Answer:
2 x 2 x 3 x 7
Step-by-step explanation:
2x2=4
4x3=12
12x7=84
What is the value of y?
Answer:
12
Step-by-step explanation:
it will be 12 because if you see the length were number 12 is it's the same as the other side
Which table shows a proportional relationship between x and y?
x
1
2
3
6
O
у
1.5
:
3
6
9
.
x
2.
4
5
6
о
y
6
12
18
21
х
1
3
4
5
o
O
y
50
150
200
250
х
3
5
7
8
a
у
1.5
2.5
3
4.5
1
2
3
4
5
6
7
8
9
10
Next
The ratio of y:x should be constant for any value of x and y.
[tex] \frac{y}{x} = constant[/tex]
If go over every table, you'll find that this is true for the third one and that the ratio is r=50
The table showing the proportional relationship between x and y is the third one.
What is proportional relationship?Two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio, which is called the coefficient of proportionality or proportionality constant.
Given are four tables, giving values of x and y, we need to identify the table giving the relation between x and y which is proportional.
Table 1)
x = 1, 2, 3, 6
y = 1.5, 3, 6, 9
y/x = 1.5, 1.5, 2, 1.5 [not proportional]
Table 2)
x = 2, 4, 5, 6
y = 6, 12, 18, 21
y/x = 3, 3, 3.6, 3.5 [not proportional]
Table 3)
x = 1, 3, 4, 5
y = 50, 150, 200, 250
y/x = 50, 50, 50, 50 [proportional]
Hence, the table showing the proportional relationship between x and y is the third one.
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Please Help! Answer Number 4
Answer:
1485
Step-by-step explanation:
sorry if im wrong
The diameter of one of the lights in a stoplight is 12 inches.
What is the area of the green light?
Use 3.14 as an approximation for π. Round your answer to the nearest tenth
The answers: 113.0 in, 113.0 in2, 452.2 in, 452.2 in2
Answer:
113.0 in
Step-by-step explanation:
[tex]a = \pi \: r {}^{2} \\ \\ = 3.14( \frac{12}{2} ) {}^{2} \\ \\ a = 113.0 \: in {}^{2} [/tex]
2, X2 + x - 3
True or False
Answer:
(True or False) The inequality |x + 1| < 0 has no solution.
Solution
The absolute value of a real expression is either positive or equal to zero. Therefore there is no value of x that makes |x + 1| negative and therefore |x + 1| < 0 is never true and the statement "The inequality |x + 1| < 0 has no solution" is TRUE.
make me brainlieast and follow me..Answer:
false
2,x2+x-3
2
x
2
−
x
−
3
=
0
Factor by grouping.
Tap for more steps...
(
x
+
1
)
(
2
x
−
3
)
=
0
If any individual factor on the left side of the equation is equal to
0
, the entire expression will be equal to
0
.
x
+
1
=
0
2
x
−
3
=
0
Set the first factor equal to
0
and solve.
Tap for more steps...
x
=
−
1
Set the next factor equal to
0
and solve.
Tap for more steps...
x
=
3
2
The final solution is all the values that make
(
x
+
1
)
(
2
x
−
3
)
=
0
true.
x
=
−
1
,
3
2
Step-by-step explanation:
work out the value of angle x
Answer:
x = 45°
Step-by-step explanation:
the triangle has 2 congruent sides and is therefore isosceles with the base angles being congruent, both x
the sum of the 3 angles = 180° , then
x + x + 90° = 180° ( subtract 90° from both sides )
2x = 90° ( divide both sides by 2 )
x = 45°
[tex]1. \sqrt{12} [/tex]
[tex]2. \sqrt{50} [/tex]
[tex]3. \sqrt{ \frac{49}{81} } [/tex]
Answer:
1. 3.46410162
2. 7.07106781
3. 0.08641975
The length of a rectangle is 11cm more than the width. Find the dimensions of the
rectangle if the area is 60cm?
width x
lenght : x + 11
area = x * (x+11) = 60 cm²
x² + 11x - 60 = 0
Δ = 11² - 4*1*(-60) = 121 + 240 = 361 = 19²
x' = (-11 - 19) / 2 = not possible
x" = (-11 + 19) / 2 = 4
witdh = 4
lenght = 4+11 = 15
PLEASE HELP
14 in.
12 in.
14 in.
Find the area of the figure above.
[?] square inches
Answer:
280 inches
Step-by-step explanation:
The area can be found by looking at each shape individually.
The area of the square can be found my multiplying the length by the width...
14*14 = 196 square inches
The area of the triangle can be found by multiplying the base by the height and dividing by 2...
A = b*h/2 (or some text books say half of the base times the height)
We knot the height of the triangle is 12 inches, and the base is implied as it shares a side with a square which has 4 equal sides of 14 inches. Therefore
A = (14*12)/2 = 84 square inches
We get the total area by combining the two segments...
Area (triangle) + Area (square) = Area (total)
84 + 196 = 280 square inches
can someone please help me ?
9514 1404 393
Answer:
solution: (-2, 2), (-4, -4)not a solution: (4, -2), (0, 0)Step-by-step explanation:
Plot the given points on the graph. Those that are on the (solid) boundary line or in the shaded area are solutions. Those in the white space are not solutions.
Write a contextual story for the equation 2x+4=24
Answer:
Step-by-step explanation:
2X=24-4 x=20/2 x=10
Answer:
Amy had 4 erasers. Brianna gave her x more erasers which doubled the amount of erasers she had. How many erasers does Amy have in total?
Will Give Brainliest if you show all the steps. 8x - 6 / 2 = x + 12
Solve for X
Answer:
x=
15
7
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
8x−
6
2
=x+12
8x+−3=x+12
8x−3=x+12
Step 2: Subtract x from both sides.
8x−3−x=x+12−x
7x−3=12
Step 3: Add 3 to both sides.
7x−3+3=12+3
7x=15
Step 4: Divide both sides by 7.
7x
7
=
15
7
x=
15
7
Jim had €80 he spent 0.3 of it how much did he spend?
Answer:
€24
Step-by-step explanation:
If he had €80 and spent 0.3 of it, he spent 30% or 30/100 of it.
€80*[tex]\frac{30}{100}[/tex] = €80*[tex]\frac{3}{10}[/tex] = €24.
Please mark as brainliest!
im just trynna see if im correct but this is urgentt
Answer:
dont have question
Step-by-step explanation:
Answer:
161.557- so the second one
Step-by-step explanation:
- Solve the equation. (1 point)
3(x-7) – x=2x-21
07
0-2
O infinitely many solutions
Ono solution
Answer:
3(x-7) – x=2x-21 ( the equation)
--> infinitely many solutions
Step-by-step explanation:
The solution of the equation is infinitely many solutions, the correct option is C.
What is a linear equation?In mathematics, a set of simultaneous equations, also known as a system of equations or an equation system, is a finite set of equations for which common solutions are sought.
A linear equation is an equation that has the variable of the highest power of 1. The standard form of a linear equation is of the form Ax + B = 0.
We are given that;
Equation 3(x-7) – x=2x-21
Now,
To solve the equation, we need to simplify both sides and isolate x. We can do this by following these steps:
3(x-7) – x = 2x - 21 Expand the parentheses by multiplying 3 with x and -7:
3x - 21 - x = 2x - 21 Combine like terms on the left side by subtracting x from 3x:
2x - 21 = 2x - 21 Subtract 2x from both sides to eliminate x:
-21 = -21 This equation is always true, regardless of the value of x. This means that the equation has infinitely many solutions. Any value of x will satisfy the equation
Therefore, the answer of the given equation will be infinitely many solutions
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whats the value of x in the triangle 9 3
Answer:
X = 9.4868
Step-by-step explanation:
Use the pythagorean theorem
a squared plus b squared equals c squared
in this case c equals x
A&b are the side and base length of a right triangle
Which quadratic equation has no real roots? Choose exactly two answers that are correct. Question 12 options: –x2 2x – 6 = 0 –2x2 3x 4 = 0 2x2 x – 6 = 0 2x2 – x 3 = 0.
The quadratic equations that have real roots are [tex]-2x^2+3x+4 = 0[/tex] and [tex]2x^2+x-6 = 0[/tex].
