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jasenka [17]
3 years ago
14

Help someone that’s good at math need your help 15 points !

Mathematics
2 answers:
mylen [45]3 years ago
8 0

Answer:

4x-4+3

Step-by-step explanation:

Sholpan [36]3 years ago
7 0

Answer:

-4+4x=3

Step-by-step explanation:

So the first step is to derive an equation from the model.

There are 4 positive x and 4 negative 1 which equal 3 positive 1 which should look like:

4x-4=3

which could be rewritten as:

-4+4x=3

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Pls help due in an hour
BlackZzzverrR [31]

Answer:

4) Yes

5) Yes

6) Yes

7) No

Step-by-step explanation:

4) When we look at the table in the question, we can see the pattern is comics x 3 = price.

We know the definition of a proportional relationship is when one number is increased, the other is as well. So, it is in a proportional relationship.

5) We do the same thing here, we notice that we can divide the number of bikes by 5 to get the number of trips.

So, this is a proportional relationship.

6) The same reasoning applies to 6, we can see they follow a pattern.

7) All of them can be multiplied by 2, except the last one can't, so this is NOT a proportional relationship.

4 0
3 years ago
Read 2 more answers
An engineer is designing a runway for an airport. Several planes will use the runway and the engineer must design it so that it
swat32

Answer:

d=117.33 m

Step-by-step explanation:

Initial velocity of planes, u = 0 (because they are at rest)

Acceleration, a = 3.3 m/s²

Final take off speed, v = 88 m/s

We need to find the minimum allowed length for the runway. Let it is d. d will be the distance. It can be calculated using third equation of motion as follows :

v^2-u^2=2ad\\\\d=\dfrac{v^2-u^2}{2a}

Putting all the values, we get :

d=\dfrac{88^2-0^2}{2\times 33}\\\\d=117.34\ m

Hence, the minimum allowed length for the runway is 117.33 m.

3 0
3 years ago
I need help on this pleasssee!!
aev [14]

Answer:

Option D. x=-3

Step-by-step explanation:

we have

f(x)=\frac{5x^{4}-7}{x+3}

we know that

The denominator cannot be equal to zero

therefore

To find the equation of the vertical asymptote equate the denominator to zero

so

(x+3)=0

x=-3 -----> equation of the vertical asymptote

8 0
4 years ago
BUILDING ON THE ESSENTIAL QUESTION .<br>How are negative exponents and positive exponents related?
Trava [24]
Zero-Exponent Rule: a0 = 1, this says that anything raised to the zero power is 1. ... Negative Exponent Rule: , this says that negative exponents in the numerator get moved to the denominator and become positive exponents. Negative exponents in the denominator get moved to the numerator and become positive exponents.
5 0
3 years ago
Need Help Rn!!!
fgiga [73]
It would be 5850 hope you get it right:)
7 0
4 years ago
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