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Savatey [412]
3 years ago
5

Correct answer will be marked the brainliest

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

Answer:a point or a line

Step-by-step explanation:

RUDIKE [14]3 years ago
7 0

Answer:

aa point or line

Step-by-step explanation:

good luck on ur test:)

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Ok dont look at the one i marked just figure it out ..I will give you brainliest...
emmasim [6.3K]

Answer:

7.5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please Help!!
Genrish500 [490]

Given

a\sqrt{x+b}+c=d

we have

\sqrt{x+b}=\dfrac{d-c}{a}

Squaring both sides, we have

x+b=\dfrac{(d-c)^2}{a^2}

And finally

x=\dfrac{(d-c)^2}{a^2}-b

Note that, when we square both sides, we have to assume that

\dfrac{d-c}{a}>0

because we're assuming that this fraction equals a square root, which is positive.

So, if that fraction is positive you'll actually have roots: choose

a=1,\ b=0,\ c=2,\ d=6

and you'll have

\sqrt{x}+2=6 \iff \sqrt{x}=4 \iff x=16

Which is a valid solution. If, instead, the fraction is negative, you'll have extraneous roots: choose

a=1,\ b=0,\ c=10,\ d=4

and you'll have

\sqrt{x}+10=4 \iff \sqrt{x}=-6

Squaring both sides (and here's the mistake!!) you'd have

x=36

which is not a solution for the equation, if we plug it in we have

\sqrt{x}+10=4 \implies \sqrt{36}+10=4 \implies 6+10=4

Which is clearly false

7 0
3 years ago
2. On the snow day, 8 kids from the neighbor-
andre [41]

Answer: 30 buttons

Step-by-step explanation:

If there were 8 kids, and 7 more joined, then there were 15 kids making snowmen (8+7 = 15).  Each child used 2 buttons for the eyes, so 30 buttons were used (15 x2 = 30).  This is assuming no other buttons were used on the snowmen for anything else

5 0
2 years ago
Factor completely:<br><br> 7r^2− 64r + 64
poizon [28]

Answer:

7r^2-64r+64

49r-64r+64

-15r+64

Step-by-step explanation:

8 0
2 years ago
Choose all that correctly describe the pattern of association between the two quantities on the scatter plots.
Likurg_2 [28]
Positive and negative
6 0
3 years ago
Read 2 more answers
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