Answer:
15%
Step-by-step explanation:
1. 18700 ÷ 22000 = 0.85
2. 1 - 0.85 = 0.15
3. move the decimal over 2 spaces 0.15 --> 15.0
4. 15.0 = 15%
Answer: 15%
Just type it in the box.
Considera a sequencia: 5,9,13,17,21...Indica a expressão geradora desta sequencia. 5n 4n+1 5n-1 3n+1
Responder:
Tn = 4n + 1
Explicación paso a paso:
Dada la secuencia aritmética
5,9,13,17,21 ...
Debemos encontrar el enésimo término de la secuencia
Tn = una + (n-1) d
a es el primer término = 5
n es el número de términos
d es la diferencia común
d = 9-5 = 13-9
d = 4
Sustituir en la ecuación
Tn = 5+ (n-1) (4)
Tn = 5 + 4n-4
Tn = 4n + 5-4
Tn = 4n + 1
Por tanto, el enésimo término de la secuencia se expresa como Tn = 4n + 1
write standard form a.) 0.0000918 b.) 12.002×10-³
Answer:
A. 9.18 x [tex]10^{5}[/tex]
B.12002
Step-by-step explanation:
If Stevie can swim 16 laps in 4 minutes, how many can she swim each minute?
What is the length of the y-component of the vector shown below?
Answer:
A
Step-by-step explanation:
y component=17 sin 81≈16.7907≈16.8
Write the standard equation for the circle center (–9, 6), r = 9
Answer:
Step-by-step explanation:
(x+9)² + (y-6)² = 9²
Can someone plz help me with this and explain how to do this math problem
Answer:
greater
Step-by-step explanation:
the reason is because if you allow x to have a value that is less than 3,
[tex] \sqrt{x - 3} [/tex]
will produce a square root of a negative number, and the square root of a negative number requires the use of imaginary numbers, therefore limiting x to greater than or equal to 3 prevents this, also, consideration should be given to the fraction
[tex] \frac{3}{x + 2} [/tex]
if x has a value of -2 it causes the denominator of the fraction to be 0, the denominator should never be 0, by limiting x to greater than 3 to prevent the problem above you are already taking care of x not being able to be -2 since greater than 3 already excludes -2
Can someone please help and please make sure it’s right :)
From corresponding angles theorem, we can see the 2 angles are equal.
16x+13=18x-1
2x=14
x=7
Done!
Any questions just leave them in the comments and I will answer.
Answer:
Step-by-step explanation:
i think you do 34x + 12
bc it is a same side interior angle and i think that equals 180 and then you
34x+12=180
-12 - 12
34x= 168
------ ------
34 34
----------------------
i.dk i think it is 5 bc you get 4.98 so you round the 8 and it makes it a 4.10 which is 5
A grocer buys x kg of potatoes at Birr 1.50 per kg and y kg of onions at Birr 2.25 per kg.How much money does he pay in Birr?
Answer:
a is the answer
Step-by-step explanation: i k n o w
Sabe-se que os dois dormitórios possuem áreas quadradas o maior mede 60 metros quadrados e o menor mede 16metros quadrados.
a) Qual é o lado do menor quadrado?
b) Será que é possível achar um lado inteiro para o maior quadrado? Se não, justifique sua aproximação com dois números depois da vírgula.
c) Classifique que tipo de número é o lado do maior quadrado.
f (x) = 5x^2 – 3x + 2, what is f(2)?
Please help!
Answer:
f(x) = 32
by substituting the 2 in place of x
1) Um barbante tem 10,85 metros de comprimento. Se você dividir em 5 pedaços de mesmo comprimento, quantos centímetros terá cada pedaço? * 1 ponto (a) 2,17 cm (b) 217 cm (c) 21,7 cm (d) 0,217 cm
Answer:
(b) 217 cm
Step-by-step explanation:
The computation of the number of centimeters will each have is shown below:
= Length of the string ÷ number of pieces
= 10.85 meters ÷ 5
= 2.17 meters
= 217 centimeters
hence, the correct option is b.
