To practice for a competition, Maggie swam 940 meters in the pool each day for 2 weeks. How many kilometers did Maggie swim in those 2 weeks? 1 m = 0.001 km
Based on the number of days that Maggie swam and the distance swam everyday, Maggie swam 13.16km
Maggie swam 940 meters each day. She did this for two weeks. The total distance she swam is:
= 940 x 2 x 7 days a week
= 13,160 meters
A meter is 0.001km so 13,160 meters in kilometers would be:
= Number of meters x Conversion factor
= 13,160 x 0.001
= 13.16 km
In conclusion, Maggie swam 13.16 km.
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I missed days when they were teaching this help pls will mark brainliest
please answer with explanation if nonsense answers I will report so please answer properly
Answer:
x = 2Step-by-step explanation:
We know that
The diagonals of a rectangle are of equal lengthThe diagonals bisect each otherConsidering the above we have:
EG = HF = 2JF = 2JHSubstitute the given values and solve for x:
24x - 8 = 2*(8x + 4)24x - 8 = 16x + 824x - 16x = 8 + 88x = 16x = 16/2x = 2Fill in the missing number. % of 64 = 48
Answer:
75%
Step-by-step explanation:
Step 1: Build the equation.
[tex]\frac{x}{100}(64) = 48[/tex]Step 2: Simplify.
[tex]\frac{64}{100}x = 48[/tex] [tex]\frac{16}{25}x = 48[/tex]Step 3: Multiply both sides by 25/16.
[tex]\frac{16}{25}x * \frac{25}{16} = 48 * \frac{25}{16}[/tex] [tex]x = 3 * \frac{25}{1}[/tex] [tex]x = 75[/tex]Therefore, the missing number is 75 to complete the equation 75% of 64 = 48.
Please help this question..
Step-by-step explanation:
2).
Given that 1/(7+5√2)
We know that
The Rationalising factor of a+√b is a-√b
The denominator = 7+5√2
The Rationalising factor of 7+5√2 is 7-5√2
On Rationalising the denominator then
=> [1/(7+5√2)]×[ (7-5√2)/(7-5√2)]
=> [1×(7-5√2)]/(7+5√2)(7-5√2)]
=> (7-5√2)/[(7+5√2)(7-5√2)]
=> (7-5√2)/[7²-(5√2)²]
Since , (a+b)(a-b) = a²-b²
Where , a = 7 and b = 5√2
=> (7-5√2)/(49-50)
=> (7-5√2)/(-1)
=> -7+5√2
=> 5√2-7
3).
Given that (x-2)³
This is in the form of (a-b)³
Where, a = x and b = 2
We know that
(a-b)³ = a³-3a²b+3ab²-b³
=> (x-2)³ = x³-3(x²)(2)+3(x)(2)²-2³
=> (x-2)³ = x³-6x²+12x-8
The coefficient of x² is -6
Express the product of (x + 1) and (3/2x+5/3)as a trinomial in simplest
form.
The product of the given expression (x + 1)(3/2x+5/3) is 3/2x² + 29x/6.
What are mathematical operations?A mathematical "operation" is the process of calculating a value using operands and a math operator.The supplied numbers or operands must follow specific guidelines associated with the math operator's symbol.Arithmetic operators perform the operations of addition, subtraction, multiplication, division, exponentiation, and modulus.So, (x + 1)(3/2x+5/3):
Now, solve as follows:
(x + 1)(3/2x+5/3)x(3/2x+5/3) + 1(3/2x+5/3)3/2x² + 5/3x + 3/2x + 5/33/2x² + 2(5)x + 3(3)x + 2(5)x/63/2x² + 10x + 9x + 10x/63/2x² + 29x/6Therefore, the product of the given expression is 3/2x² + 29x/6.
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What addition statement is shown?
Answer:
-3 + 5 = 2
Step-by-step explanation:
The value of the arrow on the numer line increased by 5 which resulted in a positive number which is 2.
5x+4y=24 plus 2x−7y=56 What is the answer
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
Let's solve :
[tex]5x + 4y + 2x - 7y = 24 + 56[/tex]add the like terms :
[tex]7x - 3y = 80[/tex]what is the upper bound and lower bound for 35.7
Answer:
tried.. sry if it is wrong...
Step-by-step explanation:
some examples for u..
