What is the value of 5 + 2n if n = 3/4?

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Genrish500 [490]

Answer:

should be 110...

Step-by-step explanation:

80 plus 30

7 0

3 years ago

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What is the solution set

Free_Kalibri [48]

We graphically solve $f(x)=g(x)$ by graphing $f(x)$ and $g(x)$ and eyeballing the points where they intersect each other.

Really none of our choices are the solution set listing all the (x,y) pairs where the two functions meet because none of them is a set.

Anyway we count from the origin five to the right and three up to the meet of the lines, which is the point $(5,3)$ , last choice.

6 0

3 years ago

Which conclusions are valid given that ABCD is a parallelogram? Select True or False for each statement.

Burka [1]

it is true not false true

4 0

2 years ago

A car travels for 4(t+3) hours at a constant speed of 10(t+3) km/h. If the total distance travelled by the car is 810 km, find t

IceJOKER [234]

Step-by-step explanation:

$\because \: time \times speed = distance \\ \therefore \: 4(t + 3) \times 10(t + 3) = 810 \\ \therefore \: 4(t + 3)^{2} = 81 \\ \therefore \: \{2(t + 3) \}^{2} = {9}^{2} \\ \therefore \: \{2(t + 3) \} = {9} \\ \therefore \: t + 3 = \frac{9}{2} \\ \therefore \: t = \frac{9}{2} - 3 \\ \therefore \: t = \frac{9 - 6}{2} \\ \therefore \: t = \frac{3}{2} \\ \therefore \: t = 1.5 \: hrs \\$

$\because \: time \times speed = distance \\ \therefore \: 4(t + 3) \times 10(t + 3) = 810 \\ \therefore \: 4(t + 3)^{2} = 81 \\ \therefore \: \{2(t + 3) \}^{2} = {9}^{2} \\ \therefore \: \{2(t + 3) \} = {9} \\ \therefore \: t + 3 = \frac{9}{2} \\ \therefore \: t = \frac{9}{2} - 3 \\ \therefore \: t = \frac{9 - 6}{2} \\ \therefore \: t = \frac{3}{2} \\ \therefore \: t = 1.5 \: hrs \\ speed \: of \: car = 10(t + 3) \\ \hspace{60 pt} = 10(1.5 + 3) \\ \hspace{60 pt}= 10 \times 4.5 \\ \red{ \boxed{ \bold{ \therefore \: speed \: of \: car = 45 \:km/ h}}} \\$

3 0

3 years ago

Refer to the park map and check all that apply.

lisov135 [29]

Answer:

Its a,c,d

Step-by-step explanation:

I just answered and got it wrong from the first guy to answer this question. it showed the correct answers on my screen after getting it wrong so the correct answers are a,c,d.

4 0

3 years ago

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