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Sloan [31]
4 years ago
15

Which statement can be represented by the equation

Mathematics
2 answers:
Valentin [98]4 years ago
8 0

Answer:

d ik

Step-by-step explanation:

Veronika [31]4 years ago
4 0

Answer:

Nine more than two-fifths of a number is nine.

Step-by-step explanation:

that is the only one that makes sense.

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A model of a ship is made to a scale of 3:400
Elanso [62]

Answer:

Given:

Model : Ship = 3 : 400

The surface area of the model = 7200 cm²

To Find:

The surface area of the actual ship in m²

Let's start with the map scale given:

Model : Ship = 3 : 400

We start by adding in a unit. Usually, we choose the units associated with the model:

Model : Ship = 3 cm : 400 cm

Now, according to tot the question, we know that the actual ship is in m:

Model : Ship = 3 cm : 400 ÷ 100 m

Model : Ship = 3 cm : 4 m

The question asked for surface area, so the units have to be in squares:

Model : Ship = (3 cm)² : (4 m)

Model : Ship = 9 cm² : 16 m²

Now, that we have the units set correctly according to the question requirement, we will find 1 branch of the model:

Model : Ship = 9 cm² : 16 m²

Model : Ship = 9÷9 cm² : 16÷9 m²

Model : Ship = 1 cm² : 16/9 m²

Finally, we can find the required units by multiplying both sides with the required units:

Model : Ship = 1 cm² : 16/9 m²

Model : Ship = 1 x 7200 cm² : 16/9 x 7200 m²

Model : Ship = 7200 cm² : 12800 m²

Answer: The surface area of the ship is 12800 m²

(by the way, this was copied from the same website)

hope this helps :)

7 0
1 year ago
Can someone help me pls
Ludmilka [50]

Answer: 39.4784

Step-by-step explanation:

The equation for area of a circle is (3.14)r^2.

Just plug in the given radius (4) into the equation and solve.

6 0
3 years ago
Widescreen televisions have an aspect ratio of 16:9. for every 16 squares of width, there are 9 squares of height. a. if the scr
monitta

a. if the screen on the left is 40 inches wide, the height of The television is 22.5 inches.

b.  if the screen on the right is 40 inches tall, its width is 71.11 inches.

We are well aware that ratio and proportion will be used if a dependency is given in the form of two variables and other variables are requested.

it is given that, There are 9 height squares for every 16 width squares.

a. We need to tell height when the width is 16 inch

the height of the television whose width is 40 inch=\frac{(9)(40)}{16}

                                                 Therefore, Height=22.5 inches

b. to find width when height is 40 inches.

width of the tv is when height is 40 inches=  \frac{(40)(16)}{9}

                                                 Therefore, width = 71.11 inches.

As a result, a widescreen television has a width of 71.11 inches and a height of 22.5 inches when its width is 40 inches.

         

To know more about Ratio and Proportion, visit here:

brainly.com/question/26974513

#SPJ4                            

4 0
1 year ago
If you are adding 2 negative numbers, will your answer be positive or negative?
sattari [20]

Answer:

negative

Step-by-step explanation:

negative plus negative is negative

8 0
3 years ago
Read 2 more answers
Geoffery went on a trip across South America. He took 1,750 US dollars (USD) with him. In Chile, he traded his money for Chilean
musickatia [10]
Given:
$1,750
Rate = $1 = CLP 496.50
Spent : 217,513 pesos
Rate = CLP 1 = VEF 0.1283
Spent : 38,422.19 bolivars
Rate = VEF 1 = PGY1063.95 
Spent : 12,857,441.39 guarani
Rate = PYG 1 = $0.00002186

$1750 * CLP 496.50 = CLP 868,875
CLP 868,875 - 217,513 = CLP 651,362

CLP 651,362 * VEF 0.1283 = VEF 83,569.7446
VEF 83,569.7446 - 38,422.19 = VEF 45,147.5546

VEF 45,147.5546 * PYG 1063.95 = PYG 48,034,740.70
PYG 48,034,740.70 - 12,857,441.39 = PYG 35,177,299.30

PYG 35,177,299.30 * $0.00002186 = $768.976763 ⇒ $768.98


4 0
4 years ago
Read 2 more answers
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