Answer:
x=8
Step-by-step explanation:
Vertical angles are equal
<A = <B
3x-21 = 2x-13
Subtract 2x from each side
3x-2x-21 = 2x-13-2x
x-21 = -13
Add 21 to each side
x-21+21 = -13+21
x = 8
Bob's Bagels offers pre-paid cards and has the specials shown. Carol has a $50 card she uses to buy coffee and a bagel each week. Diego has a $60 card he uses to buy tea and a breakfast sandwich each week. Write and solve an inequality to find the number of weeks in which the balance on Carol's card will be greater than the balance on Diego's card.
Answer:
50-3W ≤ 60-5w
Number of week = 5 days
Step-by-step explanation:
Given:
Carlo card = $50
Diego card = $60
Note:
Coffee and Bagel = $3
Tea and breakfast sandwich = $5
Computation:
Number of week = W
50-3W ≤ 60-5W
Number of week = 5 days
You’re just solving for a variable
Step-by-step explanation:
(ab/4) +bc = 12 -xc
multiply both sides by 4
ab + 4bc = 48 - 4xc
Transfer -4xc to the other side
ab + 4xc + 4 bc = 48
Transfer ab to the other side
4xc + 4bc = 48 - ab
take c as a common factor
c( 4x - 4b) = 48 - ab
divide both sides by ( 4x - 4b)
c ( 4x - 4b)/( 4x - 4b) = (48- ab)/( 4x - 4b)
c = ( 48-ab)/( 4x - 4b)
Each floor of a building is 12.1 feet tall. If the height of the building is 193.6 feet, how many floors does the building have? You must show your work to receive all possible points.
IS this enough, pls help.
Answer:
Yes, you showed your work.
Step-by-step explanation:
can anyone help me if i dont get my grade up i wont get to go to my vollyball games
Answer:
x = 63
Step-by-step explanation:
Answer:
63
Step-by-step explanation:
We need to find the LCD first in order to add the fractions:
7*3 = 21
3*7 = 21
21*1 = 21
So the LCD is 21.
Next, we need to make sure that the fractions have the same denominator in order to add:
-6/7x - 5/21x + 1/3x = -48
-18/21x - 5/21x + 7/21x = -48
-16/21x = -48
Multiply both sides by the reciprocal of -16/21 (21/-16) to get x by itself:
(21/-16)(-16/21)x = -48(21/-16)
x = 63
Grayson works in a department store selling clothing. He makes a guaranteed salary
of $350 per week, but is paid a commision on top of his base salary equal to 20% of
his total sales for the week. How much would Grayson make in a week in which he
made $925 in sales? How much would Grayson make in a week if he made x dollars
in sales?
Step-by-step explanation:
a) $350 per week
20% commission on sales
For $925 in sales, commission is
20/100 × 925 = $185
Total earning = $350 + $185 = $535
b) For $x in sales, commission is
20/100 × x = 1/5 × x = x/5 or 0.2x
Total earnings = $350 + $ x/5 or $350 + $0.2x
90. The number of daily evening newspapers in the United States has decreased by 46.5% to
389 newspapers between 2000 and 2015. How many daily evening newspapers were there in
2000? I
Answer:
700
Step-by-step explanation:
Given:
Daily evening newspapers in 2015 = 389
Percentage decrease from 2000 to 2015 = 46.5%
To find:
Number of newspapers in 2000 = ?
Solution:
Let the number of newspapers in 2000 = [tex]x[/tex]
When 46.5% of the total newspapers in 2000 ([tex]x[/tex]) is subtracted from the total newspapers in 2000 ([tex]x[/tex]), it will be equal to the number of newspapers in 2015.
Making the equation as per the given statement:
[tex]x-x\times 46.5\%=389\\\Rightarrow \dfrac{100x-46.5x}{100}=389\\\Rightarrow 53.5x=38900\\\Rightarrow x\approx \bold{727}[/tex]
Therefore, the answer is:
There were 727 newspapers in 2000.
I NEED HELP NOW PLEASEE
Point P is the interior of ∠OZQ. If m∠OZQ = 125 and m∠OZP = 62, what is m∠PZQ?
