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Eva8 [605]
3 years ago
13

if he bought 215 lbs of cement and his son brought another 137 lbs how much cement did he have orinally if he now has 450.

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
8 0

Answer: 98


Step-by-step explanation:


hammer [34]3 years ago
3 0

Answer: 98

450-215-137=98


Step-by-step explanation:


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The daily production cost, C, for x units is modeled by the equation:
tiny-mole [99]

First find the domain(the set of all first coordinates in a function) by finding where the equation(a mathematical statement that says two expressions have the same value; any number sentence with an = sign) is defined.

After that you should know what to do. I don't know how to work this problem cuz i'm barely in 9 grade. But somehow, I know this.

(−∞,∞)

{x|x∈R}

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4 0
3 years ago
Read 2 more answers
Answer both. Follow directions. No Branliest. Do your best
jolli1 [7]

Answer:

Rate = 1.125

New Value = 312,750

Step-by-step explanation:

A. 1/8 = 0.125

1+0.125=1.125

1.125 x Old value = New Value

B.

1.125 x 278,000 = New Value

312,750

8 0
3 years ago
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Given the center (h,k) = (5,0) and radius r=3, write and equation for the circle in standard form
Len [333]

Answer

B)(x-5)^{2} + y^{2} = 9


Step by step explanation

The standard form of circle when center(h, k) and radius r, given is

(x - h)^2 + (y - k)^2 = r^2

Given: (h, k) = (5, 0) and r = 3

Now plug in these values in the standard form, we get

(x - 5)^2 + (y - 0)^2 = 3^2

(x- 5)^{2} + y^{2} = 9

Therefore, the answer is B) (x-5)^{2}  + y^{2} = 9

Thank you :)

3 0
3 years ago
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A cylinder has a base diameter of 8ft and a height of 20ft. What is its volume in cubic ft, to the nearest tenths place?
jenyasd209 [6]

Answer:

4022.9

Step-by-step explanation:

Volume of a cylinder is given by cross sectional area multiplied by height hence

V=Ah

Since the cross sectional area of

A=\pi r^{2}

Substituting the formula for A into formula for volume then

V=Ah=\pi r^{2}h

Substituting 8ft for r and 20 ft for h then

V=Ah=\pi 8^{2}\times 20=4022.8571428571\ ft^{3}\approx 4022.9\ ft^{3}

Rounded off to the nearest tenths, the volume is equivalent to

4022.9

5 0
3 years ago
F(x) = x + 2 g(x) = x – 4
solniwko [45]

Answer:

x² - 2x - 8

Step-by-step explanation:

The notation (f·g)(x) means to multiply the two functions. Use the distributive property to simplify.

(f·g)(x) = (x+2)(x-4) = x² + 2x - 4x - 8 = x² - 2x - 8

 

Give me brainliest please

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2 years ago
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