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3 years ago

8. Explain why 30+1 = 6 is the same as 30 -/-/--/-X-X = 0. What is

Mathematics

2 answers:

Sergeeva-Olga [200]3 years ago

4 0

Answer:

Step-by-step explanation:

5 because of two ways one you could do 6*what is 30. Or you could do repeated addition 30=5+5+5+5+5+5. But when you do 30=5-5-5-5-5-5. You are doing repeated subtraction which is equivalent to 30-5*6= 0.

Hope this helps more than the link! :)

anyanavicka [17]3 years ago

3 0

The answer if 5 because because you can first divide 30 by 6 then get 5, and you can check that answer by subtracting 6 from 30, 5 times -hope this helps

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3 years ago

F(-2) = -1 and g(1) = -2<br> (Fog)(1)

yulyashka [42]

The value of the composite function fog(1) is -1

Step-by-step explanation:

Step 1 :

Given,

f(-2) = -1

g(1) = -2

We need to find (fog)(1)

Step 2 :

Function f(2) means the value of the function f when x = 2

fog refers to composite function f(g(x)), that is evaluate the function g for x and then evaluate the function f for the result

So to find the composite function (fog)(1) we need to find g(1) first and then apply the function f on the result.

so g(1) = -2

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fog(1) = -1

Step 3 :

Answer :

The value of the composite function is -1

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3 years ago

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UkoKoshka [18]

Answer:

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3 years ago

A baker is looking for a recipe that has the lowest unit rate for flour per batch of muffins. Which recipe should she use?

Ainat [17]

Ok so to find best price, find cost per unit or unit rate

so what we do is
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A.1/2 cup for 2/3, (1/2)/(2/3), 1/2 times 3/2, 3/4 cup per batch

B. 1/3 per 1/4 batch, (1/3)/(1/4), 1/3 times 4/1, 4/3 cup per batch=1 and 1/3

C. 2/3 cup for 1/2 batch, (2/3)/(1/2), 2/3 times 2/1, 4/3 cp per batch=1 and 1/3

D. 3/4 cup per 2/3 batch, (3/4)/(2/3), 3/4 times 3/2, 9/8 cup per batch=1 and 18/

lowest unit rate is 3/4 cup per batch since others are greater than 1

answer is A

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4 years ago