Draw the graphs of 2x+y=6 and 2x-y +2=0.shade the region bounded by these 2 lines and x-axis
Answer: see graph
Step-by-step explanation:
Rewrite each equation in y = mx + b. Then plot the y-intercept (b) and count rise over run (m) to plot the next point. Draw a line through the points.
2x + y = 6 --> y = -2x + 6 --> m = -2, b = 6
2x - y + 2= 0 --> y = -2x +2 --> m = -2, b = 2
Shade the area between the intersection of those two lines and the x-axis.
Factor out the GCF: 35n + 28
Answer:
Hey there!
The GCF of these terms is 7.
Thus, our answer is 7(5n+4).
Let me know if this helps :)
if bob has $23.6 and a guy stole $05.7 how much money does bob have?
Answer:
He has $17.9 now
[tex]4\sqrt{3} * 2\sqrt{3}[/tex]
Answer: 24
Step-by-step explanation:
Answer:
12.89
Step-by-step explanation:
use a calculator
4639 nearest thousand please answer fast
I don't know but I'll tell you as soon as I find out
Answer: 5000
Step-by-step explanation:
Use the number line below, where RS = 9y +5, ST = 5y + 6, and RT = 123.
a. What is the value of y?
b. Find RS and ST.
Answer:
[tex]y=8[/tex]
RS: 77
ST: 46
Step-by-step explanation:
We know that RS and ST together make the line RT. This means the sum of their lengths will be equal to RT.
Since RT is 123, we can create the equation [tex]9y+5+5y+6=123[/tex].
Combining like terms gets us [tex]14y+11=123[/tex]
We can now solve for y by isolating the variable on one side of the equation.
[tex]14y + 11 - 11 = 123-11\\\\14y=112\\\\14y\div14 = 112\div14\\\\y=8[/tex]
Now we know the value of y. We can now substitute this into the expressions for RS and ST to find their values.
RS = [tex]9y+5\\\\(9\cdot8)+5\\\\72+5\\\\77[/tex]
ST = [tex]5y+6\\\\(5\cdot8)+6\\\\40+6\\\\46[/tex]
We can confirm this is correct because [tex]46+77=123[/tex].
Hope this helped!
what is an equation of a line in a point-slope form that passes through (1,-7) and has a slope of -2/3?
Answer:
y+7=[tex]-\frac{2}{3}[/tex](x-1)
Step-by-step explanation:
slope of -2/3, so m=-2/3
point slope form=y-[tex]y_{1}[/tex]=m(x-[tex]x_{1}[/tex])
plug in your slope as well as your x and y values from your point
y-(-7)=(-2/3)(x-1)
y+7=[tex]-\frac{2}{3}[/tex](x-1)
Consider the following.
Answer:
(-8, 7); x + y = 13 → y= -x + 13
parallel lines have the same slope. slope is -1
y = -x + b
7 = -(-8) + b
7 = 8 + b
b = -1
(a) y = -x - 1
perpendicular lines have opposite slopes. slope is 1/2.
y = -1/2x + b
7 = -1/2(-8) + b
7 = 4 + b
b = 3
(b) y = -1/2x + 3
Simplify: 8(20-( (9-5))^2*
Answer:
= 32
Step-by-step explanation:
= 8 [ 20 - { (9-5) }² ]
= 8 [ 20 - { (4) }² ]
= 8 [ 20 - 16 ]
= 8 [ 4 ]
= 32
note:
not sure if your parentheses are in correct position.
Answer:
[tex]\Huge \boxed{32}[/tex]
[tex]\rule[225]{225}{2}[/tex]
Step-by-step explanation:
[tex]8(20-(9-5)^2)[/tex]
Evaluating according to PEMDAS:
[tex]\Rightarrow \ \ 8(20-( 4)^2)[/tex]
[tex]\Rightarrow \ \ 8(20-16)[/tex]
[tex]\Rightarrow \ \ 8 \cdot (4)[/tex]
[tex]\Rightarrow \ \ 32[/tex]
[tex]\rule[225]{225}{2}[/tex]
An office supply company ordered 24 cartons of specialty paper. The regular price for a carton of specialty paper is $6.88. They received a discount of $1.75 off each carton. About how much money will the office supply company need to pay for the paper? Which of the expressions gives a reasonable estimate of the answer?
