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2 years ago

The scale on a blueprint indicates that ½ " equals 10 feet. What would be the ratio for this blueprint?

Mathematics

1 answer:

max2010maxim [7]2 years ago

6 0

Answer:

the ratio for this blueprint is 1:20

Step-by-step explanation:

The scale on a blueprint indicates that ½ " equals 10 feet

The ratio is in the form of a:b

Here from the given information

the value of 'a' is 1/2 and the value of b is 10

so the ratio a:b becomes

$\frac{1}{2} : 10$

Multiply both sides of the ratio by 2 to remove fraction

$1:20$

so the ratio for this blueprint is 1:20

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Find the values of a and b that make the second expression equivalent to the first expression. Assume that x > 0 and y ≥ 0. S

mixas84 [53]

Answer:What was done from the first to the second equation was that the fraction was simplified. 126 and 32 have a common factors of 2.

126/32=(63*2)/(16*2)

The 2s in the top and bottom can cancel out, leaving the fraction 63/16.

In addition, since there are x terms on the top and bottom, they cancelled out as well.

x/x^3=1/x^2

This leaves an x^2 term on the bottom.

Thus, if a is 16, and b is 2, you will have an equivalent form of the fraction.

Step-by-step explanation:

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2 years ago

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Consider the equation pV=kTN , where k is a constant. Select all of the correct answers that describe the variation between vari

Mumz [18]

Answer:

See below

Step-by-step explanation:

Rule: If the variables are on the same side of the equal sign, they vary INVERSELY.

If the variables are on the opposite side of the equal Sign, they very DIRECTLY.

a) T and V

Opposite sides
Directly

b) p and T

Opposite Sides
Directly

c) N and V

Opposite Sides
Directly

d) N and T

Same Side
Inversely

e) p and N

Opposite Sides
Directly

f) V and P

Same Side
Inversely.

4 0

2 years ago

Find the surface area of the triangular prism. A triangular prism. The base is a right triangle with base 1 foot, height 2 feet

mylen [45]

Answer:

Step-by-step explanation:

The formula for calculating the surface area of a triangular prism is expressed as shown below:

SA= bh + pH

b= base of the triangle

h- height of the triangle

p= perimeter of the triangle

H= height of the prism

Given b = 1foot

h = 2feet

perimeter of the triangle = sum of all its sides = 1ft + 2ft + 2.2ft

p = 5.2ft

H = 3ft

Substituting the values into the formula for finding the surface area:

SA = 1(2)+5.2(3)

SA = 2+15.6

SA = 17.6ft²

The surface area of the triangular prism is 17.6ft²

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2 years ago

You paid $36.20 for a sweater that originally cost $90.50. What percentage of the original price was the sweater on sale for?You

marin [14]

Answer:

32.761 %

Step-by-step explanation:

Percentage is any fraction or ration expressed as a fraction of 100.

Percentage is calculated using formula

If A has to be expressed as percentage of then it can be expressed as

A/B * 100 in percentage form .

For given problem price paid for sweater = $36.20

original price of sweater = $90.50

Problem is to express percentage of price for which sweater was on sale for.

It can be mathematically expressed as

what is 36.20% of 90.5

percentage of price for which sweater was on sale for = (price paid for sweater/original price of sweater ) * 100

It can be mathematically expressed as

what is 36.20% of 90.5

=> ($36.20/$90.50 )* 100= 32.761.

32.761 % of the original price sweater was on sale for.

For better understanding ,It can also be said that that if the original price of sweater had been $100, then you would have got it at $32.761 .

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2 years ago

Two objects are moving along separate linear paths where each path is described by position, d, and time, t. The variable d is m

Maru [420]

I am not sure about this but here goes nothing: d=2.5t+2.2 is very familiar to y=mx+b y=d m=2.5 x=t b=2.2 to find a new quasion we substitute d and t into place wich equals 1=2.5(0)+b simplification and you get b=1 so your answer is d=2.5t+1

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2 years ago

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