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3 years ago

What is m∠4 if m∠8 = 40°? A. 50° B. 180° C. 70° D. 40°

Mathematics

1 answer:

Rudik [331]3 years ago

3 0

Answer:

if it right angled

m<4+m<8=90

m<4=90-40=50 is your answer.

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Variables x and y are in direct proportion, and y = 12.5 when x = 25. If x = 40, then y =

BabaBlast [244]

25/12.5 = 40/y
cross multiply
(25)(y) = (12.5)(40)
25y = 500
y = 500/25
y = 20 <====

6 0

3 years ago

6m + 2 < 5m-4 solve the inequality for m

djyliett [7]

Answer:

m < -6

Step-by-step explanation:

plz can u mark brainliest if correct. thank you so much.

6 0

3 years ago

Amy's yearly salary is given by the equation y = 25,000 + 700x, where x is the number of years since 2007 and y is her salary in

marissa [1.9K]

Answer:

Amy's yearly salary in 2011 was $27,800

Step-by-step explanation:

we have

$y=25,000+700x$

where

x ---> is the number of years since 2007

y ---> Amy's yearly salary in dollars

To find out what was her salary in 2011, first determine the value of x

$x=2011-2007=4\ years$

substitute the value of x in the equation above

$y=25,000+700(4)$

$y=\$27,800$

therefore

Amy's yearly salary in 2011 was $27,800

3 0

3 years ago

Passes through (5,7) and(3,1)

den301095 [7]

IF IT IS THE EQUATION OF A LINE YOU ARE LOOKING FOR:
y=mx+c
7-1÷5-3=6÷2=3
y=3x+c (here we substitute in one of the points to find out what C is)
1=(3×3)+c
1=9+c
-8=c

so the equation is: y=3x-8

7 0

3 years ago

which of the following is the equation of the line that goes through the point (-4,-1) and has a slope of -3?

wel

Answer:

y = -3x - 11

Step-by-step explanation:

y - y1 = m(x-x1)

y - (-1) = -3(x-(-4))

y + 1 = -3(x+4)

y + 1 = -3x -12

y = -3x - 11

5 0

3 years ago