Answer:
$123.12Step-by-step explanation:
Given that the regular price for the specialty paper is
$6.88 per carton
and the company receives a discount of $1.75 per carton
this means that the company will pay $6.88-$1.75 = $5.13 per carton
To calculate the cost of the supply for 24 cartons we have
24*5.13= $123.12
the cost of the supply is $123.12
alternatively we can also calculate the percentage discount as
Actual cost of 24 cartons= 24*6.88= $165.12
Discount= $6.88-$1.75 = $5.13 per carton
%discount= 1.75/6.88= 0.2543
= 25.43%
The price after discount is
=$165.12*(1-0.2543)
=$165.12*0.7456
= $123.12
Find the largest of the following numbers: [tex]2^{3^4}, 2^{4^3}, 3^{4^2}, 4^{3^2}, 4^{2^3}[/tex]
Answer:
Its would be the second one
Step-by-step explanation:
Because 2x2x2x2 is 16 then 16x16x16 is 4096
Which of the following square roots is best represented by Point A?
A
3
4
Answer:
No clue how to use this app but it says ur in highschool and I'm in middle and stuck on the same problem
Step-by-step explanation:
is 5 a natural whole integer or rational or irrational
Answer:
Rational number
Step-by-step explanation:
Answer:
Rational number
Step-by-step explanation:
which number sentence shows one way to find the sum of 4 and 5
a. 4+5+5= 14
b. 4+4+5= 13
c. 4+4+4= 12
e. 4+4+1= 9
Answer: 4+4+1=9(e)
Step-by-step explanation: because in 4+4+1 .... the 4+1 at the end equals up to 5 so therefore the equation is basically 4+5=9 .
Using the same table from the previous problem: Identify the slope. A). 2/3 B). 3/2 C). -3/2 D). -2/3
Answer:
D)
Step-by-step explanation:
Take any two points
(-6, 8) & (3,2)
[tex]Slope=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\\\=\frac{2-8}{3-[-6]}\\\\\\=\frac{-6}{3+6}\\\\\\=\frac{-6}{9}\\\\\\=\frac{-2}{3}[/tex]
Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s. Radius r Arc Length s 19 feet 7 feet
Answer:
The radian measure of the central angle of the given circle is [tex]\frac{7}{19} rad[/tex]
Step-by-step explanation:
The radian measure of the central angle θ of a circle of radius r that intercepts an arc of length s can be calculated from the formula given below
s =rθ
where s is the length of arc
r is radius of the circle
and θ is the central angle in rad (radian)
From s = rθ, Then
θ = s / r
From the question,
Radius r = 19 feet
and Arc length s = 7 feet
Hence,
θ = s / r becomes
θ = 7 / 19
∴ θ [tex]= \frac{7}{19} rad[/tex]
This means the radian measure of the central angle of the given circle is [tex]\frac{7}{19} rad[/tex]
Draw a diagram. Write the Segment Addition Postulate for the points described. Then solve for missing length.
Answer:
DP=9
Step-by-step explanation:
DS=4
DP=5
DP=DS+DP=4+5=9
DP=9
Please answer ASAP !!
Which statement shows 2, 4,-1, and 0 in order from least to greatest?
A 2<-4<-1 <0
B. 4<2<1<0
C. -4 <-1<0 < 2
D. 2 <0 <-1<4
Answer:
C. -4<-1<0<2
Step-by-step explanation:
Since the bigger the negative, the less it is, and since negatives are less than positives, and 0 is more than a positive and less than a negative, the answer is C.
Which expression is an equivalent expression of 12x + 10 + 4y?
Is there an answer key?
