Answer:
9/2
Step-by-step explanation:
Let a = 4 and b = 3. Select from the drop-down menu to create a true statement. 2ab+b2 > 3a2– Choose... A. 2 B. 2b C. 4a D. 4b
Answer:
the first one is correct
Step-by-step explanation:
A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. The perimeter is 19 inches.
What is the measure of x?
5
3
9
2
Answer:
x=9
Step-by-step explanation:
x + x - 4 + x - 4 = 19
3x - 8 = 19
3x = 19 + 8
3x = 27
x = 9
Answer: x=9
Step-by-step explanation:
There are three sides 2 that are x-4 and 1 that is x. The equation would be
x+2(x-4)= 19 so you would simplify to get
X+2x-8=19 then 3x=27 then divide by three to get x=9
Simplify the expression by distributing and combining like terms.
HELP ME!!!!!X(
Anna spent $42 of her savings on music downloads. if the amount she spent was 30% of her savings, how much savings did she have before downloads
plzzzz help
you dont have to do all of them but if u do u get 5 stars and brainiest but pls help mee
Answer:
1)m=-6 2)p=-25 3)n=13 4)x=1 5)n=-18 6)r=46 7)=-17 8)x=-30 9)n=49 10)a=33
Step-by-step explanation:
Read The Question On The Following PNG
brainliest for correct answer with work
Mary is 21 years old. Her age is 9 years more than 3 times Henry’s age. Which equation can be used to determine x, Henry’s age in years?
HELP ASAP PLEASE
A: 3x + 9 = 21
B: 21 + x = 3(9)
C: 9 + 21 = 3x
D: x + 9 = 21
Answer:
i think its a
Step-by-step explanation:
Answer:
21 = 9+3x or A
Step-by-step explanation:
the answer is a :)
Which expression best defines a rational number?
A. has a decimal form that can be rounded
B. has a decimal form that cannot be rounded
C. has a decimal form that is terminating or repeating
D. has a decimal form that is nonterminating and nonrepeating
Rational numbers are terminating or repeating numbers. Therefore, option C is the correct answer.
We need to check from the options which expression best defines a rational number.
What are rational numbers?Rational numbers: Rational numbers are in the form of p/q, where p and q can be any integer and q ≠ 0. This means that rational numbers include natural numbers, whole numbers, integers, fractions of integers, and decimals (terminating decimals and recurring decimals).
Rational numbers can be easily identified with the help of the following characteristics.
All integers, whole numbers, natural numbers, and fractions with integers are rational numbers.If the decimal form of the number is terminating or recurring as in the case of 5.6 or 2.141414, we know that they are rational numbers.In case, the decimals seem to be never-ending or non-recurring, then these are called irrational numbers.So, from the definition, we understood that rational numbers are terminating or repeating numbers.
Therefore, option C is the correct answer.
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David went for a run in his town.
• He ran from his house to the school, which is 1.2 miles.
• Then he ran 3 laps around the school track. Each lap is 0.25 miles.
• Then he ran halfway to the gas station. The distance from the school track to the gas station is 2.68 miles
Finally he ran straight home, which is 0.49 miles.
What is the total distance David ran?
A lost turtle - swimming 13 feet below the surface of the water - begins to ascend at 0.5 foot per second. In hopes of (harmlessly) capturing the turtle, a diver jumps into the water to a depth of 4 feet before descending at a rate of 0.25 foot per second.
a) Write an equation to model the position of the turtle at any given time.
b) Write an equation to model the position of the diver at any given time.
c) After how long will the diver be able to catch the turtle?
d) At what depth will the diver be able to catch the turtle?
9514 1404 393
Answer:
a) T(t) = -13 +0.5t
b) D(t) = -4 -0.25t
c) 12 seconds
d) 7 feet
Step-by-step explanation:
a) The turtle starts at -13 feet and increases its elevation relative to the water's surface by 0.5 ft/second. After t seconds, the turtle will be 0.5t feet closer to the surface, so its depth will be ...
T(t) = -13 +0.5t
__
b) The diver starts at -4 feet and decreases their elevation relative to the water's surface by 0.35 ft/second. After t seconds, the diver will be 0.25t lower than the initial position, so their depth will be ...
D(t) = -4 -0.25t
__
c) The diver and turtle will be at the same depth when ...
T(t) = D(t)
-13 +0.50t = -4 -0.25t
0.75t = 9 . . . . . . . . . . . . add 13+0.25t
t = 12 . . . . . . . . . . . . . . . divide by 0.75
The diver and turtle will be at the same depth after 12 seconds.
__
d) That depth will be ...
T(12) = -13 +0.5(12) = -13 +6 = -7
The diver and turtle meet at a depth of 7 feet.
The rate to rent a truck for a day is a one-time fee of $35 and $0.20 per mile.
Write an expression to model this situation.
How far could you travel if you drove 40 miles?
Answer: y= $0.20x + $35 or y= $0.20 * 40 + $35 (Depending on what you mean)
Step-by-step explanation:
The equation for these types of problems is y = mx + b.
M would be $0.20, because that is the value that can repeat, based on x. For example, if this was 2 dollars per mile (m) for 3 miles, (x) than y, the total amount for mx would amount to 6 dollars.
Now, 35$ Is a one time fee (b), so you can add that separately to $0.20x.
If you plug everything in, you would get y= $0.20x + $35.
I am not very sure about what you mean by “ How far you could you travel if you drove 40 miles”, but if you mean how much would you pay to drive 40 miles, I can help there.
Now that we know x would be the amount of miles, we can plug that into the equation.
You would get y= $0.20 * 40 + $35.
Sorry, I’m not that good at explaining, but I hoped this helped!
