Answer:
The equation for difference in altitude of the two helicopters is A = 650 - 100t
Step-by-step explanation:
Given;
The altitude of one helicopter is, A1 = 600 + 150t
The altitude of a second helicopter is, A2 = 1250 + 50t
Their difference in altitude, A at time t, is calculated as
A₂ - A₁ = A = (1250 + 50t) - (600 + 150t)
A₂ - A₁ = A = 1250 + 50t - 600 -150t
A₂ - A₁ = A = 1250 - 600 + 50t - 150t
A₂ - A₁ = A = 650 - 100t
Therefore, the equation for difference in altitude of the two helicopters is A = 650 - 100t
Math question down below
Answer:
answer is E
Step-by-step explanation:
Answer:
Another way to show [tex]\frac{9}{2}[/tex] is (E. 9 ÷ 2)
Step-by-step explanation:
A. 2 x [tex]\frac{1}{9}[/tex] = [tex]\frac{2}{9}[/tex] (incorrect)
B. 2 x [tex]\frac{9}{2}[/tex] = [tex]\frac{18}{2}[/tex] = 9 (incorrect)
C. 2 ÷ 9 = 0.22 (incorrect)
D. 9 ÷ [tex]\frac{1}{2}[/tex] = 18 (incorrect)
E. 9 ÷ 2 = 4.5 (correct)
Find the volume of the oblique rectangular prism with length 8 cm, width 7 cm, and height 9 cm.
Answer:
48
Step-by-step explanation:
2 x 8 + 2 x 7 + 2 x 9 = 48
HOPE IT HELPS!!!!
Express your answer in scientific notation. 1.4 x 10^9 - 8.6 x 10^8
Answer: 5.4 x 10^8 on Khan Academy
The scientific notation of the expression is,
⇒ 5.4 × 10⁸
What is Scientific notation?Scientific notation is a way of writing a very large or very small numbers. For example; 230,000,000 can be written in scientific notation as 2.3 x 10⁸.
Given that;
The expression is,
⇒ 1.4 x 10⁹ - 8.6 x 10⁸
Now, Simplify the expression as;
⇒ 1.4 x 10⁹ - 8.6 x 10⁸
⇒ 14 x 10⁸ - 8.6 x 10⁸
⇒ (14 - 8.6) × 10⁸
⇒ 5.4 × 10⁸
Learn more about the scientific notation visit:
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2/3 + (-5/7)
.........
Answer:
-1/21
Step-by-step explanation:
2/3 + -5/7
Get a common denominator of 21
2/3 *7/7 = 14/21
-5/7*3/3 = -15/21
14/21 - 15/21 = -1/21
Answer:
-1/21
Step-by-step explanation:
2/3 + (-5/7)
2/3 - 5/7
Lcm: 21
(2×7 - 5×3)/21
(14 - 15)/21
-1/21
42 = 7r
Answer the question.
Answer:
r = 6
Step-by-step explanation:
Divide both sides by 7
Which is written like this:
42/7 = 7r/7
Which 42/7 = 6
and 7/7 = 1
=> 6 = r or r = 6
The solution to the equation 42 = 7r for r is r = 6
How to determine the solution to the equation for rFrom the question, we have the following parameters that can be used in our computation:
42 = 7r
Rewrite the equation as
7r = 42
Multiply 1/7 to both sides of the equation
so, we have the following representation
1/7 * 7r = 42 * 1/7
Evaluate the products on the right hand side
This gives
1/7 * 7r = 6
Evaluate the products on the left hand side
This gives
r = 6
Rewrite as
r = 6
Hence. the solution is r = 6
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Find the slope of the line passing through these points: (5,2) and (-10,12)
Plz help
A)-3/2
B)-2/3
C)3/2
D)2/3
Answer:
-2/3
Step-by-step explanation:
The slope of a line is found by
m= (y2-y1)/(x2-x1)
= (12-2)/(-10 -5)
= 10/-15
= -2/3
angles in a triangle measure (2.3x +25) and (5.8x + 11). what is the value of x if the two angles are congruent?
