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Afina-wow [57]
3 years ago
5

Carlos Martin received a statement from his bank showing a balance of $56.75 as of March 15. His checkbook shows a balance of $8

7.37 as of March 20. The bank returned all cancelled checks but two. One check was for $5.00 and other was for $13.25. How much did Carlos deposit in his account between march 15 and March 20
Mathematics
2 answers:
kakasveta [241]3 years ago
7 0
Checks not cancelled;
5.00+13.25
18.25
Total 
Anestetic [448]3 years ago
5 0
On March 20 he had $87.37 so $87.37-$56.75=$30.62. So between March 15 and March 20 $30.62 was deposited. Since $18.25 was returned to him you would subtract that from $30.62. $30.62-$18.25= $12.37. Therefore, Carlos deposited $12.37 into the account between March 15 and March 20.
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y = \frac{1}{2} x+3

Step-by-step explanation:

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jok3333 [9.3K]

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3 years ago
Name a point that is between 50 and 60 units away from (7,-2) and state the distance between the two points.
laila [671]

Let the required point be (a,b)

The distance of (a,b) from (7,-2) is

= \sqrt{(a-7)^2+(b+2)^2}

But this distance needs to be betweem 50 & 60

So

50

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2500 < (a-7)² + (b+2)² < 3600

Let a = 7

So we have

2500 < (b+2)² <3600

b+2 < 60    or  b+2 > -60   => b <58 or b > -62

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Let us take one value of b < 58 say b = 50

So now we have the point as (7, 50)

The other point is (7,-2)

Distance between them

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6 0
3 years ago
Read 2 more answers
Present Value Hoew much shuold be deposited in an account paying 7.8% interest compounded monthly in order to have a balance of
Alisiya [41]

Answer: $15385 should be deposited.

Step-by-step explanation:

The principal was compounded monthly. This means that it was compounded 12 times in a year. So

n = 12

The rate at which the principal was compounded is 7.8%. So

r = 7.8/100 = 0.078

It was compounded for 4 years. Therefore,

t = 4

The formula for compound interest is

A = P(1+r/n)^nt

A = total amount in the account at the end of t years. The total amount is given as $21000. Therefore

21000 = P (1+0.078/12)^12×4

21000 = P (1+0.078/12)^48

21000 = P (1+0.0065)^48

21000 = P (1.0065)^48

P = 21000/1.365

P = $15385

6 0
3 years ago
Jamie did some push-ups on Monday and Tuesday. On Tuesday, he did 300 push-ups, which was three times the difference of the numb
Jlenok [28]

Answer:

The answer is 150, because 300 / 3 = 100, and 100 + 150 = 150.

6 0
3 years ago
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