(x - 5)2 = 3
2x - 10 = 3
2x -10 + 10 = 3 + 10
2x = 13
2x/2 = 13/2
x = 6.5
Answer: x = 6.5
Hope this helps!!!
Answer:
x = 6.5
Step-by-step explanation:
6.5 - 5 = 1.5
1.5(2) = 3
One day Akash walked 2/3 km from home to school .On his return he took another route which was 3/5 km long .How many km did Akash walk in all?
please answer in steps.
Answer:
Akash walked [tex]1\frac{4}{15}[/tex] kilometers in all.
Step-by-step explanation:
Given that:
Distance covered while walking to school = 2/3 km
Distance covered while walking back = 3/5 km
We will add the distance.
Total distance walked = [tex]\frac{2}{3}+\frac{3}{5}[/tex]
Total distance walked = [tex]\frac{10+9}{15}[/tex]
Total distance walked = [tex]\frac{19}{15}=1\frac{4}{15}\ km[/tex]
Hence,
Akash walked [tex]1\frac{4}{15}[/tex] kilometers in all.
During the hockey season, Pete scored goals on 15% of the shots he took. If he scored 75 goals, how many
shots did he take?
2. What is the value of x? Show ALL of your work. Round your answer to the nearest tenth.
А
x cm
12 cm
B
6 cm
9514 1404 393
Answer:
10.4
Step-by-step explanation:
The Pythagorean theorem applies to the sides of this right triangle.
x² + 6² = 12²
x² +36 = 144 . . . . find the squares
x² = 108 . . . . . . . . subtract 36
x = √108 . . . . . . . take the square root
x ≈ 10.4
Miguel bought 3CDs that were each the same price. Including sales tax, he paid a total of 34.00 . Of that total,3.60 was tax. What was the price of each CD before tax?
Answer:
$10.13
Step-by-step explanation:
Take the total and subtract the tax:
34-3.6 = 30.40
Take that answer and divide by 3
If two angles are complementary and one angle is 48° what is the other angle
Answer:
Step-by-step explanation:
When two angles add to 90°
What is the quotient of 40,122 divided 27
Answer:
1486
Step-by-step explanation:
What is the quotient, if 40,122 is divided by 27?
40,122
-------------- = 1486
27
Answer: The answer is 1,486
Step-by-step explanation:
40,122 divided by 27=1,486
1: the tip is 20% on a $42 meal
2: The price paid for an $120 bookshelf after an 20% discount applied
3: the 6% state income tax on a $40,000 salary
4: The total cost of an $82 meal with as 20% tip
Step-by-step explanation:
1. The tip is $8.40
2. The price after the discount is 96.
3. The tax taken away is $2400
4. $98.4
i need help with these questions.
Answer:
Q1) C=2pi r
C= 2 x 7.5 x 3.142
C= 47.13
Q2) A= pi r^2
A= 3.142 x 7.5^2
=3.142 x 56.25
A=176.74
Q3) A= pi r^2
A= pi 6^2
A=36pi mm^2
Q4) A= pi r^2
A= 4^2 x 3.142
A= 50.3
Q5) A=pi r^2
Radius= C/2---------------------> R=14/2--------------> R=7
A=pi x 7^2
A=49 pi cm^2
Write the equation of the line in slope-intercept that has passes through the points (-8,-11) and (10,-2).
Answer:
y = 0.5x-7
Step-by-step explanation:
First we need to find the slope so we use the formula y2 - y1 / x2 - x1 = m
The variable m will represent the slope or rate of change
-2 - (-11) / 10 - (-8) = m
Or
-2 + 11 / 10+8 = m
9/18 = m
0.5 = m
y = 0.5x+b
To find b replace the y and x variables
I will use 10 and -2
-2 = 0.5(10)+b
You should come out with -7 = b
Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.
Answer:
When y=32, x=16.5
Step-by-step explanation:
Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.