Answer:
x = 4
Step-by-step explanation:
To answer that we put them into an equation
2.3x + 25 = 5.8x + 11
and Solve
2.3x + 25 - 25 = 5.8x + 11 - 25
2.3x = 5.8x - 14
2.3x - 5.8x = - 14
-3.5x = -14
Divide both sides by -3.5 and you get
x = 4
Question 16 (1 point)
A car depreciates at a rate of 6%. Lisa purchased a car for $23,000. Using the
appropriate decay factor how much should it be worth 10 years after Lisa
purchased it?
Answer:
After 10 years that Lisa has bought the car, her car will have an approximate value of:
$12388.15Step-by-step explanation:
As you can identify in the exercise, every time a year passes, the value of the car has a decrease of 6% of its value that year, so what you should do is take the initial value of $23,000 and multiply it by 94% (the remaining value of its price), then take this result and multiply it by 94% and so on 10 occasions (since they are ten years of depreciation) as I show you below:
Value after depreciation = 23,000 * 94% = 21,620 Value after depreciation = 21,620 * 94% = 20,322.8 Value after depreciation = 20,322.8 * 94% = 19,103,432 Value after depreciation = 19,103,432 * 94% = 17,957,226 Value after depreciation = 17,957,226 * 94% = 16,879,793 Value after depreciation = 16,879,793 * 94% = 15,867,005 Value after depreciation = 15,867,005 * 94% = 14,914,985 Value after depreciation = 14,914,985 * 94% = 14,020,086 Value after depreciation = 14,020,086 * 94% = 13,178,880 Value after depreciation = 13,178,880 * 94% = 12,388,148Therefore, it would have a value of approximately $12,388.15 after ten years of its purchase.
Please help
find the area of a trapezoid base 1 measures 20 ft base 2 messages 10 ft height measures 3 ft
Answer:
Step-by-step explanation:
(20+10)*3/2 = 45
Answer:
45 ft squared
Step-by-step explanation:
Area of a trapazoid = a plus b divuded by 2 times h
20 plus 10 divided by 2 equals 15
then 15 times 3 equals 45
how many lines of symmetry does the quadrilateral below have.
A. 0
B. 1
C. 2
Which of the following are magnitudes for rotational symmetry of the quadrilateral below about the marked point.
A.30
B.90
C.180
D.None of the above
Answer:
C; A
Step-by-step explanation:
(coming from an 8th grader :)
1. should be A, because on each side of the quadrilateral there are two lines being mirrored.
2. should be C, because the angles are acute and not right or straight. you may be thinking “but there is a straight line” yes, you are right there’s a straight line, but there’s multiple angles consisted in making one whole angle.
Find the vertex of the parabola whose equation is y = x^2 - 4x + 6.
(-2, 18)
(2, 2)
(2,6)
Lily wants to buy a new smartphone. She has $500 to spend. List three ways she can get a good deal.
Answer:
get a coupon find a cheap on or steal it or get a discountAnswer:
She could use coupon deals, she could research what stores have it cheapest, see what deals online has
the product of 16 and the variable of p
Answer:
16p
Step-by-step explanation:
The product means multiply
16*p
16p
Answer:
When variables are next to a number or another variable it means multiply
Product means multiply
16 x p is what the sentence means in an equation and 16p is equal to 16 x p so B. is correct
Step-by-step explanation:
Need help please I don’t know it
Answer:
its h
Step-by-step explanation:
3/4th of 16 is 12
find the measure of arc UT Given
a.168
b.192
c.84
d.96
Answer:
is there supossed to be a picture?
Step-by-step explanation:
Answer:
Can you please give us a picture!
Step-by-step explanation:
Write the expression: 3 divided by the sum of x and 9. A) 3 + 9 x B) x 3 + 9 C) x + 9 3 D) 3 x + 9
SHOW WORK!! need answer asap
Answer:
x = 10
Step-by-step explanation:
The exterior angle is equal to the sum of the opposite interior angles
12 +10x = 81 + 31
Combine like terms
12 +10x = 112
Subtract 12 from each side
12-12+10x = 112-12
10x= 100
Divide each side by 10
10x/10 = 100/10
x = 10
Answer:
10
Step-by-step explanation:
Exterior angle = sum of interior angles
12 + 10x = 81 + 31
12 + 10x = 112
10x = 100
x = 10
Please write the linear equation when m=30 and b=20
Answer:
y = 30x + 20
Step-by-step explanation:
The equation of a line is
y = mx+b
where m is the slope and b is the y intercept
y = 30x + 20
What is the area of the kite?
