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mihalych1998 [28]
3 years ago
14

Share 72 sweets in the ratio 8:1

Mathematics
2 answers:
Natalka [10]3 years ago
8 0
To find the value of you change the ratio to 8/1 or 8 and


Now divide 72 by the total number. 

72/8 = 9


<span>Answer = 9</span>
nexus9112 [7]3 years ago
7 0
To find the value of 1 out of all pieces divided, add the ratios.
8+1= 9


Now divide 72 by the total number. 

72/9 = 8 (the value of one 1 unit)


Now to find the value of 8 units= 8*8 = 64

Value of 1 unit= 8
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Simplify the following expression. 2x^2 + 7x+ 3 / x^2 - 9
podryga [215]

Answer:

(x3 - 3x2 - 6x - 3) • (2x - 1)

 ——————————————

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Step-by-step explanation:

6 0
2 years ago
One rule of thumb for estimating crowds is that each person occupies 2.3 square feet. Use this value to estimate the size of a c
dybincka [34]

Answer:

150,595

Step-by-step explanation:

First, convert miles to feet:

4.1 mi × (5280 ft/mi) = 21648 ft

The area that the crowd takes up is:

2 × 8 ft × 21648 ft = 346368 ft²

The number of people is:

346368 ft² × (1 person / 2.3 ft²) = 150594.8

Rounding to the nearest integer, there are approximately 150,595 people in the crowd.

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2 years ago
2x^2+5x+3/x^2-3x-4 divided by 4x^2+2x-6/x^2-8x+16
Masja [62]

Answer: \frac{x-4}{2x-2}

Step-by-step explanation:

\frac{2x^2+5x+3}{x^2-3x-4} divided by \frac{4x^2+2x-6}{x^2-8x+16} is the same thing as multiplying \frac{2x^2+5x+3}{x^2-3x-4} by \frac{x^2-8x+16}{4x^2+2x-6}.

The equation we get is:

\frac{2x^2+5x+3}{x^2-3x-4}*\frac{x^2-8x+16}{4x^2+2x-6}

With this equation, we can factor each equation:

\frac{(x+1)(2x+3)}{(x+1)(x-4)} *\frac{(x-4)(x-4)}{2(x-1)(2x+3)}

We can cancel out like terms since they would be dividing each other:

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8 0
3 years ago
Solve the following problems:
siniylev [52]

Answer:

  DB = 13 cm

Step-by-step explanation:

ΔCAB ≅ ΔDBA by ASA, so CA ≅ DB by CPCTC.

CA = 13 cm, so DB = 13 cm.

8 0
2 years ago
Read 2 more answers
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leva [86]

Answer:

6p - 2

Step-by-step explanation:

The expression that needs to be made in this question refers to the total number of people that signed the petition. To calculate this we need to add the total number of signatures that both you and your friend were able to acquire. Once we do this we simply combine like terms in order to simplify the expression as much as possible.

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6p - 2

Therefore, the total and simplified expression for the total number of signatures would be 6p - 2

8 0
2 years ago
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