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just olya [345]
2 years ago
11

Somebody pls help me im not very smart 7u7

Mathematics
1 answer:
timurjin [86]2 years ago
8 0

Answer:

1  \2 (7 + 12)6 \\ 1 \2(19)6 \\ 114 \times 1 \2 = 72

so therefore area is 72cm²

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The ratio of destroyers to battleships in the navy is 20:15. If the total number of boats is 105, how many battleships are there
Elina [12.6K]

Answer:

45

Step-by-step explanation:

20:15 the ratio can be turned to a fraction

20/15

simplify

4/3

so now add the numerator and the denominator and get 7

then do 105/7=15

and then you do

4x15=60 (Destroyers)

3x15=45 (Battleships)

45 is your answer

7 0
3 years ago
Which represents the solution set of inequality 5x-9 <21
Crank

Answer:

x

All real numbers less than 6

Step-by-step explanation:

we have

5x-9

Adds 9 both sides

5x-9+9

5x

Divide by 5 both sides

x

the solution is the interval ---------> (-∞,6)

All real numbers less than 6

see the attached figure to better understand the problem

5 0
4 years ago
Read 2 more answers
There are 18 cupcakes. How many 3/4 size servings can you make? Answer<br> without units.
Zolol [24]

Answer:

If each serving is 3/4 of a cupcake then we have to multiply 18* 3/4 to get the answer of 13.5 and a half servings.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Sarah scored an 8/10 on the spelling test and Jonathan scored 75% of Sarah’s score on the spelling test. What is the score of Jo
Fudgin [204]

\frac{3}{5} is the score of Jonathan.

<h3 /><h3>What is percentage?</h3>

Percentage, which may also be referred to as percent, is a fraction of a number out of 100%. Percentage means "per 100" and denotes a piece of a total amount.

To calculate the percentage , Use the percentage formula:

X * \frac{Percentage}{100} = Y

According to the question:

Sarah scored on the spelling test  = \frac{8}{10}

Jonathan scored  = 75%

By formulating both the values;

\frac{8}{10}  * \frac{75}{100}

= \frac{3}{5}

Therefore , \frac{3}{5} is the score of Jonathan.

Learn more about percentage here:

brainly.com/question/13450942

#SPJ1

8 0
2 years ago
2xy=4(1/2xy) because
frutty [35]
Because, when 4 multiply by 1/2 will equal 2, so 2xy=4(1/2xy)
8 0
3 years ago
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