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3 years ago

-8.4-0.9 please help solve

Mathematics

2 answers:

bearhunter [10]3 years ago

7 0

Answer:

-9.3

Step-by-step explanation:

Google

Lostsunrise [7]3 years ago

6 0

Answer:

Step-by-step explanation:

-9.3

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A car is traveling at a speed of 25 meters per second what is the cars speed in kilometers per hour how many kilometers will the

Likurg_2 [28]

Answer:

90 km/h
180 km

Step-by-step explanation:

There are 1000 m in 1 km, and 3600 s in 1 h, so the speed conversion is ...

$\dfrac{25\,m}{s}\cdot\dfrac{1\,km}{1000\,m}\cdot\dfrac{3600\,s}{1\,h}=\dfrac{90\,km}{h}$

The car's speed is 90 km/h.

In 2 hours, the car will travel ...

distance = speed · time = (90 km/h)(2 h) = 180 km

7 0

3 years ago

Can someone help me out

stich3 [128]

Answer:

m= -5/8

Step-by-step explanation:

Slope of a line containing the points,

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

where, m is the slope

Here,

$m = \frac{7 - 2}{4 - 12} = \frac{ 5}{ - 8} = \frac{ - 5}{8}$

4 0

3 years ago

Read 2 more answers

What is the y-intercept of the line represented by y=-6x-11?

lisabon 2012 [21]

Answer:

It's b. (0,-11)

Step-by-step explanation:

5 0

3 years ago

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Sara and Katy each scored points during six basketball games.

poizon [28]

Answer:

hey aneesh it is bill i see ur trying to cheat on the snapshot

Step-by-step explanation:

dont think i dont see u tryna cheat

the answer is 25 btw

step by step explanation:

x + 5x = 150

25 x 5 = 125

125 + 25 = 150

x = 25

im telling ms brake

i already finished the snapshot btw

3 0

3 years ago

What is the value of y in the solution to the system of equations? 1x + 1y = 1 2x – 3y = -30

nydimaria [60]

Answer:

y=8

Step-by-step explanation:

$\frac{1}{3} x + \frac{1}{4}y= 1\\\\\frac{4x+3y}{12} =1\\4x+ 3y =12\\y = \frac{12-4x}{3}$

let's note this as our equation no. (i)

and let 2x-3y = -30 be the equation no. (ii)

Put value of y from (i) into (ii)

$2x -3y = -30\\2x-3(\frac{12-4x}{3} )=-30\\2x -12+4x = -30\\6x = -30+12\\6x= -18\\x = -3$

Now put x = -3 back in equation (i)

$y = \frac{12-4x}{3}\\y = \frac{12 - 4(-3)}{3}\\y = \frac{12 + 12}{3} \\y = 8$

5 0

3 years ago