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Tom [10]
2 years ago
8

Someone help me understand this

Mathematics
1 answer:
zheka24 [161]2 years ago
4 0

Answer:

Step-by-step explanation:

for reflection around x-axis.

(x,y)→(x,-y)

so P' is (-7,4)

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The sum of 4 consecutive even numbers is 36. What is the first number in this sequence?
sashaice [31]

Answer:

the first number in this sequence is 6....

Step-by-step explanation:

First number = x

2nd number = x+2

3rd consecutive even number = x+4

4th consecutive even number = x+6

Therefore,

By adding these numbers:

x+x+2+x+4+x+6= 36

Add the like terms:

4x+12=36

Combine the constants:

4x=36-12

4x=24

Divide both the terms by 4

4x/4 = 24/4

x= 6

Thus the first number in this sequence is 6....

7 0
3 years ago
Read 2 more answers
Let f(x) be defined for any positive integer x greater than 2 as the sum of all prime numbers less than x. For example, f(4)=2+3
blsea [12.9K]

Answer:

f(86)-f(82)

Step-by-step explanation:

well f of 82 = 2 plus _ plus _ plus _ and f of 86 is 2+_+_+_ subtract them

 (A)  3            (B)   4           (C)   47            (D)   59             (E)   83

these are some possible answers so the answer is b, 4

btw, 86-82 = 4 duh

7 0
3 years ago
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Help ASAP!! This one's is difficult for me to understand!! Help me please!
IceJOKER [234]

Answer:

Ok so im in 7thgrade so ima try to help answer is x= 8x9

4 0
3 years ago
The Thompson family is buying a car that can travel 70 miles
gogolik [260]

Answer:

The car gets 35 miles per gallons.

Step-by-step explanation:

4 0
3 years ago
Gina wants to go to the water park with her friends. They have a total of w dollars to buy 5 tickets. Each
geniusboy [140]

Answer:W=5x15

HTH

Step-by-step explanation:

7 0
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