Answer:
2x(3x+7)
Step-by-step explanation:
factor 2x out of 6x^2+14x
y=2x+1
y=4x-1
SHOW YOUR WORK PLEASE
Let's solve your system by substitution.
y=2x+1;y=4x−1
Step: Solve y=2x+1for y:
y=2x+1
Step: Substitute2x+1foryiny=4x−1:
y=4x−1
2x+1=4x−1
2x+1+−4x=4x−1+−4x(Add -4x to both sides)
−2x+1=−1
−2x+1+−1=−1+−1(Add -1 to both sides)
−2x=−2
−2x
−2
=
−2
−2
(Divide both sides by -2)
x=1
Step: Substitute1forxiny=2x+1:
y=2x+1
y=(2)(1)+1
y=3(Simplify both sides of the equation)
Answer:
x=1 and y=3
Alvin's age is three times Elga's age. The sum of their ages is 104. What is Elga's age?
Answer: Alvin is 78, Elga is 26
Step-by-step explanation:
Let's first start by naming the variables:
a = Alvin's age
e = Elga's age
a = 3e
a + e = 104
substitute a (in the second equation) as 3e
3e + e = 104
4e = 104
e = 26
Substitute e as 26 into either equation
a = 3(26)
a = 78
write the expression that represents y increased by 5%
Answer:
y·1.05
Step-by-step explanation:
Need h e l p it's Algebra
Directs they put for me:
1 STEP EQUATIONS: Solve each equation
_____________________________________
(Answer All Correctly)
(Best Answer get brainliest)
-I give : Brainliest,Thankyou's,Star Ratings-
Answer:
5)216
6)18
7)5
8)-11
Step-by-step explanation:
love the pfp
Answer:
x=216
n=18
m=5
x=-11
Step-by-step explanation:
12= x/18
Can also be written as 12=x÷18. Multiply each side by 18 to isolate x and to find the value of x.
This will cause the equation to look like 12×18=x÷18×18. This will eliminate 18 from the right side of the equation and for 12×18 to equal 216. After simplifying it will equal:
x=216
3=n/6
Can also be written as 3=n÷6. Multiply each side by 6 to isolate n in order to find the value of n.
This will cause the equation to look like 3×6=n÷6×6. After simplifying the equation by causing the 6 on the right side of the equation to cancel out and multipyling 3 and 6 together, it will equal:
n=18
-10=m+(-15)
Add 15 to each side of the equation to find the value of m.
This will cause the equation to look like -10+15=m+(-15)+15. This will cause the 15s on the right side of the equation to cancel out and for the left side of the equation to equal 5. After doing this, the equation will equal:
5=m
-7+x=-18
Add 7 to each side of the equation to isolate x in order to find the value of x.
This will cause the equation to look like -7+7+x=-18+7. This will cancel out the 7s on the left side of the equal and the right side of the equation will equal -11. After using these steps to simplify, the equation will equal:
x=-11
2. Complete the function
table using the rule
y = x + 4.5
Answer:
Step-by-step explanation:
Given function is,
y = x + 4.5
To complete the input-output table given in the picture we will substitute the values of x in the function rule,
For x = 1,
y = 1 + 4.5
y = 5.5
For x = 3
y = 3 + 4.5
y = 7.5
Therefore, complete table will be,
x 0 1 2 3
y 4.5 5.5 6.5 7.5
three decimal numbers that when rounded to the nearest hundredths place will round to the number 6.75.
Answer:
6.7491, 6.7524, 6.7463
Step-by-step explanation:
HELLP!!! PLSSSS!! I'M STUUPIID!!
Step-by-step explanation:
26 + x = 90
x = 90 - 26
x = 64°
.....
Which equation has the same solution as x^2+10x+9 = 4
Find the value of k that makes each statement true.
Answer:
k=7
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A train leaves at 09.46 and arrives at its destination at 10.34.
If the train travelled 74 km, what was it's average speed in km/h?
Give your answer rounded to 1 dp.
Answer:
92.5km/h
your welcome
Can someone pleaseeee help and if you’re correct I’ll give u brainlist!
Step-by-step explanation:
who wouldnt know that its 39 duh
Please help FAST!!!!
Which equation represents a line that has a slope of 1/3 and passes through point (-2, 1)?
(A. y = 1/3x- 1
(B. y = 1/3x+ 5/3
(C. y = 1/3x- 5/3
(D. y = 1/3x+ 1
Answer:
C
Step-by-step explanation:
Answer:
D
Step-by-step explanation: The slope is 1/3x, and that means it would pass through (-2,1) if the slope was there. Hope this helps (:
What is the answer please
Answer:
RVS is equal to 180 - 26 degrees, or 154 degrees.
Bonus: I assume the next part of the question asks you to solve for x, where x is equal to that angle. If so, then the answer is 15:
154 = 10x + 4
150 = 10x
x = 15
 examples on how you use is mathematics inside or outside of school
Lütfen cevaplarmısınız ödevi çok acil
A scientific calculator has 42 buttons. There are twice as many grey buttons as orange buttons. There are two more white buttons than grey buttons. There twice as many black buttons as white buttons. WRITE AN EQUATION TO CALCULATE HOW MANY BUTTONS OF EACH COLOUR THERE ARE. LET X REPRESENT THE NUMBER OF ORANGE BUTTONS.
