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PtichkaEL [24]
3 years ago
6

PLEASE HELP ME WITH THIS QUESTION

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
6 0

Answer:

me dont know

Step-by-step explanation:

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The length of a building is 720 in. Use dimensional analysis to convert this quantity to yards.
valentina_108 [34]

Answer:

20 yards

Step-by-step explanation:

First, we have to know how to get from inches to yards. 12 inches = 1 foot, and 3 feet = 1 yard.

Next, we have

\frac{720 in}{1}

as a given. We want to multiply this by our conversions to get the end amount in yards.

We can first multiply our expression by 12 inches = 1 foot. To do this, we can set one number as the divisor and one as the dividend, e.g. 12 inches /  1 foot. However, to figure out which number should be the numerator/denominator, we first must examine our original expression. We want to multiply it by a value that cancels something out in conversion. To do this, we can have the same unit of something in the numerator in one and the denominator in the other in terms of what we're multiplying. Here, we can see that \frac{720 in}{1} has inches on the top, so we want inches on the bottom in 12 inches = 1 foot. Therefore, we have

\frac{720 in}{1} * \frac{1 foot}{12 inches}

= \frac{720feet}{12}

= 60 feet

= \frac{60 feet }{1}

We have feet as the numerator, so we want feet in the denominator in what we're multiplying this by. In 3 feet = 1 yard, we can multiply this to get

\frac{60 feet }{1} * \frac{1 yard}{3 feet} \\= \frac{60 yards}{3}

= 20 yards

3 0
3 years ago
The legs of an iscosceles triangle have lengths 3x-1 and -x +27. The base has length 5x+1. What is the length of the base
asambeis [7]

Answer: 36

Step-by-step explanation:

The legs are given to be :

3x - 1 and -x + 27

The base = 5x + 1

One of the properties of an isosceles triangle is that two sides are equal , that is the two legs are equal. This means that

3x - 1 = - x + 27

3x + x = 27 + 1

4x = 28

x = 7

To calculate the length of the base, substitute x = 7 into the length of the base given , that is

Length of the base = 5(7) + 1

L = 35 + 1

L = 36

7 0
4 years ago
Work out the area of a rectangle with base, <br> b<br> = 34mm and perimeter, <br> P<br> = 88mm.
almond37 [142]
Answer is : 2,992
just multiply both side
i'm sorry is it wrong i'm new to this
8 0
3 years ago
Read 2 more answers
Divide. Write the quotient in lowest terms.<br> 4 2/3 / 7
Degger [83]

The quotient in lowest term exists 2/3.

<h3>What is an improper fraction?</h3>

An improper fraction exists as a fraction whose numerator exists equivalent to, larger than, or of equivalent or higher degree than the denominator.

Given the quotient: $4\frac{2}{3} \div 7

Write $\frac{2}{3} in improper fraction

$4\frac{2}{3}= \frac{14}{3}

Dividing throughout by 7 on both sides of the equation, we get

$4\frac{2}{3} \div 7 = \frac{14}{3}\div 7

Change the division sign to multiplication by taking the reciprocal of 7

$\frac{14}{3}\div 7 = \frac{14}{3} \times \frac{1}{7}

Simplifying the above equation, we get

$\frac{14}{3}\div 7 = \frac{2}{3}

Therefore, the quotient in lowest term exists 2/3.

To learn more about improper fractions refer to:

brainly.com/question/387381

#SPJ9

5 0
2 years ago
When given <br> Slope= -6/5<br> Y-intercept= 2 <br> What is this in Point-Slope form?
marishachu [46]

-------------------------------------------------------------------------------------------------------------

Answer:  \textsf{y - 2 = -6/5(x - 0)}

-------------------------------------------------------------------------------------------------------------

Given:  \textsf{Slope = -6/5, Goes through (0, 2)}

Find:  \textsf{The equation in point-slope form}

Solution: We need to take the values that were given to us and plug them into the point-slope form.  It doesn't seem like the problem is asking for anything more than that so we will leave it at that.

<u>Plug in the values</u>

  • \textsf{y - y}_1\textsf{ = m(x - x}_1\textsf{)}
  • \textsf{y - 2 = -6/5(x - 0)}

Since the problem is just asking for the equation in point-slope form the final expression would be y - 2 = -6/5(x - 0).

6 0
2 years ago
Read 2 more answers
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