We are given:
x varies inversely with y
We can write it as: [tex]x\:\alpha \:\frac{1}{y}[/tex]
[tex]x=\frac{k}{y}[/tex]
We have x = 132, when y=4
We can find value of k by using these values
[tex]x=\frac{k}{y}\\132=\frac{k}{4}\\k=132*4\\k=528[/tex]
We need to find x when y=32
[tex]x=\frac{k}{y}\\x=\frac{528}{32}\\x=16.5[/tex]
So, when y=32, x=16.5
Someone help me ASAP thank you
Answer:
1/2
Step-by-step explanation:
sin
(
20
)
cos
(
10
)
+
cos
(
20
)
sin
(
10
)
Decimal Form:
0.5
Answer:
c or b please dont get mad if i get it wrong
Step-by-step explanation:
your welcome
Rick bought 3 shirts for $18.75 each, 2 pair of socks for $3.99 a pair, and a pair of slacks for $45.00. The
sales tax rate is 6.75%. How much did he pay?
Answer:
3 shirt=3×$18.75
=56.25
2 pair shocks =3.99×2
=8
1 pair slacks=45.00
total=109.25
tax=6.75% then;
109.25+6.25%×109.25
109.25+6.25/100×109.25
109.25+0.0625×109.25
109.25+6.28
116.07
The degree of the polynomial function below is ____
f(x)=-3x^5+4x-2
Answer:
the degree of the polynomial is 5
Answer:the
Step-by-step explanation:
The figures shown are similar. Find the lengths of x,y and z
Answer:
explanation po sana ang kailangan
Find the length of GH.
A. About 4.5 units
B. 20 units
C. 6 units
D. About 2 4 units
Answer:
C. 6 units
Step-by-step explanation: Graph the line using the slope and y-intercept, or two points.
Slope:
0
Answer:
Its A: 4.5 units
Step-by-step explanation:
Next week the store is going to reduce the price from $42 to $31.50. Calculate what percent the sale price is of retail price.
Answer:
13.23 is 31.50 percent of 42 and the price they dropped down was $10.5
Step-by-step explanation:
hope this helps pls mark me as brainliest! :)
Answer:
10.5
Step-by-step explanation:
CUZ I NO
Twice a first number decreased by a second number is 22. The first number increased by four times the second number is - 7.
Answer:
4
Step-by-step explanation:
Paula says that 2/3 is equivalent to 4/9 because 4 is a multiple of 2 and 9 is a multiple of 3. explain her error.
Answer:
Paula is wrong because, in order to be equivalent, the nominator and denominator of a fraction must have to be multiplied by the same number.
Step-by-step explanation:
Paula is wrong because, in order to be equivalent, the nominator and denominator of a fraction must have to be multiplied by the same number.
4/9 is basically obtained when we multiply the denominator of 2/3 by 2 and denominator by 3, which is wrong.
Thus, the correction is as follows:
Given the fraction
[tex]\frac{2}{3}[/tex]
Multiply the nominator and denominator of the fraction by 2
[tex]\frac{2\times 2}{3\times 2}=\frac{4}{6}[/tex]
Thus, the 4/6 is the correct equivalent expression of 2/3.
eight hundred 35 thousandths as a decimal
Answer:
0.835
Step-by-step explanation:
Hope this helps and have a great day!!!
Answer:
800.035
Step-by-step explanation:
Help me
Write the equation for this graph in the form y=mx+b
Answer: y = 2x + 50
Step-by-step explanation:
first find the slope (m):
slope = rise/run = y1-y2/x1-x2
(1,52); (2,54)
slope = (54-52)/(2-1) = 2/1 = 2; m = 2
now since we have the slope and a point, we will put it into point-slope form:
y = m(x - x1) + y1
y = 2(x - 3) + 56
y = 2x - 6 + 56
y = 2x + 50
if triangle abc is similar to triangle edc find the value of x
Answer:
x = 15
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
[tex]\frac{BC}{DC}[/tex] = [tex]\frac{AC}{EC}[/tex] , substitute values
[tex]\frac{3x-5}{32}[/tex] = [tex]\frac{5x-5}{56}[/tex] ( cross- multiply )
56(3x - 5) = 32(5x - 5) ← distribute and simplify both sides
168x - 280 = 160x - 160 ( subtract 160x from both sides )
8x - 280 = - 160 ( add 280 to both sides )
8x = 120 ( divide both sides by 8 )
x = 15
Please help this is due rn (picture is below)
Answer:
1. Equal or adjacent
2. 5cm
3. Twice as many? Multiplied by 2?
4. 10 cm
5. 40 cm
Step-by-step explanation:
To find the exact side you have to take the perimeter and divide it with the amount of sides and so on
(4x + 3)(x + 1) = 1
What is the solution set?
Answer:
Step-by-step explanation:
4x^2 + 7x + 3 = 1
4x^2 + 7x + 4 = 0
-7 ± [tex]\sqrt{49 -64}[/tex]
------------------
8
(Sorry, first time making complex equations)
-7 ± [tex]\sqrt{-15}[/tex]
-------------
8
What is the length of side PQ in this figure?
A. 4
B. 14
C. square root of 52
D. square root of 61
Answer:
Option c. Square root of 52
What is the slope of the line? Hurry please
Answer:
I believe it's 1
Answer:
1
Step-by-step explanation:
Isabel had 21 coins in her collection. Frank had 3 times as many coins as Isabel had. Which equation can be used to determine the number of coins Frank had? *
21 ÷ _?_ = 3
3 x 21 = _?_
21 + 3 = _?_
3 + _?_ = 21
Paul gets $5 every week for doing his chores he is saving money to get a skateboard that cost $85 he has already saved $25 which equation describes the number of weeks that is with Paul to save enough money to buy the skateboard
Solve the system and write your answer as a coordinate point. I
(1 Point)
-6x – 3y = 24
4x – 2y = 8
Answer:
The solution of the system is:
(x, y) = (-1, -6)
Step-by-step explanation:
Given the system of equations
-6x – 3y = 24
4x – 2y = 8
solving the system of equations
[tex]\begin{bmatrix}-6x-3y=24\\ 4x-2y=8\end{bmatrix}[/tex]
[tex]\mathrm{Multiply\:}-6x-3y=24\mathrm{\:by\:}2\:\mathrm{:}\:\quad \:-12x-6y=48[/tex]
[tex]\mathrm{Multiply\:}4x-2y=8\mathrm{\:by\:}3\:\mathrm{:}\:\quad \:12x-6y=24[/tex]
so
[tex]\begin{bmatrix}-12x-6y=48\\ 12x-6y=24\end{bmatrix}[/tex]
adding the equations
[tex]12x-6y=24[/tex]
[tex]+[/tex]
[tex]\underline{-12x-6y=48}[/tex]
[tex]-12y=72[/tex]
so the system of equations becomes
[tex]\begin{bmatrix}-12x-6y=48\\ -12y=72\end{bmatrix}[/tex]
solve -5y=72 for y
[tex]-12y=72[/tex]
Divide both sides by -12
[tex]\frac{-12y}{-12}=\frac{72}{-12}[/tex]
Simplify
[tex]y=-6[/tex]
[tex]\mathrm{For\:}-12x-6y=48\mathrm{\:plug\:in\:}y=-6[/tex]
solving
[tex]-12x-6\left(-6\right)=48[/tex]
[tex]-12x+6\cdot \:6=48[/tex]
[tex]-12x+36=48[/tex]
subtract 36 from both sides
[tex]-12x+36-36=48-36[/tex]
Simplify
[tex]-12x=12[/tex]
Divide both sides by -12
[tex]\frac{-12x}{-12}=\frac{12}{-12}[/tex]
[tex]x=-1[/tex]
Therefore, the solution of the system is:
(x, y) = (-1, -6)
The heights of adult men are normally distributed with a mean of 69 inches and a standard deviation of 2.75 inches. What percentile does a man who is 72 inches fall?
Answer:
86.2%
Step-by-step explanation:
Given that:
Mean, m = 69 inches
Standard deviation. s = 2.75
Man who is 72 inches tall ; x = 72
Using the relation :
Zscore = (x - mean ) / standard deviation
Zscore = (72 - 69) / 2.75
Zscore = 3 / 2.75 = 1.09
Z = 1.09
P(Z < 1.09) = 0.862 (Z probability calculator)
0.862 * 100% = 86.2%
What are the reasons for this Geometry Proof in order of occurrence?
