Answer:
471.24
Step-by-step explanation:
The formula for circumference is 2×pi×r. Replace the r with 75 and multiply.
circumference of the race track = 471.24 yards.
What is circle?A circle is a two-dimensional figure formed by a set of points that are at a constant or at a fixed distance (radius) from a fixed point (center) on the plane. The fixed point is called the origin or center of the circle and the fixed distance of the points from the origin is called the radius.
Given,
radius of race track r = 75 yards
circumference of the park = 2πr
= 2×3.1416×75
= 471.24 yards
471.24 yards is the circumference of the race track.
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Which symbol would best replace the question marks below? 100 ? 88 ? 57 ? 47 ? 31 ? 16
A.=
B.<
C.>
Answer:
C
Step-by-step explanation:
Because the numbers on the left are always greater than the numbers on the right.
Simplify the following into a single logarithm: 3 log ( 6 ) − 3 log ( x )
Answer:
3 log (6/x)
Step-by-step explanation:
Rule: log(a) - log(b) = log(a/b)
3 log ( 6 ) − 3 log ( x ) = 3 log (6/x)
Find the value of x.
Answer:
12.5
Step-by-step explanation:
In this problem, we see a 5 on one side. The other side will be 5 as they have the congruent line indicator.
The formula for these types of problems are a*b=c*d.
a = 5
b = 5
c =2
d = x
(5)(5)=2(x)
x = 25/2 = 12.5
please help me answer this asap thank you
find the value of x.
Answer:
x = 20
Step-by-step explanation:
the product of the measures of the parts of one chord is equal to the product of the measures of the parts of the other chord , that is
9x = 15 × 12 = 180 ( divide both sides by 9 )
x = 20
HELP ASAP
Connor needs 60 mL of a 19% acid solution for a science experiment. He has available a 21% solution and a 15% solution.
How many milliliters of the 21% solution and how many milliliters of the 15% solution should he mix to make the 19%
solution?
Provide your answer below:
mL
21% solution:
mL
15% solution:
FEEDBACK
Content attribution
1 POINT
QUESTION 15
8 and the interest rate on the second loan was 9%.
Answer:
Let x = ml of 21% solution
Let y = ml of 15% solution
ATQ,
x + y = 60.....(1)
or
0.21x + 0.15y = 0.6....(2)
Multiplying equation 1st by 0.21, we get,
0.21y+0.21y =12.6....(3)
subtracting equation 3
0.21y+0.21y =12.6
-0.21x +0.15y = 0.6
_________________
ㅤㅤㅤ 0.6y = 12
_________________
6y = 12
y = 20ml
x= 60-20 = 40 ml
Hence , Conner needs 20ml of 21% solution & 40ml of 15% solution
Helpppp plaseeeee hurryyyyy Vocabulary I need the definition of these
Inverso Aditivo
Inverso Multiplicativo
Números Opuestos
Números Recíprocos
Valor Absoluto
Answer:
Inverse Additive
Inverse multiplicative
Opposite Numbers
Reciprocal Numbers
Absolute value
Step-by-step explanation:
Inverse Additive is the number that is added to a given number to make the sum zero. For example, the additive inverse of 3 would be -3, because 3 + -3 = 0.
Inverse multiplicative is defined as a number which when multiplied by the original number gives the product as 1. For example, the multiplicative inverse of 5 would be 1/5, because multiplying 1/5 by the number 5 would equal to the product of 1.
Opposite Numbers- The opposite of a number is the number on the other side of 0 number line, and the same distance from 0. Basically same thing as an additive inverse. The negative version of a positive number, and vice versa.
Reciprocal Numbers- The reciprocal of a number is this fraction flipped upside down. In other words, the reciprocal has the original fraction's bottom number—or denominator—on top and the top number—or numerator—on the bottom.
Absolute value- The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign.
A researcher decides to determine if the type of writing utensil that a student uses while doing their math affects their accuracy. A group of 1200 high school students in Algebra are randomly divided into four groups. One group uses a regular pencil, another uses a mechanical pencil, one group uses a pen and the fourth group is allowed to use whatever type of utensil they feel like. A math test is given and the results are tabulated for accuracy. The variable- type of writing utensil - is what type of variable?
