Answer:
6x^2 + 12x
Step-by-step explanation:
Brianna has a sheet of paper that is 4 feet long. She cuts the length of paper into halves and then cuts the length of each of these pieces into fourths. How many pieces does she have? How many inches long is each piece?
Answer:
she has 8 and the length 6 inches
Step-by-step explanation:
have a great day
Find the value of x, giving reasons for your answer:
Answer:
x = 55
Step-by-step explanation:
[tex](x + 40) \degree = (150 - x) \degree \\ (vertical \: \angle s) \\ \\ x + 40 = 150 - x \\ \\ x + x = 150 - 40 \\ \\ 2x = 110 \\ \\ x = \frac{110}{2} \\ \\ x = 55[/tex]
Answer:
x = 55°
Step-by-step explanation:
When any 2 lines intersect each other at one point , the vertically opposite angles are always equal. Hence ,
[tex]150 - x = x + 40[/tex]
[tex] = > x + x = 150 - 40[/tex]
[tex] = > 2x = 110[/tex]
[tex] = > x = \frac{110}{2} = 55[/tex]
Please answer any one them thank you so much
Answer:
is this alegebra? if so im failing in it.
Step-by-step explanation:
because im bad at alegebra
Answer:
left to right:
4a + 12
6a - 36
12c+6
10d + 30
40e + 64
48f - 72
14g - 20
66h - 36
22 + 14i
90j - 27
27k - 30
65m - 143
Step-by-step explanation:
I really hope this helped
what is 5 divided by 3/4 in simplest form
2 < X < 8
x is an integer.
Write down the possible values of x.
answer: 3, 4, 5, 6, 7
Which expression is equivalent to –8 a (-4+2) b (-4-3) c (-4-2) d
(-4+1)
Answer:
(-4-4)...............
(-16+8)..............
Find the ratio of the volume of the triangular prism
to the volume of the cuboid.
Give your answer in its simplest form.
Answer:
triangular prism
0.5 X 5 X 4 X 9 = 90 cubed cm
cuboid
6 X 5 X 20 = 600 cubed cm
triangular prism : cuboid
90:600
now simplify
both are divisible by 30
3:20
this cannot be simplified further
answer = 3:20
The total cost to go horseback riding is x dollars per hour plus a 2 fee for renting a helmet which expressions represent the cost in dollars
Answer:
I believe its x. I'm not fully understanding the question as you have it worded odd. Maybe help me understand so that I can further help you?
Step-by-step explanation:
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Help qwq I still don’t understand THIS
Answer:
Start at 5 and move 8 units to the left
Step-by-step explanation:
5 -8
Start at 5 on the number line
We are subtracting 8
Move 8 units to the left
You will end of at -3
Please help me to solve this one, my teacher told me to retake it. At first, I choose B, but then I realize that D also match.
Please, emergency
Answer:
D
Step-by-step explanation:
because if it was reflected across the x axis the angle letters wouldn’t match up
What percent of the students ride on the bus ?
Determine whether the data collected represents a population or a sample. The income distribution of the top 10% of wage earners in the United States is determined using data from the Internal Revenue Service.
Answer:
Sample
Step-by-step explanation:
A sample simply means a randomly selected number of observations culled from a particular population of interest, so they the data points can be a smaller representation of the population observation. In the scenario above, a small fraction of about 10% of the top earners is to be sampled from a larger population of all earners in the United States.
Therefore. The entire United States earners refers to the population distribution of workers while a representative data such as the one taken above is called a sample.
How many solutions will the following quadratic equation have?
