Mathematics High School

Anybody want to help with math? :)
(x^5y^2-x^3y^2+xy-1)-(x^5y^2-x^4y^2-x^3y^2-x^2y+xy-1)
Ty :)

Answers

Answer 1

Attached images. :)

-

Comment if it's confusing, I would love to explain. <3

Anybody Want To Help With Math? :)(x^5y^2-x^3y^2+xy-1)-(x^5y^2-x^4y^2-x^3y^2-x^2y+xy-1)Ty :)
Anybody Want To Help With Math? :)(x^5y^2-x^3y^2+xy-1)-(x^5y^2-x^4y^2-x^3y^2-x^2y+xy-1)Ty :)

Related Questions

Which type of function is shown in the table
below?

Answers

Answer:

Not a function

Step-by-step explanation:

Since 2 different points have the same x-coordinte, the relation is not a function.

Hurry and answer this please. Find the volume of the sphere use 3.14 for pi

Answers

Answer:

44.6cm³

Step-by-step explanation:

V=3/4×3.14×2.2³=44.6cm³

Answer:

Option 2) 44.6 cm³ os the correct answer.

Step-by-step explanation:

SOLUTION :

Here we have given that the radius of the sphere is 2.2 cm. We have to find the volume of sphere.

Finding the volume of sphere by substituting all the given values in the formula :

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = \dfrac{4}{3}\pi{r}^{3}}}}[/tex]

V = volume π = 3.14 r = radius

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = \dfrac{4}{3}\pi{r}^{3}}}}[/tex]

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = \dfrac{4}{3} \times 3.14 \times {(2.2)}^{3}}}}[/tex]

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = \dfrac{4}{3} \times 3.14 \times 10.65}}}[/tex]

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = \dfrac{4}{\cancel{3}} \times 3.14 \times \cancel{10.65}}}}[/tex]

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = 4 \times 3.14 \times 3.55}}}[/tex]

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = 12.56 \times 3.55}}}[/tex]

[tex]\quad{\longrightarrow{\sf{V_{(Sphere)} = 44.58 \: {cm}^{3}}}}[/tex]

[tex]\quad{\longrightarrow{\sf{\underline{\underline{\pink{V_{(Sphere)} \approx 44.6 \: {cm}^{3}}}}}}}[/tex]

Hence, the volume of sphere is 44.6 cm³.

————————————————

Find the inverse of the function

Answers

Take a look at the photo for the answer.
Hope this helps!! :)

You purchased a new car for $32,000. The value
of the car decreases by 12% each year. Which
function could be used to model the value of the
car V after years?
a. V(t)=32,000(1+0.12)'
b. V()=32,000(1 -0.12)'
c. V(t)=32,000(0.12)'
d. V(t)=32,000 - 0.12r

Answers

The function that could be used to model the value of the car V after years is V(t) = 32000(1 - 0.12)^t

How to determine the function?

The given parameters are:

Initial value, a = 32000

Rate, r = 12% --- depreciation rate

Since the value of the function decreases with time, the equation of the exponential function would be:

V(t) = a(1 - r)^t

So, we have:

V(t) = 32000(1 - 12%)^t

Express as decimal

V(t) = 32000(1 - 0.12)^t

Hence, the function that could be used to model the value of the car V after years is V(t) = 32000(1 - 0.12)^t

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Find the length of the arc of the circle.

Answers

Answer:

25.12 in

Step-by-step explanation:

In the given circle

radius (r) = 12 in

central angle [tex](\theta) = 120\degree[/tex]

Formula for length of arc is given as:

[tex] l=\frac{\theta}{360\degree}\times 2\pi r[/tex]

Plugging the values of r and [tex]\theta[/tex] in the above equation, we find:

[tex] l=\frac{120\degree}{360\degree}\times 2(3.14) (12)[/tex]

[tex]\implies l=\frac{1}{3}\times 2(3.14) (12)[/tex]

[tex]\implies\huge\red{ l=25.12\:in}[/tex]

Which expressions represent the volume of the composite figure (the shaded figure)? check all that apply. (7)(12)(10) – π(32)(10) one-third(7)(12)(10) – one-thirdπ(32)(10) one-third(7)(12)(10) one-thirdπ(32)(10) 280 – 30π 280 30π 840 – 90π

Answers

Answer:

esf

Step-by-step explanation:

Answer: b and d

Step-by-step explanation: right on edge

HELP ASPA PLEASE I will give brainliest
A state uses a combination of three letters (A – Z) followed by three digits (0 – 9) for
their standard vehicle license plates. How many different standard license plates are
possible using a combination of three letters followed by three digits.

Answers

Answer:

2340

Step-by-step explanation:

fundamental counting principle

Which of the following is equal to the rational expression below when x≠2 or
9?
4(x-2)
(x-2)(x-9)

Answers

The expression equivalent to the given expression is [tex]\frac{4}{x-9}[/tex]

Rational expressions

This are expressions written as a ratio of two expressions. Given the rational expression

[tex]f(x) = \frac{4(x-2)}{(x-2)(x-9)}[/tex]

Since (x-2) is common in both numerator and denominator, they wil cancel out to have the function below;

[tex]f(x) = \frac{4(x-2)}{(x-2)(x-9)}=\frac{4}{x-9}[/tex]

Hence the expression equivalent to the given expression is [tex]\frac{4}{x-9}[/tex]

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Express 160° in radian measure

Answers

2.793 radians i think

Find the value of x

Answers

The answer is X = 12.
This is how to get that answer: the formula for the intersecting secant and tangent outside the circle is a^2 = b(b+c) If you use the numbers in the pic you will get x^2 = 9(9+7) so the number after the equal sign will be 144, so x^2 = 144. To undo the square youre gonna use the square root on both sides, so you have X = 12.

Solve the following equation for


G:2 (g-h) = b+4

Answers

If the equation 2(g - h) = b + 4 is solved for g. Then the value of g will be b/2 + h + 2.

What is the solution of the equation?

A combination of equations solution is a collection of values x, y, z, etc. that enable all of the calculations to true at the same time.

The equation is given below.

2(g - h) = b + 4

Then solve the equation for the value of g. Then we have

2(g - h) = b + 4

   g - h = b/2 + 2

        g = h + b/2 + 2

More about the solution of the equation link is given below.

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Review the steps of the proof of the identity
At which step was an error made?
sin (A-3) - COSA.
= A.
step 1
step 2
3п
sin
step 3
step 4
Step 1: = sinAcos
3 п
2
-
COSAsin
n ()
Step 2: = (sinA)(0) + COSA( - 1)
Step 3: = (sinA)(0) + (1) (COSA)
Step 4: = 0 + COSA
Step 5: Cos A

Answers

Answer:

step 2

and then also in step 3 compensating the error in step 2

Step-by-step explanation:

I think I just answered this for another post.

sin(a - b) = sin(a)cos(b) - cos(a)sin(b)

so, step 1 is correct :

sin(A - 3pi/2) = sin(A)cos(3pi/2) - cos(A)sin(3pi/2)

but step 2 suddenly and incorrectly switched that central "-" to a "+".

yes, sin(3pi/2) = -1, but that is still an explicit factor in step 2. so it was not used to flip the central operation from subtraction to addition, and therefore this change was a mistake.

then, in step 3, another error was made by just ignoring the "-" sign of "-1" and still keeping the central "+" operation. this error compensated for the error in step 2 bringing us back by pure chance to the right result.

geometry worksheet pls help me

Answers

Answer:

yes

Step-by-step explanation:

They too are congruent because they both have equal measure.

A radioactive compound with mass 470 grams decays at a rate of 3% per hour. Which
equation represents how many grams of the compound will remain after 6 hours?
Submit Answer
O C = 470(0.03)
O C = 470(0.7)
O C = 470(1 + 0.03)
C = 470(1 – 0.03)

Answers

After 6 hours the radioactive compound with mass 470 grams becomes 391.49 grams and the equation will be C is equal to 470(1-0.03)^6.

What is exponential decay?

During exponential decay, a quantity falls slowly at first before rapidly decreasing. The exponential decay formula is used to calculate population decline and can also be used to calculate half-life.

We know the decay can be as:

[tex]\rm C = a(1-r)^t[/tex]

We have:

a = 470 grams

r = 3% = 0.03

t = 6 hours

[tex]\rm C = 470(1-0.03)^6[/tex]

C = 391.49 grams

Thus, after 6 hours the radioactive compound with mass 470 grams becomes 391.49 grams and the equation will be C is equal to 470(1-0.03)^6.

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Are these ratios equivalent?
12 cards to 72 animals, 11 marbles to 66 marbles

Answers

yes

72/12 = 6
66/11 = 6

6 = 6

Can someone check this screen shot out and help me pls?