Since the variable type of writing utensil assumes labels and not numbers, it is classified as qualitative.
What are qualitative and quantitative variables?Qualitative variables: Assumes labels or ranks.Quantitative variables: Assume numerical values.In this problem, the type of writing utensil has 4 labels: regular pencil, mechanical pencil, pen, whatever.
Hence, since the variable assumes labels and not numbers, it is classified as qualitative.
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A number line shows 1-2, and -13. Which statement is NOT true?
1} < -2 because 1 is located to the right of — 2 on the number line.
1} > -1 because 1 is located to the right of -1 on the number line.
-2} < -1% because -1; is located to the right of —2 on the number line.
Answer:
2nd statement
Step-by-step explanation:
it is
Kim wants to estimate the distance from her home to school. She times the walk as taking 15
min. What is the distance if Kim walks 1 mile in 20 min?
Answer:
0.75 miles
Step-by-step explanation:
15/20 = 3/4 = 0.75
15 is 3/4 of 20
0.75 mile is 3/4 of 1mile
PLEASE HELP WITH THIS
Step-by-step explanation:
hope you have got the answer in the attachment.
The measures of the angles of an isosceles triangle are in the ratio
3:3:2. Find the measure of the largest angle.
answer:
67.5
Explanation:
Let the triangle be ΔABC and angles be ∠A,∠B,∠C
Now, we know that all the 3 angles of a triangle sum up to be 180° from the Triangle Sum Property.
:.∠A + ∠B + ∠C = 180
:.3x+3x+2x=180 [3:3:2]
:.8x = 180
:.x = 180/8
:.x = 22.5°
:.
/_A=3x=3(22.5)=67.5°
/_B=3x=3(22.5)=67.5°
/_C=2x=2(22.5)=45°
Write the equation of the line that passes through the points (7, –4) and (–1, 3), first in point-slope form, and then in slope-intercept form.
Answer:
y +4 = -7/8(x -7)y = -7/8x +17/8Step-by-step explanation:
Given two points, the equation for the line can be found by starting with determining the slope. Then the point-slope form can be used to find the equation. That form can be rearranged to give the slope-intercept form (or any other form you may desire.)
The slope formula is ...
m = (y2 -y1)/(x2 -x1)
m = (3 -(-4))/(-1 -7) = 7/-8 = -7/8
Then the point-slope form using the first point is ...
y -k = m(x -h) . . . . line with slope m through point (h, k)
y +4 = -7/8(x -7) . . . . . line with slope -7/8 through (7, -4)
__
Eliminating parentheses, and subtracting 4 gives the slope-intercept equation:
y +4 = -7/8x +49/8 . . . eliminate parentheses
y = -7/8x +17/8 . . . . . subtract 4; slope-intercept equation
_____
The attached graph shows both forms of the equation draw the same line.
Find the value of this expression if x = 3. x ^2 -1/ x+ 1
does 3x-y=4 and 6x-2y=8 have a solution?
Answer:
No there is no solution
Step-by-step explanation:
X cannot be found no matter how you try to solve the simultaneous equation so therefore y can also not be found.
54 years 3 months - 25 years 6 months
Answer: 4 year difference
Step-by-step explanation: 4 year difference
Akaia ran 1.5 miles every Monday, 2 miles every Tuesday, 1.75 miles every Wednesday. How many total miles did she run in 4 weeks?
