Answer:
Step-by-step explanation:
A reflection over the x-axis changes all the y-values. The reflection is modeled as -f(x)
For example:
[tex]\sqrt{x}[/tex] would look like --[tex]\sqrt{x}[/tex] .
If the negative sign is outside of the bracket ( what it's called sorry), then it is a reflection over the x-axis
However if the negative sign was inside the bracket: [tex]\sqrt{-x}[/tex] then this would be a reflection over the y axis.
Hope this helps!
A number is 6 times another number and their sum is 28.what are the two numbers
Answer: Let the 2 numbers be x and
sum of two numbers is 28....Eq 1: x + y = 28
sum of 6 times the 1st number and 3 times the 2nd number is 105....Eq 2: 6x + 3y = 105
Rearrange Eq 1 to solve for x.
x + y = 28
x = 28 - y --> Substitute into Eq 2, you get
6(28 - y) + 3y = 105
168 - 6y + 3y = 105
-3y = -63
y = -63 / -3 = 21
Now solve for x using Eq 1.
x = 28 - y = 28 - 21 = 7
hope it helped
Step-by-step explanation:
The coordinates of point J are (-7, 2), and the midpoint of JK is at L (3, 5). What are the coordinates of point K?
The required coordinate of the point K is (13, 8).
Given that,
The coordinates of point J are (-7, 2), and the midpoint of JK is at L (3, 5), the coordinates of point K is to be determined.
Coordinate, is represented as the values on x-axis and y-axis of the graph.
here,
The coordinate of the midpoint (x, y) is given as,
x = (x₁ + x₂)/2 ; y = (y₁ + y₂)/2
Substitute the value in the above equation,
3 = (-7 + x₂)/2 ; 5 = (2 + y₂)/2
x₂ = 13 ; y₂ = 8
Thus, the required coordinate of point K is (13, 8).
Learn more about coordinate here:
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Help!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
x = 32
Step-by-step explanation:
The angle above 72° is 108° because they are supplementary angles, meaning they add up to 180°. Then we can set the equation 108° = (3x + 12)° because they are alternate interior angles, meaning that they are the same. So then we just solve for x.
108 = (3x + 12)
108 - 12 = 3x
96 = 3x
96 / 3 = x
32 = x
what is the distance between each pair of points. round to the nearest hundredth
(-8, -2) and (6, -1)
Answer:
square root of 197
Step-by-step explanation:
What is b^2 x a^1 x e^1 ?
Answer:
b²ae
Step-by-step explanation:
Giving answer branleist
Answer: 67/100
Step-by-step explanation: 0.67 is in the hundredths place not the tenths so it cant be 67/99 its 67/100
6(6v +6) - 5 = 1 + 6v
Need answer with explaination
Answer:
v=-1
Step-by-Step Explanation:
Answer:
[tex]v=-1[/tex]
Step-by-step explanation:
[tex]6\left(6v+6\right)-5=1+6v[/tex]
Use the distributive property to multiply 6 by 6v+6:
[tex]36v+36-5=1+6v[/tex]
Subtract 5 from 36 = 31
[tex]36v+31=1+6v[/tex]
Subtract 6v from both sides:
[tex]36v+31-6v=1[/tex]
Combine like terms:
[tex]36v[/tex] and [tex]-6v[/tex] [tex]=30v[/tex]
[tex]30v+31=1[/tex]
Subtract 31 from both sides:
[tex]30v=-30[/tex]
Divide both sides by 30:
[tex]\cfrac{30v}{30}=\cfrac{-30}{30}[/tex]
[tex]v=-1[/tex]
_________________________
find the values of x and y
[tex]\:\:\:\:\:\:\:\:\:\:\therefore\bf{x=3\:and\:y=1}[/tex]
Solution
[tex]\:\:\:\bf{(2^{x+y},\:3^{x-y})=(16,9)}[/tex]
[tex]\sf{Here,}[/tex]
[tex]\:\:\:\star\tt{\:\:2^{x+y}=16\:and\:3^{x-y}=9}[/tex]
[tex]\sf{Solving,}[/tex]
[tex]\:\:\:\implies\tt{\:\:2^{x+y}=16}[/tex]
[tex]\:\:\:\implies\tt{\:\:2^{x+y}=2^4}[/tex]
[tex]\:\:\:\implies\tt{\:\:x+y=4}[/tex]
[tex]\:\:\:\bf{\:\:x=4-y-----(i)}[/tex]
