Answers
Answer:
proved
Step-by-step explanation:
hope it helped!!!
Related Questions
There are infinite numbers of rational number between any 2 rational numbers which one of the following lies between 20/30 and 40/50?
A. 3/5 b. 11/15 c. 41/30 d. 14/15
Answers
Answer: B 11/15
Step-by-step explanation: 11/15 = 22/30> 20/30
but 11/15 = 110 /150 < 120/150 = 30/50
A salmon is swimming in a river that is flowing downstream at a speed of 2 miles per hour. The slamon can swim 12 miles upstream in the same amount of time it would take 24 miles downstream. What is the speed of the salmon in still water?
Answers
Answer:
The speed of the salmon in still water is 6 mi/h
Step-by-step explanation:
When an object moves with a speed So (So measured in still water) in a river with speed Sr:
If the object moves along the current (downstream), then the actual speed of the object will be:
S = So + Sr
If the object moves upstream, then the velocity will be:
S = So - Sr
In this case we know the speed of the river downstream is 2 mi/h
Sr = 2mi/h
And we know that the salmon can swim 12 miles upstream in the same time (T) that it can swim 24 miles downstream.
Here you need to remember the relation:
Distance = Time*Speed.
Then we know that:
24 mi = (So + 2mi/h)*T
12 mi = (So - 2mi/h)*T
Now we can take the quotient of these two equations to get:
(24mi/12mi) = ( (So + 2mi/h)*T)/((So - 2mi/h)*T)
2 = (So + 2mi/h)/(So - 2mi/h)
Let's multiply both sides by the denominator of the right part:
2*(So - 2mi/h) = (So + 2mi/h)
2*So - 4mi/h = So + 2mi/h
Now we need to isolate So, the speed of the salmon in still water:
2*So - So = 2mi/h + 4mi/h
So = 6mi/h
The speed of the salmon in still water is 6 mi/h
Total surface area if 5.5in 4.5in and 3 in
Answers
Answer:
109.5in squared
Step-by-step explanation:
Use formula b x h to solve each rectangular side, after wards add the values up.
If you don’t know the answer please don’t answer don’t answer anything please
Answers
9514 1404 393
Answer:
(-1, -1/2)
Step-by-step explanation:
The midpoint is the average of the end points.
((-11, 0) +(9, -1))/2 = (-2, -1)/2 = (-1, -1/2)
The midpoint is (-1, -1/2).
ILL GIVE THE BRAINLIEST pls help me with this question just tell me which one is the right answer you can show your work if you want to you don't have to EVERYTHING IS IN THE PICTURE PLS HELP DUE TODAY IF YOU DON'T PUT THE RIGHT ANSWER ILL REPORT YOU FASTER THAN THIS IS DUE
Answers
Answer:
both are correct
Step-by-step explanation:
A quantity with an initial value of 140 decays continuously at a rate of 4% per decade. What is the value of the quantity after 98 years, to the nearest hundredth?
(pls answer)
Answers
9514 1404 393
Answer:
93.84
Step-by-step explanation:
The exponential function will be of the form ...
q = a×b^t
where 'a' is the initial quantity and b is the growth factor per time period t.
If we use decades as the time period, then the growth factor is 1 more than the growth rate of -4%. For the initial value 140, the function is ...
q = 140×(1 -4%)^t
q = 140×0.96^t
98 years is 9.8 decades, so the quantity q remaining will be ...
q = 140×0.96^9.8 ≈ 93.84
The quantity remaining will be 93.84 after 98 years.
Answer:
94.6
Step-by-step explanation:
Hi please help me I'm in the middle of a test and I don't want to get grounded
Answers
Answer:
8(3j-2)
Step-by-step explanation:
Answer:
A.
[tex]8(3j - 2)[/tex]
Take your time please.
Answers
Answer
1 2/7 and 4 2/4
Step-by-step explanation:
19/7-10/7=1 2/7 and 5/4 + 7/4 + 6/4 = 4 2/4
Answer:
The first one is approximately 1.29 and the second one is 4.5.
Step-by-step explanation:
Hope this helps!
BRAINLIEST AND ACED+ PLEASE HELP ME :c
Answers
Answer:
1 1/2 x 4 1/2 x 5 = 33 3/4
find the perimeter of the figure below.