0= 3x^2+x-2
Answer:
Its really very simple as it is a quadratic equation so it will have 2 solutions
Answer:
2/3, -1 so two solutions
Step-by-step explanation:
Write as a product: 25a2−0.01b10
Answer:
We conclude that:
[tex]25a^2-0.01b^{10}=\left(5a+0.1b^5\right)\left(5a-0.1b^5\right)[/tex]
Step-by-step explanation:
Given the expression
[tex]25a^2-0.01b^{10}[/tex]
Rewrite [tex]25a^2-0.01b^{10}[/tex] as [tex]\left(5a\right)^2-\left(\sqrt{0.01}b^5\right)^2[/tex]
so
[tex]25a^2-0.01b^{10}=\left(5a\right)^2-\left(\sqrt{0.01}b^5\right)^2[/tex]
Apply difference of two squares formulas:
[tex]x^2-y^2=\left(x+y\right)\left(x-y\right)[/tex]
so
[tex]\left(5a\right)^2-\left(\sqrt{0.01}b^5\right)^2=\left(5a+\sqrt{0.01}b^5\right)\left(5a-\sqrt{0.01}b^5\right)[/tex]
[tex]=\left(5a+0.1b^5\right)\left(5a-0.1b^5\right)[/tex] ∵ [tex]\sqrt{0.01}=0.1[/tex],
Therefore, we conclude that:
[tex]25a^2-0.01b^{10}=\left(5a+0.1b^5\right)\left(5a-0.1b^5\right)[/tex]
Which angle is a vertical angle with O O O O
Answer:
angle AFB
Step-by-step explanation:
please make me billent
The triangles shown are similar. Find x and the measure of side DE.
Help pls. ?
the hamster walked x feet. the guinea pig walked 1/4 more than that.
Answer:
2x+[tex]\frac{1}{4}[/tex]
Step-by-step explanation:
hamster=x
guinea pig = x+ 1/4
x+x=2x
then just add the 1/4
Find the value of x in the figure below.
Answer:
x=70°
Step-by-step explanation:
construction cut the x into two parts and naming a line a b
now first line of the fig and constructed line are parellel and last and constructed parallel.
angle 25°= half of x
angle 45°=2nd half of x
now add both half of x
25°+45°=70°
Answer:
X=70
Step-by-step explanation:
Hope this helps!
Write 4:1 in the form 1:n
Answer:
it wil be equal to :
1 : 0.25 or 1 : 1/4
Answer:
1:0.25
Step-by-step explanation:
To get the left from 4 to 1 we have divided by 4. This means we also have to divide the right side by 4. 1/4 = 0.25
diameter is 8.8 what is the circumference
Answer: 27.64601535159
Step-by-step explanation:
circumferenceC=πd
C=π×8.8
C=8.8π
C=27.64601535159
2 1/2 divided by 2 1/3
Answer:
Exact Form: 15/2
Decimal Form: 7.5
Mixed Number Form: 7 1/2
Step-by-step explanation:
Answer:
1[tex]\frac{1}{14}[/tex]
Step-by-step explanation:
Turn the mixed fractions into improper fractions:
2 1/2 = 5/2
2 1/3 = 7/3
5/2 ÷ 7/3
Replace the division sign with a multiplication sign by reciprocating 7/3.
5/2 × 3/7
Multiply the numerators and the denominators.
= 15/14
Simplify 15/14 by turning it into a mixed fraction.
1[tex]\frac{1}{14}[/tex]
I hope this helps!
The Kansas predicted that in 2018 the population in Centerville would be 17,466 and actuality it was 16,400 what is the percent error
Answer:
6.5%
Step-by-step explanation:
Percentage error formula =
|Estimated value - Real value|/Real value × 100
From the above question,
Estimated value = 17,466
Real value = 16,400
Percentage error = |17,466 - 16,400|/16,400 × 100
= 1066/16,400 × 100
= 0.065 × 100
= 6.5%
Therefore, the percent error = 6.5%
Answer: 6.5%
Step-by-step explanation: 17,466 - 16,400 = 1,066 (the difference)
16,400 / 16,400 = 1 • 100 = 100
1,066 / 16,400 = 0.065 • 100 = 6.5
a circular railroad-crossing sigh has a radius of 15 inches. which measurement is closest to the area of the sigh in square inches?
Answer:
30
Step-by-step explanation:
simplyfy 5x + 7x - 3 + 10x - 5x - 20
Answer:
17x - 23
Step-by-step explanation:
5x + 7x - 3 + 10x - 5x -20
5x + 7x + 10x + (-5x) + (-3) + (- 20) **The same, but in a different order**
5x + 7x + 10x + (-5x) = 17x **Combine Like-Terms**
(-3) + (- 20) = -23 **Combine Like-Terms**
Hope I was able to help. Good Luck!
