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2 years ago

7

There are 65 people coming to your party and each person will need one cup. How many packages of cups should you buy if one pack

age contains 3 cups?
ANWSER:

STEP BY STEP EXAMPLE:

2 answers:

melomori [17]2 years ago

8 0

Answer: 22

Step-by-step explanation: 65 divided by 3 is 22

Tema [17]2 years ago

6 0

Answer:

21or22

Step-by-step explanation:

65/3

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Convert y =(x+1)(x-9) to vertex form

IgorC [24]

Answer:

y = (x - 4)² - 25

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square.

Given

y = (x + 1)(x - 9) ← expand factors using FOIL, thus

y = x² - 8x - 9

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² - 8x

y = x² + 2(- 4)x + 16 - 16 - 9

= (x - 4)² - 25 ← in vertex form

5 0

3 years ago

You are traveling to Colombia, where the currency is the Colombian peso (COP). The exchange rate is USD/COP 1,983.24 . How many

chubhunter [2.5K]

You would have 198,324 pesos. All you have o do is multiply 1,983.24 by 100

8 0

3 years ago

Use the given information to write the standard equation of the circle

Strike441 [17]

Answer:

$(x-1)^{2} +(y-2)^2=9$

Step-by-step explanation:

8 0

3 years ago

(3x2-10x+4)+(10x-5x+8)

Luba_88 [7]

Answer:

13x^2 - 15x + 12

Step-by-step explanation:

Add like terms.

3x^2 + 10x^2 = 13x^2

-10x + -5x = -15x

4 + 8 = 12

8 0

3 years ago

If cos(θ)=2853 with θin Q IV, what is sin(θ)?

marysya [2.9K]

Answer: $\sin \theta=\frac{-45}{53}$

Step-by-step explanation:

Since we have given that

$\cos\theta=\frac{28}{53}$

And we know that θ is in the Fourth Quadrant.

So, Except cosθ and sec θ, all trigonometric ratios will be negative.

As we know the "Trigonometric Identity":

$\cos^2\theta+\sin^2\theta=1\\\\\sin \theta=\sqrt{1-\cos^2\theta}\\\\\sin \theta=\sqrt{1-(\frac{28}{53})^2}=\sqrt{\frac{53^2-28^2}{53^2}}\\\\\sin \theta=\sqrt{\frac{2025}{53^2}}\\\\\sin \theta=\frac{45}{53}$

It must be negative due to its presence in Fourth quadrant.

Hence, $\sin \theta=\frac{-45}{53}$

7 0

3 years ago