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Snezhnost [94]
3 years ago
11

Which number makes this sentence true?

Mathematics
2 answers:
Marta_Voda [28]3 years ago
7 0
It's letter a ......................
Semmy [17]3 years ago
3 0
The answer is a) x=30
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Solve 2x + 4y = -8 and 4x + 8y = 5 by elimination. Please show work on how to get the answer.
goldfiish [28.3K]

Answer:

No solution

Step-by-step explanation:

Given two equations are 2x+4y= -8 and 4x+8y= 5

These two lines are parallel They don't have a solution because they do not meet .

Multiply the first equation by 2 we get 4x+8y = -16

the other equation is 4x+8y= 5 clearly these two are parallel .

To prove by elimination method we have subtract those two equations we get 21≠0 which is not possible.

Therefore there is no solution to the given set of equation.

5 0
3 years ago
Please help! What is the function for the graph
Evgen [1.6K]

When x = 0 the value of the function is 2 so its either A or B.

When x = 1, y = 8 so substituting these values in A we get:-

8 = 2 * 8^1 = 16 so

its Not A. Try B:-

8 = 2 *4^1 = 8 which fits

Answer is choice B

7 0
3 years ago
Whats is y=1/3x+2 This is for math
marusya05 [52]

Answer:

an equation of a line

Step-by-step explanation:

This is an equation of a line. Lets walk through it.

y=1/3x+2

This is to find out what the Y coordinate would be when X is plugged in. So, if x was 6, you would take 1/3 of 6 to get 2, and add 2. The y intercept would be 4, since y=1/3(6)+2, y=2+2, y=4

Y=1/3x+2

This is what the slope is. If the slope is negative (ie. -3/4) the greater the x intercept the lower the y will be. (so if I had x=4 for a slope of -3/4, that would be y=-3/4(4)+2, y=-3+2, y=-1) But if the slope is positive (ie. 1/3) the greater the x value the greater the y value as well. (see graph attached below for positive)

Y=1/3x+2

This is the Y intercept. (This is NOT the y coordinate. This is only the coordinate of y if x=0) This number tells you where the Y intercept is. If it adds, the y intercept is positive. If it subtracts, the y intercept is negative.

Sorry if these explainations dont make sense. But, here is the graph for y=1/3x+2

4 0
3 years ago
A person can pay $15 for a membership to the history museum and then go to the museum
Finger [1]

Answer: the person would have to visit a total of twelve times for it to add up to $48

Step-by-step explanation:

48-15=33

then divide the 33 by 3 and you get 11 plus the 15 dollar membership and visit will get u 12 visits for $48.

7 0
3 years ago
Anybody know how to do this? i really need help. i’ve been trying to do this problem for hours.
timofeeve [1]
It’s should be 12.04 after you do all the math and add it up
3 0
3 years ago
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