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Morgarella [4.7K]
2 years ago
12

Need help with math PART 3

Mathematics
2 answers:
Llana [10]2 years ago
4 0

Answer: x= 40, x= 17,x= 5, x=83

Step-by-step explanation:

These are the answers in order :)

mixas84 [53]2 years ago
3 0

Answer:

1. x=40

2. x=17

3. x=5

4. x=83

Step-by-step explanation:

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What is the opposite of the opposite of -2
melisa1 [442]

Answer:

2 is the opposite of-2 and -2 is the opposite of 2

3 0
3 years ago
Suppose y varies directly with x. Write a direct variation equation that relates x and y. y=7 1/2 when x=3
kolbaska11 [484]

Answer:

y/x = 2.5

Step-by-step explanation:

y ∝ x

change ∝ to = by adding constant k or c

y = kx

Divide both sides by x

y/x = k, also k = y/x

Input the values

k = (7 1/2)/3.  Change 7 1/2 to improper fraction to give 15/2

k = (15/2)/3

k = \frac{15}{2} ÷ 3  

Change the division sign to multiplication which will change 3 to its inverse(1/3)

k = \frac{15}{2} × \frac{1}{3}

k = \frac{15}{6}

Divide the numerator and denominator by 3 to get 5/2

k = 5/2

From y/x = k,input k into the eqn

y/x = 5/2

y/x = 2.5

8 0
3 years ago
Quick! Need hell, anyone know the answer?
jeka57 [31]
The first bubble is the answer
6 0
3 years ago
Read 2 more answers
A $3000 loan has an annual interest rate of 6.6% on the amount borrowed. How much time has elapsed if the interest is now $1386?
san4es73 [151]

Answer:

7

Step-by-step explanation:

time=<u>interest</u>

           P*R

time=<u>1386*</u>100

   6.6 * 3000

<u>time=7</u>

7 0
2 years ago
Iluguru sold an artick to bol to gain 20% Thereafteru
Anastasy [175]

Answer: £5

Step-by-step explanation:

Bole sold the article for 125% while he bought it for 100%.

Bole sold for £7.50 so £7.50=125%

£7.50/1.25=£6

125%/1.25=100%

£6=100% (the cost Bole bought the article with from Iluguru)

Iluguru sold it at 120% so 120% is £6

To find 100% we divide by 1.2

£6/1.2=£5

Iluguru bought article for £5 originally

8 0
3 years ago
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