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kkurt [141]
3 years ago
9

How can I simplify this expression 2x-y+5x

Mathematics
2 answers:
Arada [10]3 years ago
8 0

Answer:

7x-y

Step-by-step explanation:

You can make 2x and 5x togheter because both have an X. You can't subtrakt Y from 7x, because X and Y are different variables.

Aleks [24]3 years ago
3 0
7x-y because you can combine the 2x and 5x
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Three and a half divided by seven-eighth equals seven over two times eight over seven equals fifty over fourteen equals four
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A ball is dropped from a bridge which is 160 feet above a river. how long will it take the ball
S_A_V [24]
H(t)=-16t²+160
0=-16t²+160
16t²=160
t²=10
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PLEASE HELP DUE IN 30 MINUTES
Vladimir79 [104]
<span>(a) At the end of Month 0, about how many more insects were in Pod A than Pod B? Explain.
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5 0
3 years ago
About 11% of people are left-handed. How e = 0.11• 30 e = 3.3 many people would you expect to be left-handed in a class about 3
Marizza181 [45]

Answer:

There are about 3 students that are left handed in a class. First Sara took the percentage of left handed people, 11%,  and multiplied it by the amount of students in the class, 30. She got 3.3 but you can't have 0.3 of a person so she rounded it down to 3.

6 0
3 years ago
Read 2 more answers
Cally
photoshop1234 [79]

Answer:

10.08+4.99x\leq 50

x\leq 8

The maximum pounds of cheese that Ariana can buy is 8

Step-by-step explanation:

Let

x ---> the amount of cheese In pounds, that  Ariana can buy

we know that

The cost of 3 loaves of bread plus the cost of the cheese must be less than or equal to $50

so

The inequality that represent this situation is

3(3.36)+4.99x\leq 50

10.08+4.99x\leq 50

solve for x

subtract 10.08 both sides

4.99x\leq 50-10.08

4.99x\leq 39.92

divide by 4.99 both sides

x\leq 8

Therefore

The maximum pounds of cheese that Ariana can buy is 8

3 0
3 years ago
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