Answer:
She spent 48 minutes reading
Step-by-step explanation:
Here, we want to calculate the number of minutes spent reading
By adding all the breakdown of individual tasks, we get the total
Thus, mathematically;
30 + 2(t + 18) + t = 210
30 + 2t + 36 + t = 210
3t = 210-30-36
3t = 144
t = 144/3
t = 48
From the question, she spent t minutes reading which means she spent 48 minutes reading
help!, i honestly forgot this lol
Answer:
C. 21 to 28
Step-by-step explanation:
Help me, please! I am confused.
Answer:
привет, я Кейла Зи и я говорю по русски хаха, ты знаешь, я не понимаю НАСАпривет, я Кейла Зи и я говорю по русски хаха, ты знаешь, я не понимаю НАСА
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please help! no wrong answers or I will report :)
Answer:
a. (1, 1)
Step-by-step explanation:
plug into equation: 5(1)+ 4(1) less than or equal to 10
solve: 5+4=9 and 9 is less than 10
Gum is packaged in a square-based pyramid shaped box with a distance of 6 cm from the center of the base to the sides and a height of 12 cm.
a) How much material was used to create the box? (surface area)
b) What is the volume of the box?
Answer:
18 cm
Step-by-step explanation:
a) The material required to create box is 288 cm²
b) Volume of Box is 288 cm³.
What is Volume of Square based Pyramid?The area bounded by a square pyramid's five faces is referred to as its volume. A square pyramid's volume is equal to one-third of the product of the base's area and its height.
Thus, volume = (1/3) × (Base Area) × (Height).
Given:
h= 12 cm
so, base edge = √36+36= 6√2
a) The material required to create box
= a² + 2a√(a²/4) + h²
= 6√2² + 2(6√2) √(6√2)²/4 + 12²)
= 288 cm²
b) Volume of Box
= a²h/3
= (6√2)² x 12/ 3
= 72 x 4
=288 cm³
Learn more about Volume of Pyramid here:
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Giving brainliest!!!!!!!!!!
CAN SOMEONE PLEASE HELP ME AND THANK YOU
Please help ASAP :)
Becky has 785 tickets to trade for prizes. She picks a book that cost 27 tickets and a toy that cost 3 times as many tickets as the book. How many tickets does she have left?
Answer:
677
Step-by-step explanation:
785-27= 758
27*3= 81
758- 81= 677
I hope this helps!!!!
A fuel injection system is designed to last 18 years, with a standard deviation of 1.4 years. What is the probability that a fuel injection system will last less than 15 years? 25% 33% 2% 20%
Answer:
2%
Step-by-step explanation:
We are given;
Standard Design mean; μ = 18
Sample design mean; x¯ = 15
Standard Standaed deviation; σ = 1.4
Let's find the test statistic from the formula;
z = (x¯ - μ)/σ
Thus;
z = (15 - 18)/1.4
z = -2.14
From the z-table attached, the p-value at z = -2.14 is 0.01618
Thus,
P(X < 15) = 0.01618
Converting to percentage, we have
P(X < 15) = 1.618%
This is approximately 2%
Using the normal distribution, it is found that there is a 2% probability that a fuel injection system will last less than 15 years.
Normal Probability DistributionIn a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
It measures how many standard deviations the measure is from the mean. After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.In this problem:
The mean is of 18 years, hence [tex]\mu = 18[/tex].The standard deviation is of 1.4 years, hence [tex]\sigma = 1.4[/tex].The probability that a fuel injection system will last less than 15 years is 1 subtracted by the p-value of Z when X = 15, hence:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{15 - 18}{1.4}[/tex]
[tex]Z = -2.14[/tex]
[tex]Z = -2.14[/tex] has a p-value of 0.02.
0.02 = 2% probability that a fuel injection system will last less than 15 years.
To learn more about the normal distribution, you can take a look at https://brainly.com/question/24663213
A seafood market sold shrimp for $10.50 per pound. Due to a seafood supply shortage the cost of shrimp increased to $12.60 per pound. What was the percentage of the price increase?
Solve for x
33 = 34x+2
Group of answer choices
x = 1/4
x = 1/2
x = -1/2
x = -1/4
which of the following systems of equations has a solution of (1, 3) Circle all that apply.
A. 3x+5y=18. B. x=4y-11. C. x-y=2
y=2x+1. y=5x-14. 2x+3y=11
evaluate 10.3v + 9.9w when v = 7 and w = 8
Answer:
151.3
Step-by-step explanation:
The ratio 1/1000 is equal to what percent
Answer:
0.1%
Step-by-step explanation:
Answer:
.1%
Step-by-step explanation:
1/100 is 1%, move the decimal to the left once and you get .1%
answer and explanation.
Answer:
A:Write an expression for Polly's age
Answer:
a)
[tex]4x[/tex]
b)
[tex]4x + x = t[/tex]
c)
[tex]4x + x = t \\ 4(11) + 11 = t \\ 44 + 11 = t \\ 55 = t \\ t = 55[/tex]
d)
[tex]4x + x = 40 \\ 5x = 40 \\ x = \frac{40}{5} \\ x = 8[/tex]
A man standing at point A walks 1 mile south, 3 miles east, 5 miles north, and 7 miles west to reach point B. The length of line segment
AB is
A. 4 miles
B. √8 miles
C. 2 miles
D. √32miles
E. √12 miles
Answer: √32
Step-by-step explanation: so the displacement is north 4 and west 4 and it becomes a right triangle so the hypotenuse is the distance for segment AB
So Drawn out should like straight lines up,down,left,and right. So east is positive while west is negative same for North(+) and South(-)
I recommend sticking with 2 directions first. Starting with north and south right. First you go south 1 mile but then you go north 5miles in math terms
-1+5=4 or down one is one less than 5
Same for east and west. 3+-7 = -4
So we went positive 4 miles up and 4miles to the left
So (-4)^2+4^2= hypotenuse or AB segment in this case
Please help me asap! Will give brainliest + points!
