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3 years ago

Write an equation in slope intercept form of each line?

Mathematics

1 answer:

Nataly_w [17]3 years ago

4 0

Answer:

y= -2/3x + 5

Step-by-step explanation:

Slope-intercept form is y=mx+b

The m is the slope (followed by an x), the b is the y-intercept.

The line intercepts (or crosses) the line x=0 at y=5, so the y-intercept is 5.

The slope can be found with rise over run.

Beginning point is (0,5), end point is (3,3) which equals -2/3

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Find the volume of the cylinder

valkas [14]

Radius=16mm=r
Height=h=17.5mm

Volume:-

πr^2h
π(16)^2(17.5)
π(256)(17.5)
4480πmm^2

7 0

2 years ago

18/2 type as an integer or a simplified fraction? Or is the answer undefined ?

Grace [21]

Divide.

18/2 = 9

9 is your integer, or whole number

hope this helps

4 0

3 years ago

Write the quadratic function in the form g(x)=a(x-h)^2+k.

Nesterboy [21]

The vertex is (1,-4).
Writing in the form specified:
g(x)=-(x-1)^2-4

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4 years ago

7th grade math I need help with this

Levart [38]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

8. A right triangle has a perimeter of 60 cm. The legs have a ratio of 5:12. The hypotenuse is twice the

lakkis [162]

Answer:

a=24

b=10

c=26

Step-by-step explanation:

Perimeter is the sum of the sides ( $a+b+c=60$ )

The legs (a and b) have a ratio of 5:12, which means that $5a=12b$ , which can be simplified to $\frac{5}{12} a=b$ , where b will be the smaller leg.

The hypotenuse will be double the smallest leg, 2b, increased by 6 meters, giving us an equation of $c=2b+6$

Let's plug these in to get one variable:

$a+b+c=60\\a+b+2b+6=60\\a+\frac{5}{12}a+2(\frac{5}{12}a)+6=60\\\frac{12}{12}a+\frac{5}{12}a+\frac{10}{12}a+6=60\\\frac{12}{12}a+\frac{5}{12}a+\frac{10}{12}a=54\\\frac{27a}{12}=54\\27a=648\\a=24$

Now that we have a, we can plug it in to our previous equations to find our other sides:

$5a=12b\\5(24)=12b\\120=12b\\10=b$

$c=2b+6\\c=2(10)+6\\c=20+6\\c=26$

Double-checking:

$a+b+c=60\\24+10+26=60\\60=60$

7 0

3 years ago