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trasher [3.6K]
3 years ago
5

Write an addition fac that has the same sum as 3 + 7

Mathematics
1 answer:
Vlada [557]3 years ago
7 0
5+5 
1+9
6+4
Theres more ways also
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If the temperature changes -2.5 Degrees each hour for five hours how much does the total temperature change
Makovka662 [10]
-12.5 degrees in 5 hours because -2.5•5= -12.5
5 0
3 years ago
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What wiuld the abwser be to (-x=20) pls show work
Aleksandr-060686 [28]

Answer:

x=-20

Step-by-step explanation:

Just put the x on the other side of the equation

6 0
4 years ago
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A cinema has three screens last Saturday there were 500 visitors 40% went to screen 1 ,25% went to screen 2 the rest went to scr
ratelena [41]

Answer:

200 visitors went to screen 1.

125 visitors went to screen 2.

175 visitors went to screen 3.

Step-by-step explanation:

We will find number of visitors who went to screen 1 by finding 40% of 500 as we are told that 40% of 500 visitors went to screen 1.

500*\frac{40}{100} =5*40=200

Therefore, 200 visitors went to screen 1.

Now we will find number of visitors who went to screen 2. We are told that 25% of 500 visitors went to screen 2.

500*\frac{25}{100} =5*25=125

Therefore, 125 visitors went to screen 2.

Now we will find the number of visitors who went to screen 3 by subtracting combined number of visitors who went to screen 1 and screen 2 from total number of visitors.

500-(200+125)

500-325=175

Therefore, 175 visitors went to screen 3.


7 0
3 years ago
I had $36. I spent 1/2 of my money on Thursday and 2/3 of the remainder on Wednesday. How much money did I have left?
Fynjy0 [20]

Answer:

$12

Step-by-step explanation:

Half of $36 would be $18. $18 divided by 3 would be $6. $6 times 2 would be $12. Half comes from the 1/2 of money spent on Thursday. Dividing it by 3 comes from the remainder on Wednesday. We divide it by 3 since the denominator of 2/3 is 3. We then multiply it by 2, since the numerator in 2/3 is 2.

7 0
3 years ago
If (x + 8) is a factor of f(x), which of the following must be true?
Sedaia [141]

Answer:

  • f(-8) = 0

Step-by-step explanation:

If (x+8) is a factor of f(x), then for some expression p, we have ...

  f(x) = (x+8)p

Evaluated at x=-8, this gives ...

  f(-8) = (-8+8)p = 0p

  f(-8) = 0 . . . . must be true

_____

Similarly, f(8) = (8+8)p = 16p. This may or may not be zero, depending on the factors of p. The only offered statement that <em>must</em> be true is the one shown above.

6 0
3 years ago
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