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Harman [31]
3 years ago
7

Solve 20/15 = n/18 for the unknown quantity n

Mathematics
1 answer:
Nataliya [291]3 years ago
5 0

Answer:

<h2>n = 24</h2>

Step-by-step explanation:

\dfrac{20}{15}=\dfrac{n}{18}\qquad\text{cross multiply}\\\\15n=(20)(18)\\\\15n=360\qquad\text{divide both sides by 15}\\\\n=24

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You are organizing books on a shelf. Each book has a width of 3/4 inch. Write and solve an inequality for the numbers of books b
Rasek [7]

Complete Question

You are organizing books on a shelf. Each book has a width of 3/4 inch. The number of shelves is 12.

Write and solve an inequality for the numbers of books b that can fit on the shelf.

Answer:

a) Inequality for the numbers of books b that can fit on the shelf

= b ≤ 3x/4

b) The numbers of books b that can fit on the shelf is b ≤ 9 books

Step-by-step explanation:

Let the number of books = b

Let us assume the number of shelves= x

Each book has a width of 3/4 inch.

Therefore,

b ≤ 3/4 × x

b ≤ 3x/4

If the number of the shelves is 12

Therefore, the number of books bis

b ≤ 3 × 12/4

b ≤ 9 books

3 0
3 years ago
The logarithmic functions, f(x) and g(x), are shown on the graph.
Masteriza [31]

Answer:

g(x) = log(x + 1) + 4

Step-by-step explanation:

The graph of g(x) is shifted 1 unit left and 4 units right from its parent function.

8 0
2 years ago
9x² - 12x + 4 <br><br>pls need ans.​
kolezko [41]

Step-by-step explanation:

\tt{9 {x}^{2}  - 12x + 4}

Here, the second order of polynomial ax² + bx + c is factorized and expressed as the product of two linear factors. First, we have to find the two numbers that adds to 12 and if we multiply those numbers , we get 36 ( The two numbers should be 6 and 6 ).

⟶ \tt{9 {x}^{2}  - (6 + 6)x + 4}

⟶ \tt{9 {x}^{2}  - 6x - 6x + 4} { Distribute x through the parentheses )

⟶ \tt{ \underbrace{9 {x}^{2}  - 6x}} \:  -  \underbrace{6x + 4}

⟶ \tt{3x(3x - 2) - 2(3x - 2)}

⟶ \tt{(3x - 2)(3x - 2)}

⟶ \tt{ {(3x - 2)}^{2} }

\pink{ \boxed{ \boxed{ \tt{ Our \: final \: answer :  \boxed{ \underline{ \tt{{(3x - 2)}^{2} }}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

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4 0
3 years ago
Please help!!<br><br><br> Explain how to describe the data on a histogram.
laila [671]

Answer:

In a histogram, the distribution of the data is symmetric if it has one prominent peak and equal tails to the left and the right. The Median and the Mean of a symmetric dataset are similar.

Step-by-step explanation:

5 0
3 years ago
What is the solution to the system of equations?
podryga [215]

Answer:

C

Step-by-step explanation:

the solution is at the point of intersection of the 2 lines.

the lines intersect at (1, 4 ) , then

solution to the system of equations is (1, 4 )

5 0
2 years ago
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