What sets of numbers are included in the real numbers
Answer:
−3, −2, −1, 0, 1, 2, 3
Solve the rational equation 4 divided by x equals quantity 3 times x plus 2 end quantity divided by x squared, and check for extraneous solutions.
Answer:
x = 2
Step-by-step explanation:
Step 1: Write equation
[tex]\frac{4}{x}=\frac{3x+2}{x^2}[/tex]
Step 2: Solve for x
Cross multiply: [tex]4x^2=x(3x+2)[/tex]Distribute x: [tex]4x^2=3x^2+2x[/tex]Subtract 3x² on both sides: [tex]x^2=2x[/tex]Subtract 2x on both sides: [tex]x^2-2x=0[/tex]Factor: [tex]x(x-2)=0[/tex]Solve: [tex]x = 0, 2[/tex]Step 3: Check
Plug in x to verify it's a solution.
Substitute: [tex]\frac{4}{0}=\frac{3(0)+2}{0^2}[/tex]Evaluate: undef (cannot divide by 0)Substitute: [tex]\frac{4}{2}=\frac{3(2)+2}{2^2}[/tex]Evaluate: [tex]2=\frac{6+2}{4}[/tex]Evaluate: [tex]2=\frac{8}{4}[/tex]Evaluate: [tex]2=2[/tex]Explain how you could use either multiplication or division to solve the same equation.
Answer:
Multiply By Decimal
Step-by-step explanation:
If you multiply a number by a decimal you get the same outcome that you would if you would have divided it
Which fraction is equivalent to 0.018?
55
2.
111
9
500
17
900
Please help
Answer:
0.018=9/500 as a fraction
Step-by-step explanation:
(x7) - 3 = 4
Find what X = ?
Answer:
1
Step-by-step explanation:
add 3 to 4
(1x7)= 7
Use the multiplier method to increase £72 by 12%
You must show your working.
Answer:
£80.62
Step-by-step explanation:
100+12%=112%
112/100= 1.12
1.12*£72 =£80.62
ANGLES IN TRIANGLES WORKSHEET
Answer:
x = 26
Step-by-step explanation:
90 + 52 + unknown angle = 180
142 + unknown angle = 180
unknown angle = 38
unknown angle + 116 + x = 180
38 + 116 + x = 180
154 + x = 180
x = 26
Step-by-step explanation:
Click here
Thanks guys :)
Mwhehe
How do i graph y=4x + 5
Answer:
it would look like the picture below
Step-by-step explanation:
Please help solve one of them
Answer: im not sure
Step-by-step explanation:
Twenty point question!
Answer:
yes
no
Step-by-step explanation:
i hope im correct please give me brainliest and some feedback if im correct or not :)
F(x)=2x+2 solve the inverse when x=4
Which relation is not a function?
{(1,5), (2,6), (3,6), (4,7)}
{(4,7, (2,1), (-3,6), (3,4)}
{(-1,6), (1,3), (2,5), (1,7)}
{(-1,2), (0,5), (5,0), (2,-1)}
Answer: C
Step-by-step explanation:
The X value repeats itself
Step-by-step explanation: In order for a function not to be a relation,
each x-coordinate must correspond to more than one y-coordinate.
Notice that in third relation, the 1 pairs with a 3
in one case and it pairs with a 7 in the other case.
Since each x-coordinate pairs with more than one y-coordinate,
this relation is not a function but the other ones are functions.
Simon began a weight-loss program. He loses weight every two weeks. His weight, in pounds, t months after he began the weight-loss program, is shown by the following expression.
210(0.94)2t
Which statement below best describes the base, 0.94?
A. Simon's weight before he beganm the weight-loss program
B.the rate which Simon loses weight
C. the monthly decrease in Simon's weight
D. the numbers of times Simon has lost weight since he began the weight-loss program
need help again please i’m sorry...
Answer:
The slope is -1/5
Step-by-step explanation:
y = mx +b is in slope intercept form
m is the slope and b is the y intercept
y = -1/5x -1
The slope is -1/5 and the y intercept is -1
Answer:
Step-by-step explanation:
The slope is -1/5
The dimensions of a rectangular garden are: Length (2x + 3) and the width is (3x-5) Find the value of x if the perimeter is equal to 26.
length=(2x-3)
width=(3x-5)
perimeter=26
perimeter= (2 times length) + (2 times width)
26= 2(2x-2) + 2(3x-5)
26 = 4x - 6 + 6x - 10
26 = 10x -16
26 + 16 = 10x -16 + 16
10 = 10x
10 ÷ 10 = 10x ÷ 10
1 = x
Suppose set A contains 336 elements and the total number elements in either set A or set B is 642. If the sets A and B have 78 elements in common, how many elements are contained in set B?
Answer:
math
Step-by-step explanation:
You have solved a radical equation. What should you do to check whether your proposed solution is correct?
