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cricket20 [7]
2 years ago
5

Students at Jefferson Elementary School made $3,045 selling 210 equally priced boxes of candy. Which is the best estimate for th

e amount each box cost?
Mathematics
2 answers:
FromTheMoon [43]2 years ago
5 0

Answer:

kjhvudyydxdcd

Step-by-step explan vfvvf o mb ation:

Novosadov [1.4K]2 years ago
4 0
3,045 = 210x

3,045/210 = 14.5


A good estimate of the cost would be:

$14.50
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A parabola is represented by the equation y2 = 5x. which equation represents the directrix?
ivann1987 [24]

The value of the directrix is -5/4.

According to the statement

we have given that the equation of parabola is y2 = 5x. And we have to find that the which equation represents the directrix.

We know that the general equation of parabola is

(y - k)2 = 4a(x - h)  -(1)

and given parabola equation is

y2 = 5x.  -(2)

After comparing the both equations we get k=0 and h=0

And the formula to find the directrix is

x = h - a

Substitute the values of h and a in it then

x = 0-5/4

x = -5/4.

Here the directrix is -5/4.

So, The value of the directrix is -5/4.

Learn more about the Parabola here brainly.com/question/4061870

#SPJ4

7 0
1 year ago
How do I find the y intercept in a fraction
Furkat [3]

ANSWER:

Both functions have the same slope

The linear equation does not have a y-intercept

The table and the grahp express an equivalent function

STEP-BY-STEP EXPLANATION:

In order to compare, we must calculate the slope of the table, knowing that the equation in its slope and intercept form is the following:

\begin{gathered} y=mx+b \\ \text{where m is the slope and b is y-intercept} \end{gathered}

The formula to calculate the slope is the following:

m=\frac{y_2-y_1}{x_2-x_1}

The points are (-6, -9/2) and (4,3), replacing:

m=\frac{3-(-\frac{9}{2})}{4-(-6)}=\frac{3+\frac{9}{2}}{4+6}=\frac{\frac{15}{2}}{10}=\frac{15}{20}=\frac{3}{4}

The slope is 3/4

Now, for b

x = 4

y = 3

m = 3/4

replacing:

\begin{gathered} 3=\frac{3}{4}\cdot4+b \\ b=3-3 \\ b=0 \end{gathered}

The equation is:

y=\frac{3}{4}x

Therefore, the true statements are:

• Both functions have the same slope

,

• The linear equation does not have a y-intercept

,

• The table and the grahp express an equivalent function

8 0
8 months ago
How to write out 14x(36-12 devised by 4
Vinvika [58]
My answer would be -84
6 0
3 years ago
What is the answer to 9.2 x 0.3​
zlopas [31]

Answer:

2.76

Step-by-step explanation:

smort

4 0
3 years ago
Read 2 more answers
I got 10 but can someone make sure because I want to get a 100
Sati [7]

Answer:

i think 10

Step-by-step explanation:

6 0
3 years ago
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