[tex]\sf{Solving,}[/tex]
[tex]\:\:\:\implies\tt{\:\:3^{x-y}=9}[/tex]
[tex]\:\:\:\implies\tt{\:\:3^{x-y}=3^2}[/tex]
[tex]\:\:\:\bf{\:\:x-y=2-----(ii)}[/tex]
[tex]\sf{Putting\:the\:value\:of\:(i)\:in\:(ii),}[/tex]
[tex]\:\:\:\implies\tt{\:\:4-y-y=2}[/tex]
[tex]\:\:\:\implies\tt{\:\:4-2y=2}[/tex]
[tex]\:\:\:\implies\tt{\:\:-2y=2-4}[/tex]
[tex]\:\:\:\implies\tt{\:\:\cancel{-}2y=\cancel{-}2}[/tex]
[tex]\:\:\:\implies\tt{\:\:y=\frac{\cancel{2}}{\cancel{2}}}[/tex]
[tex]\:\:\:\bf{\:\:y = 1}[/tex]
[tex]\sf{Putting\:y = 1\:in\:(i),}[/tex]
[tex]\:\:\:\implies\tt{\:\:x=4-1}[/tex]
[tex]\:\:\:\bf{\:\:x = 3}[/tex]
[tex]\:\:[/tex]
HOW DO YOU EQUAL THIS 12?? IVE TRIED EVERYTHING PLEASE EXPLAIN!!!!
Answer:
green= 7
purple=5
Step-by-step explanation:
we already know the trapezoid is 5 so 12-5=7
then since we know the green cresent is seven do 12- 7= purple = 5
Hope this helps
2 root 5 times by 5 root 5
Answer:
100000
Step-by-step explanation:
I believe you mean Exponent, not roots.
2^5 x 5^5.
1) Evaluate your Exponent
(2x2x2x2x2) x (5x5x5x5x5)
2) Multiply
32 x 3125
3) Solution
100000
Someone please help me! Will mark brainliest!
Answer:
F
(
x
)
=
−
x
2
−
3
x
+
C
Step-by-step explanation:
pls help me with this:((((
solve the inequality. 1/2x > 7
Answer:
x>14
Step-by-step explanation:
Answer:
[tex] \frac{1}{2} x > 7[/tex]
[tex]x > 7 \div \frac{1}{2} [/tex]
[tex]x > 7 \times 2[/tex]
[tex]x > 14[/tex]
You invested a total of $8000 in 2 funds earning 7% and 9% simple interest. During 1 year,
the 2 funds earned a total of $600 in interest. How much did you invest in each fund?
Answer 200 for 9 and 125 for 7
Step-by-step explanation:
Answer:$17,000 invested into the 8% fund
$8,000 invested into the 8.5% fund
Step-by-step explanation:
mark is having a birthday party he included 15(and himself) He wants two cupcakes per person. Only 7 people came to the party. Write an equation for the problem and solve home many cupcakes each person will get.
Answer:
2 for each
Step-by-step explanation:
i think
Plot each pair of points in the Cartesian plane and solve for the distance between them. Write your answer on a separate one whole graph paper. ( 15 points) 1. A(0,8) and B(5,5) 2. C(3, 1) and D(0,-2) 3. EC -6,3) and F(-6,-2)
Answer:
hame naghi ahta
Step-by-step explanation:
6. Which of the following is equivalent to the expression
16x-24
4x-6
when x +1.5?
(1 point)
b. 2x-3
a. 2
4x - 6
2x-3
c.
e.
d. 4
2x-3
Answer:
the answer is D
Step-by-step explanation:
i hope it's help
does anyone know how to solve this math problem?
A waiter earns $6 per hour plus tips of 15% of the restaurant tab from each table served . What total amount of restaurant tabs assures the waiter of making at least $350 in a 5 hour shift ?
Answer:
$2133.33Step-by-step explanation:
Given:
Rate per hour = $6Number of hours = 5Tips = 15%Lets the total amount of tabs = t
We have inequality:
6*5 + 0.15t ≥ 35030 + 0.15t ≥ 3500.15t ≥ 320t ≥ 320/0.15t ≥ 2133.33The length and width of a rectangle are two consecutive integers. The perimeter of the rectangle is 26. what is the length and the width? :)
Answer:
Width = 6
Length = 7
Step-by-step explanation:
Consecutive integers: x and x+1
2x + 2(x+1) = 26
2x +2x + 2 = 26
4x = 26 - 2
x = 24/4
x = 6
4x+5>x+3+3x
Solve for x
Answer:
Maybe 16
Step-by-step explanation:
Trey is buying a computer on
sale. The origina Price was
4200. If the sale price is 5/6 of
the original Price . How much did
trey pay for the computer?
Answer:
3500
Step-by-step explanation:
To find a fraction of something just keep in mind that "of" means to multiply (when dealing with fractions and percents). In this case we want to know what 5/6 of 4200 is. So do (5/6)*4200 and that equal 3500.
factorize:
x²+3x-4
3x²+5x+2
6x² + 11x + 4
x²-3x +2
x²+3x-40
Answer:
1. (x-1) (x+4)
2. (3x+2) (x+1)
3. (3x+4) (2x+1)
4. (x-1) (x-2)
5. (x-5) (x+8)
10 feet for $7.00
20 feet for $13.00
50 feet for $28.00
100 feet for $57.50
Your boss sends you to the hardware store to buy tie down rope. He tells you to buy the best deal. What is the savings per unit between the best deal and worst deal?
A) $50.00
B) $25.00
C) 5 cents
D) 14 cents
Answer:
D. 14 cents
Step-by-step explanation:
At 10 feet for $7, that is 70 cents for every foot
At 20 feet for $13, that is 65 cents for every foot
At 50 feet for $28, that is 56 cents for every foot
At 100 feet for $57.50, that is 58 cents (rounded) for every foot
The best deal is 50 feet at 56 cents
The worst deal is 10 feet at 70 cents
So we do 70 - 56 = 14
So the answer is the savings per unit between the best deal and worst deal is 14 cents
Please, please help!!
Emerson purchased a game that was on sale for 18% off. The sales tax in his county is 8%. Let y represent the original price of the game. Write an expression that can be used to determine the final cost of the game.
Using decimal multipliers, it is found that the expression that can be used to determine the final cost of the game is given by:
[tex]C = 0.8856y[/tex]Decimal multipliers:The equivalent multiplier for an increase of a% is given by: [tex]\frac{100 + a}{100}[/tex]The equivalent multiplier for an decrease of a% is given by: [tex]\frac{100 - a}{100}[/tex]In this problem:
Purchase for 18% off, hence decrease of 18%, that is, [tex]\frac{100 - 18}{100} = 0.82[/tex].Sales tax of 8%, hence, an increase of 8%, that is, [tex]\frac{100 + 8}{100} = 1.08[/tex].Applying both multipliers, the expression is:
[tex]C = y(0.82)(1.08) = 0.8856y[/tex]
To learn more about decimal multipliers, you can take a look at https://brainly.com/question/19808269
please can somebody help me? I need to do this but i dont know how to
Answer:
n = 3.16 units; p = 5 units
Step-by-step explanation:
to find the length of the lines you need to use the pythagorean theorem or a^2 + b^2 = c^2
in this case a is x, b is y, and c is the length
so for n it is:
1^2 + 3^2 = c^2 -->
1 + 9 = c^2 -->
10 = c^2
c = 3.16227766 or about 3.16 (this is n's length)
for p it is:
3^2 + 4^2 = c^2 -->
9 + 16 = c^2 -->
25 = c^2 -->
c = 5 (this is p's length)
what does a dilation preserve?
Answer: Dilations preserve angle measure, betweenness of points and collinearity.
Step-by-step explanation: Dilations preserve angle measure, betweenness of points and collinearity. It does not preserve distance. Simply, dilations always produce similar figures .
Okay which fraction is equal to 0.370?
It should be B) because it the closest.
[tex]Let \: \: \: \: x = 0.370370.... \\ therefore \: \: \: x \: = 0.370370... \\ = > 1000x = 370.370370... \\ = > 1000x - x = 370.370370... - 0.370370... \\ = > 999x = 370 \\ = > x = \frac{370}{999} [/tex]
Answer:B)
[tex] \frac{370}{999} [/tex]
Hope it helps
Somebody help me please
Answer:
Step-by-step explanation:
perpendicular line for y=-3x+17 that passes through point (2,6)
Answer:
Step-by-step explanation:
Answer:
The answer is y = - 1/3x + 6.6
Pleas Help!!! I keep getting scammed!!!
Evaluate the expression for the given values of the variables.
(n + 5)2 for n = −7
When n = −7, the expression is equal to...
-4
Step-by-step explanation:
(n + 5)2 for n = -7
= (-7 + 5)2
= (-2)2
= -4
Another way :
(n + 5)2
= 2n + 10
= 2(-7) + 10
= -14 + 10
= -4