Answer:
19/6
Step-by-step explanation:
make them all with a denominator of 6:
5/6 + 30/6 - 4/6 - 12/6 = 19/6
If y varies directly with x, and y = 2 when x = −4, what is the value of y when x = 20 ?
Answer:
y=kx
2=k.-4
k=-1/2
then
y=-1/2×20
y=-10
Answer:
y = - 10
Step-by-step explanation:
Given that y varies directly with x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 2 when x = - 4, that is
2 = - 4k ( divide both sides by - 4 )
[tex]\frac{2}{-4}[/tex] = k, that is
k = - [tex]\frac{1}{2}[/tex]
y = - [tex]\frac{1}{2}[/tex] x ← equation of variation
When x = 20, then
y = - [tex]\frac{1}{2}[/tex] × 20 = - 10
Ok, 6 questions fairly easy please help fast. I will give the brainlist away. And please show your work.
1. 3/5*(-5/7)
2. -7/12*-2/7
3. 2 2/5* 2 5/6
4. 1/2*-3 2/5
5. Jack spent 15 hours practicing his saxophone last week. He spent LaTeX: \frac{3}{10}\:3 10of that time doing warm-up routines. How many total hours did Jack spend on warm-up routines last week?
6. Upload a picture HERE of all the work you did for this quiz.
This will be one point!
Answer:
1. -1.14285714286
2. 0.16666666666
3. 6.8
4. -1.7
5. 1 Answer. The answer is 4.5 hours (or 4 hours and 30 minutes).
Step-by-step explanation:
5 explanation. Rolf spent 15 hours last week practicing his saxophone if 3/10 of the time was spent practicing warm up routines How much time did he spend practicing warm up routines.
6. i didn't do any work
but i hope this is good for ya
The two lines graphed on the coordinate grid each represent an equation. Which ordered pair represents a solution to both equations?
Answer:
(4,-3)
Step-by-step explanation:
The intersection of the 2 lines is the solution of the system of equations. The lines intersect at the point (4,-3), so that ordered pair is the solution.
Write each phrase as a numerical or algebraic expression.
4) 25 less than k
5) the product of 79 and m
6) the quotient of 325 and 5
Write each numerical or algebraic expression using words.
7) 87 x
8) 38 + s
Another question! using compatible numbers, which is the best estimate of (28.5)(7.1)
36
40
210
or 300?
Tap tap tap in- Oh! Didn’t see you there
Answer:2.181
Step-by-step explanation:
Answer:
2.18 or 2.18182
Step-by-step explanation:
for what value of x do the expressions 2/3x+2 and 4/3x+6 have the same value?
9514 1404 393
Answer:
x = -6
Step-by-step explanation:
To find the desired value of x, set the expressions equal.
2/3x +2 = 4/3x +6
Subtract 2/3x +6 from both sides.
-4 = 2/3x
Multiply by the inverse of the coefficient of x.
(3/2)(-4) = x = -6
The value of x that makes the expressions have the same value is -6.
__
Check
2/3x +2 = 2/3(-6) +2 = -4 +2 = -2
4/3x +6 = (4/3)(-6) +6 = -8 +6 = -2 . . . . same value
True or false: The opposite of squared is to divide by 2
Answer:
False
Step-by-step explanation:
Multiplying is dividing by 2, so that cant be the inverse. The real answer is a root. Hope this helps :D
Plz mark brainliest if correct.
help??????? i need to get my work done for the day-
Answer:
earth is closest and venus is the farthest
Step-by-step explanation:
What is the rate of change for the following? (4,5) (2, 15)
Answer:
-5
Step-by-step explanation:
Rate of Change also slope
Slope = y-y1/x-x1 = tanα = y/x
15-5/2-4 = 10/-2 =-5
Answer:
-5
Step-by-step explanation:
Given these two points, we can just plug them into the slope formula.
[tex]Slope=\frac{y_2-y_1}{x_2-x_1}[/tex]
[tex]\frac{15-5}{2-4}\\\\\frac{10}{-2} \\\\-5[/tex]
How many solutions does this system of equations
have?
equation 1: y = -4x + 3
equation 2: 2x + 8y = 10
1) 0
2) 1
3) 2
4) 3
5) infinitely many
selam 345 and 2 because this is simple quation
Find the greatest common factor of the monomials. Please helpppp and show work
20x², 36x =
Answer:
4
Step-by-step explanation:
In March, Isaiah and Freddie had the same amount of money in their savings accounts. In April, Isaiah deposited $210 into his account. Freddie increased the money in his account by 15%. When they compared their balances, they found that they were still equal. How much money did they both have in their accounts in March? Enter your answer in your box
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let the original amount in Isaiah and Freddie's accounts be x
15%of x=$210
15x/100=$210
x=210*100/15
x=$1400
Which expression is equivalent to one over four n − 16? (4 points)
Group of answer choices
one over four (n − 4)
one over four (n − 64)
4(n − 4)
4(n − 64)
Answer:
B) one over four ( n- 64)
Step-by-step explanation:
distributive property
1/4 ×n = 1/4n
1/4 × -64 = 1 × - 64 = - 64 ÷ 4= -16
Somebody help me please
Answer:
Slope 2.5 y intercept -3
Step-by-step explanation:
ed
Two trains are traveling at constant speeds on different tracks.
0
12.5
100
s do...
Train A:
Distance traveled (meters)
Elapsed time (seconds)
0
1
I
100
Train B:
Distance traveled (meters)
4 +
+
Elapsed time (seconds) +
0
Which train is traveling faster? Explain your reasoning.
I
Sign out
Answer: what are you talking about you might have to explain more of it because it's just not making sense and then i can help you
Step-by-step explanation:
Can you guys explain how to do this. I’ll mark brainliest I promise
Answer: the an is 2
Step-by-step explanation:
A window-washing crew can finish 15 windows in 18 minutes.
