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OleMash [197]
3 years ago
11

Help me I am bad with percentages

Mathematics
1 answer:
Xelga [282]3 years ago
4 0

Answer:

16.67% less

or

she only made 83% of her anticipated $18,000

Step-by-step explanation:

3000/18000 = 0.1666 or 16.67% less

15000/18000 = 0.8333 or 83%

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Please help me on question 4 and 5 I am really stuck thank you I would really appreciate it
STALIN [3.7K]

Answer:

1. 5/4

2. 7

Step-by-step explanation:

1) Lets call the width as w

Therefore length would be:

w+4

To find the perimeter you use the formula:

2 (l+w)

Now substitute our values into this formula:

2 (w+4+w)

2( 2w+4)

4w+8

Now make this equal to 13:

4w +8 = 13

4w = 5

w = 5/4

2. In this question we will call length l

Therefore width would be:

l-5

Now we will do the steps we did above:

2 (l+l-5)

2 (2l-5)

4l -10

4l - 10 = 18

4l = 28

l = 7

4 0
3 years ago
The triangle above is a right triangle with side lengths a = 7 in, b = 24 in, and c= 25 in.
Zigmanuir [339]

Answer:

the sum of the squares of the two smaller sides is equal to the square of the third and longer side.

7 0
3 years ago
HELP!!!!
Harman [31]
The lateral area is the area of everything but the base.  A shortcut formula for this area is Ph.  (where P is the perimeter of the base and h is the height of the prism).

So the lateral area is (3+9+9.49)x37 = 795.13 m^2  or 795 m^2

The surface area is the lateral area plus the area of the 2 bases.  The base is a triangle.  (area = 1/2 bh) 

Since there are two identical bases, the total area of the base is just 3x9 = 27

So the surface area is 795.13 + 27 = 822.13 m^2 or 822 m^2.
3 0
3 years ago
The sum of z and 7? What is it plz
wolverine [178]

Answer:

z + 7

Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

The sum of z and 7

<em>z + 7</em>

<em />

Answer:  z + 7

<u>If needed solve:</u>

z + 7 - 7 = 0 - 7

<em>z = -7</em>

5 0
3 years ago
Read 2 more answers
3 divided by what equals -8.16
antiseptic1488 [7]
-2.72
Hope that helped
Do you know criminal minds?
8 0
3 years ago
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