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bonufazy [111]
3 years ago
14

Can someone help me i don't know what to do on this

Mathematics
1 answer:
ZanzabumX [31]3 years ago
4 0

Answer:

What is the picture explaining?

Step-by-step explanation:

Like what is the quiestion and the choices you didnt explain.

You might be interested in
Write an equation of the line that is perpendicular to y=-2x-3, and psses through the point (2,-2)
BaLLatris [955]

Hey there! :)

Perpendicular to y = -2x - 3 ; passes through (2, -2)

Using our given information, let's find the slope.We know that in slope-intercept form, m=slope. So, look at our given equation and see what number is in the "m" spot from y=mx+b.

According to our equation, -2 is our slope! However, because we're looking for an equation that's perpendicular to our given one, we need to use the negative reciprocal of -2.

Keep in mind that a negative reciprocal is a number turned upside down and then given or taken away a negative. Ex : -4 turns into 1/4.

So the reciprocal of -2 is 1/2. Now that we have our new slope ( 1/2 ), we must use this equation to find our new equation. y-y₁=m(x-x₁)

Using the new slope (1/2) & the points (2, -2), we can find our new equation.

y - (-2) = 1/2(x - (2)

Simplify.

y + 2 = 1/2x - 2/2

Simplify.

y + 2 = 1/2x - 1

~Hope I helped!~

6 0
3 years ago
The x-intercepts and vertex
Veronika [31]

( - 6, 0).(2, 0 ) , vertex = ( - 2, - 16)

to find the x-intercepts set f(x) = 0

x² + 4x - 12 = 0

(x + 6)(x - 2) = 0 ( equate each factor to zero and solve for x )

x + 6 = 0 ⇒ x = - 6

x - 2 = 0 ⇒ x = 2

x- intercepts are ( - 6, 0),(2, 0)

given the quadratic in standard form : y = ax² + bx + c

the x-coordinate of the vertex = - \frac{b}{2a}

here a = 1 , b = 4 and c = - 12

x- coordinate of vertex = - \frac{4}{2} = - 2

substitute this value into the equation for y-coordinate

x = - 2 → y = 4 - 8 - 12 = - 16

vertex = ( - 2, - 16)


5 0
4 years ago
Dracula has 48 pieces of candy. He gave ⅓ of his candy to his friend and 25% of his candy to his cousin. How many pieces of cand
Natali5045456 [20]

Answer:

Dracula will be left with 24 candies

Step-by-step explanation:

The given problem is of fractions and percentages.

Given that

Total pieces of candy = 48

Now as it is mentioned that Dracula gives 1/3 of his candies to his friend, wee have to find the one third of the total pieces of candies first.

one-third\ of\ candies = \frac{1}{3} * 48\\= 16

Dracula will be left with:

Candies\ left = Total\ candies - one\ third\ of\ candies\\= 48-16 = 32

Dracula will be left with 32 candies after giving one third to his friend.

Now he gives 25% of remaining to his cousin

So,

25\%\ of\ 32\\= \frac{25}{100}*32\\=8

Dracula will be left with: 32-8 = 24 candies

Hence,

Dracula will be left with 24 candies

5 0
3 years ago
Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay
lys-0071 [83]
$33.60. 20% of 40 is 8. 40 minus 8 is 32. 5% of 32 is 1.60, with a sum of 33.60, the total for the shirt.
7 0
4 years ago
What’s the answer to this?!!!
k0ka [10]

Answer:

77 meters

Step-by-step explanation:

For a right triangle, the formula for side length is

a^2 + b^2 = c^2 where c is the hypotenuse (opposite the right angle)

36^2 + b^2 = 85^2

1296 + b^2 = 7225

b^2 = 5,929

find the square root of both sides:

b = 77

Please let me know if you have questions.

8 0
3 years ago
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