Answers
Answer:
pretty sure its 21
Step-by-step explanation:
21 21 times 10 is 210
42
63
84
mark brainleist if right
Related Questions
What is the sum (Two-fifths x + StartFraction 5 over 8 EndFraction) + (one-fifth x minus one-fourth)?
Three-fifths x + StartFraction 1 over 8 EndFraction
Three-fifths x + StartFraction 3 over 8 EndFraction
Three-fifths x + StartFraction 5 over 8 EndFraction
Three-fifths x + StartFraction 7 over 8 EndFraction
Answers
Answer:
C
Step-by-step explanation:
How do I solve this equation?
Answers
Answer:
1. move the constant to the right hand side to change its sign.
2.add the numbers.
3. using the absolute value definition rewrite the absolute value equation as two separate equations.
4.slove the equation for X
Step-by-step explanation:
it has two solutions
x=8
x= -9
the answer should be X1= 9, x2 =8
You are at a restaurant and the check comes to a total of $76. If you want to leave a
19% tip, how much total money should you pay, to the nearest cent?
Answers
The expression (3 + i)(1+2i) can be written in the form a + bi, where a and b are integers. What are the values of a and b?
Answers
Answer:
a = 1 and b = -7
Step-by-step explanation:
Given the expression
(3 + i)(1+2i)
On factorizing we have;
(3 + i)(1+2i)
= 3(1)+3(2i)+1(i)+i(2i)
= 3 + 6i + i + 2i²
= 3 + 7i + 2i²
Since i² = -1
The expression becomes;
= 3 + 7i + 2(-1)
= 3 + 7i -2
= 1 - 7i
On comparing with a + bi
a = 1 and b = -7
3x - 3y = 9 and x + 3y = 12
Elimination
Answers
Answer:
[tex]x=5.25,y=2.25[/tex]
Step-by-step explanation:
We can add the two equations to eliminate the variable [tex]y[/tex] and solve for [tex]x[/tex]:
[tex]3x-3y+x+3y=9+12[/tex]
[tex]4x=21[/tex]
[tex]x=5.25[/tex]
Now, we can use substitution to solve for [tex]y[/tex]:
[tex]x+3y=12[/tex] (given)
[tex]5.25+3y=12[/tex]
[tex]3y=12-5.25[/tex]
[tex]=6.75[/tex]
[tex]y=2.25[/tex]
Hope this helps :)
PLEASE ANSWER THIS CORRECTLY I WILL GIVE YOU BRAINLIEST IF ITS CORRECT. I NEED THIS, I CANT DO ANYTHING FOR CHRISTMAS IF I FAIL THIS.
Answers
Answer:
1 is 50 min
Step-by-step explanation:
big brain
What is the image of ( 0 , -6 ) after a reflection over the line y = x?
Answers
Answer:
(-6, 0)
Step-by-step explanation:
(x, y) over y=x = (y, x)
so (0, -6) will be (-6, 0).
When Emily woke up, the temperature was 8 degrees F. By noon, the temperature had risen by 3 degrees F. It rose another 6 degrees in the afternoon to reach the day's high temperature. By the time Emily went to bed, the temperature had dropped 21 degrees F from the high temperature. What was the temperature when Emily went to bed?
Answers
Step-by-step explanation:
8°F + 3°F = 11°F (noon)
The temperature had risen by 3°F by noon. This means to add 3.
noon + 6°F = the day's high temperature
11°F + 6°F = 17°F (the day's high temperature)
The temperature rose another 6°F in the afternoon. This means add 6 to the temperature from noon.
high temperature - 21°F = temperature at bed
17°F - 21°F = -4°F
The temperature dropped by 21°F when Emily went to bed. This means to subtract 21 from the day's high temperature.
Risen, rose, and increase mean addition.
Decrease, dropped, and decline mean subtraction.
Hope this helps :)
what is 3/4 of 2483???
Answers
Answer:
1862.25
Step-by-step explanation:
.......
Do any of yall know how to do this; "Your height last year was 63 inches. Your height this year is 66 inches. By what percent has your height changed? Round your answer (percent) to the nearest whole number."
Answers
Answer:
4.8%Step-by-step explanation:
Step one:
given data
previous height= 63in
current height= 66in
Required
% increase
Step two:
% increase= current-previous/previous*100
% increase=66-63/63*100
% increase=3/63*100
% increase=0.048*100
% increase=4.8%
The height increased by 4.8%
What is the cube root of 512m^12n^15
Answers
Find the slope of the line that passes through Point A (7, 4) and Point B (3, 2), using the formula m=y2-y1/x2-x1
Answers
Answer:
The slope, or m, is equal to 1/2.
Step-by-step explanation:
m = y2 - y1/x2 - x1
m = 2 - 4/3 - 7
m = -2/-4
m = 1/2
Jacob has 27.5 pounds of coffee beans to grandpa's got too much coffee is Jacob is able to fill container with 2.5 lb of coffee each time he grinds the beans, how many times do we have to fill container to grind all the beans?
Answers
Answer:
Step-by-step explanation:
The answer is 30 times to fill the container to grind beans.
Answer:
11 times
Step-by-step explanation:
27.5 divided by 2.5 is 11
Vincent wants to have balloons delivered to
a friend. He can choose between two
stores.
• Store) charges $70.00 for delivery,
plus $2.50 per balloon delivered.
• Store K charges $60.00 for delivery.
plus $5.00 per balloon delivered.
The equations below represent the charges
at the two stores, where represents the
total charge for delivering balloons.
Answers
Answer: store 1 f(X)= 70+2.50X Store 2 f(x) 60+5x
Step-by-step explanation: So i gave you the equations because i don't really understand the what its asking me for and the lower price is store 1
The equations that represents the two stores are as follows;
f(x) = 70 + 2.50x
g(x) = 60 + 5x
How to form linear equations?The situation can be modelled to a linear equation.
Therefore,
y = mx + b
where
m = slopeb = y-interceptTherefore,
First stores equation:
f(x) = 70 + 2.50x
where
x = number of ballon delivered.
Second stores equation:
g(x) = 60 + 5x
where
x = number of ballon delivered
learn more on linear equation here: https://brainly.com/question/25752244
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On average, a refrigerator door is opened 22 times each day. Len has two refrigerators in his house. Based on this average, about how many times in a 9−week period are the refrigerator doors opened?
Answers
Answer:
2772 times
Step-by-step explanation:
On average, a refrigerator door is opened 22 times each day.
Len has two refrigerators in his house.
Step 1
From the above question:
1 refrigerator = 22 times
2 refrigerators = 2 × 22 times
= 44 times.
Hence, Per days 2 refrigerators is opened 44 times
Step 2
In 1 week = 7 days =(For 2 refrigerators)
1 day = 44 times
7 days = x times
x = 7 × 44
x = 308 times.
Hence in 1 week, the 2 refrigerators are opened 308 times
Step 3
How many times in a 9−week period are the refrigerator doors opened
1 week period = 308 times
9 week period =
308 times × 9
= 2772 times
Write your question here (Keep it simple and clear to get the best answer)4x³-5x is it odd or even function
Answers
Answer:
odd
Step-by-step explanation:
To determine if odd/ even
• If f(x) = f(- x) then it is even
• If f(- x) = - f(x) then it is odd
Given
f(x) = 4x³ - 5x , then
f(- x) = 4(- x)³ - 5(- x) = - 4x³ + 5x
Since f(x) ≠ f(- x) then it is not even
- f(x) = - (4x³ - 5x) = - 4x³ + 5x
Since f(- x) = - f(x) , then 4x³ - 5x is odd
Help me please ASAP thank you
Answers
Use the Distributive Property to expand 4(3x+4y)
Use the Distributive Property to expand 4(3x+4y)
Answers
Answer:
12x + 16y
Step-by-step explanation:
4(3x)= 12x
4(4y)= 16y
How many lines of symmetry does each of the shapes below have?
Please Answer ASAP!
Answers
Answer:
1)2
2)0 that means no symmetry
3)0
Step-by-step explanation:
Please help find the missing side! (I’ll give brainlist!!)
Answers
Answer:
143
Step-by-step explanation:
from little shape to big shape its lside x 13= other bside
so the missing side is 11 x 13= 143
Answer:
X = 145
Step-by-step explanation:
91 divided by 7 = 13
91 divided by 7 = 13
52 divided by 4 = 13
We do not know what the X value is so we must multiply by 13 and we get: 143
$6,000 dollars is invested in two different accounts earning 3% and 5% interest. At the end of one year, the two accounts earned $220 in interest. Set up a systems of linear equations to model the amount of money invested and the interest earned.
Answers
Answer:
x + y = 6000
0.03x + 0.05y = 220
Step-by-step explanation:
Given that :
Total principal amount = $6000
Account A:
Let principal = x
Rate = 3% = 0.03
Account B:
Let principal = y
Rate = 5% = 0.05
Interest earned at after one year = $220
Amount invested :
x + y = 6000
Simple interest = principal x rate x time
Interest earned
(x * 0.03 * 1 ) + (y * 0.05 * 1) = $220
0.03x + 0.05y = 220
convert 5 yards per second to feet per minute
Answers
Answer:
900
dont waiste points jusst search it up
Step-by-step explanation:
9 x 10^2 is ? times as much as 3 x 10^-2.
A. 6 x 10^0
B. 3 x 10^-4
C. 6 x 10^4
D. 3 x 10^4
Answers
Answer: 3 × 10^4
Step-by-step explanation:
9x10^2 is how many times as much as 3x10^-2?
9 × 10^2 = 9 × 100 = 900
3 × 10^-2 = 3 × 0.01 = 0.03
We then divide, this will be:
= 900/0.03
= 30000
This can be represented as:
30000 = 3 × 10^4
It can be clearly seen that 9 x 10^2 is is 3 x 10^4 times of the number 3 x 10^-2.
What is multiplication?Multiplication is one of the basic mathematical operations. When a number is multiplied by another, the it is a given number of times that number.
As such, we can we that 9 x 10^2 is is 3 x 10^4 times of the number 3 x 10^-2.
Learn more about multiplication:https://brainly.com/question/14059007?
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can someone please help me? question is in the picture.
Answers
Your trying to find the area of the triangle of the two numbers of that makes any kind of sense
Using the 3-4-5 rule the lengths would be 6-8-10 meaning the hypotenuse is 10 :)
find the value of x and y.
find DF
Answers
Answer:
X=5 y=3
Step-by-step explanation:
Ab=De
4x-2=18
X=5
EF=BC
3y+1=10
y=3
DF=2x+1=11
Margo can purchase tile at a store for $0.59 per tile and rent a tile saw for $14. At another store she can
borrow the tile saw for free if she buys tiles there for $1.29 per tile. How many tiles must she buy for the
cost to be the same at both stores?
Margo must buy
tiles for the cost to be the same at both stores.
PLSS HELPP
Answers
lmk if this helps
: • 1:33)= 8 • x
7.998 = 8x
1 = x
•59x + 32 = 1.39x
32 = .8x
40 = x
Answer:
20 tiles
Step-by-step explanation:
If she buys 60 tiles, the cost at both shops is the same.
If she buys less than 60 tiles, then the second shop is cheaper.
If she buys more than 60 tiles, then the first shop is cheaper.
Explanation:
Let the number of tiles be
x
At the first shop: Cost = $0.59 × x + $14 = 0.59x + 14
At the second shop: Cost = $ 1.29 × x = 1.29x
If the cost is the same:
1.29x = 0.59x + 14 ←solve for x
1.29x − 0.59x = 14
0.7x = 14
x = 14/0.4
x = 20 tiles
Kelly has a pool in her backyard, and she wants to build a fence around the entire area. Kelly's backyard is 14 meters wide and 15 meters long. It costs $6.63 per meter to install a wooden fence. How much would it cost to put a wooden fence around Kelly's backyard?
Answers
Answer:
$384.54Step-by-step explanation:
Dimensions of the backyard is 14 m by 15 m
The length of the fence is the perimeter of the backyard.
P = 2(l +w)P = 2(15 + 14) = 2(29) = 58 mOne meter of the fence costs $6.63
Cost of the entire fence is:
58*$6.63 = $384.54Answer:
perimeter of backyard=2(15+14)=58m
it cost
1m=$6.63
58m=$6.63×58=$384.54
therefore it cost
$384.54 to put a wooden fence around Kelly's backyard.
Write a sine function that has a midline of 3, an amplitude of 4 and a period of 2π.
PLEASE HELP! WILL MARK BRAINLIEST!
Answers
Answer:
y = Asin(Bx-C) + D
D is midline. A is amplitude. Period is 2π/|B| (More useful for graphing and shows the effect of B). Strictly speaking, the frequency is the inverse of period: f = |B|/(2π), but a lot of math texts say frequency when they mean angular frequency which is rad/s vs. cycles/sec. The angular frequency ω = 2πf (2π rads/cycle) or just |B|. Finally the function is translated to the right C/B (to the left if C/B is negative)
Step-by-step explanation:
The sine function has a midline of 3, an amplitude of 4, and a period of 2π will be y = 4 sin(2πx) + 3.
What is a function?A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.
The sinusoidal function is given as,
y = A sin(2πx + ∅) + k
Where 'A' represents the amplitude, '∅' represents the phase difference, '2πx' represents the time period, and 'k' represents the midline.
The sine function has a midline of 3, an amplitude of 4, and a period of 2π will be given as,
y = 4 sin(2πx) + 3
The sine function has a midline of 3, an amplitude of 4, and a period of 2π will be y = 4 sin(2πx) + 3.
More about the function link is given below.
https://brainly.com/question/5245372
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HUGE GIVEAWAY!!!!(75) 5 STAR RATING AND BRAINLIEST AND THANKS. I WILL ADD EVERYONE WHO COMMENTS AND THANK THEIR PROFILE!!!!!
Answers
Answer:
hey thanks for the point really appreciate it
Thank you so much for hosting!
Jace is making a water play table from a triangular table top. He sketched a dotted line to show where he wants to add a circular water bowl. It should go all the way to the edges of the table as shown. A circle is inscribed within triangle A B C. The length of A B is 3.5 feet, the length of B C is 4 feet, and the length of A C is 2 feet. Angle A B C is 30 degrees and angle A C B is 60 degrees. What should Jace do first to find the exact location of the center of the circular water bowl? He should find the midpoint of each edge of the table. He should bisect each of the angles at the vertices of the triangular table top. He should draw perpendicular lines through any point along the edges of the table. He should draw perpendicular line segments from each corner to the opposite edge of the table.
Answers
Answer:
B-He should bisect each of the angles at the vertices of the triangular table top.
Step-by-step explanation:
Answer: He should bisect each of the angles at the vertices of the triangular table top.
Step-by-step explanation:
