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Kitty [74]
3 years ago
6

Describe and correct the error a student made when graphing y+5=-3/4(x-8).

Mathematics
1 answer:
Elis [28]3 years ago
8 0
In step 1 the y-intercept should be plotted at (0,-6)
Step-by-step explanation:
Remember that to find the Y intercept in any linear equation you need to use 0 as your X value, this means taking the formula in the y=mx+b form and replacing X with a 0.
Since the formula is y = -3/4x -6
We just insert a 0 insted of the "x"
y = -3/4(0) -6
y=0-6
y=6
So the y-intercept sould be placed in (0,-6)
That's what he did wrong when graphing the equation.
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A middle school has 470 students. Regina surveys a random sample of 40 students and finds that 28 have cell phones. How many stu
Dmitry [639]
So from that i think the formula would be
\frac{x}{470}  =  \frac{28}{40}
so then you find "x" by multiplying 470 x 28 which equals 13,160. Then you divide 13,160 by 40 which equals 329.
X=329
329 students are likely to have phones

4 0
3 years ago
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The top of a circular vanilla cake with a diameter of 10 inches was covered with frosting. The Martinez family ate half of the c
g100num [7]

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3 0
3 years ago
The moran family easts 3/8 of a pizza . what percent of the pizza have they eaten ? show work
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3 years ago
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WILL MARK BRAINLIEST!!!PLZ HELP!!!
Andrei [34K]

Answer:

Step-by-step explanation:

Hello,

<em>"Ray says the third-degree polynomial has four intercepts. Kelsey argues the function can have as many as three zeros only."</em>

We know that Kelsey is right, a polynomial of degree 3 has maximum 3 zeroes, so it means that the graph of this polynomial has maximum 3 x-intercepts.

<u>So how Ray can be right too?</u>

we need to think of y-intercept, if we add the y-intercept then Ray can be right too,

as you can see in one example below

there are 3 x-intercepts and 1 y-intercept.

This being said, Ray is not always right. For instance x^3

has only 1 zero (multiplicity 3) its graph has only 1 intercept in the point (0,0)

hope this helps

6 0
3 years ago
The diagram shows a right-angled triangle.
Marizza181 [45]

Answer:

11.9 Cm.

Have a nice day!

Step-by-step explanation:

cos = adj/hyp

cos 24°= hcm/ 13cm

13 cos 24°= h

11.88= h

11.9 cm

7 0
1 year ago
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