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2 years ago

I need help, can someone help me

Mathematics

1 answer:

Zarrin [17]2 years ago

4 0

Answer:

Yes, the price is proportionate. Every rose cost 3 dollars.

Step-by-step explanation:

1 rose * 3 dollars = 3

3 rose * 3 dollars = 9

6 rose * 3 dollars = 18

9 rose * 3 dollars = 27

12 rose * 3 dollars = 36

15 rose * 3 dollars = 45

Equation

R*3=P

Number of roses* 3 dollars per rose = Prices (Dollars)

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On the freeway, it is unsafe to drive too slowly or too quickly. The safest driving speeds on the freeway near Allan’s town were

meriva

Answer:

59.0 miles per hour

Step-by-step explanation:

When you have an equation with an absolute value, you must consider two options: one with a positive result and another one with a negative result.

$x-55 = 4.2\\x = 4.2 + 55\\x = 59.2\\\\And\\\\x-55 = -4.2\\x=-4.2 + 55\\x = 50.8$

In this case you need the maximum safe driving speed which is 59.2 miles per hour

8 0

2 years ago

If one-sixth of a number plus one-third returns two-thirds of that number What is the number

Solnce55 [7]

Answer:

$x= \frac{2}{3}$

Step-by-step explanation:

Let the number be x

Given

$\frac{1}{6}x + \frac{1}{3} = \frac{2}{3}x$

Required

Find x

$\frac{1}{6}x + \frac{1}{3} = \frac{2}{3}x$

Collect Like Terms

$\frac{1}{6}x - \frac{2}{3}x = - \frac{1}{3}$

Take LCM

$\frac{1 - 4}{6}x = \frac{-1}{3}$

$\frac{- 3}{6}x = \frac{-1}{3}$

Multiply both sides by 6

$6 * \frac{- 3}{6}x = \frac{-1}{3} * 6$

$-3x= -2$

Divide both sides by -3

$\frac{-3x}{-3}= \frac{-2}{-3}$

$x= \frac{2}{3}$

Hence, the number is $\frac{2}{3}$

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4%7D%7B5%20%7D%20%2B%20%20%5Cfrac%7B3%7D%7B20%7D%20%20%3D%20" id="TexFormula1" ti

____ [38]

The answer is 19/20
Hope this helps

8 0

3 years ago

Read 2 more answers

Given the term 3x², select ALL of the like terms listed below. Question 3 options: A.-2x²

atroni [7]

Answer:

A.- $2x^2$

D. $5x^2$

E. $x^2$

Step-by-step explanation:

Like terms must have the same variable, in this case x, and the same exponent, in this case 2. Since the original term is $3x^2$ , the like terms will be those that contain $x^2$ , regardless of whether their coefficient or sign is different.

Analyzing the options:

A.- $2x^2$

We have the same variable and the same exponent $x^2$ , so it is a like term.

B. $3x$

You have the same variable x but not the same exponent. So it's not a like term of $3x^2$

C. $3x^3$

Same variable $x$ but as in the previous case, the exponent is different, it is a 3 and it should be a 2, so it is not a similar or like term.

D. $5x^2$

In this option we do have the $x^2$ , so it is a like term of $3x^2$

E. $x^2$

It is also a like term because it contains the $x^2$ .

In summary the like terms are:

A.- $2x^2$

D. $5x^2$

E. $x^2$

7 0

2 years ago

Solve using quadratic formula<br> 5x^2-4x+3=0

Semenov [28]

Answer:

Impossible

Step-by-step explanation:

In 5x^2-4x+3=0, standard form, substitute these values in the quadratic formula:

a = 5; b = -4; c = 3

The quadratic formula is $x = \frac{ -b ± \sqrt{b^{2} - 4ac}}{2a}$

(ignore the weird capital A)

Substitute a b and c:

$x = \frac{-(-4) ± \sqrt{(-4)^{2} - 4(5)(3)}}{2(5)}$

Simplify:

$x = \frac{4) ± \sqrt{16 - 60}}{10}$

Because $\sqrt{16-60}$ is the square root of a negative number, the answer would be imaginary.

Therefore, there are not solutions to this equation.

A solution is the same as the roots or zeroes, where the graph would cross the x-axis when graphed.

The graph never meets the x-axis. It looks like this:

3 0

2 years ago