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3 years ago

PLS HELP WILL GIVE BRAINLIEST only have to answer 17-23 please give explanations too!!

Mathematics

2 answers:

Doss [256]3 years ago

7 0

Answer:

17. nonlinear- not a straight line when graphed

18. linear- (y=-3x+7) straight line

19.linear(y=-x+2)

20.nonlinear(y=-4x^2+32x)

21.linear

22.linear(y=3x)

23. linear(y=-9x+26)

Step-by-step explanation:

bixtya [17]3 years ago

3 0

Answer:

17-Not linear- find degree of equation

18-Linear- find degree of equation (linear)

19-Linear find degree of equation

20 -Not linear find degree of equation

21-Linear find degree of equation

22-Linear find degree of equation

23 Linear find degree of equation

Step-by-step explanation:

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A typical marathon is 26.2 miles. Allan averages 12 kilometers per hour when running in marathons. Determine how long it would t

Natali [406]

Answer:

The time taken by Allan to complete the marathon 3.5 hours

Step-by-step explanation:

Given as :

The distance cover in marathon = d = 26.2 miles

∵ 1 mile = 1.609 km

So, d = 26.2 × 1.609 km

i.e d = 42.155 kilo meter

The average speed of Allan = s = 12 km per hour

Let the time taken by Allan to complete the marathon = t hours

Now, ∵ Time = $\dfrac{\textrm Distance}{\textrm Speed}$

Or, t = $\dfrac{\textrm d}{\textrm s}$

Or, t = $\dfrac{\textrm 42.155 km}{\textrm 12 kmph}$

or, t = 3.512 hours

So , The time taken by Allan to complete the marathon = t = 3.5 hours

Hence, The time taken by Allan to complete the marathon 3.5 hours Answer

4 0

3 years ago

PLEASE HELP ASAP

omeli [17]

Answer:

Match the systems of equations to their solutions. Tiles 2x + y = 12 x = 9 − 2y x + 2y = 9 2x + 4y = 20 x + 3y = 16 2x −...

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Plz follow me and Mark me as brainlest please

7 0

3 years ago

Jenna lives 4 3/10 miles from school. She estimates that she travels 4×2×5 or 40 miles each week. Is her estimate an overestimat

patriot [66]

It will be an underestimate the answer is 43 I hoped that helped?

5 0

3 years ago

Read 2 more answers

Please help asap, i will mark as brainliest. please try to find the answer! asap

Hitman42 [59]

1. 14.4 km, 2. 25.2 km, 3. 37.8 km

8 0

3 years ago

What’s the correct answer for this question?

Helen [10]

Answer:

( -1 , 1 )

Step-by-step explanation:

(x1,y1) = (5,9)

(x2,y2) = (-7,-7)

=(-7+5/2 , -7+9/2)

= (-1,1)

3 0

3 years ago