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ollegr [7]
3 years ago
7

What is the domain of the function f(x) = 2x + 5?

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

There is no value that x cannot be for linear equations.

Thus, the domain is ALL REAL NUMBERS.

CHOICE B.

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The rock hard company is going to transport truckloads of stones to a highway project. It will cost $4200 to rent trucks, and it
Darya [45]

Answer:

c =4200+275s

Step-by-step explanation:

C is the total cost

4200 is how much to rent the trucks

275 is the price for each ton

s is how many tons of stone in being transported

4 0
3 years ago
20 - (3 2/3 + 2 1/4 + 2 1/3) = ?
Alex777 [14]

Answer:

20-5 11/12= 9 11/12

Step-by-step explanation:

we do (3 2/3 + 2 1/4+ 2 1/3 )which is

           3 8/12.    2 3/12    2 4/12 (common denominator)

then add 3 8/12 and 2 3/12 and 2 1/3 to get 10 1/12 then we get 20- 10 1/12 to get a final answer of 9 11/12

5 0
3 years ago
2/5x + 4 = 1/5x + 8 what does x equal
uysha [10]

Answer:

x=20

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
To which sets of numbers - 1/4 does<br> belong?
Afina-wow [57]

Where are the sets? I don't see any...

6 0
2 years ago
Plz do not delete my questions. I will give you 30 points for these three questions. A thanks. And a 5 star rate. But in order f
poizon [28]
(1) <span>The surface area of the square pyramid = 4 * (area of one face) + area of the base
area of one face = 0.5 * 34.2 * 28.4
area of the base = 34.2 * 34.2
∴ </span>The surface area of the pyramid = 4 * (<span>0.5 * 34.2 * 28.4) + </span><span>34.2 * 34.2

By comparing the last answer with the answer of </span>Vikram, we find that:
He used the wrong expression to represent the area of the base of the pyramid.
=========================================================

(2) The surface area of the rectangular pyramid
= area of two face with the height 36.5 + area of two face with the height 37.8 + area of the base

area of two face with the height 36.5 = 2 * 0.5 * 36.5 * 25.6
area of two face with the height 37.8 = 2 * 0.5 * 37.8 * 16.2
are of the base = 25.6 * 16.2

Total area = (2 * 0.5 * 36.5 * 25.6) + (2 * 0.5 * 37.8 * 16.2) + (25.6 * 16.2)
                = (36.5 * 25.6) + (37.8 * 16.2) + (25.6 * 16.2)
note: 2 *0.5 = 1

By comparing the last answer with the answer of Tracy , we find that:
<span>Tracy’s answer will be correct because she made use of the fact that 2 (1/2) = 1 in her expression.
=========================================================
</span>
(3)
the total surface area of this rectangular pyramid =
= area of two face with the height 52 + area of two face with the height 60 + area of the base

area of two face with the height 52 = 2 * 0.5 * 52 * 78 = 4,056  m²
area of two face with the height 60 = 2 * 0.5 * 60 * 50 = 3,000  m²
are of the base = 78 * 50 = 3900  m²

Total area = 4,056 + 3,000 + 3,900 = 10,956 m²



















3 0
3 years ago
Read 2 more answers
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