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Andrew [12]
3 years ago
8

What is the distance between P(7, 0) and Q(8, 0)?

Mathematics
1 answer:
Yuri [45]3 years ago
4 0
There is no change in the y axis, so it's a vertical distance, and 8-7=1, so the distance is 1
You might be interested in
Determine the value of life g(x)=4x+k is a tangent to f(x)=-x^2+8x+20​
vivado [14]

Answer:

k=16

Step-by-step explanation:

So the tangent line is

4x + k

and it tangent to function

{x}^{2}  + 8x + 20

Since the slope of the tangent line is 4, this means the derivative of f(x) is 4 but first let find the derivative of

{x}^{2}  + 8x + 20

Use the Sum Rule,

\frac{d}{dx}  {x}^{2}  +  \frac{d}{dx} 8x +  \frac{d}{dx} 20

Use the Power Rule and we get

2x + 8

Set this equal to 4

2x  + 8 = 4

2x =  - 4

x =  - 2

So at x=-2, the slope of the tangent line is 4.

Plug -2 in the orginal function, and we get

{ - 2}^{2}  + 8( - 2) + 20 = 8

So the point must pass through -2,8 with a slope of 4.

y - 8 = 4(x + 2)

y - 8 = 4x + 8

y = 4x + 16

So the value of k is 16.

4 0
2 years ago
Megan ate 3/4 of a cookie. wrote and equivalent fraction for the amount of cookie Megan didn't eat
Inessa [10]
1 cookie=number/number where number stays constant so
1 cookie=1/1,2/2,3/3,4/4,5/5, etc

so if 3/4 of cookie eaten
the bottom number tells how many in the whole or 1 so
whole=4/4
4/4-3/4=1/4
1/4=not eaten
equivilent, multiply top and bottom number by same number
1/4 times 2/2=2/8
1/4 times 4/4=4/16
3 0
3 years ago
Read 2 more answers
Danae paints the front and back of a door
beks73 [17]

Answer: 2686 feet squared, you would do “79x34”

5 0
3 years ago
Ms. Bridges asked her class to evaluate the expression she wrote on her whiteboard.
Snezhnost [94]

Answer:

41

Step-by-step explanation:

PEMDAS parentheses equation multiplication division adding subtraction

8 0
3 years ago
Ann can swim 20 laps in 8 min. how long will it take to swim 9 laps? show your equations(s).
Volgvan
Take 20 laps divide by 8 then take the number times 9 laps
6 0
3 years ago
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