please someone help me with this exercise I don't understand it and I really need it
Answers
So equation is 270 minus the amount it has lowered per second. Answer is c.
S gets multiplied by 2.5 because the 2.5 feet decrease happens each second.
Mark as the best!
Related Questions
Answer number 14. It’s very difficult for me and i need some help.
Answers
Answer:
1201.2 in (100.1ft)
Step-by-step explanation:
A scale model represents a ratio. All sides must be shrunk or increased based on a constant value. In this case the ratio of the model is 1/13 the size of the original giving us a 1:13 ratio. So each side of your scale model must be multiplied by 13 to find the real value of the side.
First convert all units to inches then divide the width of the real windmill by the width of the scale model (both in inches) you will see the answer is 13. Multiply the inch values of all sides of your model by 13 and this gives you the proportional value of each side of the real windmill in relation to the scale model.
b. Tyler's playlist has 36 songs. Noah's playlist has one quarter as many songs as
Tyler's playlist. How many songs are on Noah's playlist?
w = 4 times 36
w = 36 divided by 4
4w = 36
w/4 = 36
Answers
Answer:
9 songs
Step-by-step explanation:
¼ of 36
¼ × 36 = 9
Factor c^2 −64. Is this a special product?
PLS HELP
Answers
4.
Which point on the number line
represents 0.3?
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Answer:
Point C
Step-by-step explanation:
because the number is 0.3 you need to start at zero on the number line and go forward 3 marks. That will lead you to your answer of 0.3
Answer: it’s C because it’s the one that’s closer to 3 if u need help just ask
Step-by-step explanation:
Hope this helps
-3
The second term of an arithmetic sequence is –39. The rule a, - a-1 +12 can be used to find the next term of the
sequence. What is the explicit rule for the arithmetic sequence?
Answers
Answer:
a 2 = -39
a 2 = a 1 + 12
- 39 = a 1 + 12
a 1 = - 39 - 12
a 1 = - 51 ( first term )
The common difference is : d = 12
The explicit rule for the arithmetic sequence:
a n = a1 + ( n - 1 ) d
a n = -51 + ( n - 1 ) · 12
Step-by-step explanation:
halp please. MY c-ptsd is acting up and i cant be a emo baddie rn
Answers
Answer:
24 square units
Step-by-step explanation:
The standard trampoline has a diameter of 14 feet. What is its area?
Answers
Answer:
The area is 154 square feet
Step-by-step explanation:
Does sin, cos, tan work for all triangles?
Answers
Answer:
No
Step-by-step explanation:
SOH CAH TOA, or sin cos tan, only works on right triangles.
Write the following in scientific notation?
(Math 8th)
Answers
Answer:
the answer is 3.25 x 10^-4
Step-by-step explanation:
Find the length of the third side. If necessary, round to the nearest tenth
Pythagorean Theorem (Rounding)
Answers
Answer:
13.4 :)
Step-by-step explanation:
Pythagorean theorem: a^2 + b^2 = c^2
Now lets solve!!
12^2 + b^2 = 18^2
144 + b^2 = 324
Now we subtract!!
324 - 144 = b^2
180 = b^2
Now we need to find the square root!!
[tex]\sqrt{180}[/tex] = 13.4
Have an amazing day!!
Please rate and mark brainliest!!
Which of the following are solutions to the equation below?
Check all that apply.
X2 + 10x + 25 = 8
Answers
sinxcscx - cos^2x = sin^2x Verify it pls explain how so i know how to do it
Answers
Step-by-step explanation:
sin(x)×csc(x) - cos²(x) = sin²(x)
csc(x) = 1/sin(x) (basic definition)
therefore,
sin(x)×csc(x) = sin(x) × 1/sin(x) = 1
1 - cos²(x) = sin²(x)
1 = sin²(x) + cos²(x)
and that is again a basic definition based on the standard circle with radius = 1. there we have the Pythagoras principle, as sin and cos are the legs of a right-angled triangle, with radius 1 being the Hypotenuse.
What is the perimeter of this quadrilateral?
(5,5)
(2, 4)
(4, 1)
(6, 1)
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[tex]~\hfill \stackrel{\textit{\large distance between 2 points}}{d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}}~\hfill~ \\\\[-0.35em] ~\dotfill\\\\ A(\stackrel{x_1}{5}~,~\stackrel{y_1}{5})\qquad B(\stackrel{x_2}{2}~,~\stackrel{y_2}{4}) ~\hfill AB=\sqrt{[ 2- 5]^2 + [ 4- 5]^2} \\\\\\ AB=\sqrt{(-3)^2+(-1)^2}\implies \boxed{AB=\sqrt{10}} \\\\[-0.35em] ~\dotfill\\\\ B(\stackrel{x_1}{2}~,~\stackrel{y_1}{4})\qquad C(\stackrel{x_2}{4}~,~\stackrel{y_2}{1}) ~\hfill BC=\sqrt{[ 4- 2]^2 + [ 1- 4]^2}[/tex]
[tex]BC=\sqrt{2^2+(-3)^2}\implies \boxed{BC=\sqrt{13}} \\\\[-0.35em] ~\dotfill\\\\ C(\stackrel{x_1}{4}~,~\stackrel{y_1}{1})\qquad D(\stackrel{x_2}{6}~,~\stackrel{y_2}{1}) ~\hfill CD=\sqrt{[ 6- 4]^2 + [ 1- 1]^2} \\\\\\ CD=\sqrt{2^2+0^2}\implies \boxed{CD=2} \\\\[-0.35em] ~\dotfill\\\\ D(\stackrel{x_1}{6}~,~\stackrel{y_1}{1})\qquad A(\stackrel{x_2}{5}~,~\stackrel{y_2}{5}) ~\hfill DA=\sqrt{[ 5- 6]^2 + [ 5- 1]^2}[/tex]
[tex]DA=\sqrt{(-1)^2+4^2}\implies \boxed{DA=\sqrt{17}} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{\Large Perimeter}}{\sqrt{10}~~ + ~~\sqrt{13}~~ + ~~2~~ + ~~\sqrt{17}}~~ \approx ~~ 12.89[/tex]
Suppose a jar contains 11 dimes, 21 nickels, and 12 pennies. Find the probability of randomly choosing a penny from the jar, and then choosing a dime from the jar after the first coin is replaced.
Write the probability as a fraction in simplest form
Answers
11\44 for the dime, and 12\44 for the penny.
Step-by-step explanation:
11 dimes + 21 nickels + 12 pennies = 44 coins. 12\44 probability of randomly choosing a penny from the jar. And 11\44 probability of randomly choosing a dime AFTER the penny is replaced.
Find the perimeter 8ft 4ft
Answers
How many angles are formed by intersecting roads? Number the angles
Answers
Answer:
When two lines intersect and form 4 angles at the intersection, the two angles that are opposite each other are called “opposite angles” or “vertical angles” and these vertical angles are “congruent” – meaning they have the same shape and size.
Step-by-step explanation:
Help please + I need explanation
Answers
Answer:
61 degrees
Step-by-step explanation:
The THREE angles in the diagram sum to 180 degrees ( straight line = flat wall)
3x+1 + 58 + 4x-19 = 180
solve for x = 20 then A = 3x+1 = 61 degrees
PLS HELP
it is the last question ignore the lesson and pg number ;)
Answers
Answer:
Step-by-step explanation:
It is estimated the value of a new car decreases by 30% after one year of ownership. Find the
value of a car after one year of ownership if the cost of the new car was $24,300.
Answers
If $24300 is the 100% (full price), then after year it would be 70% of that cost (because 100% decreases by 30% in a year). We can cross multiply the values:
$24300 100%
x 70%
so cross multiplying: 100 with x and 24300 with 70
-> 100x = 1701000
so the x will be 17010
What is the value of c if, 2c + 8 = 26 ?
A.
9
B.
42
C.
18
D.