Mark me the Brainliest..PLS
equation a. 100x-10x+270=5670
Answer:
60
Step-by-step explanation:
90x + 270= 5670
90x=5670-270
x=5400÷90
x=60
Answer:
x = 60
Step-by-step explanation:
1) 100x - 10x + 270 = 5670
2) 100(60) - 10(60) + 270 = 5670
3) 6000 - 600 + 270 = 5670
4) 5400 + 270 = 5670
5) 5670 = 5670
All I really did was input random numbers for the value of "x", then add 270 at the end of an equation. If that method works for me, it should work for everyone, including you.
Hope this helped buddy!
Write an algebraic expression that represents
“8 minus the quantity b divided by 6.”
por alguien me ayuda
Answer:
answer is a 14 okk 14 is a correct answer
Please help!!!I don’t know this
Step-by-step explanation:
I guess we are only talking about quadratic functions/equations here.
the world is not unified regarding what is the standard form of a quadratic equation.
but let's assume your teacher means
standard form
f(x) = y = ax² + bx + c
vertex form
f(x) = y = a(x - h)² + k
so, we are using the provided x, y coordinates to get a, b and c.
3.75 = a×0.125² + b×0.125 + c
3 3/4 = a×(1/8)² + b×(1/8) + c
15/4 = a/64 + b/8 + c
15×16/64 = a/64 + 8b/64 + 64c/64
=> 240 = a + 8b + 64c
4 = a×0.25² + b×0.25 + c
4 = a×(1/4)² + b×(1/4) + c
4 = a/16 + b/4 + c
4×16/16 = a/16 + 4b/16 + 16c/16
=> 64 = a + 4b + 16c
3 = a×0.5² + b×0.5 + c
3 = a×(1/2)² + b×(1/2) + c
3 = a/4 + b/2 + c
3×4/4 = a/4 + 2b/4 + 4c/4
=> 12 = a + 2b + 4c
we have now from the third equation
a = 12 - 2b - 4c
we put this into the second equation
64 = (12 - 2b - 4c) + 4b + 16c = 12 + 2b + 12c
32 = 6 + b + 6c
26 = b + 6c
b = 26 - 6c
and therefore
a = 12 - 2(26 - 6c) - 4c = 12 - 52 + 6c - 4c = 2c - 40
this a and b we use now in the first equation
240 = (2c - 40) + 8(26 - 6c) + 64c =
= 2c - 40 + 208 - 48c + 64c = 18c + 168
72 = 18c
c = 4
b = 26 - 6×4 = 26 - 24 = 2
a = 12 - 2×2 - 4×4 = 12 - 4 - 16 = -8
so, the standard form is
f(x) = y = -8x² + 2x + 4
the vertex form
we get this by transforming the standard form.
e.g. by competing the square :
y - 4 = -8x² + 2x = -8(x² - x×1/4)
y - 4 -8×(1/8)² = -8(x² -x×1/4 + (1/8)²)
y - 4 - 8/64 = -8(x - 1/8)²
y - 32/8 - 1/8 = -8(x - 1/8)²
y - 33/8 = -8(x - 1/8)²
y = -8(x - 1/8)² + 33/8
This year, lashonda watched 85 movies. She thought that 34 of them were very good. If the movies she watched, what percentage did she think were very good
Answer:
40 percentage
Step-by-step explanation:
sana makatulong I'm not sure
pls need an answer
will give briainliest
plz help me i need help
Answer:
its sooo far
Step-by-step explanation:
aka i cant read
The number of different cars sold in some country rose from 205 in 1997 to 277 in 2007. Find the percent increase. Round to the nearest whole percent.
We are finding slope:
change in y / change in x
277 - 205 / 2007 - 1997
72 / 10
7.2
~ 7what is a bar plot, and what do the vertical lines on a bar plot represent?
Answer:
If you know what a graph looks like, then it is similar looking if not almost the same. The vertical lines represent what ever your x value is, in example the number of toys you have to how much they cost(ed) your x value would be the number of toys you have.
Step-by-step explanation:
Answer: a bar plot is a type of graph. The vertical lines shows the amount/data.
May contain dates that show how many each day, month, year.
The way most teachers show this is with what people prefer like, favorite color, food, etc...
Step-by-step explanation:
CAN SOME ONE PLEASE ANSWER MY NEWEST QUESTION!!!!!!!
