Answer:
x = -2
And, x = 7 ÷ 2
Step-by-step explanation:
Given that
y = 2x^2
y = 3x + 14
Now equate these two above equations
2x^2 = 3x + 14
2x^2 - 3x - 14
2x^2 -7x + 4x - 14
x(2x - 7) + 2(2x - 7)
(x + 2) (2x - 7)
So it can be x = -2
And, x = 7 ÷ 2
can someone please help with this? will give brainliest
Answer:
0.004
Step-by-step explanation:
Just mutiply and divide by 2
PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!!! <3
Answer: The numbers go from left to right on the table in this order: 0, 3, 4, 3, 0, -5.
To do the problem, you put the x - value in place of where the x is in the equation above (y = 4 - x^2) and then you put what y equals in the box after you finish.
Good luck, hope this helped!!
Andy is buying a car
he negotiated a 7% decrease on a £6 500 car
he will pay the full balance in 12 equal month payments
calculate the amount paid each month
Answer:
£503.75 per month
Step-by-step explanation:
7% decrease on a £6,500 car
= 7% of 6,500
= 7/100 * 6,500
= 0.07 * 6500
= £455
Amount of the car = £6,500 - £455
= £6,045
he will pay the full balance in 12 equal month payments
Amount paid each month = £6,045/12 months
= £503.75 per month
Answer:
7% decrease on a £6,500 car
= 7% of 6,500
= 7/100 * 6,500
= 0.07 * 6500
= £455
Amount of the car = £6,500 - £455
= £6,045
he will pay the full balance in 12 equal month payments
Amount paid each month = £6,045/12 months
= £503.75 per month
Step-by-step explanation:
please help...
thanks due in some hours
Answer:
1. x=4 y=4√3
2. x=48 y=24√3
4. x=7/√3 y= 14/√3
5. x=27√3 y = 54
Step-by-step explanation:
A number divided by —4 is —13. pls help<3
Answer:
[tex]\frac{n}{-4} =-13: n = 52[/tex]
Step-by-step explanation:
[tex]\frac{n}{-4} =-13: n = 52[/tex]
An easy way to find out is by plugging the variable with a constant such as 2
Kyle completed 24 sit-ups which is 30% of his daily goal what is Kyle's daily sit-up goal?
Answer:
80
Step-by-step explanation:
i need help please asap
Answer:
1
Step-by-step explanation:
If this answer helped you then please mark it as brainliest so I can get to the next rank
Find the measurements
Answer:
X=75 y=90
Step-by-step explanation:
180-105=75
X=75
180-90=90
Y=90
6/13 as a decimal rounded to the nearest thousandth
Answer:
the answer will be 0.462
Step-by-step explanation:
Please help with number 1 and 4 asap!
Answer:
Total surface area
1) 46cm²
4) 304cm²
Step-by-step explanation:
1) First you need to work out each face on its own, opposites will be the same such as the front and back, top and bottom, side to side, because its a rectangle.
Formula : Base x height
Front/back : 5x3=15 and 15 =30 (added together)
top/bottom : 1x5= 5 and 5 = 10
side/side : 3x1= 3 and 3 = 6
30+10+6=46cm²
4) lets work out the easy ones first using the same formula from question 1 for one surface area but this is a trapezium, which is a irregular quadratical shape so the sides would most liky be different from each other except the front and back.
Top : 5x8=40
bottom : 3x10=30
right side : 12x8=96
Left side : 12x10=120
front/back= 12x3=36 / 2 = 18
Because if u added another side to make it a rectangle then divide by 2 would get the answer or 1/2 x base x height also works.
40+30+96+120+18=304cm²
Which graph represents y = –4x + 4? HURRY PLEASE HELP!!
Which set of ordered pairs represents a function?
{(-8, 1), (5. –7),(-6,9), (-6, -9)}
o{(-2,-3), (2, 1), (2,6), (4,9)}
o{(8,4), (6,4), (9,1),(7-6)}
o{(-4,5),(0,0), (2, -8), (2,0)}
Answer:
o{(8,4), (6,4), (9,1),(7-6)}
Step-by-step explanation:
Every x value can only have one y value
Write down the Inequality for x that is shown in this line.
Answer:
[tex]x>3[/tex]
Step-by-step explanation:
Using the line shown here, we can see that the variable x can takes values greater than 3.
The white circle means that the x can not take this value.
Then, x could be 4, 5, 6, ... and so on.
Putting this information into an inequality form we will have:
[tex]x>3[/tex]
or in interval terms, all the values of x ∈ (3, infinity).
I hope it helps you!
Answer:
Step-by-step explanation:
I dont know
10 Points Please Help
What is the solution of this equation?
-3z = 24
Answer:
-8
Step-by-step explanation:
bc a negative time a negative give u a positive
-3x-8=24
You deposite $1500 in an account that pays 7% annual interest compounded daily. Find the balance after 4 years
Step-by-step explanation:
princiiple (p) = $1500rate (r) = 7%time (t) = 4 yearsinterest = (p × r × t) ÷ 100 = (1500 × 7 × 4) ÷ 100 = 42000 ÷ 100 = $420amount after 4 years = principle + interest = $1500 + $420 = $1920MARK ME BRAINLISTHELP MEEEE!!!!!!!!!!!!!!!!!!!! I will give brainliest to whoever answers first.
Answer:
B = 114
Step-by-step explanation:
and i answered first
The radius of a circle can be approximated using the expression √(A/3). A circular kiddie swimming pool has an area about 28 square feet. An inflatable full-sized circular pool has an area of about 113 square feet. How much greater is the radius of the full-sized pool than the radius of the kiddie pool? round to the nearest whole number.
It says Hint: First find the radius of each pool by substituting for A in the expression. Divide by 3 before approximating square root.
Answer:
yeah I know you are literally perfect for you to be home
By using the expression to approximate the radius of a circle, we want to compare the radius of the two pools. We will find that the radius of the full-sized pool is 2 times larger than the radius of the kiddie pool.
The expression for the radius of a circle is:
R = √(A/3)
Where A is the area of said circle.
The circular kiddie swimming pool has an area of 28ft^2, we just replace that in the above expression to get:
R = √(28 ft^2/3) = 3 ft
The full-sized pool has an area of 113 ft^2, then its radius is:
R' = √(113 ft^2/3) = 6 ft
To see how much greater is the radius of the full-sized pool than the radius of the kiddie pool, we just take the quotient:
R'/R = 6ft/3ft = 2
Meaning that the radius of the full-sized pool is 2 times larger than the radius of the kiddie pool.
If you want to learn more, you can read:
https://brainly.com/question/20767796
is 6 greater then 0.8
Answer:
Yup, its greater than 0.8
Answer:
Yes
Step-by-step explanation:
0.8 is less than 1 and 6 is greater than one so 6 is greater than 0.8. :)
need help asap please help
Jesse is filling spherical balloons. When full, one of these balloons has a diameter of 24. Jesse can fill a balloon at a rate of 820cm^3 per breath. how many breaths would it take her to fill a balloon
Answer:
it's 8.8 had to do the exact problem on khan acedemy
Step-by-step explanation:
answer is 8.8 breaths
Help plz i tried 4 and it was wrong
Answer:
2 roots this parabola have because it line passes at x - axis.
There's an attachment. This is due in TWO minutes! I will award brainliest. Please answer soon!
Answer:
ultiply by 2 and then add 2
Step-by-step explanation:
....hi
PLEASE HELP I NEED MORE PLEASE WORTH 1O POINTS
hope it's helpful ❤❤❤❤❤
THANK YOU.
Answer:
6. is b
Step-by-step explanation:
Only hash channel catfish typically was about 0.06 g during the first six weeks of life at weight increase about 10% each day right a exponential model for the weight how much will the catfish gain weight after six weeks
Answer:
3.225 gram
Step-by-step explanation:
Given that :
Initial weight = 0.06g
Rate of increase, r = 10% = 0.1 per day
Weight gain after 6 weeks
For an exponential model. f(x)
f(x) = a(1 + r)^x
Where ; a = initial amount ; r = growth rate ; x = period
Our model becomes :
f(x) : 0.06(1 + 0.1)^x
f(x) = 0.06(1.1)^x
Number of days in 6 weeks = 6*7 = 42 = x
f(42) : 0.06(1.1)^42
= 3.285 gram
Hence, weight gain after 6 weeks :
(3.285 - 0.06) g = 3.225 gram
What is the slope of a line parallel to line A?
