Can someone please help me with this???

Mathematics

2 answers:

maxonik [38]4 years ago

5 0

#5.) 9 messages.
#6.) 300 people.

Flauer [41]4 years ago

4 0

I can answer the first four
1 is 40%
2 is 60
3 is $1.35
4 is 6%

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I really need help on this.

Genrish500 [490]

Maybe 50 meters I’m not sure

5 0

3 years ago

Select the correct answer from each drop-down menu.

Oksi-84 [34.3K]

Answer:

$we \: have \: ohms \: law \: h = {i}^{2} rt \\ \frac{h}{t} = {i}^{2} rt \div t = p \\ p = {i}^{2} r....(1) \\ we \: have \: v = ir \\ i = \frac{v}{r} .....(2) \\ put \: (2) \: in \: (1) \\ then \: p = { (\frac{v}{r}) }^{2} r \\ p = \frac{ {v}^{2} }{r} \\ v = \sqrt{pr} = {(pr)}^{ \frac{1}{2} } \\ 2) \\ here \: r = 32 \: and \: p = .5 \\ then \: v = \sqrt{32 \times .5} \\ = \sqrt{16} = 4volt \\ thank \: you$

6 0

3 years ago

Find a gradient of a line that is parallel and perpendicular to this line with this gradient of -2

yulyashka [42]

a gradient of a line that is parallel and perpendicular to this line with this gradient of -2

Gradient is the slope

So slope of the line =-2

Slope of parallel line is equal to the slope of the line

So slope of parallel line = -2

Slope of perpendicular line is equal to negative reciprocal of slope of the line

We know slope of line = -2

Negative reciprocal = $\frac{1}{2}$

So , Slope of perpendicular line= $\frac{1}{2}$

7 0

3 years ago

-3/5a=2 <br><br> a= ___ please help

Y_Kistochka [10]

Answer:

a=-3 1/3

Step-by-step explanation:

4 0

3 years ago

Find the value of y- ( 8y +2) and (3y +5)= 73

kiruha [24]

Y=6 because if you break it down you get (11y+7) =73 then you subtract 7 from both sides to get 11y=66 then you divide 11 on both sides to get y=6

7 0

3 years ago