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3 years ago

PLEASE ANSWER THIS IS EASY BUT IM DUMB LOTS OF POINTS HELP

Mathematics

2 answers:

larisa86 [58]3 years ago

8 0

All three numbers multiplied to get the volume
surface area is the formula times base 1 and base 2 times base 3 and answer

Grace [21]3 years ago

3 0

Ok, first of all, what you have is:
length = 4 m
width = 6 m
height = 5 m

a) For the volume: V = lwh
V = 120 m3
b) For the surface area: S = 2(lw + lh + wh)
S = 148 m2

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The tables below show two functions. For each set of data:

slamgirl [31]

The first table, representing f(x), is linear. The data have a constant rate of change or slope:
(between the first two points): m = (y₂ - y₁)/(x₂ - x₁) = (22-18)/(-1--2) = 4/(-1+2) = 4/1 = 4. The rate of change between any two points is the same:
(between the last two points): m = (34-30)/(2-1) = 4/1 = 4.

The second table, representing g(x), is exponential. The data points are multiplied by the same constant between successive points. 2*2 = 4; 4*2= 8; 8*2 = 16, etc.

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3 years ago

Colleen bought a cup of coffee that had 32 ounces in it. She drank 8 ounces of the coffee. What percent of the coffee is left?

Andreas93 [3]

75% is left in the cup

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3 years ago

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15x^2 - 25 answer with a complete sentence

zubka84 [21]

Answer:

No, the following expression is not a difference of squares. Binomial can not be factored as the difference of two perfect squares. 3 is not a square.

Step-by-step explanation:

Factor

15x^2 - 25

(15x)^2(-5)^5

Divide by 3 and factor

5(3x^2-5)

"Theory:

A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)

Proof : (A+B) • (A-B) =

A2 - AB + BA - B2 =

A2 - AB + AB - B2 =

A2 - B2

Note : AB = BA is the commutative property of multiplication.

Note : - AB + AB equals zero and is therefore eliminated from the expression."

I put a picture to help u understand.

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3 years ago

A helicopter is hovering 110 feet in the air over a landing pad. If a man sees the helecopter at an angle of elevation of 29°, w

Pavel [41]

See the attached figure to better understand the problem

we know that

tan 29°=AC/CB--------> CB=AC/tan 29°
AC=110 ft
CB--------> how far the man is from the helicopter landing pad
so
CB=AC/tan 29°----------> CB=110/ tan 29°----------> CB=198.45 ft

the answer is
the man is 198.45 ft from the helicopter landing pad

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3 years ago

(Answer Quickly!!!) 31.2 (3.8)

adelina 88 [10]

118.56. 31.2 x 3.8 = 118.56

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3 years ago

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