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nadya68 [22]
3 years ago
8

The table below gives the dimensions of a bridge and a scale model of the bridgeFind the scale factor of the model to the real b

ridge.write your answer as a fraction in simplest form.

Mathematics
1 answer:
vovangra [49]3 years ago
7 0
The model of the bridge and the actual bridge are similar solids. The lengths of corresponding sides of similar figures are in proportion.

5/25 = 6/30 = 8/40 = 1/5

Answer: 1/5
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Elin has 1/3 hour to warm up for her gymnastics meet. She must complete each 6 different stretches. She spends an equal amount o
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Answer:

1/18 hr per stretch

Step-by-step explanation:

total # of hrs / # of stretches

1/3 hr / 6 stretches = 1/18 hr per stretch

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3 years ago
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Is there a proportional relationship? A salt water solution for and aquarium calls for 35 parts of salt to 1000 parts of water t
morpeh [17]

Answer:

Yes

Step-by-step explanation:

To check proportionality :

35 α 1000

35 = 1000k

k = constant of proportionality ;

Divide both sides by 1000 to obtain k

35 / 1000 = 1000k / 1000

0.035 = k

For the ratio Given :

Ratio of 7 parts of salt and 200 parts of water

7 : 200

7 / 200

= 0.035

Since,

k = 0.035 ; 7 / 200 = 0.035

Hence, a proportional relationship exists.

7 0
3 years ago
Which quadratic function in standard form can be represented by the graph that has a vertex at (6, 3) and passes through the poi
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Answer:

Step-by-step explanation:

8 0
3 years ago
Find three solutions of the equation y=9x-4?
Bas_tet [7]
<span>answer
A) (-5,-49),(-2,-22),(3,23)

</span>when x = - 5 ; y=9x-4 = 9(-5) -4  = -49
when x = - 2 ; y=9x-4 = 9(-2) -4  = -22
when x = 3 ; y=9x-4 = 9(3) -4  = 23
6 0
3 years ago
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Enita is factoring the expression 32 a b minus 8 b. She determines the GCF and writes the factored expression as 8 b (4 a minus
sattari [20]

This shows that the greatest common factor is 8, Hence Venita's error is that she incorrectly determined the GCF.

<h3>Greatest common factor</h3>

Given the following expression

32ab - 8

Find the factors of each terms

32ab = 8 * 4. * a * b

8 = 8 * 1

Since 8 is common to both factors, hence

32ab - 8 = 8(4ab -1)

This shows that the greatest common factor is 8, Hence Venita's error is that she incorrectly determined the GCF.

Learn more on GCF here; brainly.com/question/219464

#SPJ1

8 0
2 years ago
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