Answer:
2(6x+5+2y)
Step-by-step explanation:
36=4/9d what does d equal
Answer:
d = 81
Step-by-step explanation:
Solve for d:
36 = (4 d)/9
Hint: | Reverse the equality in 36 = (4 d)/9 in order to isolate d to the left hand side.
36 = (4 d)/9 is equivalent to (4 d)/9 = 36:
(4 d)/9 = 36
Hint: | Multiply both sides by a constant to simplify the equation.
Multiply both sides of (4 d)/9 = 36 by 9/4:
(9×4 d)/(4×9) = 9/4×36
Hint: | Express 9/4×4/9 as a single fraction.
9/4×4/9 = (9×4)/(4×9):
(9×4)/(4×9) d = 9/4×36
Hint: | Express 9/4×36 as a single fraction.
9/4×36 = (9×36)/4:
(9×4 d)/(4×9) = (9×36)/4
Hint: | Cancel common terms in the numerator and denominator of (9×4 d)/(4×9).
(9×4 d)/(4×9) = (4×9)/(4×9)×d = d:
d = (9×36)/4
Hint: | In (9×36)/4, divide 36 in the numerator by 4 in the denominator.
36/4 = (4×9)/4 = 9:
d = 9×9
Hint: | Multiply 9 and 9 together.
9×9 = 81:
Answer: d = 81
Answer: d=81
Step-by-step explanation:
Given
36=4/9 d
Divide both sides by 4/9 (division property of equality)
d=36 ÷ (4/9)
Turn division of fraction into multiplication of its reciprocal
d=36 × (9/4)
Simplify
d=81
Hope this helps!! :)
Please let me know if you have any question
Factor by identifying a common factor in each term. help
g) 6xy2 = (3x) (?)
h) 25a3b2 = (5a2b2) (?)
i) 6x + 6y + 6p
Answer:
6xy^2=3x(2y²) common factor 3x
25a³b²=5a²b²(5a)
6x+6y+6p = 6(x+y+p)
The function f(x) = 2.5x + 75 is used to model the cost of renting billboard space depending on the area, in square feet, of the billboard, x, and including a standard layout fee. The mathematical range for the function is the set of real numbers. Which statement describes have a reasonable range differs from the mathematical range A The reasonable range contains only integers. B The reasonable range contains only positive rational numbers. C The reasonable range contains only integers greater than 75. D The reasonable range contains only positive rational numbers greater than 75.
Answer:
D The reasonable range contains only positive rational numbers greater than 75.
Step-by-step explanation:
Given that the function f(x) = 2.5x + 75 is used to model the cost of renting billboard space depending on the area, in square feet, of the billboard, x, and including a standard layout fee.
The f(x) is the range of the function. If the mathematical range for the function is the set of real numbers, the reasonable range will be set of positive real numbers which will therefore greater than 75.
Option D is the correct answer which says;
D The reasonable range contains only positive rational numbers greater than 75.
Answer:
d
Step-by-step explanation:
(4x2y3 + 2xy2 – 2y) – (–7x2y3 + 6xy2 – 2y) i need help solving
Answer:
[tex]\huge \boxed{11x^2 y^3-4xy^2 }[/tex]
Step-by-step explanation:
[tex](4x^2y^3 + 2xy^2 - 2y) - (-7x^2 y^3 + 6xy^2 -2y)[/tex]
Distribute the negative sign to the terms in the bracket.
[tex](4x^2y^3 + 2xy^2 - 2y) +7x^2 y^3 - 6xy^2 +2y[/tex]
Grouping like terms.
[tex](4x^2y^3 +7x^2 y^3) + (2xy^2 - 6xy^2 ) +( - 2y +2y)[/tex]
Combining like terms.
[tex](11x^2 y^3) + (-4xy^2 ) +(0)[/tex]
[tex]11x^2 y^3-4xy^2[/tex]
3 = q/11 i need it real quick
Answer:
[tex]q=33[/tex]
Step-by-step explanation:
So we have:
[tex]3=\frac{q}{11}[/tex]
Multiply both sides by 11:
[tex]11(3)=(11)\frac{q}{11}[/tex]
The right side cancels:
[tex]11(3)=q[/tex]
Multiply the left:
[tex]33=q[/tex]
Thus, the value of q is 33.
