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Elden [556K]
3 years ago
12

How do you make 'a' the subject of the formula: ab - cd = ac

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
3 0
First bring all terms in 'a' to the left side of the formula by subtracting ac from both sides

ab - ac - cd = ac - ac 
ab - ac - cd = 0
now add cd to both sides
ab - ac -cd + cd = cd
ab - ac = cd
now factor the left side by taking out the 'a' 
a(b-c) = cd
now divide both sides by (b-c)
a = cd / (b-c)
done

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4 0
3 years ago
A company makes 140 bags.
malfutka [58]

Answer:

71

Step-by-step explanation:

The question says we have 140 bags and we have 4 models

bags have buttons but no zips.

bags have zips but no buttons.

bags have neither zips nor buttons

bags have both zips and buttons

We don't know how many bags have zips and buttons but we know how many bags are produced. And other 3 types of bags number. So we can calculate

140-47-48-22=23

That means we have 23 bags that have zips and buttons

and

48 of the bags have zips too. that means we have 48+23=71 bags that have zips on them.

8 0
2 years ago
Can a linear function be continuous but not have a domain and range of all real numbers
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4 0
3 years ago
For triangle ABC, m(∠A) = 30° and m(∠B)= 115°. Which of the following lists the sides of the triangle from shortest to longest?
Oliga [24]
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7 0
3 years ago
Read 2 more answers
An angle measures 40° less than the measure of its supplementary angle. What is the measure of each angle?
Vilka [71]

Step-by-step explanation:

(180-x)-40=X

140 -x=X

140= 2x

x=140/2

x=70

the answer is 70 degree

4 0
2 years ago
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