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Sergio039 [100]
3 years ago
15

Please help i’ll give brainliest

Mathematics
2 answers:
mojhsa [17]3 years ago
3 0

Answer: 1.5 + 3 = 1.8

Step-by-step explanation: Add both sides.

Alexeev081 [22]3 years ago
3 0

Answer:

<em>P = 9 cm</em>

Step-by-step explanation:

<u>The Perimeter of a Rectangle</u>

Given a rectangle of dimensions W and L, the perimeter of the rectangle is:

P = 2W + 2L

Or, equivalently:

P = 2(W + L)

The dimensions of the icon for the mobile app are 1.5 cm and 3 cm, thus:

P = 2(1.5 cm + 3 cm)

P = 2(4.5 cm)

P = 9 cm

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What is the vertex of the parabola with the equation y=1/5x^2 + 2x - 8
bixtya [17]

Answer:

(-5,-13)

Step-by-step explanation:

Find the vertex of the parabola y=1/5x^2+2x−8.  

In this equation a=15  and b = 2.  

x= -2/2(1/5) = -2/2/5 = -2/1 * 5/2 = -5

Substitute −5 into the equation y=1/5x^2+2x−8

y=1/5(−5)^2+2(−5)−8

y=5−10−8

y=−13

The vertex is (−5 , −13)

8 0
3 years ago
WILL GET BRANLIEST
erma4kov [3.2K]

Answer:

The correct options are;

Answer to A1 is D

Answer to A2 is D

Answer to A3 is D

Answer to A4 is D

Answer to A5 is D

Answer to A6 is D

Answer to A7 is D

Answer to A8 is D

Answer to A9 is D

Answer to B1 is I

Answer to B2 is I

Answer to B3 is I

Answer to B4 is I

Answer to B5 is I

Answer to B6 is I

Step-by-step explanation:

The given function is f(x) = 9·x² + 54·x - 66

The extremum of the function are found as follows;

d(f(x))/dx = 0 = d(9·x² + 54·x - 66)/dx = 18·x + 54

∴ 18·x + 54 = 0 at the maximum or minimum points

x = -54/18 = -3

Given that d²(f(x))/dx² = 18 > 0. x = -3 is a minimum point

Given that the function is a quadratic function, we have;

1) Points to the left of x = -3 are decreasing

2) Points to the right of x = -3 are increasing.

6 0
3 years ago
a factory produces toy dolls at a rate of 400 per hour and has to recycle 3% of them because the clothes are torn. express the r
AnnyKZ [126]
12
3/100 = 0.03
0.03x400 = 12
12 dolls are recycled per hour
4 0
3 years ago
Helpppppppppppppp pleaseeeeeeeeeeeee
Mekhanik [1.2K]

Answer:

the answer would be d., have a good day

6 0
3 years ago
Read 2 more answers
Write positive, negative, or no correlation to describe each relationship
garik1379 [7]

Answer:

4. negative

5.no correlation

6.positive

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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