Answer:
[tex]PZQ = 63[/tex]
Step-by-step explanation:
Given
[tex]OZQ = 125[/tex]
[tex]OZP = 62[/tex]
Required
Determine PZQ
Since P is an interior of OZQ, we have that:
[tex]OZQ = OZP + PZQ[/tex]
Solve for PZQ
[tex]PZQ = OZQ - OZP[/tex]
Substitute values for OZQ and OZP
[tex]PZQ = 125 - 62[/tex]
[tex]PZQ = 63[/tex]
Identify the slope of the following equation . y=4/5x+8
Answer:
4/5x is your slope and 8 is your y intercept
Step-by-step explanation:
GUYS TIMED PLEASE HELP!!! A line passes through (-3,-4) and (6,2) what’s the x-in
A- -3
B- -2
C- 2
D- 3
break down 26 and 8 into factors
Answer:
26: 1 and 26, and 2 and 13
8: 1 and 8, and 2 and 4
Step-by-step explanation:
There are seven rows of nine people how many people are there in
The three interior angle measures of this triangle are x= °, y= °, and Z= °
Answer:
z+100=180
z=180-100
z=80
x+150=180
x=180-150
x=30
x+z+y=180(ASP)
30+80+y=180
110+y=180
y=180-110
y=70
hope it helps you!
DITII
Deyuences
SAQ 1: What is the importance of having the steps in formulating an explicit formula?
Answer:
The importance of having the steps in the formulation of an explicit formula are;
1) It promote repeatability of the derivation
2) It ensures traceability so as to outline the areas covered by the proof of the formula
3) It provides proof of the validity of the formula
4) It provides a improved insight into the given problem
5) It improves understanding of the problem
6) It serves as a back bone for more advanced proofs
Step-by-step explanation:
Why would two lines be parallel to each other based on where the congruent angles are positioned
Jeleah is buying a dress for her
winter formal. Her total came
to $63, including tax. If the tax
was $4.60, then what was the
cost of the dress?
Answer: 58.4
Step-by-step explanation:
63 - 4.60 = 58.4
plz mark brainliest
Answer:
$67.60 is the total cost
Step-by-step explanation:
1. you have to add the taxes to the real price
63.00+4.60
Three fourths of a number decreased by 10 is greater than or equal to 5
Your equation will be the following.
3/4x-10≥5
Three fourths of a number would be [tex]3/4x[/tex]
Decreased by 10 would be subtracted by [tex]10[/tex].
Greater than or equal to 5 would be [tex]\leq 5[/tex]
If this helped please mark me as brainliest!
4x + 5 = 9 + 4x please answer
Answer:
no solutions
Step-by-step explanation:
4x + 5 = 9 + 4x
Subtract 4x from each side
4x-4x + 5 = 9 + 4x-4x
5 = 9
This is not a true statement so there are no solutions
Step-by-step explanation:
4x + 5 = 9 + 4x
4x - 4x = 9 - 5
0 = 4
CMIIW
3-6 x (3 4th dived by 3 0) 2
Step-by-step explanation:
3 - 6 x ( 3/4 ÷ 3) 2
is this the correct equation? I'll solve it as long as i have the correct equation, but unsure as to if the 3 and 0 are supposed to be a fraction, decimal or multiplied etc
PLEASE HELP!? i need to ro this for my exit ticket asap
Answer:
It should be -3
Step-by-step explanation:
Answer:
42°
Step-by-step explanation:
[tex]m\angle ABD + m\angle DBC = m\angle ABC\\
2x + 2x - 3 = 81\degree \\
4x - 3 = 81\degree \\
4x = (81+3)\degree \\
4x = 84\degree \\
x = \frac{84}{4}\\
x = 21\\\\
m\angle ABD = 2x = 2*21\degree = 42\degree [/tex]
solve the inequality 8(x - 2) + 9 < 3(x - 1) + 5x
Answer:
no solution
Step-by-step explanation:
State whether the lines are parallel, perpendicular, or neither. Show your work.
10x–5y=100 and 6y+3x=−7
PLZ SHOW WORK
Answer:
-5y=-10x+100
y=2x-20
6y=-3x-7
y=-1/2x-7/6
Perpendicular because the slopes are opposite
A scatterplot is used to display data for a runner where x is the number of miles run, and y is the time, in minutes, that it
takes to run that distance.
Which interpretation describes a line of best fit of y = 9.5x for the data in the scatterplot?
