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2 years ago

A line passes through (4,5) and (8,9) which equation best represents the line

Mathematics

1 answer:

Nitella [24]2 years ago

7 0

Answer:

Step-by-step explanation:

In (4,5) the difference between 5 and 4 is 1, the same applies for (8,9), therefore y=x+1 is a linear function of y=x+1

So using this function: (1,2),(2,3),(3,4)(4,5) etc

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How do you decompose 7 x 7

Elis [28]

I think u multiply and then divide by one of its multiples

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3 years ago

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70 POINTS PLUS BRAINLIEST

dem82 [27]

Answer:

24.7 feet

Step-by-step explanation:

This is a Pythagorean theorem question

The ladder is the hypotenuse or c

the distance from the wall is a leg or a

and the wall is the other leg or b

a² + b² = c²

a² + 17² = 30²

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-289 -289

b² = 611

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3 years ago

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Find the missing lengths: LK=15 and KH=9, find KI and HI.

Luda [366]

Answer:

KI=11.25 and HI=6.75

Step-by-step explanation:

Consider the below figure attached with this question.

According to Pythagoras Theorem:

$base^2+perpendicular^2=hypotenuse^2$

Use Pythagoras in triangle HKL

$LH^2+KH^2=LK^2$

$(LH)^2+9^2=15^2$

$(LH)^2+81=225$

$(LH)^2=144$

Taking square root on both sides.

$LH=12$

Let length of HI be x.

LI = 12+x

Use Pythagoras theorem in ΔKLI,

$(KI)^2+15^2=(12+x)^2$

$(KI)^2+225=x^2+24x+144$

$(KI)^2=x^2+24x+144-225$

$(KI)^2=x^2+24x-81...(1)$

Use Pythagoras theorem in ΔHKI,

$(KI)^2=x^2+9^2$

$(KI)^2=x^2+81...(2)$

From (1) and (2) we get

$x^2+81=x^2+24x-81$

$24x=162$

$x=\dfrac{162}{24}=6.75$

Hence, the measure of HI is 6.75 units.

Substitute x=6.75 in equation (2).

$(KI)^2=(6.75)^2+81$

$(KI)^2=126.5625$

Taking square root on both sides.

$KI=\sqrt{126.5625}$

$KI=11.25$

Hence, the measure of KI is 11.25 units.

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3 years ago

What's the answer please I need one<br> 200+ 270-56=

Montano1993 [528]

Answer:

414

Step-by-step explanation:

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2 years ago

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Form the union for the following sets. E = {1, 2, 3} F = {101, 102, 103, 104} E ∪ F ={1, 2, 3, 101, 102, 103, 104}

Yanka [14]

<span>E = {1, 2, 3}
F = {101, 102, 103, 104}

answer
E ∪ F ={1, 2, 3, 101, 102, 103, 104}</span>

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2 years ago