Answer:
Yes ofcourse
Step-by-step explanation:
Why not.....^_^
Which situation BEST represents the equation below?
d!
john (y) is (2.5) times as big as his brother sam (x)
hope this helps
I got 11.9 am I right???
Film studios make a commission from every ticket sold. The movie tickets at Carbob Theatres cost $8.50. The studios earn a 40% commission. What amount of the movie ticket do they earn?
Answer:
I don't think so
Step-by-step explanation:
The studio earns $3.40 on commision because thats 40% of $8.50
The theater earns $5.10 because that would be the rest of the money
Solve for x: 3 - (2x - 5) < -4(x + 2) (1 point)
X<-8
O x>-3
X<-3
O
X-8
Answer:
4
Step-by-step explanation:
Answer:
i think its the first one i hope this helps
Step-by-step explanation:
PLEASE HELP!!
Find the equation of the line that is perpendicular to the line
6x – 4y = 3 and passes through the point (6,-1).
(a) Find the slope of the given line 6x – 4y = 3.
(b) What is the slope of a line that is perpendicular to the above line?
(c) Now, find the equation of the perpendicular line that passes through (6,-1).
Answer:
a). y = 3/2x - 3/4 b).-2/3 c).y = -2/3x + 3
Step-by-step explanation:
a). 6x – 4y = 3
-4y = -6x + 3
y = 3/2x - 3/4
- The slope is 3/2.
b). The slope of a perpendicular line would be the opposite: -2/3
c). y = -2/3x + b
-1 = -2/3(6) + b
-1 = -4 + b
3 = b
y = -2/3x + 3
1. Please help me with this problem I will give you the brain thing and extra points
Which equation in standard form has a graph that passes through the point (0, -5) and has a slope of 3/4?
A)3x + 4y = -20
B)3x - 4y = 20
C)4x + 3y = 20
D)4x - 3y = -20
Answer:
B) 3x - 4y = 20
Step-by-step explanation:
We can eliminate C and D since 4(0) + 3(-5) = -15 (not 20) and 4(0) - 3(-5) = 15 (not -20)
Now we will determine the slopes for A and B to see which one is correct:
A) 3x + 4y = -20 -> 4y = -20 - 3x -> y = -5 - 3/4x -> y=-3/4x - 5 (not right)
B) 3x - 4y = 20 -> -4y = 20 - 3x -> y = -5 + 3/4x -> y = 3/4x - 5 (right)
Therefore, B is correct since the slope is 3/4 and passes through (0,-5)
Anyone, please help I really need to know ?
If all of the matching cards will increase her score by 18, what are the matching cards?
Answer:
I believe it's 9.
Step-by-step explanation:
Have a good day/night
HELP PLS THIS IS IMPORTANT
Answer:
0.5 miles
Step-by-step explanation:
P(1,3) A(6,6) B(7,1)
PA = √(6-1)²+(6-3)² = √34 = 5.83
PB = √(7-1)² + (1-3)² = √40 = 6.32
PB-PA = 6.32 - 5.83 = 0.49 ≈ 0.5
Hikers walk 3 miles east and then 2 miles north and take a water break. They continue
hiking 4 miles east and a final 2 miles south to their destination. What single
transformation took place from their starting position to their final destination? Use
mathematical language and create a graphic to explain your answer. Be sure to use a
straight edge and grid paper for your graphic to represent this problem.
The single transformation that took place from their starting position to their final destination is (x, y) ⇒ (x + 7, y)
What is transformation?Transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, reflection, translation and dilation.
Translation is the movement of a point either up, down, left or right in the coordinate plane.
Hikers walk 3 miles east and then 2 miles north and take a water break. Hence:
(x, y) ⇒ (x + 3, y + 2)
They continue hiking 4 miles east and a final 2 miles south to their destination:
(x, y) ⇒ (x + 3 + 4, y + 2 - 2) ⇒ (x + 7, y)
The single transformation that took place from their starting position to their final destination is (x, y) ⇒ (x + 7, y)
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Calculate
2.07- 1.89/
5.71 - 3.92
Answer:
3.92
Step-by-step explanation:
Look At Screen Shot worth 10 points!!!!!
PLZ help now!!!! Urgent
Will mark Brainliest
Answer:
y=2x+9
Step-by-step explanation:
y-y(0)=m(x-x(0))
y-1=2(x+4)