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2 years ago

Use compatible numbers to estimate the quotient 1624÷23

Mathematics

1 answer:

noname [10]2 years ago

5 0

The answer is 7 R14
That the answer

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The number y of deer in a county after x years can be modeled by y=0.75x^2 + 10.5x + 1300. When were there about 2000 deer? Roun

Lemur [1.5K]

Answer:

24 years

Step-by-step explanation:

We are told that the model of number of deers is;

y = 0.75x² + 10.5x + 1300

Where;

y represents number of deers

x represents number of years

Now, we want to find how many years it will take to get to 2000 deers.

Thus;

2000 = 0.75x² + 10.5x + 1300

0.75x² + 10.5x + 1300 - 2000 = 0

0.75x² + 10.5x - 700 = 0

Using quadratic formula, we have;

x = [-b ± √(b² - 4ac)]/2a

x = [-10.5 ± √(10.5²- (4*0.75*-700)]/(2*0.75)

x = [-10.5 ± √(110.25 + 2100)]/(1.5)

x = [-10.5 ± √2210.25]/(1.5)

x ≈ -38 or 24

Number of years can't be negative, so we will take the positive value.

So, x = 24 years

3 0

2 years ago

PLEASE HELP!!<br> It’s asking for the measure of Arc KL in degrees

barxatty [35]

Answer:

30 degrees

Step-by-step explanation:

5 0

3 years ago

Is y equals 2x + 4 linear or non-linear

Drupady [299]

Answer:

The equation listed is linear because 2x is a constant, meaning that it continuously moves in a straight line in one set direction.

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Fernando loves to make music playlists. He likes to keep the same ratio of country songs to rock songs. On his summer playlist,

Ede4ka [16]

Answer:

There are 6 rock songs on Fernando's road trip playlist.

Step-by-step explanation:

Given that he keeps the ratio same

This means that the ratios for both summer playlist and trip playlist will be the same

Let

c1 be the country songs in summer playlist

r1 be the rock songs in trip playlist

Similarly,

c2,r2 will be the country and rock songs in trip playlist

Both will be equal so

$\frac{c_1}{r_1} = \frac{c_2}{r_2}$

Putting the values

$\frac{100}{24} = \frac{25}{r_2}\\100r_2 = 25*24\\100r_2 = 600r_2 = \frac{600}{100}\\r_2 = 6$

Hence,

There are 6 rock songs on Fernando's road trip playlist.

3 0

3 years ago

Quadrilateral ABCD is inscribed in this circle.

lawyer [7]

180 °- 121°

= 59°

the answer is 59°

5 0

3 years ago

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