100) slope and y-intercept , answer ASAP ( I will give extra points)
Answer:
now this one i don't understand. i got the last one but not this one.
Step-by-step explanation:
Find the new amount given the original amount and the percent of change. $5; 40% increase The new amount is $
Answer:
3
Step-by-step explanation:
5$ -40%=3
Let x represent the number of adults entering the movie theater and let y represent the cost,in dollars,of admission to the movie theater.Write an equation to illustrate the relationship between the number of adults entering the theater and the cost in dollars for admission
Select all the expressions that are equivalent to –8.
A)80100
B)–800100
C)80 ÷ (–10)
D)–80 ÷ (–10)
E)−80−100
Answer:
The only one I can see right now is (C)
Step-by-step explanation:
Because a positive divided by a negative is negative, so 80/-10 is -8.
For A and B the numbers dont seem to make sense, are there any equations in middle of the numbers? I can help in comments if you tell me.
The expressions that are equivalent to –8 is only option C i. e 80 ÷ (–10)
What is Expression?Expression is a combination of operators, variables and numbers
Two expressions are said to be equivalent when we solve both we get the same answer.
For A and B the numbers dont seem to make sense, are there any equations in middle of the numbers
For option C, –8 is equivalent to 80/-10 because a positive divided by a negative is negative, so 80/-10 is -8.
For option D, –8 is not equivalent to -80/-10 because a positive divided by a positive is positive, so -80/-10 is 8.
So option C is equivalent to -8.
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PLEASE HURRY THIS IS DUE IN 10 MINUTES AND I AM REALLY CONFUSED!!
There are 104 beads on 13 bracelets. Which rate best represents the relationship between the number of beads and the number of bracelets?
A. 8 beads per bracelets
B. 13 beads per bracelets
C. 8 bracelets per bead
D. 13 bracelets per bead
I WILL GIVE BRAINLIEST WITH THE RIGHT ANSWER!!!
Answer:
A. 8 beads per bracelet.
What is the slope of the line through (-4,2)(−4,2)left parenthesis, minus, 4, comma, 2, right parenthesis and (3,-3)(3,−3)left parenthesis, 3, comma, minus, 3, right parenthesis? Choose 1 answer: Choose 1 answer: (Choice A) A \dfrac57 7 5 start fraction, 5, divided by, 7, end fraction (Choice B) B \dfrac75 5 7 start fraction, 7, divided by, 5, end fraction (Choice C) C -\dfrac57− 7 5 minus, start fraction, 5, divided by, 7, end fraction (Choice D) D -\dfrac75− 5 7
Answer:
-5/7
Step-by-step explanation:
slope = (difference in y)/(difference in x) = (-3 - 2)/(3 - (-4)) =
= -5/(3 + 4) = -5/7
Answer: -5/7
Answer:
-5/7 that is the answer
Step-by-step explanation:
Erica earn money by tutoring and babysitting. She always tutors for 5 hours each week and the amount she babysits changes from week to week. let x be the hours that arica babysitters. Write an expression to show the total numbers of hours erica works each week.
Numbers That you have to use to solve this problem: +,-, . , =, ( , ), x, 5, 8, 13
Answer: could u put it in a simpler way pls .....
Step-by-step explanation:
Whoever answers first I will give the name the Brainliest.!
900 +$3,400 +) $16,900 + $16,300 + $4,500 + $1,200 =
Answer:
43,200
Step-by-step explanation:
2. Li bought five lip balms. Each lip balm costs the same amount. She spent a total of $7.25.
(a) Write an equation that represents the situation. Use c to represent the cost of each lip balm.
(b) Represent the equation with a model.
(c) Solve and justify your solution.
Answer:
a) 5xd=7.25 d=dollars
b) 7.25/5=d
c)7.25/5=1.45
Step-by-step explanation:
Answer:
5 times 7.25=C
Step-by-step explanation:
Then all you need to do is multiply and you will get 36.25
I hoped this help and little I didn't understand everything you meant.
does the table below represent a linear or nonlinear function?
Answer:
Yes
Step-by-step explanation:
Answer:
A linear function
Step-by-step explanation:
Can anyone help me out with this question
Answer:
70
Step-by-step explanation:
The % itself stands for a ratio of 100, so 70% would be 70/100
Answer:
70/100
Step-by-step explanation:
This is because if you break down a percantage, it is just a fraction or decimal. The numerator is 70 because 70/100 = 0.7
0.7 is just the decimal form of the percent "70%"
Help w/ math, please & thanks!
Answer:
5. a
6. b
7. b
8. a
For the function y = 4x – 2, what is the value of the function when x is equal to -3?
14
-14
-10
10
Answer:
-14
Step-by-step explanation:im in 8thgrade plus this 4x 4 -3 -12 -2=-14 bam easy
plus
What is the volume for the cone
Answer:
50.2654825cm^3 or 16 [tex]\pi[/tex] cm^3
Step-by-step explanation:
useds a calculator
Which of the following expressions represents the phrase "six added to five times a number"?
O6+5x
O6+5+x
O5+6x
o 11 x
PLS HELP ME...
Give five ordered pairs on the graph of y = -0.5x.
Answer:
(0,0) (-2,1) (-4,2) (-6,3) (-8,4)
Step-by-step explanation:
Hope this helps!
There are 5,280 feet in 1 mile. If Riley ran 26,400 feet, how many miles did she run? [Type your answer as a number.]
________ miles
Answer:
Step-by-step explanation:
5,280=1mile
26,400=26,400/5,280
5miles.
-6(-n+4)=18
this is for my friend lol i’m helping him w his assignment
Answer:
-6(-n+4)=18
6n-24=18
6n-24+24=18+24
6n=42
n=7
Step-by-step explanation: