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STALIN [3.7K]
3 years ago
15

Can someone please explain to me step by step how to do these

Mathematics
1 answer:
alexira [117]3 years ago
8 0
2)  1/12 times 3/5 = 1*3 = 3     12*5 = 60     3/60 3 and sixty divided by 3
       = 1/20 ANSWER

3) (-5/8)(-12/5) = the two 5's cancel each other. This becomes (-1/5)(-12/5) = 12/8 12 and 8 divided by 4 
= 3/2 ANSWER

4) 6/7 divided by 8/7 becomes 6/7 times 7/8 
7's cancel each other  becomes 6/8  
6 and 8 divided by 2
= 3/4 ANSWER
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Ira has 128 stamps in his stamp album he has the same number of stamps in each of 8 pages how many stamp are on each page
S_A_V [24]

Answer:

16

Step-by-step explanation:

128 stamps and 8 pages have the same amount to add up to 128

So 128 ÷ 8 I'll make it easier

8÷8=1

40÷8=5

80÷8=10

(128÷8)

10+5+1 = 16

There are 16 stamps per page.

3 0
3 years ago
Read 2 more answers
Milton purchases a 5 gallon aquarium for his bed room.to fill the asquarium with water,he uses a conrainer with a capacity of 1
polet [3.4K]
20 quarts equal 5 gallons
7 0
3 years ago
Find the measures of the supplementary angles that satisfy each case.
seropon [69]

Answer:

67.5°, 107.5°

Step-by-step explanation:

For supplementary angles, their sum equals 180°.

Let x be the first angle and y be the second angle, then

x + y = 180°.

It is given that x = y + 45°.

So x + y = 180°

substituting x into the equation, we have

y + 45° + y = 180°

simplifying, we have

2y + 45° = 180°

collecting like terms, we have

2y = 180° - 45°

2y = 135°

dividing through by 2, we have

y = 135°/2

y = 67.5°

Since y = 67.5°

then x = y + 45°

x = 67.5° + 45°

x = 107.5°

3 0
3 years ago
Writing and evaluating a function that models a real-world situation: advanced
Wittaler [7]
So in this equation we're given that Ravi puts $350 into his account, this means that when W=0, S=350. Or that the y-intcpt(b) is 350.

when we find an equation we use slope intcpt formula:

y = mx + b

M in this case is the slope or the amount S

changes for every value of W. So if Ravi adds $70 every day that means the amount of money in his account increases by $70 everyday, so we can say m= 70

So putting together the equation with b= 350 and m = 70 we get :

S = 70W + 350 \:

Calculating for 17 weeks or W = 17

S = \: 70 \times 17 \: + 350 \\ S = 1190 \: + 350 = 1540

Ans: $1540
3 0
3 years ago
you invest $1000 dollars in an account at 2.5% per year simple interest. How much will you have in the account at the beginning
Lina20 [59]
<span>I = PRT

</span><span>P = 1000
R = 2.5% -- change to a decimal = .025
T = 3
</span>
<span> now we sub I = PRT
I = (1000)(.025)(3)
I = 75
</span><span> so at the end of 3 years, there will be : 1000 + 75 = $ 1075 in the account
</span>
Hope this helps!!
~Lena~
<span />
7 0
4 years ago
Read 2 more answers
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