MATHEMATICS HIGH SCHOOL

Divide. Express your answer in simplest form.
11/12 divided by 3/4

Answers

Answer 1
Answer: 11/12 : 3/4 =11/12 *4/3 =11/9
before go to 11/9, you have to simplify the answer
Answer 2
Answer: 11/12 divided by 3/4

11/12 • 4/3 (multiply by the reciprocal)
OR
Multiply from top to bottom
(11•4) • (12•3) = 44/36

Simplify (Divide top and bottom by the highest common factor... which in this case is 4)

Answer: 11/9

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Find f (g (x)) if f(x)=sqrtx+8; g (x)=8x-12

Answers

f(g(x)) = f(8x-12)

f(8x-12) = √((8x-12) +8) = √(8x -12 + 8) = \boxed{√(8x -4)}

Calculate an estimate for the mean temperature

Answers

The temperature was in the range of 10-13 on 7 of the days.
Give it the weight of the middle of the range = 11.5 for 7 times = 80.5

The temperature was in the range of 14-17 on 9 of the days.
Give it the weight of the middle of the range = 15.5 for 9 times = 139.5

The temperature was in the range of 18-21 on 16 of the days.
Give it the weight of the middle of the range = 19.5 for 16 times = 312

The temperature was in the range of 22-25 on 22 of the days.
Give it the weight of the middle of the range = 23.5 for 22 times = 517

The temperature was in the range of 26-29 on 6 of the days.
Give it the weight of the middle of the range = 27.5 for 6 times = 165

Total weight for all ranges = (80.5 + 139.5 + 312 + 517 + 165) = 1,214

Total number of days = 60

Estimated mean temperature = (1,214) / (60) = 20.23°C




For the bake sale, Sandra baked 4 trays of cookies, with 12 cookies oneach tray. Teo baked 6 pans of brownies and divided each pan into 8
pieces. How many items will Sandra and Teo have for sale in total? Write
a mathematical expression, then solve your expression to find the
answer.

Answers

Answer:

Total is 96

Step-by-step explanation:

Answer:

Step-by-step explanation:

12 x 4= 48

8 x 6= 32

48 +32= 80

Hope this helps

a women earn $2600 per month and budget $520 per month for food .what is her monthly income is spent on food /

Answers

$2600 per month earning 
$520 per month on food 

Her monthly income spent on foo is about $520. 

What percentage of the shape is purple

Answers

the answer is going to be: 75%

Answer:

75% of the circle is purple

Step-by-step explanation:

this circle is split into 4ths, meaning each piece is equivalent to 25%. And since 3 pieces are purple, you multiply 25x3 to get 75. Leaving 25% of the circle white.

What is 2x – 45 = 7x – 9x –x

Answers

Hi,

2x - 45 = - 3x

2x + 3x = 45

x = 45/5 = 9.

Answer:

x=9

Step-by-step explanation:

2x-45=7x-9x-x

2x-45= -3x

5x=45

x=9
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