Answer:
2.69
Step-by-step explanation:
hope this helps and have a good day
Evaluate \sqrt{-72k} −72k square root of, minus, 72, k, end square root where k = -2k=−2k, equals, minus, 2
Answer:
12
Step-by-step explanation:
To evaluate the given expression for the given value of k, put that value into the expression in place of k, then do the arithmetic.
[tex]\sqrt{-72k}\qquad\text{for $k=-2$}\\\\\sqrt{(-72)(-2)}=\sqrt{144}=12\qquad\text{positive square root}[/tex]
The value is 12.
Answer:
12
Step-by-step explanation:
trust me
An angle measures 66.4º more than the measure of its complementary angle. What is the
measure of each angle?
o and
o
Answer: 11.8 degrees and 78.2 degrees
Step-by-step explanation:
GIVING POINTS!! will give brainliest
Answer:
-7 and -5
AND
-3 and -1
Step-by-step explanation:
plez help with this im confuzzled 10 points
Answer:
y = 7
x=3
z=3
Step-by-step explanation:
we have, 5y +5=40
5y = 40 - 5
5y=35
y= 35/5
x=7
and, x + 10 = 13
x=13-10
x=3
10z-3 = 27
10z = 27 +3
10z = 30
z= 30/10
z = 3
please mark me brainliest
help asap
The graph is
A. neither even nor odd
B. symmetric about the y-axis
C. even
D. odd
Answer:
even
Step-by-step explanation:
bc it is the same on both sides
How is ordering factions on a number line similar and different from ordering whole numbers on a number line
Answer:
Fractions and whole numbers ordered on the number line are similar because it tells parts throughout the line, like skip counting using adding or subtraction for example.
What's different from them is because the fractions tell the parts more detailed between the whole numbers, such as 2 3/4 as a fraction on the number line. And 3 as a whole number on the number line.
Step-by-step explanation:
Judy bought 20 apples at the store, and the total weight was 2 kilograms. If the apples all had about the same weight, how much did each apple weigh?
it would be 0.1 kilograms per apple
Which equation represents the function on the graph?
Answer:
The equation represents the function on the graph will be Sin 2x
Given : Graph in diagram.
According to the given trigonometry function shape either of sine or cosine.
Here, it is intersecting at the origin it is likely a sine graph. A normal sine graph starts at Origin, crests out at 1 , and it crosses back down at the x-axis at (3.14, 0).
We knows this graph starts at origin and crosses back again at half that value. This graph is horizontally compressed on multiplying of a number maximum than 1.
Therefore, this graph is Sin 2x.
Learn more about Sine Functions here:brainly.com/question/17056821
Step-by-step explanation:
welcome
im fialing so please help me progress reports are friday
Answer:
6
Step-by-step explanation:
B reflected across the x-axis would be (-3, 1), so C is (-3, 1)
the distance between B and C is 6
Let me know if this helped
Answer:
4 points
Step-by-step explanation: One: there are two points in between B and c Two: it is skip counting in by two's so you should do the same when calculating the distance.
Hope this helped!
If the length of a rectangle doubles its width. Find the length of the rectangle if the perimeter is 21cm
Answer:
7cm, assuming the question is phrased as noted below.
Step-by-step explanation:
I'll interpret "If the length of a rectangle doubles its width." as "If the length of a rectangle is double its width.
Let L be the width, and L the length
L = 2W
The perimeter of a rectangle is 2L + 2W
We can use L instead of 2W, and that gives us:
21 cm = 2L + L
21 cm = 3L
L = 7 cm
An ammonia and water mixture fills a five-gallon container. Eighty percent of the mixture is ammonia but some of the mixture will be drained and replaced with pure water. If a five-gallon mixture of fifty percent ammonia is desired, how many quarts of the mixture need to be drained before the water is added
Answer:
The volume of the 80% ammonia that is to be drained before water is added is 7.5 quartz
Step-by-step explanation:
The volume of the ammonia and water mixture = 5 gallons
The percentage of ammonia in the mixture = 80%
The volume of ammonia desired = 5 gallons
The percentage concentration of ammonia desired = 50%
The diluting solution = Pure water
The measure of 4 quarts = 1 gallon
Therefore, we have, by equivalence solutions;
80% × x gallon = 50% × 5 gallons
x gallon = 50% × 5 gallons/(80%) = 3.125 gallons
x = 3.125 gallons
The volume of the 80% ammonia that is to be drained = 5 gallons - 3.125 gallons = 1.875 gallons
4 quarts = 1 gallon
1 gallon = 4 quarts
∴ 1.875 gallons = 4 × 1.875 quartz = 7.5 quartz
The volume of the 80% ammonia that is to be drained before water is added = 7.5 quartz
Find the value of f (x)
F(x) = 2 x f(4) = .........