If this crew was assigned to wash all of the 24,348 windows on the outside of the Burj Khalifa at this rate, how long will the crew be washing at this rate?
Answer:
34321.2 min
Step-by-step explanation:
The Burj Khalifa has in total 28601 windows. On the other hand, we are told the window-washing crew can wash 15 windows in 18 minutes. So, we can use the Rule of three to solve this problem:
If:
15 windows ---- 18 min
28601 windows ---- ?
Then:
? = (28601windows)(18min)/15windows
? = 34321.2min
Answer:
34321.2 min
Step-by-step explanation:
20 Points
Three salesmen work for the same company, selling the same product. And, although they are all paid on a weekly basis, each salesman earns his paycheck differently. Salesman A works strictly on commission. He earns $65 per sale, with a maximum weekly commission of $1,300. Salesman B earns a weekly base salary of $300, plus a commission of $40 per sale. There are no limits on the amount of commission he can earn. Salesman C does not earn any commission. His weekly salary is $900. The following table shows the number of sales each salesman had during the first three weeks of this month.
Week 1 Week 2 Week 3
Salesman A 11 14 16
Salesman B 14 15 13
Salesman C 16 12 11
In which week(s), did Salesman C have a larger paycheck than both of the other salesmen? Select all that apply.
Week 3
None of the weeks.
Week 2
Week 1
Calculate the pay for each salesman:
Salesman A: week 1: 65x 11 = 715, week 2: 65x 14 = 910, week 3: 65x 16 = 1040
Salesman B: week1: 300 + 40x14 = 860, week2: 300 + 40x15 = 900, week3: 300 + 40x13 = 820
Salesman c gets 900 per week.
Week 1 salesman 3 made more than both A and B
HELP!! Plz write a detailed explanation of how you got your answer!!! Thxxxxxx(´・ω・`)
Answer:
P(t) = P(t) = 118,2568 cm
Step-by-step explanation:
The shape is made of half circle and an equilateral triangle ( this is a triangle with three equal sides ) therefore as the diameter of the circle is one of the sides of the triangle we can write:
Total perimeter P(t) is: the length of the semi-circle plus the length of the two sides of the triangle then:
The length of the semi-circle s is: s = π*d
And the length of one side of the triangle is 23 cm
P(t) = π*d + 2*d
P(t) = 3,1416*23 + 2*23
P(t) = 72,2568 + 46
P(t) = 118,2568 cm
what are the coordinates of a point in quadrant ||| which is 8 units away from point p Answer quick
Answer:
If it is at -8, -8 then p is at 0,0
Step-by-step explanation:
Sorry, there is not much information given to answer.
Can anyone answer this ASAP!
1= 300
2= -13
3= 45
4= 13
5= 2
6= 16
8= 15 degrees
9= 340
10= +10
11= -9
12= -14
13= -25
14= 4
15= -20
16= 9
17= 25
Help please I will give you the crown.
Answer:
Option D) ∠FED
Step-by-step explanation:
Options A, B and C are actual exterior angles, but Option D is just a vertically opposite angle to ∠BEH
16.1 – (–14.7) explain your work
Please help
Answer:
1.4 or 30.8
Step-by-step explanation:
1.4 is for regular math because it's basically 16.1 - 14.7
30.8 is for KCO or Keep Change Opposite (Beginners math)
Basically it would turn the equation into 16.1 + 14.7
You can use either but if you aren't sure ask your teacher about the strategy.
Hope this helps and if not tell me your strategy.
is this true??
4/2 = −4/−2 =2
is this true??
−4/2=4/−2=2
The area of a rectangle is 82.84 square meters. If the length is 7.6 meters, then what is the width?
hey i need help, anyone i don't get it do i divide or multiply HELPPPPP
Answer:
The answer is 10.9
Step-by-step explanation
#1 think of the formula of the area
length x width = area
#2 do the oposite of what you would to to find the area to find the width
82.84➗7.6 = 10.9
#3 check your answer
7.6 x 10.9 = 82.84
#3 answer
width= 10.9
Hope this helps!!!!!!
Factor -6 out of 18z - 15.
A factor is a term that is common in the whole expression thus the factor -6 out of 18z - 15 is -6(3z + 5/2).
What is an algebraic factor?An algebraic factor is the multiplication of two algebraic terms.
If we divide an algebraic factor by a factor that is available inside then the remainder after the division will be zero.
As per the given expression,
18z - 15
The factor out -6 will be,
⇒ -6(18z - 15)/(-6)
⇒ -6((-18/6)z + 15/6)
⇒ -6(3z + 5/2)
Hence "A factor is a term that is common in the whole expression thus the factor -6 out of 18z - 15 is -6(3z + 5/2)".
For more about the algebraic factor,
brainly.com/question/19426180
#SPJ2
HELP ME PLEASE WITH THIS QUESTION
Answer:
YES
Step-by-step explanation:
Answer:
Yes is the answer pls mark me brainliest i really need it thanks
In which choice do all three points lie on the same straight line?
A) (0,0) (5, 4) (7,4)
B) (1,1) (2,4) (3,9)
C) (-2,5) (0,3) (5,-2)
D) (-1,-1) (0,0) (4, 64)
Answer:
why did you remove my answer?
Step-by-step explanation:
West Middle School ordered 121 boxes of markers. If there are 22 teachers, how many boxes does each teacher get? Select the TWO answers represented by a decimal and a fraction.
5.5
22/121
5.05
121/22
Answer:
a and b
Step-by-step explanation:
Answer:
121/22 and 5.5
Step-by-step explanation:
You divide 121 boxes of markers among the 22 teachers and each teacher get 5 and a half boxes
121/22=5.5