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Vaselesa [24]
2 years ago
8

Choose two number sentences below that equal 39:

Mathematics
1 answer:
Vanyuwa [196]2 years ago
7 0
A, because 71-32 is equal to 39
C, because 85-46 is also equal to 39
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Solve using elimination <br>x-y= 2<br>x+y=-3
Zigmanuir [339]
Your answer would be (.5,-2,5)
5 0
2 years ago
The numbers 1, 2, 3, 4, 5, and 6 are placed in a line. How many even numbers can be made from these digits?
fiasKO [112]
<h3>Answer:    360</h3>

==========================================================

Explanation:

We have 3 even values (2,4, and 6) so this is the number of choices we have for the units digit. Recall that a number is even if the units digit is 0,2,4,6 or 8.

Once we have the units digit selected, we have 6-1 = 5 choices for the first slot, 6-2 = 4 choices for the second slot, and so on until we get down to 6-5 = 1 choice for the fifth slot

We could write it out like this

  • slot one = 5 choices
  • slot two = 4 choices
  • slot three = 3 choices
  • slot four = 2 choices
  • slot five = 1 choice
  • slot six = units digit = 3 choices

Multiply those values out: 5*4*3*2*1*3 = 360

There are 360 different even numbers possible.

6 0
3 years ago
rene charges $2.25 for gasoline plus $8.50 per hour for mowing lawns what is x the number of hours he has to mow lawns to earn t
Black_prince [1.1K]
2.25 + 8.50x = 50

8.50x = 50 - 2.25

8.50x = 47.75
——— ———
8.50. 8.50

x = 5.6 hours

Hope that helps :)
4 0
3 years ago
An objects weight on Mars is 38% of its weight on Earth. If an object weighs p, pounds on Earth, write an expression for its wei
oksano4ka [1.4K]

0.38p

To get the percent of something, you turn the percent to a decimal and multiply it to the number.

Here, we want the expression to get 38% of p. So we turn 38% to 0.38 and multiply it to p. Since we don't know what p is, we have to leave it as 0.38p

The answer is 0.38p


Hope this helps!

3 0
2 years ago
Read 2 more answers
Plsssss i really need help owes
egoroff_w [7]

Answer:

35-7-7-7-7-7=0 also 35-7=28-7=21-7=14-7=7-7=0

Step-by-step explanation:

48-12-12-12-12=0 also 48-12=36-12=24-12=12-12=0

72-8-8-8-8-8-8-8-8-8=0 also 72-8=64-8=56-8=48-8=40-8=32-8=24-8=16-8=8-8=0

6 0
3 years ago
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