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FromTheMoon [43]

3 years ago

14

What are 2 numbers that round to 264.5 when rounded to the nearest tenth

2 answers:

Diano4ka-milaya [45]3 years ago

7 0

Rounded to the nearest tenth to become 264.5

We can have 264.48 and 264.49.

We simply make the digit after the tenth digit to be 5 or more. So that when it is rounded up it becomes 264.5

You can have more like 264.488, 264.467, as much as you want to form.

leonid [27]3 years ago

3 0

264.53 and 264.54 because half of 5 is 2.5 so any number higher than 264.25 and lower than 264.554

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Find an equation of the parabola with vertex (-1, -5) and directrix x=-7.

Natalka [10]

Answer:

Base on the vertex (h, k) and the distance p between vertex and directrix, the standard form of parabola is written as:

(x – h)^2 = 4*p(y – k)

We have (-1, -5) as vertex.

=> (x + 1)^2 = 4*p(y + 5)

Now, we find p:

The distance between (-1, -5) and x = -7 is calculated by:

|-1 -(-7)| = |6| = 6

=> (x + 1)^2 = 4*6(y + 5)

=> (x + 1)^2 = 24(y + 5)

Hope this helps!

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4 0

3 years ago

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The population of a city is 451,400. The population is expected to decrease at a rate of 3.2% each year.

blondinia [14]

Answer:

Find out the what function equation represents the population of the city after t years .

To prove

The population of a city is 451,400. The population is expected to decrease at a rate of 3.2% each year.

This can be represented by exponential decreasing function.

$f(t) = a (1 - r)^{t}$

Where a is the initial value.

r is the rate in decimal form

t is the time.

Here

a = 451,400

3.2 % is written in the decimal form.

$= \frac{3.2}{100}$

= 0.032

Put in the formula

$f(t) = 451400 (1 - 0.032)^{t}$

$f(t) = 451400 (0.968)^{t}$

Therefore the decrease in the population of the city after t years is represented by

$f(t) = 451400 (0.968)^{t}$

5 0

3 years ago

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Write the mixed number 5 2/25 as a percent.

Nataliya [291]

Answer:

I'm assuming it's like this : 5*2/25 which will be 0.4, which is 40%

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3 years ago

How many vertical asymptotes does the graph of this function have?F(x)=2/x(x+1)

Fantom [35]

Answer:

A

Step-by-step explanation:

It has one asymptote at x = -1,0

Have a nice day!

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3 years ago

3 4/7 minus 2 1/5 by rounding to the nearest half

mylen [45]

Answer:

$1 \frac{13}{35}$

Step-by-step explanation:

$3 \frac{4}{7} - 2 \frac{1}{5}$

you can solve for the fractions first, but you have to give them a common denominator

$\frac{20}{35}- \frac{7}{35}$

$= \frac{13}{35}$ which is in simplest form

then solve for the whole numbers

3-2=1

therefore, the answer is $1 \frac{13}{35}$

6 0

3 years ago