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Bezzdna [24]
3 years ago
10

Need NOW!!!! Please!!!

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
6 0
X -1
X -5
Roots are x intercepts
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An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 4 ft long with a diameter of 2.2 ft. S
gavmur [86]

Answer:

8\:\mathrm{minutes}

Step-by-step explanation:

The volume of a cylinder is given as:

r^2\cdot\pi\cdot h

Since the diameter is 2.2, the radius is \frac{2.2}{2}=1.1.

Therefore, the volume of this cylinder is:

1.1^2\cdot 3.14\cdot 4=15.1976\:\mathrm{ft^3}, using \pi=3.14 as requested in the problem.

Since the tank is emptied at a constant rate of 1.5\:\mathrm{ft^3\:per\:minute}, it will take

\frac{15.1976}{1.5}=7.5988=\fbox{$8\:\mathrm{minutes}$} to empty the tank.

8 0
3 years ago
Plz help me with this
Afina-wow [57]
824 just add all the sides so 12+12+400+400=824 and in simpler form w2+l2
3 0
4 years ago
Read 2 more answers
Match the verbal description to the correct expression.
dusya [7]

Answer:

1.    n + 34

2.   n - 34

3.   n × 34

Step-by-step explanation:

1. 34 more than a number     n + 34

2. a number decreased by 34      n - 34

3. the product of a number and 34    n × 34

6 0
3 years ago
6. When you barter, you must ________ <br> in order to buy something.
Lubov Fominskaja [6]

Answer:

When you barter, you must trade it for something else in order to buy something.

Step-by-step explanation:

8 0
3 years ago
All of the following proportions are equivalent except
shtirl [24]
All are equal except A/D = C/B

I replaced the values with numbers
a=5 b=10 c=50 d=100

10/5=100/50 so it’s not b/a = d/c
5/10=50/100 so it’s not a/b = c/d
5/50 = 10/100 so it’s not a/c = b/d
5/100 is NOT 50/10 so it’s NOT a/d = c/b
8 0
4 years ago
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