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d1i1m1o1n [39]
3 years ago
9

(-3)3 power and (-7) 2nd power

Mathematics
1 answer:
VikaD [51]3 years ago
5 0

Answer:

-3^3 = 27

-7^2 = 49

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A motorist traveled 250 miles on 11 gallons of gas. With the same vehicle, about how far could he go on 16 gallons of gas? Round
krek1111 [17]

Answer: 363.6 miles.


Step-by-step explanation:

1. You know that the motorist traveled 250 miles on 11 gallons of gas. Then, to calculate how far could the motorist go on 16 gallons of gas (with the same vehicle), you only need to multiply  16 gallons by 250 miles and divide this by 11 gallons.

2. Keeping this on mind, let's call the distance the motorist could go on 16 gallons of gas x, then:

x=\frac{16gallons*250miles}{11gallons}

3. Therefore, you obtain the following result:

x=363.3miles


8 0
4 years ago
How to do y=5x+2 and 3x=-y+ 10
Sunny_sXe [5.5K]
Answer:
y = 5x + 2
5 is the slope 2 is the y-intercept
3x = -y + 10 turns into y = -3x + 10
-3 is the slope 10 is the y-intercept
they intersect at (1, 7)

step-by-step explanation:
I’m not sure what you are wanting me to do with these but i will give you all the information about them
y = 5x + 2 is already in slope-intercept form
5 being the slope and 2 being the y-intercept
to solve for 3x = -y + 10
-3x+y +y-3x
y = -3x + 10
the slope is -3
the y-intercept is 10
they intersect at (1, 7)
5 0
3 years ago
How to use an array to find how many rows of 8 are in 40
Lady_Fox [76]
X x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x

This array shows that there are 5 rows of 8 in 40.
8 0
4 years ago
-25 Points-<br> Find the value of y.<br> Enter a decimal rounded to the nearest tenth.
il63 [147K]

Answer:

y ≈ 4.3 cm

Step-by-step explanation:

Two secants drawn from outside the circle, then

The product of the external part and the entire secant is equal to the product of the external part and the entire secant of the other secant, that is

3(3 + y) = 2(2 + 6 + 3) ← distribute both sides

9 + 3y = 2 × 11

9 + 3y = 22 ( subtract 9 from both sides )

3y = 13 ( divide booth sides by 3 )

y = 13 ÷ 3 ≈ 4.3 ( to the nearest tenth )

3 0
3 years ago
Every _____ tessellates.
Ludmilka [50]
<span>Every hexagons tessellates. Hexagons always tessellates when perfectly combined and aligned especially when the x sides and the y sides are parallel to each other. An example of tessellating hexagons is bee hive. Bee hives have perfect tessellating hexagons.</span>
3 0
4 years ago
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