multiplying by 0.21 is the same as decreasing by ____%?
Answer:
Step-by-step explanation:
Multiplying by 0.21 is the same as decreasing by 21%?
Answer:
21%
Step-by-step explanation:
the decimal for a percents is moved two places anytime it is multiplied.
3^-6 x (3^4 divided by 3^0)^2. simplfyed i need it quick im about to guess
Answer:
Step-by-step explanation:
first the parenthesis
3^4/3^0=3^4
anything raised to the power of 0 is 1
(3^4)^2=3^8 you multiply the powers
3^-6 * 3^8= 3^(-6+8)=3^2
Thhe simplified form of the expression is 9
Indices are expressed as power or exponent which is raised to a number or a variable.
According to the law of indices
[tex]a^n \times a^m = a^{n+m}\\a^n \div a^m = a^{n-m}[/tex]
Given the expression
[tex]3^{-6} \times (\dfrac{3^4}{3^0} )^2[/tex]
This can also be expressed as:
[tex]=\dfrac{1}{3^6} \times (\frac{3^4}{1})^2 \ (3^0 =1)\\= \dfrac{1}{3^6} \times 3^8\\=\dfrac{3^8}{3^6}\\=3^{8-6}\\=3^2\\=9\\[/tex]
This shows that the simplified form of the expression is 9
Learn more here; https://brainly.com/question/11116645
Please can someone help me basic geometry??? I need extra credit for my class
Answer: I believe the first one is ASA, and the third one is SAS, however for the second one, I think it’s none or ASA
linear or non linear
I’d like some help with this problem.
(Multiple choice)
Step-by-step explanation:
Its F
3x ×?=90 somebody help me please
Answer:
Step-by-step explanation:
3x*(?)=90
?=90/3x
?=30/x
If f(x)=-3x-2, find each value.
1. f(3)
Answer:
Step-by-step explanation:
plug in 3 for x then simplify
-3(3) - 2
= -9 - 2
= -11
hope this helps <3
PLS PLS HELP! It's really urgent
Answer: d) a and b
Step-by-step explanation:
a and b
What is the answer for X-6=-4+5
Answer:
7 just did the work I would attach it but I don't know how to lol
x=7
Answer:
x=7
Step-by-step explanation:
x-6=-4+5
x-6=1
x=1+6
x=7
Check:
(7)-6=-4+5
1=1
Hope this helps. Have a nice day you amazing bean child.
3(x-4)=2(-2x+1) what does x equal
Answer:
x = 2
Step-by-step explanation:
Given
3(x - 4) = 2(- 2x + 1) ← distribute parenthesis on both sides
3x - 12 = - 4x + 2 ( add 4x to both sides )
7x - 12 = 2 ( add 12 to both sides )
7x = 14 ( divide both sides by 7 )
x = 2
Answer: 2=x
Step-by-step explanation:
3(x-4)=2(-2x+1) <- multiply number outside of parentheses by numbers inside parentheses
1)3x-12=-4x+2
2)-3x -3x <- subtract -3x
-12=-7x+2 <- what you should have after
3)-2 -2 <- subtract 2
-14=-7x <- what you should have after
4)/-7 /-7 <- divide by -7
2=x <- what you should have after
/= divide
remember: negative multiplied by a negative equals a positive, and a negative multiplied by a positive equals a negative.
Anyone know the answer?!
Answer:
Slop intercept form hopefully this helps
why is 0.65 bigger than 3/5?
Answer:
yes
Step-by-step explanation:
3/5 = 0.6 =0.60
hence it's bigger than 0.65
Your family is putting in a rectangular pool in the back yard. The pool's perimeter equals 28 feet. The contractor want the length to equal 5 more feet than 3 times the width. What will the width of your garden be?
Answer:
2.25 ft
Step-by-step explanation:
Perimter= 28ft
W= x ft
L= 3x+5
but
P=2L+2W
substitute
28=2*(3x+5)+2x
28=6x+10+2x
collet like terms
28=8x+10
28-10= 8x
18=8x
divide both sides by 8
x= 18/8
x=2.25 ft
Hence the width is 2.25 ft
Cassie can run 1/2 mile in 1/6 of an hour. How far can she run in 1 hour?
10. Find the width of the canyon.
13.
width = ?
22 m
15 m
160 m
I need help asap
Answer:
Therefore, the width of the canyon is 109.09 meters.
Step-by-step explanation:
* 160/22 = k (Scale Factor)
7.2727 = k
* Let x be the width of the canyon
x / 15 = k
x / 15 = 7.2727
x = 7.2727 (15)
x = 109.09 m
The width of the canyon is 109.09m.
The calculation is as follows:Here we assume x be the width of the canyon.
The k(Scale factor) should be
= [tex]160 \div 22[/tex]
k = 7.2727
So,
[tex]x \div 15 = k\\\\ x \div 15 = 7.2727[/tex]
x = 109.09 m
Learn more: brainly.com/question/17429689
Janelle flies her kite several feet in the air. She then reels the kite in at a constant number of feet per minute. The equation y=-18+ 240 represents this situation, where x is the number of minutes and y is the height of the kite in the air. What does the number -18 in the equation represent?
A. The kite is 18 feet above the ground before Janelle starts reeling it in.
B. The kite ascends 18 feet per minute.
C.The kite descends 18 feet per minute.
D.The kite is 18 feet above the ground after Janelle is done reeling it in.
b) The cost price of an article was Rs 4000.Find the marked price of the
article so that there will be a profit of 20% after allowing a discount of
20%. show process
Answer:
Market price = Rs. 6,000
Step-by-step explanation:
Given:
Cost price = R.s 4,000
Profit after discount = 20%
Discount = 20%
Find:
Market price
Computation:
Sales price = Cost price[1+Profit after discount]
Sales price = 4,000[1+20%]
Sales price = 4,800
Market price = Sales price[100/(100 - Discount)]
Market price = 4,800[100/(100 - 20%)]
Market price = Rs. 6,000
Fraction form or decimal form! PLEASE HELP
Answer:
x = undefined
Step-by-step explanation:
Because you have an x and then remove the x the it is not pssible to tell what x was with the given information causing it to be undefined.
i will give brainiest to whom is correct
What is the equation of the function shown in the table?
Input x -2 -1 0 1 2
Output y -3 -1 1 3 5
y = - 1/2 x - 1
y = 2x + 1
y = 2x - 2
y = -2x + 1
Answer:
y = 2x + 1
Step-by-step explanation:
According to the table:
+1 +1 +1 +1
[x] -2 -1 0 1 2
[y] -3 -1 1 3 5
+2 +2 +2 +2
y = mx + b
b is y when x = 0
m is the change in y divided by the change in m = ∆y/∆x or slope.
+2/+1 = 2 = m
y = 1 when x = 0 so b = 1
therefore y = 2x + 1
identify the function shown in this graph
A i think im not really sure im also thinking it might be B
I’ll give 20 points.
Answer:
m∠AYB = 85°
m∠C = 50°
Step-by-step explanation:
By is the angle bisector of ∠ABC,
Therefore, m∠1 = m∠2 = 30°
m∠3 = 35°
m∠AYB + m∠YAB + m∠ABY = 180°
m∠AYB = 180° - [(m∠1 + m∠2) + m∠3]
= 180° - [(30° + 30°) + 35°]
= 180° - 95°
= 85°
m∠A + m∠B + m∠C = 180°
2(30°) + 2(35)° + m∠C = 180°
60° + 70° + m∠C = 180°
m∠C = 180° - 130°
m∠C= 50°
Answer:
Step-by-step explanation:
Jan 24, 11:13:55 PM
Lincoln is throwing a pizza party. He has 7 pounds of cheese available and he needs
pound of cheese to make each pizza. How many pizzas can he make?
Answer type: Mixed nunery
Mixed nuntler
Whole number
Fraction
Answer:
The answer is a Whole number which would be 7.
Step-by-step explanation:
If he need one pound of cheese for each pizza and he has seven pounds of cheese then he would be able to make 7 pizzas.
Answer:
He can make 7 pizzas.
Step-by-step explanation:
If he only has seven pounds, and it takes one pound to make one pizza, you can divide the pounds available (7) by the pounds needed to make a whole unit (1 pizza).
7/1 = 7
Consider the graph of the linear equation 2x - 5y = 10.
An envelope is 5 cm longer than it is wide. The area is 104 cm squared. Find the length and the width.
Answer:
8 x 13 = 104 cm squared. So the envolope is 8 cm by 13 cm
Step-by-step explanation:
8 x 13 is 104 and 13 is 5 more then 8. Hope this helps. Have a great day!
Help if you’re good at math I’ll give brainliest
Answer:
(4,2)
Step-by-step explanation:
Just by looking at the graph, you can see that they intersect at (4,2). But just to check:
x - 2 = -0.5x + 4
1.5x = 6
x = 4
y = 4 - 2 = 2
(4,2)
What is the equation of the line in slope-intercept form?
Write your answer using integers, proper fractions, and improper fractions in
simplest form
Answer:
The equation of the line in the slope-intercept form will be:
y = -7xStep-by-step explanation:
The slope-intercept form of the line equation
y = mx+b
where
m is the slope b is the y-interceptFrom the attached graph, taking two points
(0, 0)(-10, 70)Finding the slope between (0, 0) and (-10, 70)
[tex]\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}[/tex]
[tex]\left(x_1,\:y_1\right)=\left(0,\:0\right),\:\left(x_2,\:y_2\right)=\left(-10,\:70\right)[/tex]
[tex]m=\frac{70-0}{-10-0}[/tex]
[tex]m=-7[/tex]
Determining the y-intercept:
We know that the value of y-intercept can be determined by setting x = 0, and determining the corresponding value of y.
From the graph, it is clear that:
at x = 0, y = 0
Thus, the y-intercept b = 0
Now, substituting m = -7 and b = 0 in the slope-intercept form
y = mx+b
y = -7x + 0
y = -7x
Therefore, the the equation of the line in slope-intercept form will be:
y = -7x12.You spend $12 for a movie ticket. The theater charges 8% sales tax for each ticket sold. What is the sales tax you pay for your ticket?
What is the total cost you end up paying for your movie ticket in question #12?
Answer:
You end up paying $12.96 for the movies tickets
Step-by-step explanation:
Before Tax Price: $12.00
Sale Tax: 8.00% or $0.96
After Tax Price: $12.96
Six less than 2 times a number is 50. What is the number?
Answer:
a + b = 50 (Two numbers total 50)
b = a - 6 (one number is 6 less than the other)
Since we have a value, we can use the substitution metod:
a + a - 6 = 50
Simplify:
2a - 6 = 50
From here, you should know how to isolate a variable--add 6 then divide by 2 in this case. That'll give you a, and you'll be able to use that to solve for b.
2(a) -6= 50
2a-6= 50
six goes and adds to 50 on the other side
2a = 56
divide both sides by 2
a= 28
final answer 28
please help ASAP!!!!!
Answer:
a=16
Step-by-step explanation:
I believe this is right if it is wrong please tell me.
Answer:
16km
Step-by-step explanation:
Since its a right angle triangle we can use the pythogorean theorem, which is a^2 + b^2 = c^2
So if we apply it to this situation we get,
12^2 + b^2 = 20^2
144 + b^2 = 400
b^2= 400 - 144
b^2= 256
b= 16
So the answer is 16km
Hope this helped :)
What is 20 times 3.7758433975367
Answer: 75.5168679507.