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Zina [86]
3 years ago
7

PLEASE HELP!!! WORTH 10 POINTS:)

Mathematics
2 answers:
yan [13]3 years ago
6 0

Answer:

Step-by-step explanation:

Nataliya [291]3 years ago
3 0
The\ slope-intercept\ form:\\\\y=mx+b

the\ slope:\ m=50\ miles/hour\\\\y-intercept=120\ miles\\\\\boxed{y=50x+120}
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You randomly choose one of the tiles. Without replacing the first tile, you randomly choose a second tile. Find the probability
Lesechka [4]

Answer:

4/21

Step-by-step explanation:

I got the first probability and the second probabilty then multiplied them together.

3 0
3 years ago
The name of the angle
Verizon [17]

Answer:

acute

Step-by-step explanation:

8 0
2 years ago
What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1? PLs HELP!!
Delicious77 [7]
ANSWER
f(x)= \frac{1}{4} {(x - 1)}^{2}

EXPLANATION

Since the directrix is
y = - 1

the axis of symmetry of the parabola is parallel to the y-axis.

Again, the focus being,

(1,1)

also means that the parabola will open upwards.

The equation of parabola with such properties is given by,

{(x - h)}^{2} = 4p(y - k)
where
(h,k)

is the vertex of the parabola.

The directrix and the axis of symmetry of the parabola will intersect at
(1, - 1)

The vertex is the midpoint of the focus and the point of intersection of the axis of the parabola and the directrix.

This implies that,
h = \frac{1 + 1}{2} = 1

and
k = \frac{ - 1 + 1}{2} = 0

The equation of the parabola now becomes,

(x - 1) ^{2} = 4p(y - 0)

|p| = 1

Thus, the distance between the vertex and the directrix.

This means that,

p = - 1 \: or \: 1

Since the parabola opens up, we choose
p = 1
Our equation now becomes,

{(x - 1)}^{2} = 4(1)(y - 0)

This simplifies to
{(x - 1)}^{2} = 4y

or

y = \frac{1}{4} {(x - 1)}^{2}

This is the same as,

f(x)= \frac{1}{4} {(x - 1)}^{2}

The correct answer is D .
4 0
3 years ago
880 ounces equals how many pounds?
julia-pushkina [17]

Answer:

880 oz= 55 lb

Step-by-step explanation:

have a good day

4 0
2 years ago
What is 19 × 10 I need help please
AleksAgata [21]
It's 190 it's easy bro
3 0
3 years ago
Read 2 more answers
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