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solmaris [256]
2 years ago
14

Is the answer I have chosen correct? if not can someone plz give me the right answer with an explanation?

Mathematics
1 answer:
Karolina [17]2 years ago
3 0

I think it’s too late

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Megans room was remodeled. The new area of the room is 175% of the previous area. Only the length of the room changed.
Alex17521 [72]

Answer:

As only the length of the room changed. It means the length of the room is increased by 175%, because of which the area is increased by 175%.

Therefore, the expression become

                                                             \frac{175}{100}\:l\cdot b

                                                             =1.75\:l\cdot b

And the area of Megan's room is increased by 0.75 square meters.

Step-by-step explanation:

  • Let l be the length of the room
  • Let b be the width of the room

So the area of the rectangle will be:

                                                         A=l\cdot \:b

As the statement mentions that the new area of the room is 175%% of the previous area.

So the new area of the room becomes:

                                                                 \frac{175}{100}\:l\cdot b

As only the length of the room changed. It means the length of the room is increased by 175%, because of which the area is increased by 175%.

Therefore, the expression become

                                                             \frac{175}{100}\:l\cdot b

                                                             =1.75\:l\cdot b

also

        \left(1.75\right)l\cdot \:b-\left(1\right)l\cdot \:b

         =0.75\:l\cdot b

so, the area of Megan's room is increased by 0.75 square meters.      

6 0
3 years ago
I need help with this question please I’ll mark as brainliest
Dmitriy789 [7]

Answer:

C

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (8, - 14), thus

y = a(x - 8)² - 14

To find a substitute (5, 13) into the equation

13 = a(5 - 8)² - 14

13 = a(- 3)² - 14

13 = 9a - 14 ( add 14 to both sides )

27 = 9a ( divide both sides by 9 )

a = 3

Thus

y = 3(x - 8)² - 14 → C

7 0
3 years ago
Two pounds of grapes cost $6. How much does it cost for 5 pounds of grapes
Andreyy89

Answer:

if we take the total cost of the grapes, and divide by the number of pounds of grapes we can conclude that each pound of grapes costs $3. so 5 pounds of grapes multiplied by $3 per pound, gives us $15 for 5 pounds of grapes.

3 0
2 years ago
Read 2 more answers
Which rule explains why these triangles are congruent?
Dima020 [189]

Answer:

ASA

Step-by-step explanation:

ANGLE SIDE ANGLE

according to your option

8 0
2 years ago
Graph y+6 = 4/5 (x+3 using the point and slope given in the equation.
egoroff_w [7]

Answer:

Slope: 4/5

Point: (-3|-6)

4 0
3 years ago
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