which is a valid proportion A.) 3/4=21/28 B.) 5/6=29/30 C.) 4/7=16/49 D.) 2/5=12/15
Let y=x^4-2. Find the average rate of change of y with respect to x over the interval (2,6)
A. 112
B. 320
Answer:
A.
Step-by-step explanation:
Consider the point A located at the coordinates (3,5). First, reflect the point over the x-axis. Then translate that reflected point up 4 units and label this point A". What are the coordinates of A"?
a A"(-3,9)
b A"(7,-5)
c A"(1,5)
d A"(3-1)
Answer:
(3,-1)
Step-by-step explanation:
The drama club spent $8.50 per person on food for a cast party. The total cost of the food was $229.50. How many people were at the cast party?
A. 27 people
B. 221 people
C. 238 people
D. 1,951 people pls hellllllp meeeeeeee
Answer:A
Step-by-step explanation:you divide the amount spent by the people
229.50÷8.50=27
Answer:
im 100% sure its A
Step-by-step explanation:
can someone help me plz
6^2+(3⋅4)−2^4 does any one get this
Answer:
The answer is 18
Step-by-step explanation:
A bullet train can travel at 170 miles per hour. Will a graph representing distance in miles compared to time in hours show a proportional relationship? Explain.
Answer:
Yes
Step-by-step explanation: Yes because you can show the hour and the miles; for eample, if it stops you can graph how many miles it does in an hour, so on and so forth
I NEED HELP ITS DUE TODAY!
Answer:
A= 30
B= yes a triangle and a rectangle
C= hb/2 and bxh
D= 12 for the triangle and 18 for the rectangle
Step-by-step explanation:
Im good like eht.
Jenna reads $14$ pages in $28$ minutes.
At this rate, how many pages does she read in $50$ minutes?
Answer:
I think the answer is 25 pages.
Step-by-step explanation:
14 pages in 28 minutes = 14 pages
7 pages in 14 minutes =7 pages
= 21 pages in 42 minutes = 21 pages
3.5 pages in 7 minutes = 3.5
24.5 page in 49.5 minutes = 24.5 pages
Jake, Becky, and Max are meeting at Charley's Pizza for dinner and then plan to go to a movie. When they arrive at the pizza place, each one of them has a different coupon. They decide to use the coupon that will give them the best deal. Jake's coupon is $19.99 for a pizza and pasta meal deal; Becky's coupon is for two large one-topping pizzas--each at of the menu price; and Max's coupon is for three medium one-topping pizzas -- each at off the menu price. According to the menu, a medium one-topping pizza is $8.99, and a large one-topping pizza is $14.89. They also spend $1.25 each for sodas and $5.00 on the tip. At the movie theater, Max has a coupon that's good for off a third movie ticket when you purchase two other movie tickets at the regular price. The regular price of each movie ticket is $9.80.
Although Jake, Becky, and Max plan to split the cost of the pizza and movie, they decide that with the coupons, it's just easier if one of them pays at each place. So, the friends agree that Jake will pay for the pizza and Becky will pay for the movies. At the end of the night, they'll figure out how much Max owes both Jake and Becky.
If Jake gives the server $30 at the pizza place, he should receive back ______
$1.50 in change (after leaving the tip).
A: More than
B: less than
C: Exactly
I NEED HELP ASAP (Im stupid). !!! IF YOU HELP ME ILL GIVE YOU EXTRA POINTS AND YOU GET BRAINLIEST!!!! PLEASE HELP :C!!!
Answer:
5:B
6:F
Step-by-step explanation:
East Middle's football team was positioned on the 50 yard line. After a penalty is called, the football team is pushed back 5 yards. If East Middle's football team is charged with the same penalty 3 plays in a row, on what yard line is the football team positioned?
A. 65 yard line
B. 35 yard line
C. 25 yard line
D. 15 yard line
Answer:
The answer would be the 35 yard line.
Step-by-step explanation: This is because if they get a 5 yard penalty 3 times, that would be a total of 15 yards lost. So, you would do 50-15, getting 35, so boom, 35 yard line :)
You are driving from your house to your friend's house. The distance y (in miles) that you are from your friend's house after x minutes is y = −1/2x + 4. Graph the equation. Then determine how long it takes to drive from your house to your friend's house.
Answer:
I will not be able to help with this question much but a website to help you graph??? I would recommend desmos.com. Hope this helps!!!
.Step-by-step explanation:
Answer:?
Step-by-step explanation:
it must be hard
Does anyone else know?
PLZ HELP ME IN Five MINS
Battman
Answer:
use a calculator
Step-by-step explanation:
u could go on a calculator or just search up the answers. I know this isnt technically helpful, but just search it up :)
(Copying word by word from the sheet)
Your teacher is wondering if the absolute value of a number can ever be negative. Is she correct? Why or why not? Use specific examples and sound mathematical reasoning to support your answer.
(help wth does that mean-)
]Absolute value represents distance on a number line. Distance can never be negative
Step-by-step explanation:
Which is an estimate of 15 to one decimal place?
