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maria [59]
3 years ago
7

30 POINTS By looking at the intercepts, which linear function does the graph represent?

Mathematics
1 answer:
larisa86 [58]3 years ago
7 0

C. f(x)=2/3x-2

<h2>Explanation:</h2>

Looking at the graph we realize that the y-intercept is given by:

b=-2

The Slope-intercept form of the equation of a line is given by:

y=mx+b

So, our equation becomes:

y=mx-2

So the only option that matches a negative y-intercept is C. Let's see that the slope m=2/3. Look at the y-intercept, if you increase x by 3 units, then y increases by 2 units and goes from x=-2 to x=0. In other words:

Change \ in \ x=\Delta x=3 \\ \\ Change \ in \ y=\Delta y=2 \\ \\ \\ m=\frac{\Delta y}{\Delta x}=\frac{2}{3}

<h2>Learn more:</h2>

Writing linear equations: brainly.com/question/12169569

#LearnWithBrainly

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I need help pls i don’t know how to solve this
Leya [2.2K]

Answer:

The sum of the inner angles of a triangle is 180°.

For 1) it's 180-78 = 102, decided by 2, solution is 51°

For 2) it's the same, just with a rotated image,

180-86 = 94, decided by two (for two corners), gives 48°

3) is tricky. We know that H & J got the same angle, because we see the markings on the lines.

so 8x = 6 x + 18

because they are equal

that gives 2 x = 18, or x = 9

H was 8x, so it's 72°

4) works like 3)

I look into 5 and 6 but press send for now to get the answers saved and out asap ;)

edit)

4) 2x = x + 30

subtract 1x on each side

x = 30

M is 30 + x, so it's 60°

(like all angles of this triangle btw)

5) is complicated, but I'll try to break it down.

Let's focus on the left triangle for a moment.

The upper corner got an angle of 90°-62° = 28°. That's because it's a right angle and 62° is the same angle we find further right.

The lower corner also has to have an angle of 28°, so 56° is the sum of both.

180°-56° is 124° for the right corner of the triangle we focus on.

x has to be -8 to satisfy the given equation.

6) give me another minute

edit:

for now, I can't solve 6) right away. But I'll keep thinking about the problem.

edit:

6) nasty one...

Okay, because the marked linked are of equal length, we can say that the lower triangle got also 69° in the lower corner and an angle of 42° in the left corner (180-69-69)

This leases 48° of the right angle for the upper triangle, same corner.

The marked lines here are also of same length, so the upper angle is also 48°

We can ignore the 3rd angle of the upper triangle, even though we could calculate it.

2 is 48, and it's x + 139

so

48 = x + 139

subtract 139 on both sides

-91 = x

The value of x is -91

You are welcome

4 0
3 years ago
If X and Y are distinct digits such that the eight-digit number 7448X24Y is divisible by both 8 and 9, then find X - Y.
Talja [164]

The value of X - Y such that the eight-digit number 7448X24Y is divisible by both 8 and 9 is 7

<h3>How to determine the distinct digits X and Y?</h3>

The eight-digit number is given as:

7448X24Y

Also, from the question

The number is divisible by 8 and 9

When a number is divisible by 8, then the last three digits of that number would be divisible by 8.

When a number is divisible by 9, the sum of the digits of the number would be divisible by 9.

So, we have:

24Y is divisible by 8

The possible value of Y from the above statement is 0

This is so because 240 is divisible by 8

The sum of the digits of the number would be divisible by 9.

This means that:

7 + 4 + 4 + 8 + X + 2 + 4 + Y = 29 + X + Y

Substitute 0 for Y

29 + X + Y = 29 + X + 0

Evaluate the sum

29 + X + Y = 29 + X

36 is divided by 9

So, we have

29 + X = 36

Subtract 29 from both sides of the equation

X = 7

So, we have

X = 7 and Y = 0

X - Y is calculated as:

X - Y = 7 - 0

Evaluate the difference in the above equation

X - Y = 7

Hence, the value of X - Y such that the eight-digit number 7448X24Y is divisible by both 8 and 9 is 7

Read more about digits at:

brainly.com/question/26856218

#SPJ1

7 0
2 years ago
Robyn had 8 apples. She ate3/8 of them. What is the number of apples she ate?
Leni [432]
Since she only has 8 apples and she ate 3 of 8, she ate 3 apples.
8 0
3 years ago
Read 2 more answers
Ab is perpendicular to cd how many 90 angles are formed by the intersection
Shtirlitz [24]
Only one unless it goes across than2
3 0
3 years ago
This is my sisters homework may anyone help her because she is not understanding if you can help her understand plz I will reall
stiv31 [10]
<span>Set up the equation. On a piece of paper, write the dividend (number being divided) on the right, under the division symbol, and the divisor (number doing the division) to the left on the outside. ...Divide the first digit. ...Divide the first two digits. ...<span>Enter the first digit of the quotient.  

I hope this helps!</span></span>
3 0
3 years ago
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