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3 years ago

PLEASE HELP! Write the slope-intercept form of the equation of each line. Identify the slopes y-intercept

Mathematics

1 answer:

maxonik [38]3 years ago

5 0

Answer:

3/2, 0, y=3/2x

-1/3, -2.5, y=-1/3x-2.5

1, 6, y=x+6

1/2, 2, y=1/2x+2

undefined, 0, x=-1

0, -4, y=-4

Step-by-step explanation:

hopefully this helps :)

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Find ∠C and hence classify each triangle according to:

bekas [8.4K]

Answer:

a) 0

b) scalene and obtuse

Step-by-step explanation:

∠A = 20

∠B = 60

∠C = 180 - 20 - 60 = 100 (obtuse)

Since none of the angles are equal, no sides are equal either

So, it's a scalene triangle

Since one angle is obtuse, it's an obtuse triangle

8 0

3 years ago

What is the slope of this line?

Talja [164]

Answer:

-1

Step-by-step explanation:

Slope= rise/run

Since the line is decreasing, it will be negative.

6 0

3 years ago

The triangle has a perimeter of 65 feet. What are the lengths of sides l,m,<br> and n<br> ?

kenny6666 [7]

Answer:

l = 10 feet, m = 30 feet and n = 25 feet

Step-by-step explanation:

The attached figure shows a triangle in which three sides as as follows :

$l=\dfrac{1}{3}m$ , m and $n=l+m-15$

Perimeter of triangle is 65 feet.

Perimeter = sum of all sides

$l+m+n=65$

put the value of n

$l+m+l+m-15=65\\\\2l+2m=80\\\\l+m=40$

Now put the value of l

$\dfrac{1}{3}m+m=40\\\\\dfrac{4}{3}m=40\\\\m=30\ \text{feet}$

⇒ $l=\dfrac{1}{3}\times 30=10\ \text{feet}$

And

$n=10+30-15=25\ \text{feet}$

Hence, l = 10 feet, m = 30 feet and n = 25 feet.

6 0

3 years ago

Fred the clown can create 20 animal balloons every 15 minutes.How many animal ballons can he make in 45 minutes?

fomenos

Answer:

60 animal balloons

Step-by-step explanation:

15 times 3 equals 45 so 20 times 3 equals 60 balloons

8 0

4 years ago

Which binomial is a factor of 49x2 + 84 xy + 36y2?

bezimeni [28]

Answer:

(7x+6y) is a binomial factor of the given expression $49x^2+84xy+36y^2$

Therefore $49x^2+84xy+36y^2=(7x+6y)(7x+6y)$

Step-by-step explanation:

Given expression is $49x^2+84xy+36y^2$

To find the binomial factor :

$49x^2+84xy+36y^2$

Rewritting the above expression as

$=7^2x^2+2(7)(6)xy+6^2y^2$

$=(7x)^2+2(7x)(6y)+(6y)^2$

$=(7x+6y)^2$ ( using the formula $=(a+b)^2=a^2+2ab+b^2$ here a=7x and y=6y )

$=(7x+6y)(7x+6y)$ ( using the formula $=(a+b)^2=(a+b)(a+b)$ )

Therefore $49x^2+84xy+36y^2=(7x+6y)(7x+6y)$

(7x+6y) is a binomial factor of the given expression $49x^2+84xy+36y^2$

7 0

3 years ago