Answer:
x= -8
Step-by-step explanation:
2-4x=34
-4x=32
x=-8
1. A carpenter is laying carpet on a floor mesuring 34 ft by 25.6 ft into 6 identical pieces.
a) Find the area of the carpet?
1) What will be the cost of the entire project if the carpet costs 4.75 per square foot and labor cost 225 dollars?
PLEASE HELP I NEED IT SOON!
DO ALL THE QUESTIONS
Answer:
1a) 25.6 x 34 = 870.4
= 265.2m (Estimated)
I don't know for "1)" since I don't understand square foot and labor, I'm not like an American or anything.
What is the volume of the following rectangular prism?
Answer:
Step-by-step explanation:
The volume is (9/5)(2/3) units^3, or 6/5 units^3
Help??? Pleaseeeeee???
Answer:
its B
Step-by-step explanation: trust me but also you can graph it and it will show the points
At Marcy's Department Store, all dresses are
40% off. If the regular price of a dress is $85,
what is the sale price?
Fill in the blank with +,-,×,÷ to make a true statement on the top and fill in each blank with the given numbers to make a true statement.( Only use the numbers given once.)
Answer:
6+9-2×4÷8=14
Step-by-step explanation:
or, 15-8÷8=14
or,15-1( since divide goes first then subtraction)=14
or 14=14
#true
PLEASE HELP WILL MARK BRAINLIST !!!!!!!!
Which of the following is an arithmetic sequence?
A . 1, 3, 5, 7, 9
B . 3, 6, 12, 24, 48
C . 1, 3, 6, 10, 15
D . 2, 4, 7, 11, 16, 22
Answer:
in my knowledge
Option A..
Step-by-step explanation:
This is an arithmetic sequence since there is a common difference between each term. ... This is the formula of an arithmetic sequence.
Solve the problem that involves computing expected values in a game of chance.
A numbers game run by many state governments allows a player to select a three-digit number from 000 to 999. There are 1000 such numbers. A bet of the $1 is placed on a number. If the number is selected the player wins $100 if any other number is selected the player wins nothing find the expected value for the game
A) -$0.10
B)$0.90
C)-$0.90
D)$0.10
Forty-three percent of US teens have heard of a fax machine. You randomly select 12 US teens. Find the probability that the number of these selected teens that have heard of a fax machine is exactly six (first answer listed below). Find the probability that the number is more than 8 (second answer listed below).
A. 0.784, 0.974
B. 0.200, 0.974
C. 0.784, 0.026
D. 0.200, 0.026
Answer:
D. 0.200, 0.026
Step-by-step explanation:
For each teen, there are only two possible outcomes. Either they have a fax machine, or they do not. The probability of a teen having a fax machine is independent of other teens. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
And p is the probability of X happening.
Forty-three percent of US teens have heard of a fax machine.
This means that [tex]p = 0.43[/tex]
You randomly select 12 US teens.
This means that [tex]n = 12[/tex]
Find the probability that the number of these selected teens that have heard of a fax machine is exactly six (first answer listed below).
This is [tex]P(X = 6)[/tex]. So
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]P(X = 6) = C_{12,6}.(0.43)^{6}.(0.57)^{6} = 0.200[/tex]
So the answer is either option B or D.
Find the probability that the number is more than 8
[tex]P(X > 8) = P(X = 9) + P(X = 10) + P(X = 11) + P(X = 12)[/tex]
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]P(X = 9) = C_{12,9}.(0.43)^{9}.(0.57)^{3} = 0.021[/tex]
[tex]P(X = 10) = C_{12,10}.(0.43)^{10}.(0.57)^{2} = 0.005[/tex]
[tex]P(X = 11) = C_{12,11}.(0.43)^{11}.(0.57)^{1} = 0[/tex]
[tex]P(X = 12) = C_{12,12}.(0.43)^{12}.(0.57)^{0} = 0[/tex]
[tex]P(X > 8) = P(X = 9) + P(X = 10) + P(X = 11) + P(X = 12) = 0.021 + 0.005 = 0.026[/tex]
So the correct answer is given by option D.
pleasaeeee someone help asap
Answer:
NP is the shortest
MN is the medium sized line
MP is the longest line
Step-by-step explanation: :\
Hope it helps ig
(u better thank my a**)
two side of a triangle have lengths 6 and 16 which inequalities describe the values that possible lengths for the third side
Answer:
[tex]22 > x > 10[/tex]
[tex]10 < x < 22[/tex]
Step-by-step explanation:
Given
[tex]Side\ 1 = 6[/tex]
[tex]Side\ 2 = 16[/tex]
Required
Determine the inequality that represents the third side
Represent the third side with x.
For the triangle to be true, two of the following condition must be true.
[tex]6 + 16 > x[/tex]
[tex]6 + x > 16[/tex]
[tex]16 + x > 6[/tex]
[tex]6 + 16 > x[/tex]
[tex]22>x[/tex] -- True
[tex]6 + x > 16[/tex]
[tex]x > 16 - 6[/tex]
[tex]x > 10[/tex] -- True
[tex]16 + x > 6[/tex]
[tex]x > 6 - 16[/tex]
[tex]x > -10[/tex] --- False; Because, x can't be negative.
So, we have:
[tex]22>x[/tex] and [tex]x > 10[/tex]
This can be combined to give:
[tex]22 > x > 10[/tex]
or
[tex]10 < x < 22[/tex]
What is the probability that a student writes chicken
Answer:
Chicken
Step-by-step explanation: 7829219882 / 278892828891271289289
depends on the situation like this one at times :)
Enter the values for the highlighted variables to
complete the steps to find the sum:
b =
+
d =
3x
3x
9
+
2x - 6 6 - 2x 2x - 6 a 2x - 6
3x b.
+
2x-6 2x - 6
3x-c
2x-6
dix-e)
f(x-3)
= 9
e =
f=
DONE
Answer:
a= -1
b=-9
c=9
d=3
e=3
f=2
g=1.5
Step-by-step explanation:
The values of variables in the equation are a= -1, b=-9, c=9, d=3, e=3, f=2, g=1.5
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given equation is 3x/2x-6 + 9/6-2x = 3x/2x-6 + 9/-1(2x-6)
We have to find the values of variables
3x/2x-6 + 9/6-2x = 3x/2x-6 + 9/-1(2x-6)
so a=-1
= 3x/2x-6 - 9/(2x-6)
b=-9
=3x-9/2x-6
c=9
=3(x-3)/2(x-3)
d=3, e=3 and f=2
=3/2
g=1.5
Hence, the values of variables in the equation are a= -1, b=-9, c=9, d=3, e=3, f=2, g=1.5
To learn more on Equation:
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May you please help me with this I tried and tried to answer and still stuck
Answer:
Point E
Step-by-step explanation:
PLSSS HELP WILL PUT BRAINLIEST
A box in the shape of a rectangular prisim measure 2 feet by x feet by 4 feet. Write a simplified expression for the volume (in cubic feet) of the box
Answer:
8x ft^3
Step-by-step explanation:
Step one:
given
dimension of the box
Length= 2ft
width = x ft
Height= 4 ft
Required;
the expression for the volume of the box
Step two:
We know that the volume is expressed generally as
V=L*W*H
V= 2*x*4
V= 8x ft^3
The expression for the volume is V= 8x ft^3
The length of a rectangle is 4 meters less than 2 times the width of the perimeter is 40 meters. Find the width.
Answer:
Step-by-step explanation:
"length is 4 meters less than 2 times the width"
L = 2W+4
"perimeter is 40 meters"
2L+2W = 40
L+W = 20
(2W+4) + W = 20
3W + 4 = 20
W = 16/3 meters
Which of the following fraction pairs is equivalent?
15/25 and 24/30
12/35 and 14/35
14/21 and 8/20
18/45 and 14/35
Answer:
18/45 and 14/35
Step-by-step explanation:
15/25 are not equivalent fractions
12/35 are also not equivalent
14/21 are not equivalent either
18/45 and 14/35 are the only equivalent fractions.
A triangle has side lengths of 7
kilometers, 24 kilometers, and 25
kilometers. Is it a right triangle? How do
you know?
Plss help
SHOW HOW YOU GOT THE ANSWER FOR BRAINLIEST.
Answer:
-4x+2
Step-by-step explanation:
-5x+2+x
STU In triangle STU the measure of angle T is and the measure of angle U is
anwers plzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Answer:
D. 13 1/2
Step-by-step explanation:
Answer: d
Step-by-step explanation:
Hailey is going to buy a new prom
dress for her senior prom. It is
regularly priced at $252. Today, the
dress is marked down 30%. What is
the discount amount?
