2 years ago

Cos to the minus 1, 0.40

Mathematics

1 answer:

Artemon [7]2 years ago

4 0

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A cube has a volume of 2197 m^3. Its surface is to be painted. Each can of paint covers about 40 m^2. How many cans of paint are

Gelneren [198K]

Volume= a³
a=edge
2197 = a³
=> a=13 m
Surface area=6a²=6*13²=6*169=1014 m²
 $\frac{1014}{40}$ = 25,35 ≈ 26
=> 26 cans needed

8 0

2 years ago

What is the image of (0,6) after a reflection over the y-axis?

mihalych1998 [28]

Answer:

(0, 6)

Step-by-step explanation:

The point (0, 6) is on the y-axis, so after a reflection over the y-axis, it is still (0, 6).

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9 months ago

An environmental scientist estimated the number of drops of water in two different jugs. He estimated that the smaller jug conta

LiRa [457]

I believe it is 8,459,999,894,000,001

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3 years ago

Anyone help me this is my final exam please i dont havee timeee

d1i1m1o1n [39]

Both lines intersect at the point
(-0.5, 0.5)

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3 years ago

Line JK passes through points J(–3, 11) and K(1, –3). What is the equation of line JK in standard form?

Sergeu [11.5K]

Hello!

First of all we find the slope by dividing the difference of the y values by the difference of the x values as seen below.

$\frac{-3-11}{1+3} = -\frac{14}{4} = \frac{7}{2}$

The slope of our line is 7/2, or 3.5
-------------------------------------------------------------
Now we will put the slope and a point on our line into slope intercept form and solve for b. We will use (-3,11).

11=3.5(-3)+b
11=10.5+b
b=0.5

Our final equation is shown below.

y=3.5x+0.5

I hope this helps!

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3 years ago

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