How do u work out 8x + 5x

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Answer 1
Answer: Since they both have the same variables, just add the numbers and get 13. So therefore it is 13x

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A number, rounded to the nearest thousand is 47,000. Which number could be the number that was rounded?
What is 8t^5 times 8t^5?I thought you were suppose to keep the bases the same and just add the powers.
linear function x y 3 -4 0 -8 -3 -12 -6 -16 The values in the table represent a linear function. How does the value of y change in relation to a change in the value of x? A) for every change in x by 4, y changes by 3 B) for every change in x by -4, y changes by 3 C) for every change in x by 3, y changes by -4 D) for every change in x by -3, y changes by -4

Why is it helpful to draw a picture when attempting to solve an equationPLEAS HELP ME I GIVE THANKS

Answers

It is helpful to draw a picture when attempting to solve an equation because you could visually see the answer
drawing pictures is one of the only ways i solve equations because it is esier for me to solve the equation if i can physically see it. that way everything is more organized and i can see everything at once.

Can the sum of two mixed numbers be equal to 2?Explain why or why not.

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No, b/c to be a mixed number your value must be greater than one 

there are 75 students in school band 45 students play woodwind instruments what percent of students play woodwinds

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45/75 students play woodwind,so that is simplified as 3/5, so that means 60% of the students play woodwind.

What is the answer to 120*130

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the answer is 15,600...

The function f(x) is translated up 4 units. Which equation represents the translated function?

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F(x) + 4 is the answer. Hope this helped :))

PLEASE help with these math questions

Answers

all of these are applications of the distance formula
remember a^2+b^2=c^2
so the distance (c) is \sqrt{a^(2)+b^(2)}
a and b are legnths of legs so we find the legnths


the distance between points (x1,y1) and (x2,y2) is

D=\sqrt{(x2-x1)^(2)+(y2-y1)^(2)}
input points and find distance

1. (3,5) ot (7,3)
D=\sqrt{(7-3)^(2)+(3-5)^(2)}=√(16+4)=√20=4.47
answer is A

2. (-3,-2) to (4,6)
D=\sqrt{(4-(-3))^(2)+(6-(-2))^(2)}=√(49+64)=√113=10.63
answer is 10.6 units

3. from (1,7) to (9,-2)
D=\sqrt{(9-1)^(2)+(-2-7)^(2)}=√(64+81)=√145=12.04
answer is B

4. (-1,-2) to (6,2)
D=\sqrt{(6-(-1))^(2)+(2-(-1))^(2)}=√(49+16)=√65=8.06
round
8.1 units

5. apply multipule times
A=(2,2)
B=(12,2)
C=(9,8)
D=(2,8)
find the distance between
A to B
B to C
C to D
D to A
we can see the distances between AB, CD and AD easily
just since 1 variable doesn't change, we just find the change in the other variable
AB=10 units
CD=7 units
DA=6 units
now
CB is from  (12,2) to (9,8)
D=\sqrt{(9-12)^(2)+(8-2)^(2)}=√(9+36)=√45=6.7

add everybody
AB+BC+CD+DA=10+6.7+7+6=29.7
we see that they put a trick and see option D, the not careful people will chose that but the quesiton askes for the perimiter

answer is B