A. 8
B. -6
C. 10
Answer:
F(4)=8
Step-by-step explanation:
F(x)=2(x)
F(4)
Replace x with 4
F(4)=2(4)
Multiply
F(4)=8
the average boa constrictor is about 7 1/2 feet long. How many inches is that?
Everyday Fitness charges a $28 dollar membership fee plus $2 per visit. Fitness King charges $16 membership fee plus $4 per visit. For how many visits will the total cost for both companies be the same? What will the amount be?
Answer:
The total cost of the companies will be the same after 6 visits. The cost will be $40 after 6 visits
Step-by-step explanation:
If you start with $160 and save $125 per month, how many months will it take for you to save a total of
$660?
This is a solving equation word problem
Answer:
4 weeks
Step-by-step explanation:
660-160=500
500/125= 4 weeks
find the circumference of the circle 56.52 inches, 64.59 inches, 254.34 inches, 28.26 inches, 14.13
Answer:56.57in
Step-by-step explanation:
help me please i appreciate everyone who is helping
Answer:
m=21
Step-by-step explanation:
Each side has the same length.
63/3=21
Pls help. Look at the pic and choose the correct statement.
Answer:
(b) The result of adding two polynomials is always a polynomial.
Step-by-step explanation:
A set is "closed" under a particular operation if performing that operation on members of the set always results in a member of the set.
Adding two polynomials always results in a polynomial, so we can say "polynomials are closed under addition."
HOW DO I SOLVE THIS PLEASE HELP
Answer:
18 unitsStep-by-step explanation:
Use the property of 45°x45°x90° and 30°x60°x90° right triangles.
Ratio of sides:
45°x45°x90° triangle 1 : 1 : √230°x60°x90° triangle 1 : √3 : 2Find the longer leg of the second triangle:
6√6*√3 = 6√18 = 6*3√2 = 18√2Find the value of x, of the first triangle:
x = 18√2/√2 = 185 Gavin also bought a dozen flowers for his mother, but her favorite flowers cost $0.35
each. How much did Gavin spend? Show your thinking.
Answer:
$34.29, Gavin spent $34.29.
Step-by-step explanation:
12 ÷ 0.35 = 34.2857142857
Round to nearest hundreth: 34.29
Answer:
$4.20
Step-by-step explanation:
dozen = 12 flowers
0.35x12=4.20
how do I evaluate this?
log of 0.001, base 10 equals x
Answer:
-3
Step-by-step explanation:
[tex]log_{n} n^{a} =a\\[/tex]
[tex]0.001 = 10^{-3}[/tex]
[tex]log_{10} 0.001=log_{10} 10^{-3} =-3[/tex]
Sean and Glen share a 16 ounce box of cereal. By the end of the week, Sean has eaten 5/8 of the box,glen has eaten 1/4 of the box of cereal. How many ounces are left in the box?
Answer:
2 ounces are left
Step-by-step explanation:
Sean =
[tex] \frac{5}{8} \times 16[/tex]
= 10 ounces
Gien =
[tex] \frac{1}{4} \times 16[/tex]
= 4 ounces
Sean + gien = 10 + 4 = 14 ounces
so therefore the remaining portion
= 16 - 14 = 2 ounces of cereal is left
if this helped pls give brainliest
if secx+cosecy = 2, and sinx+cosy=k evaluate 3k/4.
Need help ASAP!
The equations secx+cosecy = 2, and sinx+cosy=k are trigonometry equations
The result of [tex]\frac {3k}4[/tex] is [tex]\frac{3\sin(y)\cos(x)\sin(x) + 3\sin(y)\cos(x)\cos(y)}{2[\cos(x) + \sin(y)]}[/tex]
How to evaluate 3k/4The equations are given as:
secx+cosecy = 2, and sinx+cosy=k
Divide both equations
[tex]\frac{\sin(x) + \cos(y)}{\sec(x) + \csc(y)} = \frac k2[/tex]
Divide through by 2
[tex]\frac{\sin(x) + \cos(y)}{2[\sec(x) + \csc(y)]} = \frac k4[/tex]
Express sec and cosec as inverse ratios
[tex]\frac{\sin(x) + \cos(y)}{2[1/\cos(x) + 1/\sin(y)]} = \frac k4[/tex]
Take the LCM
[tex]\frac{\sin(y)\cos(x)[\sin(x) + \cos(y)]}{2[\cos(x) + \sin(y)]} = \frac k4[/tex]
Expand
[tex]\frac{\sin(y)\cos(x)\sin(x) + \sin(y)\cos(x)\cos(y)}{2[\cos(x) + \sin(y)]} = \frac k4[/tex]
Multiply through by 3
[tex]\frac{3\sin(y)\cos(x)\sin(x) + 3\sin(y)\cos(x)\cos(y)}{2[\cos(x) + \sin(y)]} = \frac {3k}4[/tex]
Rewrite as:
[tex]\frac {3k}4 =\frac{3\sin(y)\cos(x)\sin(x) + 3\sin(y)\cos(x)\cos(y)}{2[\cos(x) + \sin(y)]}[/tex]
Hence, the result of [tex]\frac {3k}4[/tex] is [tex]\frac{3\sin(y)\cos(x)\sin(x) + 3\sin(y)\cos(x)\cos(y)}{2[\cos(x) + \sin(y)]}[/tex]
Read more about trigonometry equations at:
https://brainly.com/question/8120556
will give brainliest to right answer
Step-by-step explanation:
again, in a geometric sequence all terms are created by multiplying the previous term by a constant factor.
