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horsena [70]
3 years ago
5

Y=-4x-7 in standard form

Mathematics
1 answer:
Lapatulllka [165]3 years ago
6 0
<span>Y=-4x-7 in standard form is,</span> y + 4 * x + 7 = 0

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Which is a perfect square?<br> 072<br> 81<br> 90<br> 99
nikitadnepr [17]

Answer:81

Step-by-step explanation:

9•9 = 81

3 0
3 years ago
Anybody know the integration for this... The answer is k=3
yanalaym [24]
You know that y^2=4x so x=\dfrac{y^2}{4}.
Area of a shaded region is:

$A=\int\limits_0^k\dfrac{y^2}{4}\,dy=\frac{1}{4}\int\limits_0^ky^2\,dy=\frac{1}{4}\left[\frac{y^3}{3}\right]_0^k=\frac{1}{4}\left[\frac{k^3}{3}-\frac{0^3}{3}\right]=\frac{1}{4}\cdot\dfrac{k^3}{3}=\boxed{\frac{k^3}{12}}

so k:

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3 0
4 years ago
Multiply (3b​ 2​+ 4​b​ + 8)(-2​b​ 2​+ ​b​ + 10).
emmainna [20.7K]
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Then distribute 3b•2 through the parenthesis
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4 0
3 years ago
Compare 5.87 and 5.087 which greatest
IceJOKER [234]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The population of a city has been increasing by 2% annually. In 2000, the population was 315,000. Predict the population of the
Minchanka [31]

Answer:

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Step-by-step explanation:

Given:

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Rate at which the population increases = 2%

To Find:

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Solution:

The population in the city after 2020 can be found by using Exponential growth function.

Exponential growth occurs when a quantity increases by the same factor

Exponential growth function is y = a(1 + r)^t

Where

y is the final amount

a is the initial amount

r is the rate of  increase

t is the time period.

Now substituting the values ,

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y = 315000(1 + 2 \%)^{10}

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y = 315000(1 + 0.02)^{10}

y = 315000(1.02)^{10}

y = 315000\times 1.218

y = 3,839,832.42

4 0
3 years ago
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