You should check your proposed solution in any of the equations you found while looking for the solution.
You don't need to check whether your proposed solution is correct. You know you followed the proper method, so it should be fine.
You should check the proposed solution in the original equation.
You should check the proposed solution in the back of the book because it is always right.
Answer:You should check the proposed solution in the original equation.
Step-by-step explanation:
The radical is the symbol that is used to represent the root in the expression n√x. The correct option is C.
What is a radical?The radical is the symbol that is used to represent the root in the expression n√x.
You have solved a radical equation. Now, to check whether your proposed solution is correct You should check the proposed solution in the original equation.
Hence, the correct option is C.
Learn more about the Radical:
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Help whats the answer to this Help plz
Answer:
3/5
Step-by-step explanation:
when you multiply powers by a zero it = 0 so you would just end up with 3/5
Solve for x
12 = 10
18 = x
Step-by-step explanation:
12=10 I think you have to add 10+2and then you get 12.
18=×you will have to multiply 18 by a number probably by 10 or 12
What is the solution of z + 5 = 6
Answer:
1
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
z + 5 = 6
collecting Like Terms
(Alphabet On the Left hand , Numbers on the Right hand)
z = 6 - 5
while A Poaitive number Crosses Equality Sign it Chnages Sign
z = 1
1999 total revenue of a company from music sales and Licensing was 14.2 billion dollars. It was forecasted that this number would continue to drop until it reaches 5.3 million in 2014. Find the percent decrease in music revenue.
Answer:
62.67%
Step-by-step explanation:
Total revenue of a company from music sales is 14.2 billion dollars in 1999.
It reaches 5.3 million in 2014.
We need to find the percent decrease in music revenue. It can be given by :
[tex]\%=\dfrac{|\text{original value-decrement value}|}{\text{original value}}\times 100\\\\\%=\dfrac{|14.2-5.3|}{14.2}\times 100\\\\\%=62.67[/tex]
So, the percent decrease in music revenue is 62.67%.
Which of the following functions has a graph that passes through the origin? Select all that apply.
A. power; y equals x superscript n baseline
B. root; y equals Root Index n Start Root x End Root
C. reciprocal; y equals Start Fraction 1 over x End Fraction
D. exponential; y equals b superscript x baseline
Answer: a and b
power and root
Which Property of Addition does 9 + 0 = 9 illustrate ? A. Distributive Property B. Identity Property C. Zero Property D. Commutative Property
Answer:
B. Identity Property
Solve for N.
5
6
15
N
Quick I need help pls
Answer:
361
Step-by-step explanation:
Why is 18:3 and 6:1 equivalent ratios
Answer:
Because if you multiply 6 three times, it comes out to be 18.
So basically, 6 x 3 = 18
To be sure, 18 ÷ 6 = 3
So, 18:3 = 6:1
18:3 and 6:1 are equivalent ratios because those are equivalent fractions.
What is the ratio?Suppose that we've got two quantities with measurements as 'a' and 'b'
Then, their ratio(ratio of a to b) a:b
or [tex]\dfrac{a}{b}[/tex]
We usually cancel out the common factors from both the numerator and the denominator of the fraction we obtained. Numerator is the upper quantity in the fraction and denominator is the lower quantity in the fraction).
Suppose that we've got a = 6, and b= 4, then:
[tex]a:b = 6:2 = \dfrac{6}{2} = \dfrac{2 \times 3}{2 \times 1} = \dfrac{3}{1} = 3\\or\\a : b = 3 : 1 = 3/1 = 3[/tex]
Remember that the ratio should always be taken of quantities with same unit of measurement. Also, ratio is a unitless(no units) quantity.
Explanation;
If we get the factors of the first ratio, we will see that;
18: 6 and 3, and 18 and 1
3: 3 and 1
Hence, if we display the ratios in fractions;
18/3 = 6/1
And then we write them in factors, we will get;
3x6/3x1 = 6/1
Simplifying;
3/3 x 6/1 = 2/1 x 3/1 = 1/6
Therefore, 18:3 and 6:1 are equivalent ratios.
Learn more about ratio here:
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fiona has a box of chocolates the box contains 60 chocolates she eats 1/5 of the chocolates she gives 32 chocolates away what is the fraction of the chocolates does she have left answer in simplest form
Answer:
4/15
Step-by-step explanation:
Please help thank you so much I mark as brainliest
The coordinates of point R are (-8, 7)
Which of the following fraction is an equivalent fraction for 2/7?
1. 8/11
2. 10/28
3. 6/21
4. 4/7
Answer:
6/21
Step-by-step explanation:
6/21 can be divided by 3 to equal 2/7
Answer:
the answer is c 6/21
Step-by-step explanation:
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What is the product?
8
-1
-4.
-5
9
-32
4
O
20
-36
32
-4
-20
AnswerC
Step-by-step explanation: