Answers
Step-by-step explanation:
5 star 5 star 5 star5 star
Related Questions
Think about the graphs of the equations in the following system.
x² + y² =2
y = 2x2 – 3
Which of the following describes the system?
Answers
Answer: the answer would be a
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Edge 2020
People with O-negative blood are universal donors. That is, any patient can receive a transfusion of O-negative blood. If three people randomly arrive to donate blood at a blood drive, what is the probability that at least one of them is a universal donor?
Answers
Answer:
Probability of at least 1 out of 3 being O-negative = 20.1%
Note: The question is incomplete. A similar question is given below:
People with type O-negative blood are universal donors. That is, any patient can receive a transfusion of O-negative blood. Only 7.2% of the American population have O-negative blood. If we choose 10 Americans at random who gave blood, what is the probability that at least 1 of them is a universal donor?
Step-by-step explanation:
Probability of O-negative blood in the population = 7.2% or 0.072
Probability of not being O-negative = 1 - P(O-negative) = 1 - 0.072 = 0.928
Using the multiplication rule to determine the probability of 10 people not being O-negative
Probability of 10 not negative = (P(not O-negative)¹⁰ = (0.928)¹⁰ = 0.4737
Hence, probability of at least 1 being O-negative = 1 - P(not O-negative) = 1 - 0.4737 = 0.5263
In percentage, P(at least 1 out of ten being O-negative) = 52.63%
Given 3 random donors
Probability of 3 not negative = (P(not O-negative)³ = (0.928)³ = 0.7991
Hence, probability of at least 1 being O-negative = 1 - P(3 not O-negative) = 1 - 0.7991 = 0.2009
In percentage, P(at least 1 out of 3 being O-negative) = 20.1%
A pedestrian walks at a rate of 6km per hour east. The wind pushes him northwest at a rate of 13 km per hour. Find the magnitude of the resultant vector.
Answers
Answer:
The magnitude of the resultant vector is 11.53 km/h
Step-by-step explanation:
Please find the attached image for explanation;
Use the information given to enter an equation in standard form.
Slope is 6/7 and (2, 4) is on the line.
Answers
Answer:
es a igpiia2223l
Step-by-step explanation:
describe the error in this problem. What would you do differently?
(4x^3 y^7)^3
=12x^9 y^21
Answers
Answer:
4 was multiplied by 3; instead the 4 should've been raised by the power of 3.
Step-by-step explanation:
For my analysis I am assuming that the exponent on the first figure is only on the variable.
(4x^3 y^7)^3
Distribute the exponent on the parentheses to all exponents inside of the parenthesis.
((4^3) ((x^3)^3) ((y^7)^3))
64(x^9)(y^21)
The error in the problem therefore, is that 4 was multiplied by 3 instead of raised by the power of 3 (4(4)(4)).
PLEASEE HELPPP IM HAVING TROUBLEEEEE PLEASE PLEASE ITS DUE IN AN HOURR
Answers
Answer:
I don't know i'm SO sorry i just have to get points to asks my own question..i wish you gl :c
Step-by-step explanation:
Determine which relation is a function.
Answers
Answer:B
Step-by-step explanation: The X coordinates can not repeat. Each X coordinates has to be a different number.
Plz plz help ASAP please plz
Answers
Answer:
Circle A or +2
Step-by-step explanation:
Step 1. Cross Multiply
This gets you -15 * -2 and -16 * -1
Step 2. Simplify
This gets you 30/16 which converts to 15/8 or 1 7/8
Step 3. Round your answer to the nearest whole number
This would result you with positive 2
Step 4. CIRCLE A :)
Fill in the blank to complete the following sentence
the two roots a+ square root of b and a- square root of b are called ___radical
Answers
Answer:
conjugate
Step-by-step explanation:
just took the test
( — 6x — Зу = 0)
(x — Зу =-7)
Answers
Which system of equations has the solution shown in the graph?
A.y=-5+1 and y=-x+5
B.y=5x+1 and y=-x-5
C.y=5x-1 and y=-x+5
D.y=-5x-1 and y=-x-5
Answers
Answer:
C. y = 5x - 1 and y = -x + 5
Step-by-step explanation:
These two are the only sets that graph correctly as shown in the image.
y=5x-1 and y=-x+5
Which expression is equivalent to the one below?
(20 x 96) = 181
Answers
Answer:x
=1.023211
Step-by-step explanation:
Using the formula for circumference, =×, choose the answer that most accurately represents the circumference of the circle. Use 3.14 for pi. 5.6 cm 5.652 cm 5.7 cm 5.65 cm __________________________ 1.8 cm
Answers
Answer:
Step-by-step explanation:
Circumference of a circle = πd
d is the diameter of the circle
Let us assume the diameter to be 1.8cm
Substitute into the formula;
C = 1.8π
C = 1.8(3.14)
C = 5.652 cm
Hence the circumference of the circle is 5.652cm
Anyone help me out plzz
Answers
Answer:
-4 :)
Step-by-step explanation:
2([tex]\frac{1}{2}[/tex][tex])^{3}[/tex] + 3[tex]\frac{1}{4}[/tex] - 5 = -4
Can someone please right a equation that is the parent function of absolute value, reflects across the x-axis, has a vertical shift up 3, and has a horizontal shift left 2.
Answers
Answer:
y= –Ix+2I+3
Step-by-step explanation:
Find the unit rate $15.75 for 7 pieces of gum
Answers
answer 0.44 7/15.75
please give me brainist
Answer: 2.25
hope it helped I divided 15.75 by 7
Can I have Brainliest?
Step-by-step explanation:
can you guys help me please?
