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Volgvan
3 years ago
15

Find the value of k

Mathematics
1 answer:
steposvetlana [31]3 years ago
6 0

Answer:

k=3

Step-by-step explanation:

The general form of the line is y=mx+b. So, the value of the slope must be 12. In this case:

4k = 12\\\frac{4k}{4} =\frac{12}{4} \\k=3

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3 years ago
Write the equation of the line that passes through (3, 4) and (2, –1) in slope-intercept form.
matrenka [14]
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5 0
3 years ago
The function h(t) = -4.9t² + 19.6t is used to model the height of an object projected in the air where h(t) is the height (in me
goblinko [34]

Answer:

Step-by-step explanation:

when h(t)=0

-4.9 t²+19.6t=0

4.9t(-t+4)=0

either t=0 or t=4

so domain is 0≤t≤4

for range

h(t)=-4.9t²+19.6t

=-4.9(t²-4t+4-4)

=-4.9(t-2)²+19.6

so range is 0≤h≤19.6

5 0
4 years ago
Read 2 more answers
Are the 2 triangles congruent? ​
ivann1987 [24]

Answer:

Yes

Step-by-step explanation:

They are just in the opposite side

5 0
3 years ago
Express the product of (x + 3)<br> and<br> (3+5) as a trinomial in simplest form.
ch4aika [34]

Answer:

<em>The answer would be 8x + 24</em>. And it's not a trinomial form. Why? Maybe the given is not just (3+5), it's (3x+5). So that we can get trinomial product.

Sol.

(x + 3) (3x + 5)

Each parenthesis has a binomial (two numbers)

A. Note that whenever you have two parenthesis next to each other like this, it implies factoring. So let's factor.

3x^2 + 5x + 9x + 15

We get a quartnomial (containing 4 numbers), but we're looking for a trinomial. Can we reduce this?

B. Yeah, so we reduce

3x^2 + 14x + 15

There you go, this is a trinomial.

8 0
3 years ago
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