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Ratling [72]
3 years ago
15

1.

Mathematics
2 answers:
Serhud [2]3 years ago
6 0

Answer:

D 7x -28 i think it is like this

MAXImum [283]3 years ago
4 0
3(5x-6)-2(4x+5)
15x-18-8x-10
Collect like terms:
15x-8x-18-10
= 7x-28
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A bank says you can double your money in 10 years if you put $1,000 in a simple interest account. What annual interest rate does
katrin2010 [14]

The simple interest formula allows us to calculate I, which is the interest earned or charged on a loan. According to this formula, the amount of interest is given by I = Prt, where P is the principal, r is the annual interest rate in decimal form, and t is the loan period expressed in years. The rate r must be converted from a percentage into decimal form.

Then, 2,000 = 1,000 * r * 10 ;

 Finally, r = 2 ÷ 10 = 20 ÷ 100 = 0.2

hope this helps you

8 0
3 years ago
A class has a ratio of boys to girls 3:4.
Nat2105 [25]

Answer:

a)F

b)A

c)F

d)F

Step-by-step explanation:

a)3+4=7 which is the total number of pupils in class

So, the fraction should be 3/7✅not 3/4❌

b) The girls in the class are 4 and the total number of pupils in class are 7. So, the fraction is correct✅.

c) The number of boys in class is 3✅ which is given in the ratio. Not 6❌

d) If you add the both numbers in the ratio, you will get the total number of pupils which is 7✅not 12❌

Hope this will help ya!

4 0
3 years ago
Read 2 more answers
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7 0
3 years ago
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Jon has to pay $7.50 admission
lorasvet [3.4K]
Y=1.50x+7.50. 7.50 is the y intercept and 1.50 is the rate of change or slope
5 0
3 years ago
A storage box has a Volume of 56 cubic inches and the base of the box is 4 what is the height of the box?​
ddd [48]

Answer:

56 x 4 =224

Step-by-step explanation:

8 0
2 years ago
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