Answer:
x + 2x + 2x + 2 + 4x + 4 = 42
Step-by-step explanation:
Let us assume the number of orange buttons be x
So, the grey buttons be 2x
The white buttons would be 2x + 2
And the black buttons be 2(2x + 2) i.e. 4x + 4
Also the total is 42 buttons
So, the equation is
x + 2x + 2x + 2 + 4x + 4 = 42
£100 is divided between Fiona, Pip and Sara so that Fiona gets twice as much as Pip, and Pip gets 3 times as much as Sara. How much does Pip get?
Step-by-step explanation:
if pip gets x
sarah gets x/3
fiona gets 2x
so x+x/3 +2x=100
10x/3=100
x=30
SOMEBODY ANSWER THIS PLZ PLZ PLZ!!!
Answer:
D. 18Step-by-step explanation:
This is the combination of 3, 3 and 2 options.
The number of combinations is:
3*3*2 = 18Correct choice is D
Add the expressions (5x2y3z)and(-7x2y3z).
A.-12x2y3z
B.-2x2y3z
C.2x2y3z
D.12x2y3z
Answer:
B
Step-by-step explanation:
A group of friends were working on a student film. They spent all their budget on equipment and props. They spent $216 on equipment, and 73% of the total budget on props. What was the total budget for their student film?
Answer:
800
Step-by-step explanation:
100x216=27
21600 divided by 27=800
The total budget for this student film was 800$.
What is the percentage?A percent is a quantity or ratio that, in mathematics, represents a portion of one hundred. A dimensionless relationship between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals. The symbol "%" is frequently written after the number to indicate percentages. Additionally, you can indicate them by adding "percent" or "pct" after the number.
Given, A bunch of buddies was producing a school movie. Their whole budget was spent on props and equipment. Equipment cost $216, while props accounted for 73% of the whole budget. Hence,
Percent of their budget they spent on equipment = 100 - 73 = 27
Also given the money spent on budget = 216
Thus, 27 % of the total budget = 216
1 % of the total budget = 8
Total budget = 8 *100
Therefore, This student movie had an 800-dollar budget in total.
Learn more about percentages here:
https://brainly.com/question/29116686
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Natalia went to the deli and ordered 1/2 pound of sweet ham, 5/6 pound of roast beef, and 2/8 pound of smoked chicken. How many pounds of meat did she order? *
Answer:
the answer is 1 and 7/12
Step-by-step explanation:
6.4x+2.3=47.1 solve for x.
Answer:
x=7
Step-by-step explanation:
Answer:
X=7
Step-by-step explanation:
1.) Subtract 2.3 from both sides makeing it 6.4x= 44.8
2.) DIvide 6.4 on both sides making it X=7
please help me with this quadratic equation question..... I will give brainliest if you answer
Identify a, b, and c in the quadratic expression
9 + 6x2 – 5x
Answer:
wsz=23
Step-by-step explanation:
Answer:
a=6x^2
b=-5x
c=9
Step-by-step explanation:
–1+–10+–10–5z
answer
now
please-
Answer:
−5z−21
Step-by-step explanation:
If factored it is :-5z-21
Answer:
-21-5z
Step-by-step explanation:
-1+(-10)+(-10)-5z
-1-10-10-5z
-1-20-5z
-21-5z
PLEASE HELP
Meryl buys new baseball equipment for $2000. The purchase made is with a credit card that has a 19% APR. Meryl makes a $150 payment monthly. How many months will it take Meryl to pay off the balance?
Answer:
It will take Meryl 15.09 months to pay off the balance.
Step-by-step explanation:
This can be calculated using the formula for calculating the present value of an ordinary annuity as follows:
PV = P * ((1 - (1 / (1 + r))^n) / r) …………………………………. (1)
Where;
PV = Present value or the cost of the new baseball equipment = $2000
P = Monthly payment = $150
r = Monthly interest rate = annual percentage rate (APR) / 12 = 19% / 12 = 0.19 / 12 = 0.0158333333333333
n = number of months it will take Meryl to pay off the balance = ?
Substitute the values into equation (1) and solve for n, we have:
2000 = 150 * ((1 - (1 / (1 + 0.0158333333333333))^n) / 0.0158333333333333)
2000 / 150 = (1 - (1 / 1.0158333333333333)^n) / 0.0158333333333333
13.3333333333333 = (1 - 0.984413453650536^n) / 0.0158333333333333
13.3333333333333 * 0.0158333333333333 = 1 - 0.984413453650536^n
0.21111111111111 = 1 - 0.984413453650536^n
0.984413453650536^n = 1 - 0.21111111111111
0.984413453650536^n = 0.78888888888889
loglinearize both sides, we have:
nlog0.984413453650536 = log0.78888888888889
n = log0.78888888888889 / log0.984413453650536
n = -0.102984160720249 / -0.00682245957075587
n = 15.0948729929724
Rounding to 2 decimal places, we have:
n = 15.09
Therefore, it will take Meryl 15.09 months to pay off the balance.
Which expressions are equivalent to x+x+x + 2x+x+x+2x, plus, x, plus, x, plus, 2 ?
Answer:
A and D should be correct
Step-by-step explanation:
HELP ME PLZ WILL GIVE BRIANLY
Answer: 82 students
78+4=82
haha
Answer:
82
Step-by-step explanation:
Please tell me how to do this or what the answer is :((
Answer:
(2,-6)
Step-by-step explanation:
You have to go along the X axis then along the Y axis (across the landing, up/down the stairs).
The coefficient in the expression 3x - 5 is
Answer:
coefficient can be taken of a particular number or variable not a whole expression
Step-by-step explanation:
this may help you
coefficient of x is 3
hope it helps you
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