Answer:
2
Step-by-step explanation:
2x+2(x-2)=4
2x+2x-4=4
4x=4+4
4x=8
X=8÷4
X=2
1. Emma Lee needs a new road bike. The sale price is 10% lower than the original price. The sale price is $450. Write and evaluate an expression for the original price. Uses for sale price and p for original price.
100-10=90%=SP
[tex]\\ \sf\longmapsto 90\%\times x=450[/tex]
[tex]\\ \sf\longmapsto \dfrac{90}{100}x=450[/tex]
[tex]\\ \sf\longmapsto x=450\times \dfrac{100}{90}[/tex]
[tex]\\ \sf\longmapsto x=5(100)[/tex]
[tex]\\ \sf\longmapsto CP=500[/tex]
WILL MARK BRAINLIEST !!! HELP !!! determine the value of x and y that would make a parallelogram 3x-1
Answer:
x=4, y=3.
Step-by-step explanation:
Solving for x,
⟿ 3x-1=11
⟿ 3x=11+1
⟿ 3x=12
⟿ x=12/3
⟿ x=4.
Solving for y,
⟿ 5y=15
⟿ y=15/5
⟿ y=3.
Therefore, x=4 and y=3.
help me I need please
[tex] \sqrt{ {x}^{2} - 4 } \times \sqrt{x {}^{2} - 9} [/tex]
Step-by-step explanation:
SEE THE IMAGE FOR SOLUTION ..
Step-by-step explanation:
[tex]thank \: you[/tex]
At a supermarket, John spent of his money on fresh fruits and vegetables, on meat products, and on bakery products. If he spent the remaining $6 on candy, how much did John spend at the supermarke
Answer:
Question is incomplete
Step-by-step explanation:
So can't understand try adding again
Y'ALL PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!
Complete the two-column proof below. The ‘reasons’ are already given, so only the mathematical ‘statements’ need to be completed.
Show how you got your answers I can see if it makes sense!!!
Functions (solid) and g(dash) are graphed. What is the equation of g?
Answer:
please give me brillriant answer
Recall that in Linear Functions, we wrote the equation for a linear function from a graph. Now we can extend what we know about graphing linear functions to analyze graphs a little more closely. Begin by taking a look at Figure 8. We can see right away that the graph crosses the y-axis at the point (0, 4) so this is the y-intercept.
Find the surface area of the cylinder. Round your answer to the nearest hundredth. (12 in, 2 in)
Answer:
300 in^2
Step-by-step explanation:
6^2 π = 36π
36π * 2 = 72π
12π * 2 = 24π
72π + 24π = 96π
96π = 301.5928947.... ≈ 300 in^2
one-third of the sum of a number and 4 in algebra
8/15 divided by -0.35 as fraction
Hi, I'm happy to help!
To solve this problem, we can turn -0.35 into an equivalent fraction.
[tex]\frac{8}{15}[/tex]÷[tex]\frac{-0.35}{1}[/tex]
For division, I like to use the strategy called KFC. This stand for Keep, flip, and change. You keep the first fraction, flip the second, and change the operation.
[tex]\frac{8}{15}[/tex]×[tex]\frac{1}{-0.35}[/tex]
Now we multiply the top by the top and the bottom by the bottom.
[tex]\frac{8}{-5.25}[/tex]
We know that the negative applies to the entire fraction, so we write it like this:
-[tex]\frac{8}{5.25}[/tex]
I hope this was helpful, keep learning! :D
express rational number in standard form: -216/144
Answer:
[tex] \frac{ - 3}{2} [/tex]Step-by-step explanation:
[tex] \frac{ - 216}{144} \\ \\ = \frac{ - 3}{2} [/tex]
Hope it is helpful....\sqrt{3^{2} - 4^{2} } CAN YOU SOLVE THIS.
Answer:
√-7
Step-by-step explanation:
√(3² - 4²)
=> √(9 - 16)
=> √-7
11. The rectangle has a width of 8 in, a length of x-5 in, and an area of 16 inSolve
for x. Hint: label the figure.
Answer:
X=7
Step-by-step explanation:
refer to picture for explnation
Prove this
sinx/cosecx-cotx = 1+cosx
Answer:
= sin x
1
−
cos
x
(
1
+
cos
x
1
+
cos
x
)
-multiply by the conjugate
=
sin
x
+
sin
x
cos
x
1
−
cos
2
x
-distribute
=
sin
x
sin
2
x
+
sin
x
cos
x
sin
2
x
-use property
sin
2
x
+
cos
2
x
=
1
=
1
sin
x
+
cos
x
sin
x
-simply
=
csc
x
+
cot
x
=
Right Hand Side
Step-by-step explanation:
( a+b) ^2-a^2+b^2
kkkkkkkkkkkkkkk
Answer:
It is assumed the question is asking to simplify or factorize:
(a + b)² - a² + b² = a² + 2ab + b² - a² + b² = 2b² + 2abThis is simplified expression.