A. -4/7
B. -7/4
C. 4/7
D. 7/4
Answer:
The answer is C.4/7
Step-by-step explanation:
First of all, parallel lines have the same gradient (slope), so if you find the slope for line A this will be the same slope as the line parallel to it (line A).
Step 1: find any two points from line A.point 1: (0,4) Where, [tex]x_{1} =0[/tex] and [tex]y_{1}=4[/tex]
point2: (-7,0) Where, [tex]x_{2} =-7[/tex] and [tex]y_{2} =0[/tex]
Step2: write the formula of the slope:[tex]m=\frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex]
Step3: substitute the numbers in the formula:[tex]m=\frac{0-4}{-7-0}[/tex]
Step4: simplify the formula to get the answer to the slope:[tex]m=\frac{-4}{-7}[/tex]
[tex]=\frac{4}{7}[/tex]
So the answer is:C. 4/7
(note: this is the slope of line A and any line parallel to line A)
what is the nearest degree ?
Answer:
maybe 65 degrees
sorry if its wrong
Answer:
45 degrees
Step-by-step explanation:
All three angles equal 180
Its a right triangle, C=90
Two angle, 90 degrees left, and they're equivalent so divide by 2
B=45, A=45
Write as an algebraic expression.
1. the sum of m and 8
Answer: m+8 =
Step-by-step explanation:
How many 1/4’s are in 2/3?
Answer:
We'll leave 2/3 as it is and reciprocate 1/4 into 4/1. 2/3 × 4/1 = 8/3 which becomes 2.66. So 1/4 will go into 2/3 2.66 times.
Step-by-step explanation:
Answer:
1/4 is in 2/3 2 2/3 times
Step-by-step explanation:
Please Help!!! (i'll give the best answer brainliest)
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation. a. X + 12 = 20 ( 12,8,20,0) b. P - 4 = 0 (4,-4,8,0) c. 2y - 3 = 7 (0,3,5,7) Plz explain ;)
Answer:
(a) 8
(b) 4
(c)5
Step-by-step explanation:
We are given multiple parts and we need to provide the correct answer among the given options, also we need to prove that rest of the answers are wrong.
(a). X + 12 = 20 ( 12,8,20,0)
X= 20 -12
X= 8, so only 8 is the correct answer and rest are wrong.
Proof: lets take other given options into consideration
X= 12
X+12 =12+ 24 which is wrong because X+12 is already given as 20.
similarly,
X=20
X+12 = 20+12 = 36, which is wrong because X+12 is already given as 20.
X= 0
X+12 = 0+12 = 12, which is wrong because X+12 is already given as 20.
(b). P - 4 = 0 (4,-4,8,0)
P-4 = 0
P= 4, So only 4 will give the correct answer and not the other options.
P= -4 = -4 -4 = -8, which is wrong because P-4 is is already given as 0.
similarly,
P = 8 = 8-4 = 4, which is wrong because P-4 is is already given as 0.
P = 0, 0-4 = -4 , which is wrong because P-4 is is already given as 0.
(c). 2y - 3 = 7 (0,3,5,7)
2y = 7 + 3
2y = 10
y = 5, only 5 will satisfy this given equation and rest will be wrong,
y = 0
2y-3 = 7
2(0) - 3 = 7
-3 = 7 which is not correct as LHS and RHS must be same.
similarly,
y = 3
2y-3=7
2(3) - 3 =7
6-3 = 7
3=7 which is again wrong.
y = 7
2(7) -3 =7
14-3 = 7
11=7, which is wrong.
Therefore the given options for the correct answers is verified and the wrong answers are given as the proof.