34
Answers
Answer:
Option A
The answer is 9
Step-by-step explanation:
2c + 8 = 26
Subtract 8 from both side we get,
2c + 8 – 8 = 26 – 8
2c = 18
Divide both side by 2 we get,
2c/2 = 18/2
c = 9
Thus, The value of c is 9
2c = 26 - 8
2c = 18
c = 18 / 2
c = 9
Mr. Holmes wanted to buy a computer that costs $900 and a printer that costs $250. He has
$100. Write an equation that can be used to find A, the amount of money still needed in order to
buy both the computer and the printer?
Answers
Answer:
900+250-100=1050
Step-by-step explanation:
computer cost plus printer cost subtracting his current amount equals the total amount left he needs to pay for both of the appliances.
Solve please will mark brainliest
Answers
a times (a+b)= c times (c+d)
4 times (4+18)=4 times 22=88
88=6 times (6+x)=6x+36
88=6x+36
88-36=6x
6x=52
x= 8 and 2/3
Round 3.993 to the nearest hundredth
A. 3.90
B. 4
C. 3.9
D. 3.99
Answers
Answer:
Step-by-step explanation:
3.993,
3.99
7 of 7
Text-to-Speech
7. The area of a rectangle is 84 square meters. The length of the rectangle is 5 meters
shorter than the width. What is the length, in meters, of the rectangle?
А 4
B.7
C 12
D 21
Answers
Need help on this question
Answers
Answer: 36 degrees
Step-by-step explanation:
Max went to a shopping mall with $35 in his wallet. He spent two fifths of the money he had in his wallet at the bookstore. How much money, in dollars, did he have left?
$21
$26
$10
$13
Answers
Answer:
$21
Step-by-step explanation:
1) Find the amount spent.
"Two fifths" = 2/5
So, he spent 2/5 of 35.
= 2 x 35 / 5
= 70 / 5
= 14
2) Subtract 14 from 35, since 35 is the total amount of money he had.
= 35 - 14
= 21
Answer:
$21
Step-by-step explanation:
Given that:
Max went to a shopping mall with $35 in his wallet.
He spent two fifths of the money he had in his wallet at the bookstore.
To Find:
How much money, in dollars, did he have left?
Solution:
Let the left money that max have = x
Base on the given:
$35-(2/5)×$35=x
⇒ $35-($2×7)=x
⇒ $35-$14=x
⇒ x=$21
Hence, max has $21 left.
Kavinsky
how do you solve -4 + y = 6 and y= 7x - -6 by substitution?
Answers
Answer:
by doing the math
Step-by-step explanation:
do (7x)-(-6) then the other problem and find out witch one is more
Answer:
x=4/7 and y=10
Step-by-step explanation:
To solve for x, we must isolate y in one of the equations to then insert it into the other equation. We can take the first equation, -4 + y = 6, and add 4 to both sides. This gives us y = 4+6, or y = 10. Since y is a variable, we can subsititute 10 into the second equation, y = 7x - (-6), giving us 10 = 7x - (-6). The minus negative six is equal to plus six. This gives us 10 = 7x +6. Now we can solve for x. Subtract 6 from both sides; 4 = 7x. Now to find x, we have to divide both sides by 7. This gives us x = 4/7.
Chloe's new lunch box is only 5 centimeters in height, so it fits in her backpack along with all her books. The lunch box has 3 sections for different types of food. The length and width of the lunch box are 22 centimeters and 14 centimeters. What is the volume of Chloe's new lunch box?
Answers
Answer:
1,540
Step-by-step explanation:
length times width times height makes the volume
Hope this helps
BTW it's my birthday
3 times what number equals 1
Answers
Answer:
1/3
Step-by-step explanation:
essentially saying 3x = 1 where x is the unknown number.
we now solve for x
x= 1/3
The radius of a semicircle is 17 millimeters. what is the semicircle's perimeter?
Answers
Answer:
87.407
Step-by-step explanation:
circumference = 2*pie*r
= 2*pie*17
=106.8/2
=53.4
53.4+(17*2)
=87.4
Answer:
Step-by-step explanation:
it 87.38
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