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3 years ago

Y=-x-4

Mathematics

1 answer:

aliina [53]3 years ago

5 0

Answer:

(-4 , 0)

Step-by-step explanation:

Graph attached

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Earth orbits the sun in an elliptical pattern. The equation of Earth's path is.... where the measurements represent millions of

Triss [41]

General equation of Ellipse centered at (h,k) is given as

$\frac{(x-h)^{2}}{a^{2}} + \frac{(y-k)^{2}}{b^{2}} =1\\$

where a is the radius along x-axis

and b is radius along y-axis.

Given : The equation of elliptical path of Earth as

$\frac{(x+2.5)^{2}}{22350.25} + \frac{y^{2}}{22344} = 1\\$

Comparing the equation with the general equation, we get

(h,k) as (-2.5,0)

a = $\sqrt{22350.25} = 149.5$

b = $\sqrt{22344} = 149.48$

We have the Sun located at the coordinate (0,0).

Hence, the distance between Sun and Earth in July = 149.5 + 2.5 =152

∴ Earth's distance from the Sun in July is 152 million kilometers.

5 0

3 years ago

What percent is equivalent to 840 ? 8% 20% 25% 40%

Harrizon [31]

Answer:

8/10 are none of these. 8/10 is 80% unless your talking how much percent more to get to 10/10

8 0

3 years ago

Read 2 more answers

Aisha runs a tutoring business. With Plan 1, students may choose to pay $26 per hour. With Plan 2, they may follow the plan show

Finger [1]

Answer:

$20 dollars and $10 dollars per hour

Step-by-step explanation:

the line starts at 20 and it escalates by 10 ( 10,20,30,40,50,ect)

i just had a question like this and i'm in middle school, i tried to look for the answer on here but no one answered so when i took time to answer the problem i got it right on the first try.. anyway i hope this helps .!

3 0

3 years ago

A farmer finds there is a linear relationship between the number of bean stalks, n, she plants and the yield, y, each plant prod

-Dominant- [34]

Answer:

Step-by-step explanation:

Given that a farmer finds there is a linear relationship between the number of bean stalks, n, she plants and the yield, y, each plant produces

When we consider this graph as a straight line, the two points lying on the line would be

(30, 30) and (34, 28) taking n as horizontal and y vertical

Using two point equation we find that

the equation of the line is

$\frac{y-y_1}{y_2-y_1} =\frac{x-x_1}{x_2-x_1}$

Substitute the points as x =n

$\frac{y-30}{28-30} =\frac{x-30}{34-30}\\y-30 = -0.5(x-30)\\y = -0.5x+45$

is the linear relationship between n and y

7 0

3 years ago

Adam drew two same size rectangles and divided them into the same number of equal parts. He shaded 1/3 of one rectangle and 1/4

MArishka [77]

he divided each rectangle in 12 identical parts

for the first rectangle he shaded 1/3 of 12 = 4 parts

for the second rectangle he shaded 1/4 of 12= 3 parts

so 12= 3*4 leads to a minimum of 12 parts

6 0

4 years ago