Simplify the expression (4c−5d−3)+(12d+7−9c) . Do not use parentheses in your final answer
Answer:
−5c+7d+4
Step-by-step explanation:
Solve the simultaneous equations by substitution
3y - 2x = -7
5x + 3y = 28
Answer:
(5, 1 )
Step-by-step explanation:
Given the 2 equations
3y - 2x = - 7 → (1)
5x + 3y = 28 → (2)
Rearrange (1) expressing 3y in terms of x by adding 2x to both sides
3y = - 7 + 2x
Substitute 3y = - 7 + 2x into (2)
5x - 7 + 2x = 28
7x - 7 = 28 ( add 7 to both sides )
7x = 35 ( divide both sides by 7 )
x = 5
Substitute x = 5 into either of the 2 equations and solve for y
Substituting into (2)
5(5) + 3y = 28
25 + 3y = 28 ( subtract 25 from both sides )
3y = 3 ( divide both sides by 3 )
y = 1
solution is (5, 1 )
Answer:
-(3y-2x= -7)
3y+5x= 28
-3y+2x= 7
3y+5x= 28
7x=35
7x/7= 35/7
x=5
5(5)+3y= 28
25+3y=28
3y= 28-25
3y=3
3y/3=3/3
y= 1
3y-2x= -7
3(1) -2x= -7
3-2x= -7
-2x= -7-3
-2x= -10
-2x/-2=-10/-2
x= 5
chekin
5x+3y=28
5(5)+3(1)=28
25+3=28
28=28
polly knit a total of 45 centimeters of scarf over 5 nights. how many nights. how many nights will polly have to spend knitting in order to knit a total of 63 centimeters of scarf
Answer:
Your answer will be 567
Step-by-step explanation:
5 / 45 = 9 x 63 = 567
I hope this helps
Have a nice day/night
Mark brainiest, please
:)
What’s the surface area of the right rectangular prism shown below pls pls pls help me
Answer:
46 unit^2
Step-by-step explanation:
Total surface area=2.5*4*2+2*2.5*2+2*4*2=46
25+c+b
Answer Choices:
A)41
B)32
C)40
D)37
Answer:
C
Step-by-step explanation:
A train leaves at 14.54 and arrives at its destination at 15.47. If the train travelled 66 km, what was it's average speed in km/h? Give your answer rounded to 1 dp. step by step explanation
Answer: average speed of the train = 4,483.0 km/h
Step-by-step explanation:
Speed = Distance / Time
Distance = 66 km
Time = 15.47 cancelling 15, we have 60 sec added to 47 sec
- 14.54
= 14. 107 60 + 47
- 14. 54
53secs
53secs to hours becomes =
60 secs = 1 min
60 min= i hour
therefore 53seconds =53/3600=0.0147222hours
Speed= 66/ 0.0147222= 4,483.025
Rounding to 1 dp becomes= 4,483.0 km/h
(GIVING BRAINLIEST!!!)
A box contains 4 bags of sugar. The total mass of all 4 bags is 6 kg. What is the mass of each bag in grams?
show your work
Answer:
each bag weights 1,500 grams
Step-by-step explanation:
there are 1000 grams in a kilogram
6 times 1000 is 6000
6000 divided by 4 is 1500
Answer:
1.5 i think
Step-by-step explanation:
6/4
th
the n
Write an
explicit formula for an,
term of the
sequence 8,1,-6, ....
Answer:
what rubbish can Youcould b emade
Shawna purchased a new laptop. The sale advertised 25% off the regular price. If the regular purchase price is $575.00, what was the amount of the discount she received?
Robert has 5 pizzas at his birthday party, and each pizza is cut into 5 slices. His guests take 2 pieces from each pizza. What equation would represent the amount of pizza that is left?