A 1.5
B 3.8
C 3.9
D 4.1
Answer:
A i believe
Step-by-step explanation:
Please answer g + 3g and 8d - d with work shown FAST PLEASE
Answer:
g+3g would be 4g since they stack. 8d-d would be 7d.
Step-by-step explanation:
Answer: g + 3g = 4g
and 8d - d = 7d
If you have to combine them it would be 7d + 4g
Step-by-step explanation:
Imagine a "1" in front of any letter/variable that you have to add or subtract
if u help me ill mark u with the crownnnn ;3
Answer:
C
Step-by-step explanation:
if you add them all up you get 450 then divide by 3
Answer:
150
Step-by-step explanation:
did the work its right
if there are 208 ducks in the lake and there are 499 more duck that want to join. But the lake can only fit 250. How would they get all the ducks in how big does the lake need to be. Explane your answer.
hello, there are 208 ducks, there are 449 more ducks who want to come to the lake 208 + 499 = 707 total ducks The maximum number of ducks this lake can buy is 250.
formula = total ducks - total number of ducks it can afford = calculates how big the lake can be.
so 707-250 = 457
Answer:
457
Step-by-step explanation:
I used a caculator!
2. Mr. Andrew wants to give each of his students an equal number of the crayons he bought. There are 32 students in Mr. Andrew’s class. How many crayons will each student get?
Estimate first.
Solve the problem and explain your answer using pictures, diagrams, equations, and/or words.
3. How many more boxes of crayons does Mr. Andrew need if he wants each of his students to get 12 crayons? Explain your answer.
Answer:
Step-by-step explanation:
2.
Because we don't know how many crayons he bought we will call it c.
c = total number of crayons purchased
T = total number of crayons each student gets
To determine how many crayons each student gets we divide c by 32, because that's the number of students in his class.
c / 32 = T
So let's say he purchased 120 crayons.
c = 120
120/32 = T
T = 3.75
Since he can't give a fraction of a crayon, in this case, each student will get 3 crayons.
3.
We will now pretend there are 24 crayons in 1 box.
So T still equals the total number of crayons each student gets and c still equals number of crayons purchased, but now we also have b which equals the number of crayons in 1 box.
c = total number of crayons purchased
T = total number of crayons each student gets
b = number of crayons in 1 box
x = number of boxes purchased
So b*x = c
We can still write the equation:
c / 32 = T
We know T = 12 So we plug 12 in for T
c / 32 = 12 Now multiply each side by 32, so 32 will cancel on the left.
32c/32 = 12 * 32
c = 12 * 32
c = 384
So if he needs to purchase 384 crayons we can use our other equation.
b*x = c
b = 24
c = 384
So we plug those in.
24x = 384 Divide each side by 24 so 24 will cancel on the left.
24x/24 = 384/24
x = 384/24
x = 16
So he needs to buy 16 boxes of crayons in this instance. We can figure out how many boxes he bought in #2 by using the same equation.
b*x = c
c = 120 in #2
b =24
24 * x = 120
24x/24 = 120/24
x = 120/24
x = 5
So for each student to have 12 crayons he needs to purchase 11 more boxes (16 - 5 = 11).
This will work for whatever numbers you were given.
Remember:
c = total number of crayons purchased
T = total number of crayons each student gets
b = number of crayons in 1 box
x = number of boxes purchased
b*x = c
c / 32 = T
PLS HLP ME RN ILL GIVE BRAINLIEST TO THE BEST ANSWER!!!!!!!!!!!111111
Answer:
44.6
Step-by-step explanation:
i cant really tell what your asking but i think the question is what is 7 degrees equal and in fahrenheit that would equal 44.6 and in celsius it would just be 7
Can someone help me please?
Answer:
1. m = 3x
2. Possibly doesn't have a constant rate of change, because if you were to multiply 4.9 to the other coordinates/points/x values provided, you would not get the correct value for y, this means that the rate of change is not constant. Not only that but if you are to find a value that can multiply and add up to each, it would not go with the first coordinate.
3. The constant rate of change is found to be: m = 0.375
Step-by-step explanation:
In the question, it is asking for the constant rate of change.
This can be found determined by the graphs:
x | y
5 | 15
8 | 24
12 | 36
24 | 72
From what is shown, on x's side, we can see that:
5 · 3 = 15
8 · 3 = 24
12 · 3 = 36
24 · 3 = 72
This means that the constant for the first graph is m = 3x.
x | y
2 | [tex]\frac{3}{4}[/tex]
4 | [tex]1\frac{1}{2}[/tex]
6 | [tex]2\frac{1}{4}[/tex]
8 | 3
If you change the fractions into decimals:
[tex]\frac{3}{4}[/tex] = 0.75
[tex]1\frac{1}{2}[/tex] = 1.5
[tex]2\frac{1}{4}[/tex] = 2.25
= 3.00
(The change is + 0.75)
0.75 + 0.75 = 1.5
1.5 + 0.75 = 2.25
2.25 + 0.75 = 3.00
(But what about multiplying it?)
It is found that 0.75 DOES NOT work with muliplying, BUT we can find the rate of change if we divide 0.75 by 2
[tex]\frac{0.75}{2}[/tex] = 0.375
This would be your rate of change!