For each 1 minute, the runner ran 9.5 miles.
The missing choices are:
(A) for each 1 minute, the runner ran 9.5 miles.
(B) for each 9.5 minutes, the runner ran 1 mile.
(C) the minimum distance with a recorded time is 9.5 miles.
(D) the maximum distance with a recorded time is 9.5 miles.
Answer:
The interpretation that describes the line best fit of y = 9.5 x is: for each 9.5 minutes, the runner ran 1 mile. ⇒ (B)
Step-by-step explanation:
Since the equation of the line best fit is y = 9.5 x, where
x is the number of miles runy is the time in minutes9.5 is the rate of change of the time to the mileThe rate of change = change of y/ change of x
∵ y represents the time in minutes
∵ x represents the distance in miles
∴ The rate of change = minutes / mile
∵ The rate of change = 9.5 minutes / 1 mile
∴ The interpretation describes the line best fit is:
For each 9.5 minutes, the runner ran 1 mile
Answer:
b on edge
Step-by-step explanation:
The grades on a chemistry midterm at Springer are roughly symmetric with μ=67\mu = 67μ=67mu, equals, 67 and σ=2.0\sigma = 2.0σ=2.0sigma, equals, 2, point, 0. William scored 66 on the exam. Find the z-score for William's exam grade. Round to two decimal places.
Answer: - 0.50
Step-by-step explanation:
Given the following :
Mean score = 67
Standard deviation = 2
To obtain the Zscore, use the relation:
Zscore = (X - mean) / standard deviation
Williams score = 66 = X
Hence,
Zscore = (66 - 67) / 2
Zscore = - 1 / 2
Zscore = - 0.50
I neeeeed it rnnnnnnnn pls
Answer:
its greater
Step-by-step explanation:
Mrs. Martinez had $150.55 in her checking account. She wrote checks for the following amounts: $45.76, $35.00, and $79.82. What is the new balance in Mrs. Ming's checking account.
Answer:
160.58
Step-by-step explanation:
Answer:
= -10.03 if u subtract if u add its =160.58
Step-by-step explanation:
NEED HELP ASAP!! WILL MARK BRAINLIEST!!
A football is kicked at 40 yards away from a goal post that is 10 feet high. Its path is modeled by y = -0.03x^2 + 1.6x, where x is the horizontal distance in yards traveled by the football and y is the corresponding height above the ground in feet.
Does the football go over the goal post? How far above or below the goal post is the football? Use two or more complete sentences to explain your answers. (Hint: The unit conversion is built into the given function.)
Answer:
at goal post x= 35
the height will be y= –0.03x2 + 1.6x= 19.25 > 15
is 4.25 feet above the goal post.
Step-by-step explanation:
Hope this helps
Ellen can purchase 5 apples for $1.75. How many apples can she get for $1.00
Help!!!
Answer:
She can get 2
Step-by-step explanation:
2 multiplied by 35 equals 70 and 3 multiplied by 35 is 1.05 so Ellen can only get 2 apples
Hope it helps :)
Brainliest pls? Have a good day/night
x=-4/9 x=-5/4 NEED HELP GETTING TRINOMIALS FROM SOLUTIONS
The equation 36x^2 + 61x + 20 = 0 solves to x = -4/9 or x = -5/4
==========================================================
Explanation:
x = -4/9 or x = -5/4 .... given solutions
9x = -4 or 4x = -5 .... multiply both sides by denominator
9x+4 = 0 or 4x+5 = 0 .... get everything to one side
(9x+4)(4x+5) = 0 .... zero product property
y(4x+5) = 0 ...... let y = 9x+4
y*4x + y*5 = 0 .... distribute
4xy + 5y = 0
4x( y ) + 5( y ) = 0
4x( 9x+4) + 5( 9x+4 ) = 0 ... plug in y = 9x+4
4x*9x + 4x*4 + 5*9x + 5*4 = 0 ..... distribute
36x^2 + 16x + 45x + 20 = 0
36x^2 + 61x + 20 = 0
-----------------
The equation 36x^2 + 61x + 20 = 0 has the two solutions x = -4/9 and x = -5/4
We can use the quadratic formula to confirm this.
What is the rate of change (slope) of that line that passes through the points ( -8,62) (-6,34)
Answer:
The Slope is -14
Step-by-step explanation:
