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max2010maxim [7]
3 years ago
15

31.68 is 45% of what number?

Mathematics
2 answers:
kap26 [50]3 years ago
8 0
31.68 is 45% of 70.4

n * 0.45 = 31.68
divide both sides bu 0.45

n=70.4
DochEvi [55]3 years ago
6 0

Answer:  The required number is 70.4.

Step-by-step explanation:  We are given to find the number of which 31.68 is 45%.

Let x be the required number.

Then, according to the given information, we have

45\%\times x=31.68\\\\\Rightarrow \dfrac{45}{100}\times x=31.68\\\\\Rightarrow x=\dfrac{3168}{45}\\\\\Rightarrow x=70.4.

Thus, the required number is 70.4.

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Rectangle ABCD has vertices A(3, 5), B(5,5), C(5, 1) and D(3, 1). Drag and drop the coordinates of each vertex when rectangle AB
garik1379 [7]

Answer:

Given the coordinates of rectangle ABCD are;

A = (3, 5)

B = (5,5)

C = (5, 1) and

D = (3, 1)

The rule of rotation 90 degree counter-clockwise around the origin is given by;

(x, y) \rightarrow (-y, x)

Now, the coordinates of each vertex when rectangle ABCD is rotated 90 degree counter-clockwise around the origin are;

A(3, 5) \rightarrow A'(-5, 3)

B(5, 5) \rightarrow B'(-5, 5)

C(5, 1) \rightarrow C'(-1, 5)

D(3, 1) \rightarrow D'(-1, 3)

5 0
3 years ago
I need some help with this please
zvonat [6]
X=6.75

3+x=5x-24 Add 24 on both sides
27+x=5x Subtract 1x on both sides
27=4x Divide 4 on both sides
6.75=x You Can double check by plugging in x
8 0
3 years ago
Suppose a life insurance company sells a ​$ ​one-year term life insurance policy to a ​-year-old female for ​$. The probability
fgiga [73]

Answer:

The answer is "$ 281.65"

Step-by-step explanation:

It chances of women surviving the year are  = 0.999535

The possibility of the woman staying in the year is:

=1-0.999535 \\\\=0.000465

Unless the woman survives, the company will turn a profit = \$ \ 370

When a woman dies, the business loses:

\$ \ 189630(370- 190000 = -189630)\\

Calculate the assurance company's estimated benefit of the scheme:  

=370 \times 0.999535 -189630 \times 0.000465\\\\= 369.828 -88.17795  \\\\= 281.65

The assurance company anticipated the importance of the policy:

\$\ 281.65

7 0
4 years ago
What is the value of 3^3<br> What is the value of 3 square root 125<br> Please help
Sedbober [7]

Step-by-step explanation:

The value of 3³ is 27

And

The value of ³√125 is 5.

Hope it will help :)❤

4 0
3 years ago
A triangle has side lengths of (8.3f+9.6g)(8.3f+9.6g) centimeters, (3.6f+1.5h)(3.6f+1.5h) centimeters, and (6.7h-2.9g)(6.7h−2.9g
nekit [7.7K]

Answer:

The expression (11.9f + 6.7g + 8.2h) cm represent the perimeter of the triangle

Step-by-step explanation:

Perimeter of a triangle = side a + side b + side c

Side a = (8.3f + 9.6g)

Side b = (3.6f + 1.5h)

Side c = (6.7h - 2.9g)

Perimeter of a triangle = side a + side b + side c

= (8.3f + 9.6g) + (3.6f + 1.5h) + (6.7h - 2.9g)

= 8.3f + 9.6g + 3.6f + 1.5h + 6.7h - 2.9g

Collect like terms

= 8.3f + 3.6f + 9.6g - 2.9g + 1.5h + 6.7h

= 11.9f + 6.7g + 8.2h

Perimeter of a triangle = (11.9f + 6.7g + 8.2h) cm

The expression (11.9f + 6.7g + 8.2h) cm represent the perimeter of the triangle

7 0
3 years ago
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