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Verdich [7]
2 years ago
9

I need help, also give explantion please

Mathematics
1 answer:
HACTEHA [7]2 years ago
3 0

Answer:

\huge  \: 8 {x}^{3}  \times 3 {x}^{9}  = 24 {x}^{12}

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Is this a reasonable estimate? Why?
Vedmedyk [2.9K]

Answer:

See below.

Step-by-step explanation:

No, a reasonable estimate is around 7 * 6 = 42.

Round $6.99 to $7 and multiply by the 6 family members.

3 0
2 years ago
Which statement is true about the points (-4,6) and (4,-6) is true
White raven [17]

Answer:

D.

Step-by-step explanation:

I graphed it. They are both not in the same qudrant because both their x and y values are opposites. This led me to believe that they were in quadrants digaonal of each other, meaning the answer was D, because if you flipped the point across the x or y axis and then flipped it again across the other axis, it would be that point. Just in case, I graphed it. Please tell me if I'm wrong :)

8 0
3 years ago
Read 2 more answers
Can u help me pls, 10 pts
Otrada [13]

260 because the tens position is the far right one before the decimal, and the number is above 5.

6 0
3 years ago
The volume of an object is equal to the ratio of its mass to density, V = StartFraction m Over d EndFraction. The mass of a sphe
Vladimir79 [104]

Answer:

<h2>R=1.0 cm</h2>

Step-by-step explanation:

V=m/d

V=8.4g/(2g/cm³)=4.2cm³

V=4 π R³/3 ;  π≅3.14

R³ =3V/(4 π)=3*4.2cm³/(4*3.14)=12.6cm³/12.56 ≅ 1.0 cm³

=>R=∛(1.0 cm³) =1.0 cm

7 0
3 years ago
Read 2 more answers
Caleb graphed the linear function y = –x + 2 of a system of equations. The other linear function passes through the points (–2,
allsm [11]

Answer:

Part 1) m=2

Part 2) The y-intercept is the point (0,-4)

Part 3) The solution of the system is (2,0) (the graph in the attached figure)

Step-by-step explanation:

Part 1) What is the slope of the linear function that passes through the points (–2, –8) and (1, –2)?

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values

m=\frac{-2+8}{1+2}

m=\frac{6}{3}

m=2

Part 2) What is the y-intercept?

Find the equation of the line in slope intercept form

y=mx+b

we have

m=2

point\ (1,-2)

substitute and solve for b

-2=2(1)+b\\b=-4

so

y=2x-4

The y-intercept is the point (0,-4)

Part 3) Graph the linear function to determine the solution. What is the solution?

we have

y=-x+2 ----> equation A

y=2x-4 ----> equation B

Solve the system by graphing

The solution is the intersection point both graphs

using a graphing tool

The solution of the system is (2,0)

see the attached figure

3 0
3 years ago
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