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3 years ago

Use the slope formula to find the slope of the line that passes through the points (6,3) and (9,8).

Mathematics

1 answer:

dimaraw [331]3 years ago

7 0

Answer:

d.5/3

Step-by-step explanation:

m=y2-y1/x2-x1

m=8-3/9-6=5/3

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The scale of two similar quadrilaterals is 1:4. The perimeter of the smaller quadrilateral is 80 centimeters. What is the perime

ddd [48]

The perimeter is 320. Just multiply 80 times 4

8 0

2 years ago

A line has this equation: y = -2x-5 Write an equation for the parallel line that goes through (-3,-5).

zhuklara [117]

Answer:

Step-by-step explanation:

y + 5 = -2(x + 3)

y + 5 = -2x - 6

y = -2x - 11

3 0

3 years ago

Please help me with this will give BRAINLIST to best answer

In-s [12.5K]

Answer:

$\frac{3}{b^{0}b^{4} }$

Step-by-step explanation:

Move $b^{-4}$ to the denominator in $\frac{3b^{-4} }{b^{0} }$

using the negative exponent rule $b^{-n} =\frac{1}{b^{n} }$

3 0

2 years ago

What is 5 ÷ 70 + 15 ?

Tema [17]

Follow PEMDAS.

First divide 5 with 70

5/70 = 0.071 (rounded)

Next, add the number gotten with 15

15 + 0.071 = 15.071

15.071 is your answer

hope this helps

5 0

3 years ago

Read 2 more answers

How do you factor 125-x^3?

xz_007 [3.2K]

Step-by-step explanation:

We have

$125 - x {}^{3}$

First, 125 is a perfect cube because

$5 \times 5 \times 5 = 125$

and

x^3 is a perfect cube because

$x \times x \times x = x {}^{3}$

so we can use the difference of cubes identity

$( {x}^{3} - {y}^{3} ) = (x - y)( {x}^{2} + xy + {y}^{2} )$

Let say we have two perfect cubes:

64 because 8×8×8=64

and 27 because 3×3×3=27 and let subtract

$64 - 27$

we know that

$64 - 27 = 37$

but using the difference of cubes identity we should get the same thing.

Remeber cube root of 64 is 4 and cube root of 27 is 3 so we have

$(4 - 3)( {4}^{2} + 4(3) + 3 {}^{2} )$

$1(16 + 12 + 9) = 1(37) = 37$

So the difference of cubes works for real numbers. This is a good way to help remeber the identity using real numbers.

Back on to the topic,

we know that 5 is cube root of 125 and x is the cube root of x^3 so we have

$(5 - x)( {5}^{2} + 5x + {x}^{2} ) =$

$(5 - x)(25 + 5x + {x}^{2} )$

3 0

2 years ago

Read 2 more answers