What is the discriminant of a quadratic equation?The value of a discriminant of a quadratic equation shows how many roots f(x) have. If the value of the discriminant is greater than 0 then the quadratic equation has real and distinct roots and if the value of the discriminant is equal to 0, then the quadratic equation has real and same roots. In case the value of the discriminant is less than zero then the quadratic equation will have no real roots.
In order to know if the quadratic equation has real roots or not, we need to find the discriminant of the given quadratic equations,
A.) [tex]-x^2+2x -6 = 0[/tex]
Here, a= -1, b=2 and c=-6
[tex]D = b^2 -4ac[/tex]
[tex]D = 4 -24\\D = -20[/tex]
As the value of the discriminant is negative it will not have real roots.
B.) [tex]-2x^2+3x+4 = 0[/tex]
Here, a= -2, b=3 and c=4
[tex]D = b^2 -4ac[/tex]
[tex]D = 9 +32\\D = 41[/tex]
As the value of the discriminant is positive it will have real roots.
C.) [tex]2x^2+x-6 = 0[/tex]
Here, a=2, b=1 and c=-6
[tex]D = b^2 -4ac[/tex]
[tex]D = 1 +48\\D =49[/tex]
As the value of the discriminant is positive it will have real roots.
A.) [tex]2x^2 -x+3 = 0[/tex]
Here, a=2, b=-1 and c=3
[tex]D = b^2 -4ac[/tex]
[tex]D = 1-24\\D = -23[/tex]
As the value of the discriminant is negative it will not have real roots.
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please help me I have tried and I'm so confused i don't know why- (due in 10 minutes)
Answer:
B
C
A
D
E
Step-by-step explanation:
i know this is due in 10 mins so i didnt want to waste time aha
but ill gladly give an explanation later
Answer:
See below.
Step-by-step explanation:
A) a⁴ => Some number to the power of four
B) y - 4 => Four less than an unknown number
C) z / 4 => Quotient of a variable and four
D) 4x => Four times an unknown value
E) b + 4 => Four more than some number
Lydia got her learners permit and helped her parents drive to her grandparent's house and back. It took one hour less time to get there than it did to get back. The average speed on the trip there was 60 km/hour. The average speed on the way back was 40 km/hour. How many hours did the trip there take?
Select the correct response:
2 hours
3 hours
5 hours
4 hours
Using the relation between velocity, distance and time, it is found that the trip took 2 hours.
What is the relation between velocity, distance and time?Velocity is distance divided by time, that is:
[tex]v = \frac{d}{t}[/tex]
On the first part of the trip, a time of t was taken, with an average speed of 60 km/hour, hence:
[tex]60 = \frac{d}{t}[/tex]
d = 60t
On the second part, a time of t + 1 was taken, with an average speed of 40 km/hour, hence:
[tex]40 = \frac{d}{t+1}[/tex]
d = 40(t + 1).
Since the distance is equal for both parts, we can equal the equations and find the time.
60t = 40t + 40
20t = 40
t = 2.
The trip took 2 hours.
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What is the Measure of ZADB?
A
(3x + 9)
B
(2x - 4)^
D
с
Answer:
60
Step-by-step explanation:
m(ADB) + m(BDC) = 90°
(3x+9) + (2x -4) = 90°
5x + 5 = 90°
5x = 85
5x/5 = 85/5
x = 17
m(ADB) = 3x + 9
3.17 + 9 = 51 + 9 = 60
Hope this helps ^-^
Answer: 60°
Step-by-step explanation:
Looking at the figure, we know that the angles add up to 90°. We add both equations and solve for x.
3x+9+2x-4=90 [combine like terms]
5x+5=90 [subtract both sides by 5]
5x=85 [divide both sides by 5]
x=17
Now that we know x, we can plug it into ADB to find the angle.
3(17)+9 [multiply]
51+9 [add]
60
Now, we know that ADB is 60°.
