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il63 [147K]
3 years ago
15

Answers this pls PLS PLS PLS I NEED HELP

Mathematics
2 answers:
Monica [59]3 years ago
4 0
There would be 56 airplanes
raketka [301]3 years ago
3 0
3+4=7
7 x 8=56
There will be 56 airplanes :)Hope this helped!
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Which is the x-intercept of the graph of the equation y=3x−9?
padilas [110]
Y=3x−9

y=3(0)-9

y=9


Now plug in y to solve for x.

y=3x−9

9=3x-9

18=3x

6=x

The x-intercept is (6,0)

3 0
2 years ago
A SPHERICAL BALL HAS A DIAMETER OF 8 INCHES.THE BALL HAS A SLOW LEAK IN WHICH AIR ESCAPES AT THE RATE OF 2.5 CUBIC INCHES PER SE
Anit [1.1K]
107.52 seconds for the ball to deflate.
6 0
3 years ago
A height of 26 feet and a diameter of 5.6 feet. What is the volume of the geode, rounded to the nearest tenth?
7nadin3 [17]

Answer:

Therefore,

The volume of the geode, rounded to the nearest tenth is 640.1 feet³.

Step-by-step explanation:

Given:

Geode shaped approximately like a cylinder. such that

Height = h = 26 feet

Diameter = d = 5.6 feet

Radius = r =\dfrac{d}{2}=\dfrac{5.6}{2}=2.8\ feet

To Find:

volume of the geode = ?

Solution:

Geode shaped approximately like a cylinder,

So, Volume of Cylinder is given by,

\textrm{Volume of Cylinder}=\pi r^{2}h

Where,

Height = h

Radius = r

pi = 3.14

Substituting the values we get

\textrm{Volume of Cylinder}=3.14\times 2.8^{2}\times 26=640.05\approx 640.1\ feet^{3}

Therefore,

The volume of the geode, rounded to the nearest tenth is 640.1 feet³.

8 0
3 years ago
PLEASE HELPPP!!!!<br> How do you figure out this question?
jeka94
It’s D
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4 0
3 years ago
Read 2 more answers
The length and width of a rectangle are shown below.
natulia [17]

Answer:

-2x² + 90x + 500

Step-by-step explanation:

Use FOIL method

Area of rectangle = length * width

                             = (50 - x)(2x + 10)

                             = 50*(2x) + 50*10 + (-x)*2x + (-x)*10

                             = 100x + 500 - 2x² - 10x

                             = -2x² + 10<u>0x - 10x </u>+ 500  {Combine like terms}

                            = -2x² + 90x + 500

7 0
3 years ago
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