What is the interest you will pay if you borrowed $1,250 at 4% interest for 4 years?
Answer:
$200
Step-by-step explanation:
The formula for calculating interest = principal x interest rate x time
principal is the amount borrowed = $1250
interest rate = 4%
Time = amount of years the money is borrowed for
$1250 x 0.04 x 4 = $200
Answer:
$200
Step-by-step explanation:
A snowboarder is traveling at 6 miles every 9 minutes. At this rate, the
snowboarder will travel ___ miles in 12 minutes.
Answer:
8 miles
Step-by-step explanation:
6/9 = x/12
6/9*12 = 8
8 miles
Is -8 = 8
A. One solution
B. Two solutions
C. Infinitely many solutions
D. No solution
The histogram shows how many pairs of sneakers are on sale at the local shoe store. How
many pairs of sneakers smaller than size 8 are on sale?
Sneaker Sale
Number of Palrs
20
18
16
14
12
10
8
6
4
2
0
2-4
5-7
8-10
11-13
Sneaker Size
14
22
37
49
Answer: 22
Step-by-step explanation:
A survey found that 31 of 60 randomly selected women and 38 of 73 randomly selected men follow a regular exercise program. Find a 95% confidence interval for the difference between the proportions of women and men who follow a regular exercise program.
Answer:
95% confidence interval for the difference between the proportions of women and men who follow a regular exercise program
(-0.1740 , 0.1672)
Step-by-step explanation:
Step(i):-
Given A survey found that 31 of 60 randomly selected women
First sample proportion
[tex]p_{1} = \frac{x_{1} }{n_{1} } = \frac{31}{60} = 0.5166[/tex]
Second sample proportion
[tex]p_{2} = \frac{x_{2} }{n_{2} } = \frac{38}{73} = 0.520[/tex]
Level of significance = 0.05
Z₀.₀₅ = 1.96
Step(ii):-
95% confidence interval for the difference between the proportions of women and men who follow a regular exercise program
[tex]((p_{1} ^{-}-p^{-} _{2} - Z_{0.05} S.E(p_{1} ^{-} - p^{-} _{2} ), (p_{1} ^{-}-p^{-} _{2} +Z_{0.05} S.E(p_{1} ^{-} - p^{-} _{2} ))[/tex]
where
[tex]Se(p_{1} - p_{2} ) = \sqrt{\frac{p_{1} (1-p_{1} )}{n_{1} }+\frac{p_{2}(1-p_{2} }{n_{2} } }[/tex]
[tex]Se(p_{1} - p_{2} ) = \sqrt{\frac{0.5166 (1-0.5166 )}{60 }+\frac{0.520(1-0.520 }{73 } } = 0.08706[/tex]
95% confidence interval for the difference between the proportions of women and men who follow a regular exercise program
[tex]((p_{1} ^{-}-p^{-} _{2} - Z_{0.05} S.E(p_{1} ^{-} - p^{-} _{2} ), (p_{1} ^{-}-p^{-} _{2} +Z_{0.05} S.E(p_{1} ^{-} - p^{-} _{2} ))[/tex]
((0.5166-0.520-1.96(0.08706) , 0.5166-0.520+1.96(0.08706))
(-0.1740 , 0.1672)
Final answer:-
95% confidence interval for the difference between the proportions of women and men who follow a regular exercise program
(-0.1740 , 0.1672)
What i 9X3? what is the correct answer
The simplification of the given expression 9 x 3 is equal to 27.
What is the fundamental principle of multiplication?Multiplication is the mathematical operation that is to determine the product of two or more numbers. If an event can occur in m different ways and if following it, that a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.
We don not write symbols like of currency generally, and understand it from context. Also, sign of multiplication is often hidden if there are non numeric symbols and numbers being multiplied are written together.
We are given the number as 9 x 3
WE can see that the number is multiple of 3
Therefore by using simplification we get;9 x 3 = 27
Hence, the answer is 27.
Learn more about multiplications;
https://brainly.com/question/14059007#SPJ2