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3 years ago

5+8-2x2 find all the possibilities for each problem by placing parenthesis in different places

Mathematics

1 answer:

erastova [34]3 years ago

6 0

(5+8) - 2x2
5+8 - (2x2)
That’s all I can say Bc you can’t do
5+ (8-2) x2
Or vice versa <3

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Sophia and isabella get a reward of 117 dollars ina ratio of 1:8.What fraction of the reward does sophia get?

worty [1.4K]

Answer:

The amount of reward that Sophia receives is $\$13$

Step-by-step explanation:

Let

x------> amount of reward that Sophia receives

y-----> amount of reward that Isabella receives

we know that

$\frac{x}{y}=\frac{1}{8}$

$x=\frac{1}{8}y$ ------> equation A

$x+y=117$ -----> equation B

Substitute equation A in equation B

$\frac{1}{8}y+y=117$

$\frac{9}{8}y=117$

$y=117*8/9=\$104$

Find the value of x

$x=\frac{1}{8}(104)=\$13$

3 0

3 years ago

How do I confirm that f and g are inverses?

Anestetic [448]

Answer:

see explanation

Step-by-step explanation:

To show f and g are inverses we require to show that

f(g(x)) = x and g(f(x)) = x

f(g(x))

= f(6x - 4)

= $\frac{6x-4+4}{6}$ = $\frac{6x}{6}$ = x

-----------------------------------------------------------------------------

g(f(x))

= g( $\frac{x+4}{6}$ )

= ( 6 × $\frac{x+4}{6}$ ) - 4

= x + 4 - 4 = x

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Hence f and g are inverses

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4 years ago

How many license plates can be made using 3 digits and 3 letters of repeated digits and letters are allowed? how many can be mad

BARSIC [14]

26 total letters, 10 total digits

with repeated letters/numbers:

26 * 26 *26 * 10* 10*10 = 17,576,000 ways

without repeats:

26 *25*24 *10 *9*8 = 11,232,000 ways

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3 years ago

675 students in a school .canteen is giving 100 free apples for all the students .calculate how much would a child receive from

Nina [5.8K]

Since there are 675 students in a school and the canteen is giving 100 free apples to all the students, therefore, one student will receive less than one apple.

One student will receive $\frac{100}{675}=\frac{4}{27}$ part of an apple.

This information can be further interpreted as a percentage by doing the following calculation:

$\frac{4}{27}\times 100\approx14.81%$

Thus, we can say that one student receives 14.81% of an apple. (Note that 100% represents one full apple).

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3 years ago

Read 2 more answers

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krok68 [10]

Answer:

Option 1 and 3

Step-by-step explanation:

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3 years ago