Answer:
A
Step-by-step explanation:
8/13 = 8 divided by 13
because it is thedivided by the denominator
[tex]\left \{ {{y= numerator} \atop {x=denominator}} \right.[/tex]
The weatherman predicts a 20% chance of rain on Thursday. If it rains, there is a 10% chance that your roof will leak. (If it doesn't rain, of course, your roof is safe.) What is the chance that you will have a leaky roof on Thursday
Answer:
2%
Step-by-step explanation:
Probability of rain, P(R) = 0.2
Probability of leak Given that it rains, P(L|R) = 0.1
Probability of leak Given that it does not rain, P(L|R') = 0
According to Baye's Rule:
P(L) = [P(L|R) * P(R)] + [P(L|R') * P(R')]
P(R') = 1 - P(R) = 1 - 0.2 = 0.8
P(L) = [0.1 * 0.2] + [0 * 0.8]
P(L) = 0.02 + 0
P(L) = 0.02
Hence, probability of a roof leak on Thursday is 0.02 = (0.02 * 100%) = 2%
Work out the value of 5x + 9y when x = 7 and y = -2
Answer:
17
Step-by-step explanation:
5x+9y
Put in the numbers and then you get:
(5*7)+(9*-2)
Then solve it.
35-18
Subtract to get:
17
Hope this helped! :)
x + 3y – 2z = 3
-x – 2y + z = -2
2x – 7y + z = 1
Use Gaussian Elimination to solve.
Answer:
(1,0,-1
Step-by-step explanation:
Brainiest plz ?
Determine whether each piece of given information alone is sufficient to prove quadrilateral ABCD is parallelogram. Justify your answer. Yes/No? Reason... opposite side congruent, opposite angles congruent, opposite sides parallel, consecutive angles are supplementary, diagonals bisect each other, one pair of parallel and congruent sides, not enough information? (look at the image)
Step-by-step explanation:
yes it is a parallelogram because opposite sides parallel.
A newsstand seller sold a total of 68 magazines and newspapers, which brought in a total of
$199 on a certain day. Suppose newspapers are sold at $2 per copy and magazines are sold at $5 per copy. How many magazines were sold on that day
Answer:
21
Step-by-step explanation:
Using inequality to solve this question, we say
Let the total number of newspapers sold be x
Let the total number of magazines sold by y
x + y = 68
Suppose 1x = $2 and 1y = $5, then
2x + 5y = $199
Solving both as a simultaneous equation, we get that
2(68 - y) + 5y = $199
136 - 2y + 5y = $199
136 + 3y = $199
3y = 199 - 136
3y = 63
y = 63/3
y = 21
Then solving for x, we have
x + 21 = 68
x = 68 - 21
x = 47
Therefore, a total of 21 magazines were sold that day
Determine whether the underlined numerical value is a parameter or a statistic. Explain your reasoning. A survey of 32 out of 50 in a basketball game showed 20.5% enjoyed the game.
Answer: statistic.
Step-by-step explanation:
A parameter is a measure of characteristic in a population.
A statistic is a measure of characteristic in a sample.
Given: A survey of 32 out of 50 in a basketball game showed 20.5% enjoyed the game.
Since group of 32 games out of 50 is representing a sample here.
So, 20.5% is the measure of sample, i.e. it is a statistic.
In ΔEFG and ΔYXZ, m∠F ≅ m∠X and m∠E ≅ m∠Y. If m∠E = 62° and m∠X = 80°, what is the measure of ∠Z?
Triangles EFG and YXZ, in which triangle YXZ is larger than EFG.
{Please look at the comments for the answer}
A) 38°
B) 62°
C) 80°
D) 142°
Answer: A) 38°
Step-by-step explanation:
Given: In ΔEFG and ΔYXZ, m∠F ≅ m∠X and m∠E ≅ m∠Y. If m∠E = 62° and m∠X = 80°.
So, m∠F = m∠X = 80°
m∠Y = m∠E = 62°
By angle sum property , the sum of all angles in a triangle is 180 degrees.
In ΔXYZ ,
∠ X + ∠Y + ∠Z = 180°
⇒ 80°+ 62°+ ∠Z = 180°
⇒ 142°+∠Z = 180°
⇒ ∠Z = 180°-142°
⇒ ∠Z = 38°
Hence, the correct option is A) 38°.
Answer:
the answer is A, 38 degrees
Step-by-step explanation:
What is x^5/7 written as a radical expression?
