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Brut [27]
2 years ago
5

Which inverse operation is used to solve -15.75=2.5x

Mathematics
1 answer:
Kruka [31]2 years ago
8 0

Answer:

addition

Step-by-step explanation:

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Lelechka [254]
A and d both have -8 at x=0 so they both have the same y intercept
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2 years ago
The total revenue for dante's villas is given as the function r(x)=300x−0.2x2, where x is the number of rooms filled. What numbe
FinnZ [79.3K]

Solution:- Given that the total revenue function

r(x)=300x-0.2x^2 ,where x is the number of rooms filled

Now, differentiating the function w.r.t. x,we get

r'(x)=300-0.4x

To find critical points ,Put r'(x)=0

\Rightarrow300-0.4x=0\\\Rightarrow0.4x=300\\\Rightarrow x=750\\\text{Now}\\r"(x)=-0.4


4 0
3 years ago
5. Consider the diagram below. Choose the correct statement."
Ivanshal [37]

Answer:

Option (3)

Step-by-step explanation:

Option (1).

AB and SE are coplanar.

Incorrect.

AB lies in a plane ABS and SE lies in another plane SEL.

Option (2).

TS and SE intersect at E.

Incorrect.

They intersect at S.

Option (3).

R intersects K at SB.

Correct.

Since line of intersection of planes R and K is SB

Option (4)

AB and BL are perpendicular at B.

Incorrect.

Angle between them is not 90°.

6 0
3 years ago
An artist is hired to create an art display for the interior of a city building. The display is to span a total width of 10 yd .
lesya692 [45]

Answer:

8 portraits are going to be used in the display.

Step-by-step explanation:

This problem can be solved as a rule of three problem.

Each yd has 36 inches.

The display is to span a total width of 10 yd. So it is a total width of 360 inches.

Each portrait has a width of 45 in. How many portraits can there be?

1 portrait - 45 in

x portraits - 360 in

45x = 360

x = 8

8 portraits are going to be used in the display.

7 0
3 years ago
Please help me fast!!!!!!!!!!!!!
Luba_88 [7]
4/11 = 0.36 (repeat: 36)
5/11 = 0.45 (repeat: 45)
6/11 = 0.54 (repeat: 54)
7/11 = 0.63 (repeat: 63)
7 0
2 years ago
Read 2 more answers
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