Answers
Answer:yes
Step-by-step explanation:
Did she solve the problem correctly? Yes. She solved the problem correctly. No. She multiplied the dividend by the divisor instead of finding the reciprocal. No. She multiplied the denominators instead of finding a common denominator. No. She multiplied with the reciprocal of the dividend instead of the reciprocal of the divisor
Answers
Answer:
last one
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
GOOD LUCK!!!
2. Julio is playing a trivia game. On his first turn, he lost 100
points. On his second turn, he lost 75 points. On his third turn, he
lost 85 points. Write a sum of three negative integers that models
the change to Julio's score after his first three turns.
Answers
Answer:
-260
Step-by-step explanation:
-75+-85+-100
which diagram shows plane PQR and plane QRS intersecting in only QR
Answers
In this diagram, points Q and R are found in both planes. Line QR is the result of intersecting the two planes together.
For something like diagram B, point Q is only found on one of the planes (the horizontal one) and not the other plane (the vertical one). So we can rule choice B out. The other choices are eliminated for similar reasoning.
Help please like how do you explain it the steps
Answers
The answer and explanation is written above
Hope this helps.
Please mark as brainliest
Andre ran 2 kilometers in 15 minutes, and Jada ran 3 kilometers in 20 minutes. Both ran at a constant speed. In kilometers, How far did Andre run in 60 minutes ?
help ASAP
Answers
Answer:
They did not run at the same speed. Calculation of their speed shows that Jada was running at a higher speed.
Step-by-step explanation:
Let's first calculate the speed of each person using the units provided so that we do not complicate the question.
speed = distance covered/time taken
Andre's speed = 2 km/15 min = 0.133 km/min
Jada's speed = 3km/20 min = 0.15 km/min
Clearly we can see that Jada was running at a higher speed than Andre. The question says they were running at constant speed not equal speed. That just means each person maintained their speed, they did not get faster or slower.
In how many ways can 12 people be seated on stage:
a) using all 12 people
b) using only 7 people
please help! i will give best answers braniliest!
Answers
Answer:
a
Step-by-step explanation:
because there is 12 people
Answer:
A
Step-by-step explanation:
There are 12! Since 90 degree rotations of the seats are technically equivalent, so just divide by 4, which yields 12!
Joe bought a box of laundry detergent that contains 195 scoops. Each load of laundry uses 2.5 scoops. How many loads of laundry can he do with this one box? The box of detergent was $19.99. How much is he paying for each load that he washes? Round to the nearest hundredths place.
Answers
Answer:
-Joe can do 78 loads of laundry with this one box.
-He is paying $0.25 for each load that he washes.
Step-by-step explanation:
To determine the number of loads of laundry that Joe can do with this one box, you have to divide the total amount of scoops in a box by the amount of scoops that each load of laundry uses:
195/2.5=78
This means that Joe can do 78 loads of laundry with this one box.
Now, to find the amount that he is paying for each load that he washes, you have to divide the cost of the box of detergent by the amount of loads of laundry you can do with one box:
19.99/78=0.25
According to this, he is paying $0.25 for each load that he washes.
please helpppppppppp
Answers
Answer:
75
Step-by-step explanation:
$15 x 5hrs = $75
Solve for inequality’s. Show your work.
(3х – 2y = 14
( 2x + 2y = 6
Answers
So 2x + 3x - 14 = 6
5x = 20
x = 4
So now that we know x=4, we plug it into the first equation to solve for Y:
3(4) - 2y = 14
12 - 2y = 14
-2y = 2
y = -1
x = 4
y = -1
-17 + 28 does anyone know the answer
Answers
Answer:
11
Step-by-step explanation:
-18+28 = 28-17 = 11
hope this helps
11
-17 + 28
28 has a greater value so we subtract 17 from it.
28 - 17
The answer will be positive because the greater number (28) was positive.
11
In order for the data in the table to represent a linear Function with a rate of charge of +5. What must be the value of a?
Answers
Answer:a=18
Step-by-step explanation:
What is the unit rate for miles per gallon?
Answers
Answer:
24 to 6
Step-by-step explanation:
Answer:
the first answer is right
**WILL GIVE BRAINLIEST**
Example 2: Leonardo saw the new sound system he wanted for $2623.95, including taxes. He had to buy it on
credit and had two options:
-
Use his new bank credit card, which has an interest rate of 14.5% compounding daily (Because the this
credit card is new, he has no outstanding balance from the previous month)
Apply for the store credit card, which offers an immediate rebate of $100 on the price, but has an interest
rate of 19.3%, compounded daily.
As with most credit cards, Leonardo would not pay any interest if he paid off the balance before the due date on
his first statement. However, he cannot afford to do this. Both cards require a minimum monthly payment of 2.1%
on the outstanding balance, but Leonardo is confident that he can make regular payments of $110.
Answers
Answer:
assuming 30 day months:
Leonardo can pay up to $110 per month
credit card
daily interest = 14.5% / 360 = 0.040278%
monthly interest = (1 + 0.040278%)³⁰ - 1 = 1.2154%
I prepared an amortization schedule using an excel spreadsheet
It will take Leonardo 29 months to completely pay off his debt. The last payment will only be $37. Leonardo will be able to save $65 on his last payment if he uses his credit card.
store credit
daily interest = 19.3% / 360 = 0.05361%
monthly interest = (1 + 0.05361%)³⁰ - 1 = 1.6209%
principal will be $100 lower, $2,523.95
I prepared an amortization schedule using an excel spreadsheet
It will also take Leonardo 29 months to completely pay off his debt, but the last payment will be $102, which is higher than the $37 that he would need to pay using a credit card.