Please solve -1/3y - 6 = -11 with work shown
Answer:
y = 15
Step-by-step explanation:
Add 6 to each side, so it now looks like this: -1/3y = -5Divide each side by -1/3 to cancel out the -1/3 next to y. It should now look like this: y = 15I hope this helps!
Answer:
y=15
Step-by-step explanation:
Let's solve your equation step-by-step.
−1
3
y−6=−11
Step 1: Add 6 to both sides.
−1
3
y−6+6=−11+6
−1
3
y=−5
Step 2: Multiply both sides by 3/(-1).
(
3
−1
)*(
−1
3
y)=(
3
−1
)*(−5)
y=15
Jake, Becky, and Max are meeting at Charley's Pizza for dinner and then plan to go to a movie. When they arrive at the pizza place, each one of them has a different coupon. They decide to use the coupon that will give them the best deal. Jake's coupon is $19.99 for a pizza and pasta meal deal; Becky's coupon is for two large one-topping pizzas--each at of the menu price; and Max's coupon is for three medium one-topping pizzas -- each at off the menu price. According to the menu, a medium one-topping pizza is $8.99, and a large one-topping pizza is $14.89. They also spend $1.25 each for sodas and $5.00 on the tip. At the movie theater, Max has a coupon that's good for off a third movie ticket when you purchase two other movie tickets at the regular price. The regular price of each movie ticket is $9.80.
Although Jake, Becky, and Max plan to split the cost of the pizza and movie, they decide that with the coupons, it's just easier if one of them pays at each place. So, the friends agree that Jake will pay for the pizza and Becky will pay for the movies. At the end of the night, they'll figure out how much Max owes both Jake and Becky.
If Jake gives the server $30 at the pizza place, he should receive back ______
$1.50 in change (after leaving the tip).
A: More than
B: less than
C: Exactly
Answer:
I think it's "C" but i may be wrong
Step-by-step explanation:
Answer: 87% sure its C hopes this helped!!
Step-by-step explanation:
Matea recorded that water levels in one part of the river fell 1.05 millimeters per year for 2.48 years. Describe how you could estimate the total variation in water level
Answer:
The decrease of the decimal rate -1.05 mm/year can be rounded to -1. You don’t need to round 2.48 because you’re multiplying by -1. Since -1.05 is negative and rounded to a greater value, the estimate could be adjusted to a slightly lesser value, maybe -2.5 or -2.6.
Step-by-step explanation:
Answer:
The decrease of the decimal rate -1.05 mm/year can be rounded to -1. You don’t need to round 2.48 because you’re multiplying by -1. Since -1.05 is negative and rounded to a greater value, the estimate could be adjusted to a slightly lesser value, maybe -2.5 or -2.6.
Step-by-step explanation:
If you don't want to use that answer this is what they are looking for
Round -1.05 mm/year to –1.
Estimate the total variation as (-1)(2.48) = -2.48 mm.
Because -1.05 is negative and rounded to a greater value, adjust the estimate to -2.5 or -2.6 millimeters
Which applies the power of a power rule properly to simplify this expression?
(7 Superscript negative 8 Baseline) Superscript negative 4
(7 Superscript negative 8 Baseline) Superscript negative 4 = 7 Superscript (negative 8) + (negative 4) Baseline = 7 Superscript negative 12 Baseline = StartFraction 1 Over 7 Superscript 12 EndFraction
(7 Superscript negative 8 Baseline) Superscript negative 4 = 7 Superscript (negative 8) + (negative 4) Baseline = 7 Superscript negative 4 Baseline = StartFraction 1 Over 7 Superscript 4 EndFraction
(7 Superscript negative 8 Baseline) Superscript negative 4 = 7 Superscript (negative 8) (negative 4) Baseline = 7 Superscript negative 32 Baseline = StartFraction 1 Over 7 Superscript 32 EndFraction
(7 Superscript negative 8 Baseline) Superscript negative 4 = 7 Superscript (negative 8) (negative 4) Baseline = 7 Superscript 32
Answer:
its D the last one
Which point represents the linit rate?
2.
2
Х
Answer:
x
Step-by-step explanation:
Answer:
X
Step-by-step explanation:
will give brainlist
Sonny substituted 5 for x in the proportion Start Fraction 16 over x End Fraction = Start Fraction 48 over 15 End Fraction and cross multiplied to get 240 = 240. Why is this?
A. because the cross sums of the proportion are equal
B. because the cross differences of the proportion are equal
C. because the cross products of the proportion are equal
D. because the cross quotients of the proportion are equal
Answer:
D
Step-by-step explanation:
what is -5 * (3 - 10)² - 3²? Every app I use gives me a different answer; please explain, and use PEMDAS.
-5(3-10)²-3²
=-5(-7)²-3²
=(-5)(49)-3²
=-245-3²
=-245-9
=-254
Answer:
You have to simplify:
Your answer: −254
Step-by-step explanation:
Hope this helps : )
Im 100% sure this is right : )
Enter the sum of the numbers as the product of their GCF and another sum. 42 + 30