7640 × f = 764
f = 764/7640 = 1/10
a1 = 7640
a2 = a1 × 1/10 = 7640 × 1/10 = 764
a3 = a2 × 1/10 = a1 × 1/10 × 1/10 = 7640 × 1/100 = 76.4
an = 7640 × (1/10)^(n-1)
a6 = 7640 × (1/10)⁵ = 7640 × 1/100000 = 0.0764
What is the geometric mean of 7 and 11?
Def. of Geometric Mean: the nth root of the product of n numbers
The geometric mean of 7 and 11 = [tex]\sqrt{7*11} =8.775\\[/tex] (approximated)
Hope that helped!
Answer: it is the square root of 77 or D in the case of this quiz
Step-by-step explanation: got 100% on the test
Henry took 24.7 minutes to complete an exam. Laticia took 16.7 minutes to
complete the same exam. Who completed the exam first, Henry or Laticia?
A. Henry
B. Laticia
HELP PLS!!!
Laticia completed the exam first
Henry took=24.7mimLaticia took=16.7minAs
24.7>16.7Laticia completed first
Dr. Matthews is a professor of physics at the local university. He keeps a record of the number of students attending his class every day. Which of the following is a statistical question that Dr. Matthews can be asked? A.
How many male students attended your class today?
B.
How many students attended your class today?
C.
How many students have enrolled for your class this semester?
D.
How many students attend your class each day?
Answer:
d.How many students attend your class each day?
Dr Matthews can be asked How many students attend your class each day?
What are statistics?The practise or science of organising and interpreting numerical data in big quantities, particularly for the objective of concluding proportions in a whole from those in an expected sample.
Dr Matthews can be asked How many students attend your class each day?
To know more about statistics follow
brainly.com/question/15525560
#SPJ2
A store sold 6 3/8 boxes
of Milky Way bars and 7 2/5
boxes of Snickers one
week. In total, how many
boxes of candy bars did
they sell?
Answer:
We add the two fractions:
6 3/8 + 7 2/5 = 13 31/40 boxes of candy bars.
Answer:
Add the two fractions 6 3/8 + 7 2/5 = 13 31/40
Step-by-step explanation:
First multiply the whole numbers by the denominator then add it to the numerator, then find the most common factor (in the denominators) which is 40 (8x5 and 5x8) and multiply the numerator by the same number as the denominator, you will get 255/40 and 296/40 add them then simplify then you will get 13 31/40, thank you.
HELP FOR BRAINLEST!!! PLEASE
Answer:
3/14
Step-by-step explanation:
Put the number of students that want to be a therapist AND have a fear of height (this would be 3) over the TOTAL amount of students in the sample, in this case it's 14.
so it's 3/14 and it doesn't simplify
you're welcome
Answer:
21%
Step-by-step explanation:
First we need to find the total amount of people that did the personality test. We can do that by adding all the numbers in the table
[tex]4+5+2+3=14\\[/tex]
now, to find the percentage of students that want to be a therapist and a fear of heights, we simply divide the number of students who fit that demographic by the total number of students
[tex]3/14= 0.214[/tex]
therefore, there is a 21% chance of picking a student in that demographic at random
Expression that is equivalent to (6)(6)(6)
Answer:
36×6
Step-by-step explanation:
(6)(6)(6)
6×6×6
36×6
216
The answer is: " 6³ " .
__________
Step-by-step explanation:
Note: " (6)(6)(6) " ; is the value of the
[number "6" ; multiplied by that same number, "6" —two additional times;
→ so the same number, "6" ; being multiplied: "3 (three) times'
= 6 * 6 * 6 = 6³ ; that is: the number "6", raised to the third power (as an exponent);
→ since: there are 3 (three) of the same numbers being multiplied;
⇒ hence the exponent, "3" .
__________
The answer is: " 6³ " .
__________
Hope this helps!