3 years ago

PLeAsEeeeEeEeeEeEEeEeeeEee. help me with my last questions

Mathematics

2 answers:

Dominik [7]3 years ago

6 0

What were the steps from your last questions

kupik [55]3 years ago

4 0

Answer:

what questions

Step-by-step explanation:

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What do i do? What do they mean ...HELP ME!!

katrin2010 [14]

Sin x = a/c

cos x b/c

tan x = a/b

4 0

3 years ago

At a 3-mile cross-country race, an athlete runs 2 miles at 6 mph and 1 mile at 12 mph. What is the athlete's average speed?

Tom [10]

Answer: the average speed is 7.5 mph or at least im pretty sure

Step-by-step explanation:

This is because if you make the 2 miles at 6 mph to 1 mile at 3 mph then you get 1 mile at 3mph and 1 mile at 12 mph. now that you have the unit rates of these you can add them. 1 + 1 = 2 miles and 3 + 12 = 15 mph now divide this by two and you get 7.5 mph per mile.

I hope this helped, if it did could you give me a good rating? lol

8 0

2 years ago

Help please I need it

MaRussiya [10]

Answer:

okk

Step-by-step explanation:

5 0

2 years ago

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7. What is the slope of the line that passes through the pair of points (3, 8) and (9, 5) ? (1 point)

agasfer [191]

7. D
8. D
9. D
10.C

for 7 & 8 you use the equation
$\frac{y2 - y1}{x2 - x1}$
your points are (3,8) & (9,5)

so you plug the numbers in
y2= 5
y1=8

x2=9
x1=3
you subtract them get a fraction and that is your slope

9 & 10
use the equation
$y - y1 = m(x - x1)$
plug you numbers in for y1 and x2 m is your slope plug it in and that is your equation

5 0

3 years ago

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Find the value of x<br>m<2= x + 132

podryga [215]

Answer:

x= -12

Step-by-step explanation:

Please see attached picture for full solution.

3 0

2 years ago

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