What is the approximate volume of the cylinder
A 324 cm3
B 452.16 cm3
C 734.76 cm3
D 1, 017.36 cm3
Answer:
B 452.16 cm^3
Step-by-step explanation:
the volume of the cylinder is 16π x 9, and if we replace π with 3.14, the answer will be 452.16 cm^3
Step-by-step explanation:
[tex]v = \pi \: r {}^{2} h[/tex]
v = ?
r = 4 cm
h = 9 cm
[tex]v = \frac{22}{7} \times 4 {}^{2} \times 9[/tex]
[tex]v = \frac{22}{7} \times 16 \times 9[/tex]
[tex]v = \frac{3168}{7} [/tex]
[tex]v = 452.57 \: cm {}^{3} [/tex]
if this helped pls give brainliest
Dalton is saving up money to buy a car. He deposits $10 in his savings account the 1st month. Each month after that, he deposits $5 more than the amount he deposited the previous month. Thus, Dalton's deposit is $15 the 2nd month, $20 the 3rd month, and so on. He makes his final deposit of $95 the 18th month . How much money does Dalton have in his account after these 18 deposits ?
Two people, Adam and Bianca, are competing to see who can save the most money in one month. Adam starts the month with $3 and then saves an additional $3 each day.
Bianca's savings can be seen in the table below.
Answer:
What is the question?
Step-by-step explanation:
You did not attach a file, and all you posted was a statement, not a question. Please edit the question or I cannot help. Sorry......
I climb half the steps in a staircase. Next, I climb one-third of the remaining steps. Then I climb one-eight of the rest and stop to catch my breath. What is the least possible number of steps in the staircase?
Given parameters:
First sets of staircase = [tex]\frac{1}{2}[/tex]
Next sets = [tex]\frac{1}{3}[/tex]
Third sets = [tex]\frac{1}{8}[/tex]
Unknown:
The least possible number of steps =?
Solution:
The least possible number of steps will be the lowest common multiples of these sets of steps.
We want fractions that will give whole numbers because realistically, one cannot take half a step of a step.
So, the number of steps must be a multiple of denominators of the fractions given.
Denominators are 2 , 3 and 8
Their least common multiple is 24;
This the lowest number by which 2, 3 and 8 can all divide.
So, the least number is 24 steps
Carter deposits $200 into a new savings account that pays 6% simple interest annually. Reese deposits $200 into a new savings account that pays 6% interest compounded annually. If both Carter and
Reese leave their $200 deposit in their accounts for 6 years, how much more will Reese's deposit eam in interest than Carters deposit
Explain all steps taken to solve the problem
Answer:
ok bet
Step-by-step explanation:
how would u like me to answer it pls
Find the value of x
hurryyyyyyyyyyyyyyyyyyyy
Answer:
x = 2
Step-by-step explanation:
By the property of intersecting chords.
BE*ED = AE*EC
[tex] \implies \: x(3x) = 4(3) \\ \\ \implies \:3 {x}^{2} = 12 \\ \\ \implies \: {x}^{2} = \frac{12}{3} \\ \\ \implies \: {x}^{2} = 4 \\ \\ \implies \:x = \pm \sqrt{4} \\ \\ \implies \:x = \pm \: 2 \\ x \: can \: not \: be \: negative \\ \\ \implies \:x = 2[/tex]
Find the equation of the line passing through the points (4,5) and (-6,15)
Answer:
y = − x + 9
Step-by-step explanation:
Plz Mark brainliest!
Answer:
The answer would be y=-x+9
Step-by-step explanation:
Fill in - and then 9
"Important put in negative symbol without 1 just negative symbol".
Ingredients for 10 pancakes
Your answer would be ten times the ingredients it would take to make ONE pancake.
What kind of question is this?
How were the Cherokee impacted by European settlement? Why did hostilities
escalate? Pls help!!
Answer:
Cherokees were forced to leave their homes. There are usually peaceful, but this angered them, so naturally, they fought back and that's why the hostilities escalated.
Step-by-step explanation:
If you multiply a number by 3 and then subtract 5, you will get 40 what is the number
Answer:
Number = 15.
Step-by-step explanation:
Given : If you multiply a number by 3 and then subtract 5, you will get 40.
To find : what is the number.
Solution : We have given if you multiply a number by 3 and then subtract 5, you will get 40.
According to question :
Let the number = x
Multiply is with 3 = 3x
Subtract 5 from it we get 40 .
3x -5 = 40
On adding both sides by 5
3x = 45 .
On dividing both sides by 3
x = 15.
Therefore, Number = 15.
Answer:
15
Step-by-step explanation:
3×y-5=40
3y-5=40
3y=40+5
3y=45
y=45÷3
y=15