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3 years ago

How many sums????????????????? EXPLAIN!

Mathematics

1 answer:

zubka84 [21]3 years ago

4 0

Answer: 7

Step-by-step explanation:

The 1st spinner can land on 2, 3, 4, or 5

The 2nd spinner can land on 2 or 3

The 3rd spinner can land on 6, 7, or 8

1st spinner + 2nd spinner + 3rd spinner:

2 + 2 + 6 = 10, 2 + 2 + 7 = 11, 2 + 2 + 8 = 12 --> 3 different sums

2 + 3 + 6 = 11, 2 + 3 + 7 = 12, 2 + 3 + 8 = 13 --> 1 different sum

This pattern follows where the only new sums are as follows:

3 + 3 + 8 = 14

4 + 3 + 8 = 15

5 + 3 + 8 = 16

This makes a total of 7 different sums.

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Whats 9 discount to 4

daser333 [38]

What’s 9 discount to 4
let’s analyze the given data. 9 is the 100% and 4 is the discount. Thus we have 5 left.
=> 9 – 4 = 5
To get the answer, let’s divide the discount amount to the total amount which is 4 and 9
=> 4 / 9 = 0.44
Since we already have the decimal value, let’s multiply this by 100%
=> 0.44 *100% = 44%
Thus the discount is 44%. And what is remaining is:
=> 100% - 44% = 66%

7 0

3 years ago

If you double a number and then add 28, you get four ninths of the original number. What is the original number?

anastassius [24]

Answer:

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Step-by-step explanation:

7 0

3 years ago

Rewrite the equation by completing the square. x^2-14+33=0

KengaRu [80]

Answer:

(x - 7)² = 16

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Algebra I

Completing the Square

Step-by-step explanation:

Step 1: Define

x² - 14x + 33 = 0

Step 2: Rewrite

Isolate x terms: x² - 14x = -33
Complete the Square: x² - 14x + 49 = -33 + 49
Reduce: (x - 7)² = 16

And we have our rewritten form!

7 0

3 years ago

Help plz im confused

dsp73

Answer:

x = 16

Step-by-step explanation:

Δ ABC and Δ ADE are similar , thus the ratios of corresponding sides are equal, that is

$\frac{AB}{AD}$ = $\frac{BC}{DE}$ , substitute values

$\frac{x}{x+6}$ = $\frac{8}{11}$ ( cross- multiply )

11x = 8(x + 6)

11x = 8x + 48 ( subtract 8x from both sides )

3x = 48 ( divide both sides by 3 )

x = 16

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3 years ago

Choose the numbers that are factors of 112. (Hint: Use the divisibility rules to help you!) 2 3 4 6 7 8

Svetlanka [38]

Divide 112 by the possible answers. If the answer comes out even it is a factor. If it comes out with a decimal it is not a factor:

112 / 2 = 56, so 2 is a factor.

112/3 = 37.333., 3 is not a factor.

112 /4 = 28, 4 is a factor.

112 / 6 = 18.66, 6 is not a factor.

112 / 7 = 16, 7 is a factor.

112/8 = 14, 8 is a factor.

The factors are: 2 , 4 ,7 and 8.

5 0

4 years ago

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