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Kisachek [45]
3 years ago
12

on a drawing, the height of a school block is 4cm. Given that the actual heigh of the block is 30m, find the scale of the drawin

g, expressing your answer in the form of 1cm to n m, where n is a real number
Mathematics
1 answer:
Aloiza [94]3 years ago
3 0

Answer:

1 cm to 7.5 m

Step-by-step explanation:

A drawing scale is a ratio of two numbers.

The given scale, 4 cm to 30 m, can be written as a ratio in the form of a fraction,

(4 cm)/(30 m)

Since it can be written as a fraction, it can also be reduced like a fraction.

The problem wants the number of cm to be 1 cm. We have 4 cm.

Divide the numerator and denominator by 4.

(1 cm)/(7.5 m)

Now write it in the format the problem asks.

1 cm to 7.5 m

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Identify whether the problem is a percent increase or a percent decrease. Your $1000 investment earned 5% interest.
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Answer:

Precent Increase

Step-by-step explanation:

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3 years ago
What is the mode of the data set?<br><br> A. 8<br> B. 9<br> C. 10<br> D. 5
Lunna [17]

Answer:

A: 8

Step-by-step explanation:

The mode is the value that appears most frequently in a data set. A set of data may have one mode, more than one mode, or no mode at all. ... The mode can be the same value as the mean and/or median, but this is usually not the case

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3 years ago
The diagram shows a right-angled triangle.
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Where is the diagram?
4 0
3 years ago
The specifications for an electronic device state that it is to be operated in a room with relative humidity ℎ defined by |ℎ − 5
Nadya [2.5K]

Answer: \Large\boxed{20 < h < 80}

Step-by-step explanation:

<u>Given inequality </u>

|h-50| < 30

<u>The goal of the question</u>

To find the minimum and maximum of the relative humidities

For this question, we need to solve the inequality

<u>Simplify the absolute value sign</u>

h-50 < 30          or          h-50 > -30

<u>Add 50 on both sides</u>

h-50+50 < 30+50          or          h-50+50 > -30+50

       \Large\boxed{h < 80}                   or                    \Large\boxed{h > 20}

Hope this helps!! :)

Please let me know if you have any questions

5 0
1 year ago
Consider the following expression and determine which statements are true.
Serhud [2]

Given:

$\frac{7}{r}+2^{3}+\frac{s}{3}+11

To find:

Which statement are true?

Solution:

Option A: The entire expression is a sum.

It is true because it performed addition operation.

Option B: The coefficient of s is 3.

$\frac{7}{r}+2^{3}+\frac{s}{3}+11=\frac{7}{r}+2^{3}+\frac{1}{3}s+11

It is not true because the coefficient of s is \frac{1}{3}.

Option C: The term \frac{7}{r} is a quotient.

If we divide 7 by r, we obtain a quotient.

So it is true.

Option D: The term 2^3 has a variable.

It is not true because it does not contain any variable.

Therefore the entire expression is a sum and the term \frac{7}{r} is a quotient are true statement.

3 0
3 years ago
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