to greatest ​
Mkey [24]

Answer:

-12, -7, -4, -1, 0, 2, 5

Step-by-step explanation:

The larger a negative number the less value it actually has, whereas the larger a positive number the more value it has. You can think about it as if someone has taken something from you. If I take $12 from you you have less money than if I were to only take $7 from you. With positive numbers, you would have more money if I gave you 5 dollars than if I only gave you 2 dollars. You will always have more money if I give you money than if I were to take away money, that is why positive numbers are greater than negative numbers.

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3 years ago
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a triangle has the following measurements : a=19 b=25 c=31 use the law of cosines to find the missing measurements
Mandarinka [93]
Sides:
a = 19 m
b = 25 m
c = 31 m

Angles:
A = 37.7843 °
B = 53.7236 °
C = 88.492 °

Other:
P = 75 m
s = 37.5 m
K = 237.418 m2
r = 6.33114 m
R = 15.5054 m

4 0
4 years ago
2. Inflation is at a rate of 7% per year. Evan's favorite bread now costs $1.79. What did it cost 10 years ago? How long
zavuch27 [327]

Answer:

It cost $0.91 10 years ago.

It takes 10.24 years for the cost of bread to double.

Step-by-step explanation:

The equation for the price of bread after t years has the following format:

P(t) = P(0)(1+r)^{t}

In which P(0) is the current price, and r is the inflation rate, as a decimal.

If we want to find the price for example, 10 years ago, we find P(-10).

Inflation is at a rate of 7% per year. Evan's favorite bread now costs $1.79.

This means that r = 0.07, P(0) = 1.79. So

P(t) = P(0)(1+r)^{t}

P(t) = 1.79(1+0.07)^{t}

P(t) = 1.79(1.07)^{t}

What did it cost 10 years ago?

P(-10) = 1.79(1.07)^{-10} = 0.91

It cost $0.91 10 years ago.

How long before the cost of the bread doubles?

This is t for which P(t) = 2P(0) = 2*1.79. So

P(t) = 1.79(1.07)^{t}

2*1.79 = 1.79(1.07)^{t}

(1.07)^{t} = 2

\log{(1.07)^{t}} = \log{2}

t\log{1.07} = \log{2}

t = \frac{\log{2}}{\log{1.07}}

t = 10.24

It takes 10.24 years for the cost of bread to double.

7 0
3 years ago
Find the polar coordinates of the point. Then, express the angle in degrees and again in radians, using the smallest possible po
nika2105 [10]

Answer:

(4cos150, 4sin150) or (4cos5pi/6, 4sin5pi/6)

Step-by-step explanation:

Given the rectangular coordinate

(2√3,-2)

x = 2√3

y = 2

For polar coordinate;

x =r cos theta

y = rsin theta

r = √x²+y²

r = √(2√3)²+(-2)²

r = √4(3) + 4

r = √12+4

r = 4

theta = arctan(y/x)

theta = arctan(-2/2√3)

theta = arctan(-1/√3)

theta = -30

theta = 180 - 30

theta = 150degrees

x = 4cos 150

y = 4sin150

The polar coordinate is (4cos150, 4sin150) or (4cos5pi/6, 4sin5pi/6)

The polar coordinates of the point are

4 0
3 years ago
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