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3 years ago

8

I need help with this lol

1 answer:

patriot [66]3 years ago

5 0

3. y-intercept is when x=0, so 2. Slope is change in y divided by change in x, so 4/3, which rounds to 1.3.

4. the equation: y=mx+d, so substitute m for the slope and d as the y-intercept, so you get y=1.3x+2

5. When you look at the graph, when x=7, then y=80. So the student may get an 80.

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How do you Subtract 9x^2 + 22x - 46 from 12x^2 - 8x + 12.

Luba_88 [7]

Subtract the $x^2$ terms from each other, then the $x$ terms, then the ones without any $x$ whatsoever.

$(12x^2 - 8x + 12) - (9x^2 +22x-46)$

First, we'll subtract $9x^2$ from $12x^2$

$12x^2-9x^2- = 3x^2$

Result: $3x^2$

Next, we'll subtract $22x$ from $-8x$

$-8x - 22x = -30x$

Result: $-30x$

Finally, we'll subtract $-46$ from $12$

$12-(-46) = 12+46 = 58$

Result: $58$

Now, we can add these 3 results together.

First, we had $3x^2$ , then $-30x$ , and finally $58$ .

Thus, our subtraction of

$(12x^2 - 8x + 12) - (9x^2 +22x-46)$

equals

$3x^2-30x+58$

4 0

2 years ago

Evaluate the expression

Effectus [21]

Answer:

x = - 3

Step-by-step explanation:

note that y = f(x)

locate y = 3 on the y- axis, go horizontally across to meet f(x) at (- 3, 3 ) , then

x = - 3 when f(x) = 3

4 0

2 years ago

Which sign makes the statement true?<br> 590 ? 5 × 10^2<br> (>) (<) (=)

ludmilkaskok [199]

Answer:

>

Step-by-step explanation:

5 × 10^2 = 500

so 590 is greater than or > 5 × 10^2 or 500

3 0

2 years ago

1/2 + 1/3 - 1/4 = I don't know

larisa [96]

Use "PEMDAS"
First we'll add then subtract

$\frac{1}{2} + \frac{1}{3} = \frac{2}{6} + \frac{2}{6} = \frac{4}{6}= \frac{2}{3}$

$\frac{2}{3} - \frac{1}{4} = \frac{8}{12} - \frac{3}{12} = \frac{5}{12}$

$\frac{1}{2} + \frac{1}{3} - \frac{1}{4} = \frac{5}{12}$

3 0

2 years ago

Read 2 more answers

The answer is 65. i hope i helped

snow_tiger [21]

The equation can be:5*13=65

4 0

3 years ago