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Maksim231197 [3]
3 years ago
7

Susan's math teacher assigned x homework problems on Monday. On Tuesday, she assigned 13 more problems. Over the two days, a tot

al of 23 homework problems were assigned. Which equation could be used to find x, the number of problems assigned on Monday?
Mathematics
1 answer:
lana66690 [7]3 years ago
4 0

we can find the answer to this problem by thinking about it logically for a minute:

we know that she assigned "x" homework problems on Monday, so,

x=Monday

we also know that she assigned 13 more problems on Tuesday, so,

13=Tuesday

over the course of the two days she assigned a total of 23 homework problems.

to get the answer of how many problems she assigned on Monday, we have to do the total number of problems she assigned(23) minus the number of problems we know she assigned on Tuesday(13), so,

23-13=10

she assigned 10 problems on Monday.

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A firm buys 12 file cabinets at $140 each, with payment in full due in 90 days. How much must the firm deposit now to have enoug
anyanavicka [17]

Answer:

firm deposit  is $1667.50

Step-by-step explanation:

given data

buys 12 file = $140

time = 90 days

interest = 3%

solution

we get here return on money over 90 day period  is  

we know Return on 360 days = 3%

return on money over 90 day = 3% ÷ 4  = 0.75%

we consider here required amount = x

so

$140 × 12 = x (1+0.0075)

x  =  \frac{1680}{1+0.0075}

x = 1667.50

so firm deposit  is $1667.50

3 0
3 years ago
On a sheet of paper, you have 100 statements written down.
serg [7]

Answer:

50

Step-by-step explanation:

If the first statement its true (At most 0 of the statements are true), there are not true statements in the paper. So, the first statement its false.

Now, if the first statement its false, this mean there must be at least 1  true statement in the paper.

Now, if the second statement its true ( at most 1 of the statements are true) this implies that the third statement its true (if "at most 1" its true, then "as most 2" must be true).

If any statement (besides the first) its true, then all the statement that follows it must be true.

The first non false statement, then, must be the statement made by the person 51:  "At most 50 statements are true"

And the 49 statements that follows are true as well.

5 0
3 years ago
Determine mBFD.<br> 65<br> 90<br> 220<br> 110
fomenos

Answer: This one is D.110! ☺️

5 0
4 years ago
If a(x + 1) + b(x − 1) − 2 = 0 for all real x, then a =
jek_recluse [69]

Answer:

D) 1

Step-by-step explanation:

using the distributive property we have ax+a+bx-b-2=0. because the equation is true for all real x, ax=-bx. this means a-b-2=0 and a=-b. a-b-2=0 becomes a=b+2. then we substitute a for -b and get -b=b+2 which becomes 2b=-2 so b=-1. since a=-b, a=1

7 0
3 years ago
Please find the area
DENIUS [597]
Answer: 55

Explanation:
Find the area of the entire shape: 7x9=63
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Find the area: 63-8=55
3 0
3 years ago
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