Answers

Answer:

A

Step-by-step explanation:

positive, the longer she run, the longer she jump

Answer A
Positive the further u run the farther u jump

Gloria says the two expressions;
1/3 (9x + 48) - 12x and -4(2x +4) are ecuivalent. Is she correct?
Explain how you know.

Answers

Answer:

She is incorrect

Step-by-step explanation:

[tex]\begin{aligned}\dfrac{1}{3}(9x+48)-12x & =\dfrac{9}{3}x+\dfrac{48}{3}-12x\\ & = 3x+16-12x\\& = 16-9x\end{aligned}[/tex]

[tex]\begin{aligned}-4(2x+4) & =(-4)2x+(-4)4\\& = -8x-16\end{aligned}[/tex]

As  [tex]16-9x\neq -8x-16[/tex]  then she is incorrect.

1/3(9x+48)-12x=-4(2x+4)3x+16-12x=-8x-16-9x+16≠-8x-16

She is incorrect

Select the fraction that is equivalent to one fifth. (2 points)


a

1/10


b

2/1


c

2/5


d

3/5

Answers

Answer:

none

Step-by-step explanation:

[tex]one \: fifth = \frac{1}{5} \\ from \: the \: options \: no \: fraction \: is \: equivalent \: to \: one \: fifth \: and \: non \: of \: the \: fracrions \: can \: be \: reduced \: to \: give \: one \: fifth \\ so \: the \: answer \: is \: none[/tex]

PLEASE PLEASE HELP QUICKLY
Complete the ratio table to convert the units of time from hours to weeks or weeks to hours.
Hours
Weeks
168
1
1,008
5

Answers

The correct answers are 1008 hours are 6 weeks and 5 weeks are 840 hours.

What is the ratio?

The ratio indicates how many times one number is to the other number.For example, if you have 4 chocolates and 2 cakes the ratio of the chocolates and the cake will be 2:1 which means that chocolate is 2 times then the cake.

It is given that 168 hours is equal to 1 week. we need to find 1008 hours has how many weeks and 5 weeks has how many hours.

1.) 1008 hours has how many weeks

168 hours = 1 week

1 hour  =  1 / 168 weeks

1008 hours  = 1008 / 168  =  6 weeks

So 1008 hours has 6 weeks

2.) 5 weeks has how many hours.

1 week = 168 hours

5 weeks = 5 x 168 hours

5 weeks = 840 hours

So 5 weeks will have 840 hours.

Therefore correct answers are 1008 hours are 6 weeks and 5 weeks are 840 hours.

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Answer:

hours    weeks

168          1

1008        6

840         5

Step-by-step explanation:

16. Hamster Heaven charges an annual fee of $20 plus $2.50 for each day of hamster
activities you attend. Hamster Fun World charges an annual fee of $35 plus $1 for each day
of hamster activities you attend. Write and solve a linear system using a method of your
choosing and explain which company you would use for your hamster and why. A graph is
included below if you would like to graph it. Make sure you identify your variables, check
your solution and write a sentence.

Answers

Answer:

hamster heaven

y=20+2.5x

hamster fun world

y=35+x

Step-by-step explanation:

by solving we get

x=10

y=45

by comparing the graph hamster fun world 8s cheaper on the long run

Mark Me Brainliest

34) Find the inverse of y = 5x​

Answers

x=5y
Isolate y, so divide both sides by 5
x/5=y
Or
f(x)^-1=x/5

Please help on this square root problem

Answers

Rationalizing the denominator of the expression, it is found that the simplified expression is given by:

[tex]\frac{\sqrt{6}(12x + 20x^2) + 3\sqrt{x} + 5\sqrt{x^3}}{x(96x - x)}[/tex]

What is the expression that we have to simplify?

It is given by:

[tex]\frac{3 + 5\sqrt{x^2}}{4\sqrt{6x^2} - \sqrt{x}}[/tex]


We rationalize the denominator, using the subtraction of perfect squares, hence:

[tex]\frac{3 + 5\sqrt{x^2}}{4\sqrt{6x^2} - \sqrt{x}} \times \frac{4\sqrt{6x^2} + \sqrt{x}}{4\sqrt{6x^2} + \sqrt{x}}[/tex]

Then, solving the expression:

[tex]\frac{(3 + 5\sqrt{x^2})(4\sqrt{6x^2} + \sqrt{x})}{16(6x^2) - x}[/tex]

[tex]\frac{12\sqrt{6x^2} + 3\sqrt{x} + 20x^2\sqrt{6} + 5\sqrt{x^3}}{96x^2 - x}[/tex]

[tex]\frac{\sqrt{6}(12x + 20x^2) + 3\sqrt{x} + 5\sqrt{x^3}}{x(96x - x)}[/tex]

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Erin wants to invest $3,600.00 in a savings account that pays 4.42% simple interest. How long will it take for this investment to reach a value of $6,700.00?