Answer:
q = 33
Step-by-step explanation:
3 = q/11 multiply both side by 11
3 * 11 = [tex]\frac{q}{11}[/tex] * 11
33 = q
The cost for b, breakfasts, l, lunches, and d, dinners for a group of people is 6.5b + 9.757 + 17.25d. What is the total cost of 9 breakfasts, 12 lunches, and 14 dinners?
Answer:
417.084
Step-by-step explanation:
9*6.5+12*9.757+14*17.25
58.5+117.084+241.5
⇒417.084
∠A and \angle B∠B are vertical angles. If m\angle A=(3x-30)^{\circ}∠A=(3x−30)
∘
and m\angle B=(2x-9)^{\circ}∠B=(2x−9)
∘
, then find the value of x.
Answer:
[tex]x=21\textdegree[/tex]
Step-by-step explanation:
So we know that:
[tex]\angle A=3x-30 \text{ and}\\\angle B=2x-9[/tex]
And that the two angles are vertical angles.
Since they are vertical angles, their measurements are equivalent. Thus, to find x, set the equations equal to each other:
[tex]\angle A=\angle B\\(3x-30)=(2x-9)[/tex]
Now, solve for x. Add 30 to both sides. The left side cancels:
[tex](3x-30)+30=(2x-9)+30\\3x=2x+21[/tex]
Now, subtract 2x from both sides. The right cancels:
[tex](3x)-2x=(2x+21)-2x\\x=21[/tex]
Thus, the value of x is 21.
On a number line, point C is located at -4 and point D is located at 6. At what point must P be located so that the directed line segment from C to D will be partitioned in a 2:3 ratio?
●-2
●0
●2
●4
Answer:
0 is the answer
Step-by-step explanation:
The position of point P is at 0 on number line.
What is Number line?
Number line is a straight line with numbers placed at equal intervals.
Given that;
Point C is located at -4.
Point D is located at 6.
Now,
Distance between points -4 and 6 is,
6 - (-4) = 6 + 4 = 10
Since, Point P be located so that the directed line segment from C to D will be partitioned in a 2 : 3.
Let partitions are 2x and 3x.
Then,
2x + 3x = 10
5x = 10
x = 2
So, The partitions between point C and D is,
2x = 2 × 2 = 4
3x = 3 × 2 = 6
So, The ratio become = 4 : 6
Thus, Position of point P from C = - 4 + 4 = 0
Position of point P from D = 6 - 6 = 0
So, The position of point P is at 0 on number line.
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Tell whether -3.12345... is greater than, less than or equal to the
negative square root of 7.
Answer: it’s greater than the negative square root of 7
Step-by-step explanation:
The negative square root of 7 is -2.64575131106 hope this helps
Your hourly salary increased from $11 to $23. What is the percent increase in your
salary?
Answer:
109.09090909% increase
Step-by-step explanation:
Take the new amount and subtract the original amount
23-11 = 12
Divide by the original amount
12/11
1.09090909
Change to percent form
109.09090909%
All of the x values or inputs are called what?
Answer:
its called a Domain
Step-by-step explanation:
All of the x-values or inputs are called Domain.
"x-values" is the word used in mathematics and statistics to describe the input values or independent variables in a function or equation.
These x-values stand for a function's inputs, arguments, or the points at which a mathematical connection is being assessed.
The outputs or dependent variables of a function are represented by the appropriate y-values, which are often paired with the associated x-values. The link between the independent and dependent variables can be seen on a graph by plotting the x-values and y-values together as data points.
For example, in the equation y = 2x + 3, "x" represents the x-values or inputs, while "y" represents the corresponding y-values or outputs. By substituting different values for x, you can calculate the corresponding y-values and observe how changes in the x-values affect the relationship described by the equation.
Hence the answer is Domain.
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