Answer:
Step-by-step explanation:
If
n
is a positive integer that is greater than
x
and
a
is a real number or a factor, then
a
x
n
=
n
√
a
x
.
a
x
n
=
n
√
a
x
Use the rule to convert
x
5
7
to a radical, where
a
=
,
x
=
, and
n
=
.
7
√
x
5
The radical expression of [tex]x^(5/7)[/tex] is [tex]\sqrt[7]{x^5}[/tex].
What is radical expression?A radical expression is "an expression that contains square root and a radicand contains number or expression inside a radical or square root".
According to the question,
In order to write [tex]x^(5/7)[/tex] as radical expression.
Formula for radical expression [tex]a^x/n[/tex] = [tex]\sqrt[n]{a^x}[/tex]
From given 'a' = x; 'x'=5; 'n'=7 using above formula we can written radical expression as [tex]\sqrt[7]{x^5}[/tex].
Hence, the radical expression of [tex]x^(5/7)[/tex] is [tex]\sqrt[7]{x^5}[/tex].
Learn more about radical expression here
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Can somebody help me fix the parallelism in these sentences:
I went walking, hiking, and I went swimming.
Her happiness was equal to his being clever.
I can fix the first one but I can't figure out the second one.
Answer: ↓↓
Step-by-step explanation:
Second one:
Her happiness was equal to his cleverness.
Hope it helped!
List all pairs of Vertical angles
Answer:
1and4, 2and3, 5and8, 7and6
Step-by-step explanation:
cuanto es 50 gramos en kilos por fa
Answer:
0.05
Step-by-step explanation:
Which rule about the sign of the quotient of positive and negative decimals is correct?
Vx
positive-positive = negative
O negative negative = positive
O positive-negative = positive
O negative positive = positive
Answer:
2
Step-by-step explanation:
Pls help me I’m failing asap
Answer:
0.50
Step-by-step explanation:
Answer:
$0.50
Step-by-step explanation:
100-90.50=0.50
Pls help me I’m failing math
Answer:
Step-by-step explanation:
The first change, the price goes from $4.09 to $3.59.
Beginning price: $4.09
The price decreased to: $3.59
Amount of decrease: $4.09 - $3.59 = $0.50
Percent of decrease: 0.5/4.09 * 100% = 12.2%
The second change, the price goes from $3.59 to $4.09.
Beginning price: $3.59
The price increased to: $4.09
Amount of increase: $4.09 - $3.59 = $0.50
Percent of increase: 0.5/3.59 * 100% = 13.9%
The first change was a decrease of 12.2%, and he second change was an increase of 13.9%. The two percent changes are not the same, and the second percent change is greater.
Answer:
"i dont care"
Step-by-step explanation:
dont scam
Which best describes the triangle?
Help I haven’t finish my homeworks and it’s 1:00 Pm
Answer:
it's acute and isosceles triangle.
Answer:
Concept: Identification of Figures
Start by noticing the angles, two equal on the bottom and one different at the top Also two equal sidesHence this figure is acute & isosclesGive brainlistUL
A dodecahedron has twelve sides numbered 1 through 12. Find the probability and
describe the likelihood f each event. Using the terms such as; likely, unlikely, equally
likely to happen or not happen.
Probability
Likelihood of each
event
a. Rolling a number less than 9
b. Rolling a multiple of 3
c. Rolling a number greater than 6
Answer:
a.) likely
b.) unlikely
c.) equally
Step-by-step explanation:
A.) ~~~ there are more numbers less than 9 than numbers greater than or equal to 9, so rolling this is likely
B.) ~~~ There are only 4 multiples of 3, so rolling this is unlikely.
C.) ~~~ There are an equal amount of numbers greater than 6 and less than or equal to 6, so the chances of this are 50/50, or equal
Given that
R
=
6
x
+
5
y
Find
y
when
x
=
8
and
R
=
20
Give your answer as an improper fraction in its simplest form.
Answer:
y= - 28/5
Step-by-step explanation:
Write the number positioned at point D.
Answer:
-4 3/4
Step by step explanation:
point D is 4 numbers to the left of the 0, meaning it is a negative 4. Then there is also a 3/4 of space between the 4 and point D, meaning point D is -4 3/4 away from 0.
Answer:
-4.75 for position D
Step-by-step explanation:
Find the slope of the line.
Enter the slope as a whole number, or as a fraction in simplest form. (Remember that a
negative sign is not written in the denominator of a fraction in simplest form.) If the slope is
undefined, write "undefined".
PLSSS HELPPP!!!!
Answer:
-3/5
Step-by-step explanation:
It looks like the line passes through (-6,4) and and (-1,1)
Slope m = (y2-y1)/(x2-x1)
m = (1 - 4)/(-1 - -6) = (1 - 4)/(-1 + 6) = -3/5
For every $10 Helen takes home, her employer withholds $3 for taxes and social security. Helen's gross pay each month is $1950. How much does she take home each month?
$1,671.43 I believe is the answer
HELPPPPP I WILL GIVEBRAINLIEST TO FASTEST. find the number if 12/13of it is 24.
Answer:
26
Step-by-step explanation:
You would do 24 × 13/12
This would be 26
Answer:
26
Step-by-step explanation:
First, we convert the question into an equation.
12/13x = 24.
We multiply both sides by 13 to get rid of the fraction that is on the left side of the equation.
12x=312.
Dividing both sides by 12, we get:
x = 26
Help me out with number 10.
Question: The two angles below form a linear pair and are therefore supplementary solve for X. (Geometry)
Answer:
x = 29
Step-by-step explanation:
(2x - 13)° + (7x - 68)° = 180° (linear pair angles add up to 180°)
Solve for x
2x - 13 + 7x - 68 = 180
Add like terms
9x - 81 = 180
Add 81 to both sides
9x = 180 + 81
9x = 261
Divide both sides by 9
x = 261/9
x = 29
In the U.S. presidential election of 1864, Abraham Lincoln received 2,218,388 of the 4,031,887 votes. About what fraction of the votes did Lincoln receive? Put in simplest form.
Answer:
2,251,926
Step-by-step explanation:
Pat is a 23 year old man. He earns a taxable income of $70,000.00, and the effective
tax rate on his income is 19%. He contributes 10% of his earnings into a Roth IRA
account with 3% return what is his estimated Roth IRA balance when he is 50 years
old?
Answer:
$12,594.71
Step-by-step explanation:
i did the test
If g(×)=sin(6x)+3 determine g(15°)
Answer:
g=4/15 or 0.2667
Step-by-step explanation:
g(x)=sin(6x)+3
g(15)=sin(6times 15)+3
15g=sin(90)+3
15g=1+3=4
g=4/15 or 0.2667
The required value of trigonometric function g(×)=sin(6x)+3 at x =15 is 4.
A function g(×)=sin(6x)+3 is given, value of g(15°) is to determine.
These are the equation that contains trigonometric operators such as sin In algebraic operation.
Here,
The function given is g(×)=sin(6x)+3.
to find g(15°) put x = 15 in the trignometric function in order to get the solution.
⇒ g(×)=sin(6x)+3
⇒ x = 15
⇒ g(15) = sin(6 x15) +3
⇒ g(15) = sin°90 + 3
⇒ g(15) = 1 + 3 (sin°90 = 1)
Thus, the required value of trigonometric function g(×)=sin(6x)+3 at x =15 is 4.
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Consider a sequence given by the formula f(n)=3n-1 starting with n=1. Generate the first 5 terms of the sequence
Answer:
The first 5 terms are 2, 5, 8, 11, 14.
Step-by-step explanation:
You use the formula to find out each term.f(n)=3n-1 starting with n=1. If n=1 that is the 1st term, if n=2 that is the 2nd term, and so on. n means what number term it is. Now to find each term: n=1: f(1)= 3(1)-1= 3-1= 2 The 1st term is 2n=2: f(2)= 3(2)-1= 6-1= 5 The 2nd term is 5n=3: f(3)= 3(3)-1= 9-1=8 The 3rd term is 8n=4: f(4)= 4(3)-1= 12-1= 11 The 4th term is 11n=5: f(5)= 5(3)-1= 15-1= 14 The 5th term is 14So the first 5 terms are 2,5,8,11,14
John has 3 apples ray steals 2 how many apples does John have?
Answer:
John now has one apple since ray stole the other two (3-2=1)
1000^4=10^X FIND VALUE OF X
Step-by-step explanation:
[tex]( {1000)}^{4} = {10}^{x} \\ ({10}^{3})^{4} = {10}^{x} \\ {10}^{12} = {10}^{x} \\ therefore \: x = 12 \\ \\ hope \: it \: will \: help[/tex]
what is the value of 2
Figure ABCD is a parallelogram What is the permitter or a ABCD ?
Answer: The answer is c, 44 units
Step-by-step explanation: Im sure