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labwork [276]
1 year ago
11

Do a plane in the point always sometimes or never intersect? Explain.​

Mathematics
1 answer:
zheka24 [161]1 year ago
8 0

Answer:

sometimes; They intersect when the point is in the plane.

Step-by-step explanation:

quiziz

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Describe and correct the error in writing an equation of the line with a slope of 2 and a y-intercept of 7.
olganol [36]

Answer:

The mistake they made was they switched the slope and y-intercept.

The correct answer is y=2x+7 because when we write an equation in slope intercept form (y=mx+b) you replace m with the slope and b with the y-intercept.

Hope this helps! <3

8 0
2 years ago
Which function below is the inverse of f(x) = x^2-9
USPshnik [31]
To find the inverse
replace f(x) with y
switch all x and y
solve for y
replace y with f⁻¹(x)

f(x)=x^2-9
y=x^2-9
x=y^2-9
x+9=y^2
sqrt both sides
\sqrt{x+9}
replace
f⁻¹(x)=\sqrt{x+9}

that is the inverse
5 0
3 years ago
9.07<br> X 6.5 <br> Multiple
Fudgin [204]

Answer:

58.955 is the right answer

Step-by-step explanation:

6 0
3 years ago
Khalid wants to buy a long sandwich for a party. Store A sells a 5 foot sandwich for $42.50. Store B sells a 6 foot sandwich for
Alex17521 [72]

Store A: 1 foot= 42.50÷5 = $8.50

Store B= 1 foot= 49.50÷6 = $8.25

Answer:

Store B has a better buy because the price for 1 foot sandwich is cheaper than Store A.

3 0
3 years ago
X + 15y = 40 / x + 10y = 30 solve for x and y
Elina [12.6K]
Use elimination to find both values.
Subtract the second equation from the first equation
x + 15y = 40
- x + 10y = 30
————————
5y = 10
y = 2

Plug in the value for y into one of the equations. I’m going to put it in the second equation.
x + 10(2) = 30
x + 20 = 30
x = 10

x = 10
y = 2
5 0
3 years ago
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