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amid [387]
2 years ago
10

Find the value of r so the line that passes through the pair of points has the given slope,

Mathematics
2 answers:
AlekseyPX2 years ago
8 0

Answer:r = 14

Step-by-step explanation:

aleksley [76]2 years ago
6 0

Answer:

r = 14

Step-by-step explanation:

Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\

\frac{-4-r}{8-2}= -3 \\\\\frac{-4 - r}{6} = - 3

Cross multiply,

-4 - r = -3*6

-4 - r = -18

-4  = - 18 + r

-4 + 18 = r

r = 14

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Nick goes to the store and buys 22 notebooks for $1.50 each. Then he buys 8 pens for $0.55 each. How much money did he spend in
rosijanka [135]

Answer:

$33 for the notebooks and $4.40 for the pens

Step-by-step explanation:

if u would multiply 33 by 1.50 you would get $33

if u would multiply 8 by 0.55 you would get $4.40

8 0
3 years ago
PLZ HELP WILL GIVE BRAINLISET IF RIGHT!!!
Irina-Kira [14]

Answer:

72.5mph

Step-by-step explanation:

There is an easy way to work this. Divide the miles he drove by 2 so that you know how much he drove in 1/5 hours.

29/2= 14.5miles driven in 1/5 hours

Now, just multiply that number by 5 so that you know how many miles he drove in 5/5 hours (one full hour).

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5 0
3 years ago
Ben claims that 12 is a factor of 24. how can you check whether he is correct
AlekseyPX
Take 12 from 24 and if the the answer is 12 then it's a factor.
7 0
3 years ago
Question 3
vitfil [10]

Answer:

Step-by-step explanation:

No there parallel

8 0
2 years ago
Ripley told his mom that multiplying whole numbers by multiples of 10 was easy because you just count zeros in the factors and p
zhuklara [117]

Answer:

She is right, it won´t always work.

Step-by-step explanation:

Hi, in the examples this tactic works because the first numbers, when multiplied, don´t equal 10 (7x6=42 and 8x7=56). If you multiply both numbers and give you 10, you will have to add another zero to the final number and the trick would crash.

Example:

    200    x       500      =    100,000

(2 Zeros)      (2 zeros)        (5 zeros)

Best of luck.

5 0
3 years ago
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