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3 years ago

Need all of these answers please

Mathematics

2 answers:

Sphinxa [80]3 years ago

5 0

Can someone help me it’s enfold

melamori03 [73]3 years ago

3 0

Topic: segment…

1) x=32, ST=96, TO=96
2) x=7, DO=25, OG=35
3) m4) no fkn clue

topic: mid + dis

1)
a. 3, -2.5
b. 4, -7
2)
a. ≈7.211
b. ≈4.24
3)
a. 14, -8
b. -2, 11
4) CE=4

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A parabola can be drawn given a focus of (1, -7) and a directrix of y = 1. Write the

Paha777 [63]

Answer:

Step-by-step explanation:

focus (1 , -7) ⇒ a = 1 & b = -7

y = 1 ⇒ c = 1

Equation of parabola :

(x - a)² + (y - b)² = (y - c)²

(X - 1)² + (y + 7)² = (y - 1)²

Now, expand.

x² - 2x + 1 + y² + 2*7*y + 7² = y² - 2*y*1 + 1

x² - 2x + 1 + y² - 14y + 49 = y² - 2y +1

x² - 2x + 1 + y² - 14y + 49 - y² + 2y - 1 = 0

x² - 2x + y² - y² - 14y + 2y + 1 + 49 - 1 = 0

x² - 2x - 12y + 49 = 0

7 0

3 years ago

Help me with this problem .

Zielflug [23.3K]

Answer:

Step-by-step explanation:

4 0

3 years ago

Help me please !!!!!!!! Thank you .

Ipatiy [6.2K]

Answer:

You made this up didn't you

Step-by-step explanation:

7 0

3 years ago

Annabelle the ant and Archibald the ant are on a large coordinate grid. Annabelle is at (3,4) and Archibald is at (33,44). If bo

kvasek [131]

Part a) If both ants skate directly towards each other, starting at the same time and skating the same speed, what will be the coordinates of their meeting place?

Let

A(3,4) B(33.44)

we know that

If both ants skate directly towards each other, starting at the same time and skating the same speed

then

the coordinates of their meeting place is the midpoint AB

Find the midpoint AB

in the x-coordinate

(3+33)/2=18

in the y-coordinate

(4+44)/2=24

the midpoint AB is (18,24)

therefore

the answer Part a) is

the coordinates of their meeting place is (18,24)

Part b) How far will each ant skate?

Find the distance AB

$d=\sqrt{(x2-x1)^{2}+(y2-y1)^{2}}$

substitute the values

$dAB=\sqrt{(33-3)^{2}+(44-4)^{2}}$

$dAB=\sqrt{2,500}$ units

$dAB=50$ units

Find the half distance AB

50/2=25 units

therefore

the answer part b) is

Each ant will skate 25 units

7 0

3 years ago

Which equation can be used to calculate the area of the shaded triangle in the figure below?

Nina [5.8K]

Answer:

A = 48 ft²

Step-by-step explanation:

The area (A) of a triangle is calculated as

A = $\frac{1}{2}$ bh ( b is the base and h the perpendicular height )

here b = 16 and h = 6 , then

A = $\frac{1}{2}$ × 16 × 6 = 8 × 6 = 48 ft²

8 0

3 years ago