Answer:
$76.60
Step-by-step explanation:
252-30%=176.40
252-175.40=76.60
Answer:
$176.4
Step-by-step explanation:
The new deducted price would be %176.4.
1. Multiply 252 by .30 to get the percentage deducted.
252*.30=75.6
2. Subtract the previous number from 252 to get the new price.
252-75.6=176.4
3. The new price of the dress is $176.4
Hope this helps :)
Factorise : 3a^3 + 648b^3.
Answer:
hope this hepls u.........
NEED FAST HURRY
A candy store sells caramels and milk chocolate by the pound the table below shows the total cost in dollars for a pound of each type of candy the store sells
Caramels: $9.28
Milk Chocolate: $12.80
How much more is the cost for 1 3/4 pounds of milk chocolate than the cost for 1 3/4 pounds of caramels?
Answer:
$6.16
Step-by-step explanation:
Answer:
Caramels=$16.24
Milk chocolate=$22.40
All together= $29.04
Step-by-step explanation:
pls look at picture and answer!!
Answer:
can you take a closer pic plz
Answer:
-2 2/7, -1 5/7, -1 2/7, -5/7, -1/7, 5/7, 2 5/7
Step-by-step explanation:
I believe this is correct and I hope it helps!
Solve the equation f/21=24
Answer:
f/21=24
f= 24*21
f= 504
Step-by-step explanation:
hope my answer is helpful to
plz mark me as brainlist and also follow me
Identify the value of (t): Becky is buying a house and will be financing it. She will borrow $155,000 at 4.5% for a quarter of a century
Answer:
$329,375
Step-by-step explanation:
first take 155000 x 4.5% = 6975
take 6975 × 25 years = 174,375.
t or the total cost is 155,000 + 174,375 = $329,375
Let s equal the number of shirts sold. Which equation represents the situation.
15s-100=350
15s=350
15(s-100)=350
s-100=350
Answer: 15s - 100= 350
Step-by-step explanation:
i did it and got it right
Equation represents the situation 15s-100=350
What is algebra?
Algebra is a branch of mathematics dealing with symbols and the rules for manipulating those symbols.
The complete situation is:
Rory sold T-shirts at a festival for $15 each. He paid $100 in materials and fees.
Rory's profit after the festival was $350.
Now, Let s equal the number of shirts sold.
The total cost will be =15s
As he paid $100 in materials and fees.
so,
= 15s-100
The equation which represent the situation is :
15s-100= 350.
Learn more about this algebra here:
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Rick Arico invested $5000; part at a yearly rate of 7% and part at a yearly rate of 9%. The total
interest earned for one year was $368. How much did he invest at each rate?
Answer:
Rick Arico invested $4100 at a yearly rate of 7% and $900 at a yearly rate of 9%.
Step-by-step explanation:
Let x represent the amount invested at 7% yearly rate and let y represent the amount invested at 9%.
$5000 was split and invested at 7% yearly rate and 9% yeatly rate. Therefore:
x + y = 5000 (1)
For the 7% yearly rate:
Interest = (x * 7%) = 0.07x
For the 9% yearly rate:
Interest = (y * 9%) = 0.09y
The total interest = interest for the 7% yearly rate + Interest for the 7% yearly rate = 0.07x + 0.09y
Given that the total interest earned in the year was $368, hence:
0.07x + 0.09y = 368 (2)
To find x and y, we have to solve equation 1 and equation 2 simultaneously. multiply equation 1 by 0.07 and subtract the result from equation 2 to get:
0.02y = 18
y = 18 / 0.02
y = $900
Substitute y = $900 in equation 2:
0.07x + 0.09(900) = 368
0.07x + 81 = 368
0.07x = 287
x = $4100
Therefore Rick Arico invested $4100 at a yearly rate of 7% and $900 at a yearly rate of 9%.
Solve the system of equations.
7x - 4y = 34
- 6x + 3y = - 30
Answer:
x = 6
y = 2
Step-by-step explanation:
Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)
What is 0.75x0.75x0.75x0.75x0.75 written in exponential form
To write a number in exponential form, we look at the main number, then see how much is it repeated by.
Our main number is 0.75.
How many times 0.75 is repeating is 5 times.
Therefore, our answer is: [tex]0.75^5[/tex].
Optional: 0.75 to the power of 5 is: 0.2373046875.
