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aev [14]
3 years ago
9

What is the value of the expression when x = 5? 3x^2 + 14 - 10x

Mathematics
1 answer:
Andrej [43]3 years ago
7 0

Answer: 39

Step-by-step explanation:

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Which is the equation of the line?
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The answer is B, the x-axis crosses over to -8 the way the line goes also means it is a negative. I don't know for sure because i haven't done this in a while but I hope it helps.
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3 years ago
The population of a city increase exponentially at a rate of x% every 5 years
Lerok [7]

Answer:

1.1460277. Put in your decimal place given to you.

This is the percentage rate.

Step-by-step explanation:

f(x)=0=60100

55=120150

60100=a*b^0

120150/60100=60100/60100*b^5

b^5^(1/5)=5square root(120150/60100)=1.14860277

5 0
3 years ago
Please I need help :(
lora16 [44]

Answer:

A. x-2y-3z = 1/2

Step-by-step explanation:

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6 0
3 years ago
Ryan isn’t riding his bike he bikes a distance of12 miles at a rate of4 miles per hour rearrange the distance formula d=rt to ao
Dmitriy789 [7]

Answer:

 180 minutes

Step-by-step explanation:

Starting with the distance formula ...

 d = rt

dividing by the coefficient of t will give an equation for t:

 t = d/r

Ryan's rate of 4 miles per hour can be expressed in minutes as 4 miles per 60 minutes. The Ryan's time is ...

 t = (12 mi)/(4 mi/60 min) = 12·60/4 min = 180 min

Ryan's time is 180 minutes.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Right triangle ABC is similar to right triangle DEF. If the side lengths for triangle ABC are 15, 20, 25, respectively, which va
solniwko [45]

Answer:

A = 15   B = 20   C = 25

D = 30   E = 40   F = 50

D = 3    E = 4     F = 5

Step-by-step explanation:

Given

Similar Triangles: ABC and DEF

A = 15

B = 20

C = 25

Required

Determine the sides of DEF

No options were given, so I will solve on a general terms.

Since both triangles are similar, then the following relationship exists.

DEF = ABC * n

i.e.

D = A * n    E = B * n     F = C * n

Where

n = Scale\ Factor

Assume n = 2.

So, we have:

D = A * n    

D =15 *2

D = 30

E = B * n    

E = 20 * 2

E = 40

F = C * n

F = 25 * 2

F = 50

Assume n = \frac{1}{5}.

So, we have:

D = A * n    

D =15 *\frac{1}{5}

D = 3

E = B * n    

E = 20 * \frac{1}{5}

E = 4

F = C * n

F = 25 * \frac{1}{5}

F = 5

So, the possible sides are:

A = 15   B = 20   C = 25

D = 30   E = 40   F = 50

D = 3    E = 4     F = 5

6 0
2 years ago
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