Answer:
21 miles
Step-by-step explanation:
1.5+2+1.75=5.25 but since it says total miles in 4 weeks
I am trying to help my daughter out and I have no clue
Evaluate the expression 4 exponent 3 + 96 divided by 8 times 5 - 42
Answer: 61
Step-by-step explanation: 1+12*5
Simplify the sum 43+(96/8)*5-42
1
Add 43 and -42
12*5
Reduce 96/8 by factoring out and cancelling common factors
8*12/8.1
Factor out 8 from the top and bottom of the fraction
8*12=96
8*1=8
96/8=12
multiply 12 and 5. 12*5= 60
add 60 and 1
so the answer is 61
Find the equation of the tangent at ( 0 , 2) to the circle with equation
(x + 2)2 + (y + 1)2 = 13
Answer:
if this is high school i cant do it
what is 1/8 as a fraction decimal and percent
The table below shows the number of ounces in price for each of the four different bottles of orange juice. Which bottle has a price of $.10 per ounce
Answer:
12 oz bottle
Step-by-step explanation:
See attached image.
1 2 3 HELPPPPPPPPPP DUE IN 1 HOUR
Answer:
<(3) >(2)
Step-by-step explanation:
Genus < Phylum
Class < Family
Kingdom < Species
Order > Classes
Phylum > Family
im not 100%
but hope this helps pls mark as brainliest.
A restaurant serves a 16 inch pizza and a 20 inch pizza. About how many square inches is
each?
Answer:
16×16=256
20×20=400
multiply the number with its self and that's the square inches of each pizza.
NO LINKS!! Please help me with this problem
Answer:
1122.63ft
Step-by-step explanation:
Let, AB be the height of the monument, BC=789ft be the length of the monument ∠BAC=35.1° be the angle of elevation.
Now,
[tex]tanA=\frac{789ft}{AB} \\\\tan35.1=\frac{789ft}{AB} \\\\AB=\frac{789ft}{0.7028} \\\\AB=1122.63ft[/tex]
Hope this is correct.
Estimate the sum. 10 1/9 + 5 14/15
Answer:
Step-by-step explanation:
10+5=15 1/9 goes into 15 about twice so it goes to plus 1
so about without solving is 16 1/15
The length of a classroom is 41 feet.
What is this measurement in yards and feet?
The measurement is yd ft.
Answer:
There are 3 feet in a yard, so divide 34 by 3, which is 11 with a remainder of 1, the remainder 1 is the remaining foot, so 34 feet is 11 yards and 1 foot.
Step-by-step explanation:
One of the greatest assets of a second Terry is often his/her ability on the keyboard of a computer. Miss Garcia has been recognized as the most outstanding typist at prestigious firm because of her outstanding typing speed. The table below displays data collected from her most recent evaluation.
Write an equation to represent the total number of words, Y, that Miss Garcia can type in X minutes.
if Miss Garcia maintains a constant speed consistent with the results above, how many words will she type in 49 minutes?
Answer:
Y = 70X
or
Y = 70*X
Step-by-step explanation:
The words she will type in 49 minutes will be,
70*49 ===> 3430 words
prove that -
[tex] \sin {}^{2} (\theta) + \cos {}^{2} (\theta) = 1[/tex]
thankyou ~
Explanation:
In the right triangle shown in the attachment, we have, by definition, ...
sin(θ) = a/c
cos(θ) = b/c
Then ...
sin²(θ) +cos²(θ) = (a/c)² +(b/c)² = (a² +b²)/c²
By the Pythagorean theorem, ...
c² = a² +b²
Substituting for c², we have ...
sin²(θ) +cos²(θ) = (a² +b²)/(a² +b²)
sin²(θ) +cos²(θ) = 1
_____
Additional comment
This trig identity also goes by the name "Pythagorean identity."
the function of g(x) is the height of a football x seconds after it is theown in the air. The football reaches its maximum height of 30 feet in 4 seconds, and hits the ground at 10 seconds. What is the practical domain for the function f(x)?
The domain of the function will be less than or equal to 4 is x ≤ 4
Domain of a functionThe domain of a function are real values for which the function exists
For the question given, the time taken will serve as the domain of the function while the height after a particular time will be the range.
The domain depends on the time it takes to reach the maximum height. SInce the football reaches its maximum height of 30 feet in 4 seconds, hence the domain of the function will be less than or equal to 4 is x ≤ 4
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What is the correct answer 2+245=
Answer:
247
Step-by-step explanation:
2 + 245
= 002 + 245
= 247