Factorizing as follows:
2b² + 2ab = 2b(a + b)Step-by-step explanation:
[tex](a + b) {}^{2} - {a}^{2} + b {}^{2} [/tex]
a² + 2ab + b² - a² + b²
Cancelling a²
2ab + b² + b²
2ab + 2b²
Taking 2 and b as common
2b(a + b)
To take a taxi it costs $3.00 plus an additional $2.00 per mile traveled.You Spent exactly $20 on a taxi which includes the $1 tip you left.
How many miles did you travel?
=======================================================
Work Shown:
x = number of miles
2x = cost of traveling x miles, at $2 per mile, without including the $3 fee
2x+3 = total cost now including the $3 entrance fee, without tip
2x+3+1 = total cost plus $1 tip
2x+4 = amount you spent
2x+4 = 20
2x = 20-4
2x = 16
x = 16/2
x = 8
You traveled 8 miles.
Hey there! I'm happy to help!
Let's represent the number of miles traveled with the variable m.
We see that it will cost $2 for every mile, so for if we drive 8 miles, it will cost $16, 9 will be $18, and so forth. So the relationship is that the cost will be double the money, so what we have here is 2×m. In algebra, you can simply write variable multiplication as just putting the numbers next to each other, so 2m will be that part of the equation.
We see that the initial cost of the taxi is $3.
3
We are going to be adding our $2 per mile to this amount (2m).
3+2m
And we will add our $1 tip.
3+2m+1
And this is equal to $20.
3+2m+1=20
We can combine the 3 and the 1 to give us 4.
4+2m=20
So, we see that 2m+4 is equal to 20. If we subtract that four from 20, we will see that 2m is equal to 16.
We remember that our cost from mileage is double the miles, so if 16 is double something, we just divide by two!
16/2=8
So, this means that we traveled 8 miles!
Have a wonderful day and keep on learning! :D
I need with this math question
Answer:
h(-2) = 224
Step-by-step explanation:
4x+8=3x+14
please put break it down how you did it
B={the first five multiple of 2}. Express it in roster method and rewrite in set builder method?
Answer:
B (2,4,6,8,10) is the answer
B=(X:X is the first five multipel of 2)
this is a correct answer
A cylinder has a base area of 154 cm² and a height of 20cm. What is its total surface area, in cm?? Use, 22/7
A.1188
B.1200
C.1220
D.1224
Answer:
Hi there!
We've given with the base area and height. We know the formula for base area
Base area = πr²
154 = 22/7 × r²
154 × 7/22 = r²
49 = r²
√49 = r
7 = r
Now
TSA = 2πr(h + r)
TSA = 2 × 22/7 × 7(7 + 20)
TSA = 44(27)
TSA = 1188 cm²
Evaluate (3.4 x 10^)(4.5 x 103). Write your
answer in scientific notation.
Answer:
153*10^3
Step-by-step explanation:
I assumed the first exponential number as 1
[tex]\huge\text{Hey there!}[/tex]
[tex]\huge\boxed{\mathsf{(3.4 \times 10^4)(4.5 \times 10^3)}}\\\huge\boxed{\mathsf{\rightarrow 3.4\times10^4 \times 4.5 \times 10^3}}[/tex]
[tex]\huge\boxed{\mathsf{10^4}}\\\huge\boxed{= 10\times10\times10\times10}\\\huge\boxed{= 100\times100}\\\huge\boxed{= 10,000}\\\\\\\huge\boxed{\mathsf{10^3}}\\\huge\boxed{=10\times10\times10}\\\huge\boxed{= 100\times10}\\\huge\boxed{= 1,000}[/tex]
[tex]\huge\boxed{\rightarrow\mathsf{3.4\times \bold{10,000} \times 4.5 \times \bold{1,000}}}}[/tex]
[tex]\huge\boxed{\mathsf{3.4\times10,000}}\\\huge\boxed{= 34,000}\\\\\\\huge\boxed{\mathsf{4.5\times1,000}}\\\huge\boxed{{= 4,500}}}[/tex]
[tex]\huge\boxed{\mathsf{\rightarrow\bf 34,000\times4,500}}\\\huge\boxed{\rightarrow\mathsf{ORIGINAL \ ANSWER: \frak {153,000,000}}}}[/tex]
[tex]\huge\boxed{\textsf{Your answer: }\mathsf{153\times10^6}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
~[tex]\huge\boxed{\frak{Amphitrite1040:)}}[/tex]
can someone help please?
Answer: x=85 and the equation is at the step by step
Step-by-step explanation:
150 + 77 + 48 = 275
360 - 275 = 85 = x
Is 33/3 a natural,whole,integer,rational
Answer:
Rational number . . . . . .
Find the slope of the line through points (4, 6) and (-6,2).
Answer: Slope = 2/5
Concept:
Here, we need to know how to find the slope.
Slope = (y₂ - y₁) / (x₂ - x₁)
If you are still confused, please refer to the attachment below for a clearer version of the formula
Solve:
Given information
(x₁, y₁) = (-6, 2)
(x₂, y₂) = (4, 6)
Given formula
Slope = (y₂ - y₁) / (x₂ - x₁)
Substitute values into the formula
Slope = (6 - 2) / (4 - (-6))
Simplify values in the parentheses
REMEMBER to change [+, -] signs when there is a [-] sign in front
Slope = 4 / (4 + 6)
Slope = 4 / 10
Divide both numerator and denominator by 2 to get the simplest form
Slope = (4 ÷ 2) / (10 ÷ 2)
Slope = 2/5
Hope this helps!! :)
Please let me know if you have any questions
can someone helpp me
find the degree of polynomial of x
.5x² - 30124 +2y ²
Answer:
2Step-by-step explanation:
Here,
5x² - 30124 +2y ²
The degree of x in the polynomial as shown to have been underlined having degree as 2 (Ans)
5
What is the lowest value of the range of the function
shown on the graph?
Ν
4
200
3
2
Ο Ο Ο Ο
2 3 4 5 x
-5 -4 -3 -2 -11
-2+
-3
4
-5
Answer:
your answer is -5-4-3-2-11
Step-by-step explanation:
this is because -5-4-3-2-11=-26, and that is the lowest term there
can someone help me please?
[tex]\\ \sf\longmapsto \dfrac{2}{4}[/tex]
[tex]\\ \sf\longmapsto \dfrac{1}{2}[/tex]
[tex]\\ \sf\longmapsto \dfrac{1(5)}{2(5)}[/tex]
[tex]\\ \sf\longmapsto \dfrac{5}{10}[/tex]
[tex]\\ \sf\longmapsto 0.5[/tex]
#2
[tex]\\ \sf\longmapsto \dfrac{3}{4}[/tex]
[tex]\\ \sf\longmapsto \dfrac{3(25)}{4(25)}[/tex]
[tex]\\ \sf\longmapsto \dfrac{75}{100}[/tex]
[tex]\\ \sf\longmapsto 0.75[/tex]
#3
[tex]\\ \sf\longmapsto \dfrac{7}{8}[/tex]
[tex]\\ \sf\longmapsto \dfrac{7(125)}{8(125)}[/tex]
[tex]\\ \sf\longmapsto \dfrac{875}{1000}[/tex]
[tex]\\ \sf\longmapsto 0.875[/tex]
#3
[tex]\\ \sf\longmapsto \dfrac{3}{8}[/tex]
[tex]\\ \sf\longmapsto \dfrac{3(125)}{8(125)}[/tex]
[tex]\\ \sf\longmapsto \dfrac{375}{1000}[/tex]
[tex]\\ \sf\longmapsto 0.375[/tex]
) Kim made $157.50
for 7 hours of
babysitting. What is
her hourly pay?
Answer:
$22.50 I believe...
Step-by-step explanation:
157.50 divided by 7
??
Answer:
$22.50 per hour
Step-by-step explanation:
157.50 = 7x
157.50 / 7 = 22.5
22.5/hour
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Kelly works two jobs. She usually works at a retail store for eight hours during the day and is paid $15.23 per hour by the store. In the evening she works at a restaurant as a manager for 8 hours and is paid $24.50 per hour. How much does she make on average per hour for the day?
Answer:
Kelly makes about $19.87 per hour for the day.
Step-by-step explanation:
Solve for retail store:
15.23 × 8
121.84
Solve for restaurant:
24.50 × 8
196
Add both of her paychecks:
121.84 + 196
317.84
Divide the total by the total number of hours to find the average per hour:
317.84 ÷ 16
19.865
Round to nearest cent:
19.865 is about 19.87
help i hate maths its just HARD FOR MEEE
Answer:
Step-by-step explanation:
[tex]U=\{1,2,3,4,5,6,7,8,9,10\}\\\\P=\{2,4,6,8,10\}\\\overline{P}=\{1,3,5,7,9\}\\\\Q=\{2,3,5,7\}\\\overline{Q}=\{1,4,6,8,9,10\}\\\\P\ \cap\ Q=\{2\}\\P\ \cup\ Q=\{2,3,4,5,6,7,8,10\}\\\\\overline{P\ \cup\ Q}=\{1,9\}\\\\\overline{P}\ \cap\ \overline{Q}=\{1,3,5,7,9\}\ \cap\ \{1,4,6,8,9,10\}=\{1,9\}[/tex]