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densk [106]
3 years ago
7

Which expression is equivalent to 8(k + m) - 15(2k + 5m)? agul

Mathematics
1 answer:
SpyIntel [72]3 years ago
4 0

Answer:

-22k - 67m

Step-by-step explanation:

You have to use the Distributive property:

8(k + m) - 15 (2k + 5m)

8k + 8m - 30k - 75m

Now simplify:

8k - 30k + 8m - 75m

-22k - 67m

Be careful with positives and negatives!

Hope this help!

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One 16 inch pizza serves 4 students how many pizzas are needed for 60 students?​
Salsk061 [2.6K]

Answer:

15 pizzas

Step-by-step explanation:

1 pizza serves 4 students

60 students divided by 4 students (which is 1 pizza)

60/4=15

6 0
3 years ago
Ms. Gaines is saving one-eighth of her income to purchase a new car. If her income for one week was $890.20, how much did she sa
USPshnik [31]

111.28    1/8=0.125  0.125*890.20=111.275  money can only have 2 decimals so round up and $111.28 is your answer.

4 0
3 years ago
I need an explanation how to do this ASAP I will give you 20 POINTS!!
mars1129 [50]
For the first digit you are choosing from 2 digits
for the second digit you are choosing from 2 digits
for the third digit you are choosing from 2 digits
2*2*2=8
111
110
011
101
000
001
100
010
However......
A number doesn't usually start with a 0 or 0s.
Therefore, if you want 3-digit numbers and not just permutations using 0 and 1, then you must eliminate
011, 000, 001, and 010
Seeing that the first digit can't be 0, you choose from 1, then 2, and then 2 digits again; 1*2*2=4 numbers
You choose which answer best suits your problem.
6 0
3 years ago
Which set of ordered pairs represents a function?
m_a_m_a [10]

Answer:

{(0, 0), (1, 2), (2, 4), (3, 4)

Step-by-step explanation:

the x in the ordered pair is not suppose to repeat, clearly this doesn't

7 0
4 years ago
Need answer please show work
Jet001 [13]

Let us set up some variabe:

  • height: h
  • base: b

Use the known information:

  • b = 2h + 8

Now lets find the area

   Area = (1/2) * b *h = (1/2) * h * (2h + 8)

Hope that helps!

7 0
2 years ago
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