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Svetllana [295]
3 years ago
15

Nine tenths of a sum a money 2.70find the sum of money

Mathematics
1 answer:
irakobra [83]3 years ago
7 0

Answer:

$3.00

Step-by-step explanation:

Setting up an equation with a variable and using key words from the problem will allow you to solve for the sum of money.

'x' = sum money

'nine tenths of a sum' = \frac{9}{10}x

'is 2.70':  = 2.70

\frac{9}{10}x=2.70

Multiply both sides by the reciprocal of 9/10 (10/9):  

(10/9)(9/10)x = 2.70(10/9)

x = 27/9 = $3.00

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The ratio of the number of circles to the number of triangles in simplest form is 2:14
Sauron [17]

Answer: 2

There are 10 triangles, that represent the number 2. There are 8 circles, that represents the number 1. To make this 1:1, we must add 2 circles.

10:10 = 1:1

The answer to the question is 2 circles.

Hope this helps you!

3 0
3 years ago
What are the domain and range of the relation
tia_tia [17]
The answer to the question

3 0
3 years ago
A cylinder has a radius of 6 centimeters and a height of 18 centimeters. A smaller cylinder has linear dimensions that are one-t
vlabodo [156]

Answer:

the larger cyclinder has a surface area which is 9 times the surface area of the smaller cyclinder.

Step-by-step explanation:

Surface area of larger cyclinder

Radius = 6cm

Height = 18cm

A = 2πrh + 2πr^2

= 2*3.14*6*18 + 2*3.14*6^2

= 678.24 + 226.08

= 904.32 cm

Smaller cyclinder (1/3 of the larger cyclinder)

Radius = 2cm

Height = 6cm

A = 2πrh + 2πr^2

= 2*3.14*2*6 + 2*3.14*2^2

= 75.36 + 25.12

= 100.48 cm

Comparing the surface area of the larger cyclinder and the smaller cyclinder

= 904.32 cm / 100.48 cm

= 9

This means, the larger cyclinder has a surface area which is 9 times the surface area of the smaller cyclinder.

5 0
3 years ago
(9.2×10^5)(4×10^-3)​
Len [333]

first change the 9.2 to standard form. which is

92 \times  {10}^{ - 1}

now the whole equation becomes

(92 \times  {10}^{ - 1}  \times  {10}^{ - 5} ) \times (4 \times  {10}^{ - 3} )

= 92 \times 4 \times  {10}^{ - 1  +  5 - 3}

= 368 \times  {10}^{1}

= 3.68 \times  {10}^{2 + 1}

= 3.68 \times  {10}^{3}

5 0
3 years ago
How many tickets will they have to sell to make 5,000,000?
Allisa [31]

Answer:

5,000,000= 625000 this many tickets if there 8 $

Step-by-step explanation:

And the ticket is  8$

How you would solve it is you take the number of money and divide it by how much each of the tickets are then the finished product is how many you have to sell.

3 0
4 years ago
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