Answer:168
Step-by-step explanation:
.5×16×21
8×21
Answer: 336in ^2
Step-by-step explanation:
multiply 16*21 =336in^2
Pls help!!! Which steps would you use to solve this equation? Check all that apply.
p + 7 = 12
O Subtract 7 from both sides of the equation
a Subtract 7 from 7.
7 -7 = 0 and 12 - 7 = 5, so p = 5.
I Substitute 12 for p to check the solution
O Substitute 5 for p to check the solution.
Answer:
you subtract 7 from both sides
Step-by-step explanation:
What is the equation of the line tangent to the function y(x) = 2x +34 at the point (-2,2)?
Answer:
.
Step-by-step explanation:
How to solve a system of equation using a graph?
Answer:
The solution of such a system is the ordered pair that is a solution to both equations. To solve a system of linear equations graphically we graph both equations in the same coordinate system. The solution to the system will be in the point where the two lines intersect.
Step-by-step explanation:
Look at this set of 5 numbers:
5 3 5 5 6
By how much would the range increase if the number 8 were added to the set?
Answer:
The range would be increased by 2
3,5,5,5,6
The range for that set would be 3.
If 8 were added... 3,5,5,5,6,8
The range for that set would be 5.
Hattie accepted a job as a makeup artist after being offered a $550 signing
bonus. If she makes $32 an hour, which equation models Hattie's total pay y,
in dollars, as it relates to the number of hours x that she works?
The equation would be y=32x+550. 32 an hour is represented by 32x since she earned 32 an hour. 550 is the extra amount she is getting paid.
I hope this helps.
Answer:
y=32x+550
Step-by-step explanation:
A surgical technique is performed on eight patients. You are told there is an 80% chance of success. Find the probability that the surgery is successful for fewer than two patients. Please show your work.
Answer:
20.31%
Step-by-step explanation:
a) Construct a binomial distribution.
P = nCx* p%5Ex%2Aq%5E%28n-x%29 p= .8 and q = .2 and n = 8
b) Find the
mean = np = 8%2A.8+=+6.4
variance = npq = 6.4%2A.2+=+1.28
standard deviation of the probability distribution.sqrt%281.28%29
c) P(x = 6) = 28+%2A%28.8%29%5E6%28.2%29%5E2 = .2936 or 29.36%
d) P(x < 6) = 1 - P(x = 8) - P(x = 7) - P(x = 6)
= 1 - .1678 - .3355 - .2936 = .2031 or 20.31%
HOPE THIS HELPS PLZ MRK BRAINLIEST
Which r-value suggests a strong negative correlation?
A. r = 0.1859
B. r=-0.1859
C. r = 0.9874
D. r=-0.9874
Answer:
i think the correct answer is c sorry if im wrong
A roller coaster uses the track in this picture. Where will the roller coaster car have the most kinetic energy?
W
X
Y
Z
Answer:
X because potential energy is high kinetic is low
If cos A = 12/13 , and ∠A is in the fourth quadrant, find the exact value of sin2A.
Answer: 0.71
Step-by-step explanation:
we have that cos(A) = 12/13
then:
A = Acos(12/13) = 22.62°
But A is in the fourth quadrant, so A is actually 22.62° + 180° = 202.62°
Then Sin(2A) = sin(2*202.62°) = 0.71
A sports stadium holds 14,600 people. There are eight home games in
a season. Find the total number of people who could attend home
games in one season.
Answer:
116800
Step-by-step explanation:
14600x8
166800
Answer:
b
Step-by-step explanation:
hope this helps you
Find the volume of a rubber shell on a ball if the outer diameter of the ball is 24in and the inner diameter is 23.5in.
Answer: 433.1
Step-by-step explanation: I haven’t figured the work out yet
Answer:
433.1
Step-by-step explanation:
