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2 years ago

8

SOMEONE HELP ME PLEASE! ¡ALGUIEN QUE ME AYUDE POR FAVOR!

2 answers:

marshall27 [118]2 years ago

6 0

1 = 11
2 = 79
3 = 3
4 = -4
5 = 0
6 = 87. Are the awnsers

Andru [333]2 years ago

3 0

Answer:

1 = 11

2 = 79

3 = 3

4 = -4

5 = 0

6 = 87.

Step-by-step explanation:

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Phillip watched a beach volleyball game from 1:45pm to 2:00pm.how many degrees did the minutes hand turn?

VikaD [51]

For this case, the first thing to do is to calculate the time you were watching the game.
We have then:
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Then, the amount of degrees is given by:
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Answer:
the minutes hand did turn about:
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3 years ago

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3 years ago

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What's the ratio of 75 to 80?

oksano4ka [1.4K]

Answer:

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Step-by-step explanation:

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3 years ago

Write the standard form equation of the ellipse shown in the graph, and identify the foci.

vlada-n [284]

Answer option A

From the given graph is a Vertical ellipse

Center of ellipse = (-2,-3)

Vertices are (-2,3) and (-2,-9)

Co vertices are (-6,-3) and (2,-3)

The distance between center and vertices = 6, so a= 6

The distance between center and covertices = 4 , so b= 4

The general equation of vertical ellipse is

$\frac{(x-h)^2}{b^2} + \frac{(y-k)^2}{a^2}=1$

(h,k) is the center

we know center is (-2,-3)

h= -2, k = -3 , a= 6 and b = 4

The standard equation becomes

$\frac{(x+2)^2}{4^2} + \frac{(y+3)^2}{6^2}=1$

$\frac{(x+2)^2}{16} + \frac{(y+3)^2}{36}=1$

Foci are (h,k+c) and (h,k-c)

$c=\sqrt{a^2-b^2}$

Plug in the a=6 and b=4

$c=\sqrt{6^2-4^2}$

$c=\sqrt{20}$

$c=2\sqrt{5}$ , we know h=-2 and k=-3

Foci are $(-2,-3+2\sqrt{5})$ and $(-2,-3-2\sqrt{5})$

Option A is correct

6 0

3 years ago

The population of a city is expected to decrease by 6% next year. If x represents the current population, write an expression th

Kaylis [27]

Given:

Current population = x

The population of a city is expected to decrease by 6% next year.

To find:

The expression that represents the expected population next year.

Solution:

We have,

Current population = x

Decrease rate = 6%.

Expected population next year = Current population - 6% of Current population

= $x-\dfrac{6}{100}x$

= $x-0.06x$

= $0.94x$

Therefore, the expression for the expected population next year is 0.94x.

4 0

3 years ago