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erma4kov [3.2K]
4 years ago
8

Determine the equation of the line given by the graph.

Mathematics
2 answers:
Ivan4 years ago
8 0
A is correct. La mark brainliest is u can
katrin [286]4 years ago
7 0

Answer:

A) y = 2x + 4

Step-by-step explanation:

The slope is 2, as we can see by examining two points, (0,4) and (1,6). The y-intercept is 4. Plug all this in to get A.

Why not B and C: The y-int of the graph is 4, so there must be a +4 in the equation.

Why not D: We know the slope is positive, so this isn't right.

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If I add 2 tablespoons of sugar to each cup of coffee, what is the ratio of sugar to coffee?
Gemiola [76]
For any amount of pure Coffee (no milk), you can put 39 grams of sugar or nearly 10 teaspoons of sugar, as Coffee has no sugar in it. 30ml is a standard espresso size so to be equivalent per ml of liquid you would need to put 3.1 grams of sugar which is less than a teaspoon.
5 0
3 years ago
Read 2 more answers
I WILL GIVE YOU BRAINIEST AND 10 POINTS
gregori [183]
Plz give me this thanks
8 0
4 years ago
Read 2 more answers
PLEASE HELPPP ME!!!
poizon [28]

Answer:

-28.5

-5

-11.8

-4.5

Step-by-step explanation:

From that data provided for Monday

Temperature at noon = temperature at midnight + the change in temperature

-32 + 20 = -12

Temperature on Tuesday's noon = -17.5 + (-11) = -28.5

Temperature on Friday's noon = -21.8 + 17.3 = -4.5

From that data provided for Monday

Temperature at midnight = temperature at noon - change in temperature

-12 - 20 = -32

Temperature on Wednesday's midnight = 10.5 - 15.5 = -5

From that data provided for Monday,

change in temperature = temperature at noon - temperature at midnight

-32 - (-12) = 20

Change in temperature on Thursday = -24 - (-12.2) = -11.8

6 0
3 years ago
Help me please and explain please?
Alexeev081 [22]

Answer:

Step-by-step explanation:

A.

<u>First spin</u>        <u> Second Spin</u>

____ Red   |---------Red

|                  |---------Green

|                  |--------Yellow

|

____Blue   |---------Red

                  |----------Green

                  |---------Yellow

B.    Probability of getting a red on the first spin = 1 /2.

8 0
3 years ago
From earlier studies, it is believed that the percentage of students favoring a four-day school week during May and June of ever
Oksi-84 [34.3K]

Answer:

The minimum sample size 'n' = 862.538

Step-by-step explanation:

<u><em> Step(i)</em></u>:-

Given the percentage of students favoring a four-day school week during May and June of every school year is approximately 85%

Given the Proportion of students favoring a four-day school week during May and June of every school year

      p = 85% = 0.85

      q = 1-p = 1-0.85 = 0.15

Given Margin of error = 2 % or 0.02

Level of significance = 0.90 or 0.10

The critical value Z₀.₁₀ = 1.645

<u><em>Step(ii)</em></u>:-

The Margin of error is determined by

M.E =  Z_{0.10} \sqrt{\frac{p(1-p)}{n} }  

0.02=1.645 X \sqrt{\frac{0.85(0.15)}{n} }

Cross Multiplication, we get

 

         \sqrt{n} =1.645 X {\frac{\sqrt{0.125} )}{0.02} }

         √n = 29.369

squaring on both sides, we get

         n = 862.538

<u><em>Final answer:</em></u>-

<em>Sample size 'n' = 862.538</em>

<em></em>

7 0
3 years ago
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