Round your answer to the nearest tenth of a year.

It will take
years for the investment to reach a value of $6,700.00.

Answers

[tex]~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$6700\\ P=\textit{original amount deposited}\dotfill & \$3600\\ r=rate\to 4.42\%\to \frac{4.42}{100}\dotfill &0.0442\\ t=years \end{cases} \\\\\\ 6700=3600[1+(0.0442)(t)]\implies \cfrac{6700}{3600}=1+0.0442t\implies \cfrac{67}{36}=1+0.0442t \\\\\\ \cfrac{67}{36}-1=0.0442t\implies \cfrac{31}{36}=0.0442t\implies \cfrac{\frac{31}{36}}{0.0442}=t\implies 19.5\approx t[/tex]

1. Suppose a circle is divided into congruent slices. Match each number of slices with
the resulting central angle measure of each slice.
A. 2.
1.45°
B.3
2. 60°
C.4
3. 72°
D.5
4. 120°
E. 6
5. 90°
F.8
6. 180°

Answers

Answer:

Step-by-step explanation:

congruent slices means all slices with same shape and angle

a circle has 360 (angle)

For 2, 180

For 3, 120

For 4, 90

For 5, 72

For 6, 60

For 8, 45

Need help asap please help (brainlest if correct)

Answers

Answer:

Range at the start of the school year = 12 - 7 = 5

Range at the end of the school year = 12 - 8 = 4

Step-by-step explanation:

Hope this helps!

Answer:

12 - 7 = 5

12 - 8 = 4

The area of the triangle below is 33.37 square centimeters. What is the length of the
base?

Answers

Answer:

9.4 cm

Step-by-step explanation:

33.37x2=66.74÷7.1=9.4

can someone tell me how do I solve this. how is the result 2.40
we still have not learned log in school​

Answers

Step-by-step explanation:

Properties used

logₐ a = 1log aᵇ = b log alog ab = log a + log b

See the steps below

- log (4*10⁻³) = - (log 4 + log 10⁻³) =        (log 4 ≈ 0.6 rounded)- (0.6 - 3*log 10) = - (0.6 - 3*1) = - (0.6 - 3) = - (- 2.4) = 2.4

You know that 3 pencils and 7 pens cost $24 with 3 pencils and 3 pens cost $12 how many dollars are 4 pencils and 5 pens worth?

Answers

The answer is the following

Suppose a rocket is launched from a platform. The function h(t) - 4.96 + 200€ + 25gives the rocket's
height, h, in meters, in terms of time, t, in seconds. The function h(t) is equivalent to -4.9(t- 20. 41) + 2,065.82

Answers

Answer:

See below

Step-by-step explanation:

Opens Downward   ( due to the  -  coefficient  of t^2 )

when t = 0    the height is = 25 meters

initial velocity = 200 m/s

Vertex = 20.41, 2065.82

simplify the expression
4(5+ -3x) +10​

Answers

Answer:

30 - 12x or 6(5 - 2x)

Step-by-step explanation:

Given expression:

4[5 + (-3x)] + 10​

First, let us simplify the expression inside the parentheses;

⇒ 4[5 + (-3x)] + 10​⇒ 4[5 - 3x] + 10​

Then, let us open the parentheses by simplifying the distributive property;

⇒ 4[5 - 3x] + 10​⇒ 20 - 12x + 10​

Finally, let us simplify the expression by adding 10 to 20.

⇒ 20 - 12x + 10​⇒ 30 - 12x

[Optional] Factor the expression by putting the expression in parentheses.

⇒ 30 - 12x⇒ (30 - 12x)

Since 6 is divisible to all the terms in the expression, we can divide 6 to all the terms in the expression and take "6" outside the parentheses.

⇒ 6(30/6 - 12x/6)⇒ 6(5 - 2x)

Therefore, the simplified expression is 30 - 12x or 6(5 - 2x).

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