Answer:
3 whole pizzas left
Step by step explanation:
well if the quest take 2 out of every 5 wholes then u would be left with 3
5 5 5
so u add then together and get [tex]3\\ 5[/tex] and add that 5 times
so u would get [tex]15\\ 5[/tex] and if u simplify u would have 3 whole pizzas left
:)
Please help ASAP please
Answer:
1,-5
3,1
0,0
-2,-3
Step-by-step explanation
im not sure any of this is correct but i tried my hardest
Which expression can be used to find 7(-6 1/8)
HELPPPP QUICK
Answer:
Step-by-step explanation:
Second box
Answer:
it is actually the first box
Step-by-step explanation:
i’ll give brainliest if you give a correct answer.
Answer: 32
Step-by-step explanation:
32 is the answer because of the number from division of one number by another two.
Hope This Helps! Have A GREAT Day!
Solve by substitution.
y = 2.3 - 11
-2 + y = -4
Solution:
Answer:
Number 1: -8.7. Number 2: -2
Step-by-step explanation:
To find the first one, subtract 11 from 2.3.
2.3-11= -8.7 , so that's the answer for the first one.
To find the answer to the second one, just do -4+-2=-2, so that's the answer for the second one.
What is the SUM of the interior angle of a 22-gon? Use the formula below.
S = (n -2) 180
Answer:
3,600
Step-by-step explanation:
(22 - 2) x 180
20 x 180
3,600
Two students, Abby and Melissa go for a walk. Abby begins walking 30 seconds earlier than Melissa .
-Abby walks at a speed of 8 feet per second.
-Melissa walks at a speed of 9 feet per second.
Abby had been walking for BLANK seconds when both students had walked exactly the same distance. (round to the nearest whole)
please help me
Answer:
270 seconds
Step-by-step explanation:
Melissa's time = x seconds
Abby's time = (x + 30) seconds
Abby walks at a speed of 8 feet per second, and Melissa walks at a speed of 9 feet per seconds.
But, speed = [tex]\frac{distance}{time taken}[/tex]
For Abby,
8 = [tex]\frac{distance}{(x + 30)}[/tex]
distance = 8(x + 30) ................. 1
for Melissa,
9 = [tex]\frac{distance}{x}[/tex]
distance = 9x ............. 2
From equations 1 and 2, for the same distance;
8(x + 30) = 9x
8x + 240 = 9x
x = 240 seconds
Abby's time = (x + 30)
= (240 + 30)
= 270 seconds
So that Abby has been walking for 270 seconds when both students had walked exactly the same distance.
The time taken is 270 seconds.
Given that,
Two students, Abby and Melissa go for a walk. Abby begins walking 30 seconds earlier than Melissa . Abby walks at a speed of 8 feet per second. Melissa walks at a speed of 9 feet per second.Here we assume Melissa time be x and Abby time be x + 30Based on the above information, the calculation is as follows:
8(x + 30) = 9x
8x + 240 = 9x
x = 240
So Abby time should be
= 240 + 30
= 270
Learn more: brainly.com/question/17429689
A bottle contains 1.6L of water a second bottle constrains 390 mL of water what is the total number of mL in both bottles
Answer:
1990 ml is the answer thank you
Three angle are labeled below the acre. The smallest angle is 3/8 as large as the 160 angle. Find the value of angle a
Answer:
140°
Step-by-step explanation:
Three angle are labeled below the acre. The smallest angle is 3/8 as large as the 160 angle. Find the value of angle a
The value of the smallest angle is given as:
= 3/8 of the 160 angle
=3/8 × 160°
= 60°
The sum of the total angle = 360°
Hence:
360° = 60° + 160° + a
a = 360° - (60° + 160°)
a = 360° - 220°
a = 140°
Therefore, a = 140°
(100Y 2 - 7ΟΥ + 49) (10Y + 7)
we have to multiply
Answer:
1300y^2+1400y+343
Step-by-step explanation:
Use FOIL to cancel out the products