PLEASE GIVE A EXPLANATION
Answers
First, find the circumference of the circle which for a diameter of 25, would be roughly 78.54 (according to goo gle) and the equation for circumference, C= πd
Then, add the 120, because of the rectangle in between the two half circles.
So my thought process was find the circumference, assuming that it was a full circle because it has two halves of a circle on either end. Then after that, you would add the two sides of the rectangle that contribute to the size of the perimeter
Please correct me if Needed and have a good day!
Two angles of a triangle are the same size. The third angle is 3 times as large
as the first. How large are the angles?
Answers
x + x + 3x = 180 —> Simplify the left side.
5x = 180 —> Divide by 5.
x = 36
So the first two angles are 36 degrees, and the third angle is 3 times that, which is 108 degrees.
identify the first four numbers in an arithmetic sequence modeled by the formula below. a1 = 10 an = an-1+5
Answers
Answer:
1. = –5 and the recursive formula to find the next four terms. The first five terms are –5, –10, ... Use the formula for an arithmetic sequence. The first term a. 1 is 1, and n ≥ 2. ... 5. BALL A ball is dropped from an initial height of 10 feet. The maximum heights the ball ... CCSS MODELING A landscaper is building a brick patio
Step-by-step explanation:
g According to the U.S. department of Agriculture (USDA), 48.9% of males aged 20 to 39 years consume the recommended daily requirement of calcium. After an aggressive "Got Milk" advertising campaign, the USDA conducts a survey of 35 randomly selected males aged 20 to 39 and finds that 21 of them consume the recommended daily allowance (RDA) of calcium. At the ????=0.05level of significance, is there evidence to conclude that the percentage of males aged 20 to 39 who consume the RDA of calcium has increased?
Answers
Answer:
We can conclude that there is no sufficient evidence to conclude that the percentage of males aged 20 to 39 who consume the RDA of calcium has increased
Step-by-step explanation:
H0 : p = 0.489
H1 : p > 0.489
Phat = x/ n ; x = 21 ; n = 35
Phat = x/ n = 21 / 35 = 0.6
Test statistic :
(Phat - P0) ÷ sqrt[P0(1 - P0) /n]
1 - P0 = 1 - 0.489 = 0.511
Phat - P0 = 0.6 - 0.489 = 0.111
Test statistic = 0.111 ÷ sqrt[(0.489 * 0.511) / 35]
Test statistic = 0.111 ÷ sqrt(0.0071394)
Test statistic = 0.111 ÷ 0.0844949
Test statistic = 1.314
Pvalue from Tstatistic :
Pvalue = P(Z < 1.314) = 0.90558
α = 0.05
Pvalue > α ; Hence, we fail to reject the Null
We can conclude that there is no sufficient evidence to conclude that the percentage of males aged 20 to 39 who consume the RDA of calcium has increased
Look at the equation.
3+4(5−x)=19−4x+4
How many solutions does the equation have? Explain your answer.
Answers
Answer:
infinite solutions
Step-by-step explanation:
3+4(5−x)=19−4x+4
Distribute
3 +20 -4x = 19 -4x +4
Combine like terms
23 -4x = 23 -4x
Add 4x to each side
23-4x+4x = 23-4x+4x
23 =23
This is always true so there are infinite solutions
Which of the following would have the same graphic representation as the function
f) = 16.2^x? Select all that apply.
Answers
Answer:
the first on and the 4th one
Step-by-step explanation:
1. Last week Bradley worked 32 hours
and earned $312.96. What did he
earn per hour?
A $9.75
C $10.30
B $9.78
D $10.09
Answers
Answer:
B ($9.78)
Step-by-step explanation:
What is the median temperature
Answers
Answer:
88
Step-by-step explanation:
88 is the middle number all other numbers are either greater or smaller
they all revolve around the two numbers 88 and 88 when they are added together and divided by two it equals 88
A mason gets $684 for 9 days
of work how many days
should he work to get $912
Answers
Answer:
12days
Step-by-step explanation:
A mason gets 76 dollars per day. To get 912 dollars, divide 912 by 76. 12days.