Answer:
Its the 2nd one
Step-by-step explanation: Hope this helps!
Answer:
C. I and II onlyStep-by-step explanation:
The first and second statements are correct but the third statement incorrect.
The same side interior angles are supplementary (sum to 180°) but not complementary (sum to 90°)Therefore the correct choice is C. I and II only
The driving distance between Altoona, PA and Allentown, PA is 333.665 kilometers.
What is the distance rounded to the nearest tenth.
Answer:
333.7 kilometers
Step-by-step explanation:
Since the number 6 in the hundredths place and greater than five as well you round up the in the place to the left of it
PLz, help me I need the answer right now I will mark you brainliest if your answer is right...
Answer:
1. 80%
2. ?
3. $28.37
4. 37.5
5. around 6.1
6. 15
7. 333
8. $228.56
9. 0.24%
10. around 24.6% so if you round it , it would be 25%
11. 83.3%
12. $86.20
find the area of the pollelegram. bass 6 mm height 4 mm.
Answer:
6 x 4 =24
the answer is 24
Step-by-step explanation:
Can someone help me with these I don’t understand at all
Answer:
#1: ????
#2: [tex]\frac{3}{4}[/tex] x [tex]15[/tex]
#3: [tex]\frac{7}{8}[/tex] ÷ [tex]\frac{3}{4}[/tex]
Step-by-step explanation:
For #2:
[tex]\frac{3}{4}[/tex] x [tex]15[/tex].
It's that because there are 3/4 cups of honey for one cake. To use for 15 cakes, you would have to multiply it by 15.
For #3:
[tex]\frac{7}{8}[/tex] ÷ [tex]\frac{3}{4}[/tex].
It's that because the baker has 7/8 cups of honey. It takes 3/4 cups of honey for one cake. So you have to divide it by 3/4 cups in order to find out how many cakes.
Hope this helped! <3
I will mark brainly if first responder in 1 minute.
Answer:
the third one
Step-by-step explanation:
all you have to do is multiply the exponents
a shirt is marked down 20% off the original price if they're priced it was $24 what is the sale price of the shirt before sales tax
Answer: $4.80
Step-by-step explanation: 24 * 0.20 = 4.80
Em de terminado dia, sofia voltava de sua casa 2h30min acima do horario que sua mãe determinou para sua própria segurança . Sabendo que o horário que sua mãe determinou foi as 20h, qual horário que ela estava voltando?
Responda:
22:30
Explicação passo a passo:
Dado que :
Hora definida pela mãe = 20h00
Número de horas além do tempo definido = 2 horas e 30 minutos
Hora em que ela voltou para casa:
(tempo definido pela mãe + número de horas além do tempo definido)
(20h + 2 horas e 30 minutos) = 22h30
4,237 white game consoles and 952
Answer:
what
Step-by-step explanation:
Answer: funny question
Step-by-step explanation:
4,237 white game consoles and 952
subtract 7x^2-5x+3 - (2x^2+7x-4)
Answer:
5x^2-12x+7
Step-by-step explanation:
Answer:
The answer is 3x^2 - 12x + 7
Step-by-step explanation:
A P E X ! just took the test <3
A veterinarian knows that the supplement glucosamine is beneficial for dogs’ joints. He wants to determine if a supplement with both glucosamine and chondroitin would be more beneficial than glucosamine alone for dogs’ joint health. The veterinarian asks the owners of dogs with known joint issues if they would be willing to have their dog participate in his study, and 32 owners agree to the study. The dogs’ names are written on equal-sized slips of paper and placed in a hat. The veterinarian selects 16 slips of paper. These dogs are given the glucosamine treatment. The other 16 dogs are given the glucosamine with chondroitin treatment. After six months, the dogs’ joint health is measured for each treatment and compared.
Does this procedure describe a completely randomized design for this experiment?
Yes, the treatments were randomly assigned to the dogs.
Yes, the treatment groups have the same number of dogs.
No, the veterinarian did not use dogs of the same breed.
No, the hat was not shaken, so there was no randomization.
Answer:
a the treatment was randomly assigned to the dogs
Step-by-step explanation:
Yes, treatment was randomly assigned to the dogs.
What is randomized design?"A randomized design is considered as a type of experiment which is assigned to different types of treatment by conducting different experiment to different groups."
According to the question,
A veterinarian conducts an experiment to check which one is more beneficial glucosamine alone or glucosamine with chondroitin.
A veterinarian conducts experiment on 32 dogs by dividing them into two groups of 16 each randomly and done his experiment. 16 dogs are given the glucosamine treatment and other 16 are glucosamine with chondroitin.
After six months , health of each dog is measured and compared.
Hence, we conclude that yes, treatment was randomly assigned to the dogs is the correct option.
Learn more about randomized design here
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Add this is the ratio of monkey to Zeabra's is 15 to 3 if there are 45 monkeys at the zoo how many Zeabra‘s are there
Answer:
monkeys 15:3 zebras
45/15 = 3
3 X 3 = 9
there are 9 zebras
which of the following in an organic molecule
A.salt
B.lipid
C.carbon dioxide
D.water
Answer:
B. lipid is an organic molecule
Identify what kind of angle with the given measure are the following;
1.) 47°
2.) 160°
3.) 89°
4.) 10°
5.) 91°
