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Roman55 [17]
3 years ago
15

Help for 15 points . ill up it

Mathematics
1 answer:
RoseWind [281]3 years ago
8 0

Step-by-step explanation:

Let P_1(-1, -8)\:\text{and}\:P_2(-4, -9)

The slope of the line through these two points is

m = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{(-9 + 8)}{(-4 + 1)} = \dfrac{1}{3}

So the slope-intercept form of the line passing through the two points is

y = mx + b = \frac{1}{3}x + b

To find b, we use either point into our equation. Let's use (-1, -8):

-8 = \frac{1}{3}(-1) + b \Rightarrow b = -\dfrac{23}{3}

Therefore, the slope-intercept form of the equation for the line is

y = \dfrac{1}{3}x - \dfrac{23}{3}

The standard form of the equation can be written as

x + 3y + 23 = 0

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Is 2/3 cups. How many cups are in 5 servings?
stira [4]

Answer: 7 1/2

Step-by-step explanation:

5 divided by 2/3 cups equals 7 1/2

5 0
3 years ago
How do you solve for the segment area in a circle?
Aleks04 [339]
The area of the entire sector of DEF = 60 / 360 * PI * radius^2
sector area = 1 / 6 * 3.14159265... * 20^2
sector area = <span> <span> <span> 209.4395102393 </span> </span> </span>

segment area = sector area - triangle DEF Area
triangle DEF Area = (1/2) * 20 * sine 60 * 20
triangle DEF Area = (1/2) * 0.86603 * 400
triangle DEF Area = <span><span><span>(1/2) * 346.412 </span> </span> </span>
triangle DEF Area = <span> <span> <span> 173.206 </span> </span> </span>

segment area = <span> <span> 209.4395102393 </span> -173.206
</span>
segment area = <span> <span> <span> 36.2335102393 </span> </span> </span>
segment area = 36.23 m

Source:
http://www.1728.org/circsect.htm



6 0
3 years ago
Someone plsss help - find x ​
Leokris [45]

Answer:

96 + 150 + 2x + x = 360⁰

240 + 3x = 360⁰

3x = 120

x = 40⁰ hope it's help you

7 0
2 years ago
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3<br> 60°<br> х<br> x = -<br> y=--<br> How to solve
DochEvi [55]

Answer5

Step-by-step explanation:

6 0
2 years ago
Emma has 7 pens in a box. 5 of the pens are blue. 2 of the pens are red. emma takes at random a pen from the box and writes down
alexandr402 [8]

Answer:

There is no question stated.  If one assume the question is "Does the probability of picking the same color pen change after the first try?," the answer is "No."

Step-by-step explanation:

When the pen is replaced, the probability reverts back to the original value:

There are 7 pens:

5 Blue

2 Red

The probability of picking a red or blue pen on the first try is:

Red = 2/7

Blue = 5/7

When the pen is replaced, the probabilities  return to the original values.

3 0
1 year ago
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