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artcher [175]
3 years ago
9

When 7 is subtracted from a number four times, the result is 3. What is the number?​

Mathematics
2 answers:
Murljashka [212]3 years ago
8 0

the answer is 31

Step-by-step explanation:

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maksim [4K]3 years ago
6 0

Answer:

Step-by-step explanation:

To answer this problem, work backwards!

The question said that 7 is subtracted from a number 4 times. The opposite of this is to add 7 four times.

7 + 7 + 7 + 7 = 28

The problem also says that the result is 3. That means that after subtracting 7 four times, the remainder is 3. Let's add that remainder to our sum (or the answer to an addition problem.)

28 + 3 = 31

Therefore, the number is 31.

Check your work:

Let's subtract 7 from 31 four times.

31 - 7 = 24

24 - 7 = 17

17 - 7 = 10

10 - 7 = 3

After we subtracted 7 four times, the result was 3. That means our answer is correct!

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Find the slope of the line through each pair of points (1/2,0) and (0,4/7)
Naddika [18.5K]

The line crosses (1/2,0) and (0,4/7)

Let m be the slope of this line

● m = [0-(4/7)]/[(1/2)-0)]

● m = (-4/7)/(1/2)

● m = (-4×2)/7

● m = -8/7

So the slope of this line is -8/7

8 0
3 years ago
What is the probability that a single card chosen from a complete deck of cards is not an ace or a King? ( with explanation )
NikAS [45]

Answer:

84.6%

Step-by-step explanation:

There ae 52 cards in a standard deck there are 4 aces and 4 kings in each deck

therefore

52-8 =44, 44 cards that are not kings or aces

therefore the probability is

44/52 = 0.846153846*100 = 84.615%

There the chances are 44/52 or 84.6%

4 0
3 years ago
Read 2 more answers
Name two pairs of adjacent angels and two pairs of vertical angels in figure
sashaice [31]

Answer:

As in this case where the adjacent angles are formed by two lines intersecting we will get two pairs of adjacent angles (G + F and H + E) that are both supplementary. Two angles that are opposite each other as D and B in the figure above are called vertical angles. Vertical angles are always congruent

Step-by-step explanation:


3 0
3 years ago
Please HELP!<br><br> A. <br> B.<br> C.<br> D
pickupchik [31]

Answer:

if that line follows y=mx...then answer is A

But it seems not....when we divided valuse like 60/2=30

75/3=25....

ratio is not the same

Its hard to tell....You must know exact cordinations

I can tell you this

I can say this if y=60 and x=2 and....y=120 and x=4...then it is propotional...but it seems not..

3 0
3 years ago
A rectangle has a length at least four more than five times the width. if the perimeter is at least 44 units. find the least pos
Eva8 [605]
The answer is 3 and you get that by using the formula for the area of rectangle, p=2L+2W
44=2(4+5w) + 2w
44=8+10w + 2w
44=8+12w
44-8=8+12w-8
36=12w
36/12=12w/12
3=w
If you plug 3 back into the original formula then you see that it is equal to the perimeter of 44
P=2(4+5w) + 2w
P=2(4+5•3) + 2(3)
P=2(19) +6
P=38+6
P=44
8 0
3 years ago
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