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3 years ago

Katie has 50 chickens she eats 90% how many chickens are left?

Mathematics

2 answers:

Dmitry [639]3 years ago

5 0

45
Find ten percent of 50 by moving the decimal point left once and subtract it from 50

Natalija [7]3 years ago

4 0

Answer:

First off dang Katie you can eat. And the answer is 5

Step-by-step explanation:

She just gobbling them up like no tommrow

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How many solutions exist for the system of equations graphed below?

Anestetic [448]

Answer:

One

General Formulas and Concepts:

Algebra I

Reading a coordinate plane
Solving systems of equations by graphing

Step-by-step explanation:

If 2 lines are parallel, they will have no solution.

If 2 lines are the same, they will have infinite amount of solutions.

We see from the graph that the 2 lines intersect at one point, near x = 1.5.

∴ our systems has 1 solution.

4 0

3 years ago

Read 2 more answers

Can anyone pls help me I’m confused god bless u

nika2105 [10]

Step-by-step explanation:

The slope of the prependicular line is the negative reciporal of the original line's slope.

For slope 2/5

Slope of prependicular line is -5/2

hope this helped you understand it.

6 0

2 years ago

Read 2 more answers

A cashier worked an 8-hour day, and earned $58.00. The double number line shows the amount she earned for working different numb

pav-90 [236]

Answer:

$7.25=1hr $21.75=3hrs

Step-by-step explanation:

$58=8hrs

58/8=7.25

$7.25=1hr

7.25x3=21.75

$21.75=3hrs

Hope this helps :)

8 0

2 years ago

Evaluate the following integral (Calculus 2) Please provide step by step explanation!

Step2247 [10]

Answer:

$\displaystyle \int \dfrac{2}{x^2+2x+1}\:\:\text{d}x=-\dfrac{2}{x+1}+\text{C}$

Step-by-step explanation:

Fundamental Theorem of Calculus

$\displaystyle \int \text{f}(x)\:\text{d}x=\text{F}(x)+\text{C} \iff \text{f}(x)=\dfrac{\text{d}}{\text{d}x}(\text{F}(x))$

If differentiating takes you from one function to another, then integrating the second function will take you back to the first with a constant of integration.

Given integral:

$\displaystyle \int \dfrac{2}{x^2+2x+1}\:\:\text{d}x$

Factor the denominator:

$\begin{aligned}\implies x^2+2x+1 & = x^2+x+x+1\\& = x(x+1)+1(x+1)\\& = (x+1)(x+1)\\& = (x+1)^2\end{aligned}$

$\implies \displaystyle \int \dfrac{2}{x^2+2x+1}\:\:\text{d}x=\int \dfrac{2}{(x+1)^2}\:\:\text{d}x$

$\textsf{Apply exponent rule} \quad \dfrac{1}{a^n}=a^{-n}$

$\implies \displaystyle \int \dfrac{2}{x^2+2x+1}\:\:\text{d}x=\int 2(x+1)^{-2}\:\:\text{d}x$

$\boxed{\begin{minipage}{4 cm}\underline{Integrating $ax^n$}\\\\$\displaystyle \int ax^n\:\text{d}x=\dfrac{ax^{n+1}}{n+1}+\text{C}$\end{minipage}}$

Use Integration by Substitution:

$\textsf{Let }u=(x+1) \implies \dfrac{\text{d}u}{\text{d}x}=1 \implies \text{d}x=\text{d}u}$

Therefore:

$\begin{aligned}\displaystyle \int \dfrac{2}{x^2+2x+1}\:\:\text{d}x & = \int 2(x+1)^{-2}\:\:\text{d}x\\\\& = \int 2u^{-2}\:\:\text{d}u\\\\& = \dfrac{2}{-1}u^{-2+1}+\text{C}\\\\& = -2u^{-1}+\text{C}\\\\& = -\dfrac{2}{u}+\text{C}\\\\& = -\dfrac{2}{x+1}+\text{C}\end{aligned}$

Learn more about integration here:

brainly.com/question/27988986

brainly.com/question/27805589

5 0

2 years ago

A football player completes 19 of his 25 passes during the season. What percent of his passes did the player complete? Use fract

d1i1m1o1n [39]

19/25 is the answer for this one.

5 0

3 years ago