All categories

3 years ago

I need help quick please

Mathematics

1 answer:

notsponge [240]3 years ago

8 0

Answer:

1/2 i think i sm not sure

Step-by-step explanation:

i am answering because i realy need brainliest have a wonderful day goodluck

You might be interested in

Guys please help as fast as possible.

jolli1 [7]

Answer:theres nothing here to answer

Step-by-step explanation:

4 0

3 years ago

as a favor to her friend, Natasha worked 7 hours at a diner for $10 per hour last week. she also makes $8 per hour when she baby

Zinaida [17]

Answer:

7*10+8X>=206

Step-by-step explanation:

multiply time 10 then you add the answer to that with 8X and then that answer is the answer to your problem

3 0

4 years ago

Read 2 more answers

write an expression for the calculation the difference of 35 and 7 divided by the difference of 9 and 2

Rudik [331]

Answer:

35-7/ 9-2

28/7

Step-by-step explanation:

6 0

3 years ago

Help please. i am desperate

Nana76 [90]

Answer:

lol

Step-by-step explanation:

whyyy u say that hahahahhaa

4 0

3 years ago

A quadrilateral has vertices at A(-5,5), B(1,8), C(4,2), and D(-2,-2). Use slope to determine if the quadrilateral is a rectangl

AysviL [449]

Answer:

The quadrilateral is not a rectangle

Step-by-step explanation:

we know that

If a quadrilateral ABCD is a rectangle

then

Opposite sides are congruent and parallel and adjacent sides are perpendicular

Remember that

If two lines are parallel, then their slopes are the same

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have

A(-5,5), B(1,8), C(4,2), and D(-2,-2)

Plot the figure to better understand the problem

see the attached figure

Find the slope of the four sides and then compare

step 1

Find slope AB

A(-5,5), B(1,8)

substitute in the formula

$m=\frac{8-5}{1+5}$

$m=\frac{3}{6}$

$m_A_B=\frac{1}{2}$

step 2

Find slope BC

B(1,8), C(4,2)

substitute in the formula

$m=\frac{2-8}{4-1}$

$m=\frac{-6}{3}$

$m_B_C=-2$

step 3

Find slope CD

C(4,2), and D(-2,-2)

substitute in the formula

$m=\frac{-2-2}{-2-4}$

$m=\frac{-4}{-6}$

$m_C_D=\frac{2}{3}$

step 4

Find slope AD

A(-5,5), D(-2,-2)

substitute in the formula

$m=\frac{-2-5}{-2+5}$

$m=\frac{-7}{3}$

$m_A_D=-\frac{7}{3}$

step 5

Verify if the opposites are parallel

Remember that

If two lines are parallel, then their slopes are the same

The opposite sides are

AB and CD

BC and AD

we have

$m_A_B=\frac{1}{2}$

$m_C_D=\frac{2}{3}$

$m_A_B \neq m_C_D$

It is not necessary to continue verifying, because two of the opposite sides are not parallel

therefore

The quadrilateral is not a rectangle

4 0

3 years ago