Answer:
12 days
Step-by-step explanation:
912/76 = 12
Write te expanded form of 54 72/100 in a fraction form
Answers
Answer: fifty-four and seventy-two hundredths
How many squares are in this figure in all?
Answers
Answer:
explanation
Step-by-step explanation:
there
are
22
squares
all
together
There are 23 Squares within this figure
Help ASAP please ‼️
What is the value of x?
(5х)
o 14
15
оооо
110
110°
70°
Answers
Answer:
14
Step-by-step explanation:
The internal angle sum of a 4 sided polygon is 360 so set it equal to 360. 5x+110+110+70=360
5x+290=360
5x=70
x= 14
Solve the following:
NO BOTS OR PEOPLE WANTING POINTS
Answers
Answer:
8
Step-by-step explanation:
PEMDAS
so answer all exponets
100-(100+64)/8
100-164/8
-64/8
answer= -8
Weekly wages at a certain factory are
normally distributed with a mean of
$400 and a standard deviation of $50.
Find the probability that a worker
selected at random makes between
$400 and $450.
Answers
We must use the formula of the z-score to find the the probability that a worker selected at random makes between $400 and $450 dollars. Then let X1 = 400 and X2 = 450 with the mean μ = 400 and standard deviation σ = $50. Then,
z1 = (X1 - μ) / σ = (400-400) / 50 = (0/50) = 0.00 and
z2 = (X2 - μ) / σ = (450 - 400) / 50 = (50/50) = 1.00
Then, the probability yields, P(0.00 ≤ z ≤ 1.00) = 0.3413 - 0.0000 = 0.3413
Answer: 34%
Step-by-step explanation:
The probability that a worker selected at random makes between $400-$450 is 34%
Jessica bought 1/2 pound of roast beef and 5/6 pound of ham. Which pairs of fractions are equivalent to the amounts Jessica bought? Mark all that apply.
A.8/16 and 10/16
B.6/12 and 10/12
C.5/10 and 8/10
D.12/24 and 20/24
Answers
B aka D but simplified
What is the slope of the line passing through points A and B?
Please help
Answers
Answer:
C: 1/4
Step-by-step explanation:
it is correct! i hope u enjou
Answer:
1/4
Step-by-step explanation:
Between A and B, the line 'rises'/goes up 1 block vertically and 'runs'/goes across 4 blocks horizontally.
Slope = rise/run = 1/4
Can someone help me pls
Answers
Answer: if I help you can you plz put me as a brainly the answer is 15
Step-by-step explanation:
Step-by-step explanation:
hope this help! have a great day
CAN SOMEONE HELP ME UNDERSTAND THIS PLEASE
Answers
YEAH OFC SHAWTY!
so for A its -4^11 because if the powers have the same base and they are being multiplied you add the powersFor B its the same idea, they have the same base, and are being multiplied so you add the powers- 13^9For C its similar, you have the same base, but since its Dividing, you subtract the powers. So, 9^5for D you pretend like the denominator has a power of 1 and subtract. So its -24^5-24^1 which hopefully puts it into perspective of being -24^4 becuase we subtracted the powersI cant do 2 right now, but i will in a minute
And for 3 his mistake is that they arent the same bases so he cant add the powers, he should have converted them to the same base first.
Sams sells a 5-lb bag of beans for $17.25. How much is the unit price?
Answers
Answer:
$3.45
Step-by-step explanation:
17.25 divided by 5 is equal to 3.45
OMG PLS HELP!!!!!!!!!!!!!! A rectangular prism has a height of 20 cm, length of 7 cm and width of 5 cm. Use the volume formula to find the volume of this prism. A. 140 cm3 B. 500 cm3 C. 700 cm3 D. 900 cm3
Answers
Answer:
The correct answer is C: 700 cm³
Step-by-step explanation:
V = l × w × h
V = 7 × 5 × 20
V = 7 × 100
V = 700
What shape do you get when you plot and join (in order) the following points? (3, 6), (7, 6), (9, 1) and (1, 1) | plz
Answers
Answer:
Ty for stealing 40 points from me without answering my question. =_=
Step-by-step explanation:
Please do not answer questions just for points.
And I think the answer is a parallagram
Sorry if its wrong
