Answers
Answer:x=8
Step-by-step explanation:
x²-3x=-3x+64
- Add 3x to both sides
x²-3x+3x=-3x+3x+64
= x²=64
- Square both sides
√x²=√64
x=±8
- Since the question is asking for the positive value of x, the answer is 8.
Related Questions
Evaluate the function.
f(x)= - x^2 - 10x
find f(-5)
Answers
Answer:
f(- 5) = 25
Step-by-step explanation:
To evaluate f(- 5) , substitute x = - 5 into f(x) , that is
f(- 5) = - (- 5)² - 10(- 5) = - 25 + 50 = 25
find the common ratio of 80, 20, 5
Answers
Answer:
The common ratio of the following sequence : 80, 20, 5,... is 1/4. Common ratio = 5/20 = 20/80 = 1/4
Step-by-step explanation:
Help me please !!!!!!
Answers
Answer:
The y-int represents the base price of $200 for airfare from NYC
The slope represents a cost of 30 cents per mile traveled
If the base cost for airfare changed to $50 and the cost per mile is unchanged, the new equation would be y=50+0.30x
If the cost per mile changed to 50 cents, the new equation would be y=200+0.50x
At the beginning of the week, a puppy weighed 5 1/4 pound. During the week the puppy gained another 8 pounds.
how much does the puppy weigh, in pounds, at the end of the week
Answers
The answer would be 13.25 :)).
Answer:
5 3/4
Step-by-step explanation:
how many different burritos can be made when a customer chooses one item frm each category shown in the table
Answers
Answer:13
Step-by-step explanation:
Step-by-step explanation:
Jessica is purchasing new photo frame for a photo. What measurement does Jessica need to know about the photo before she starts?
Answers
Mahi has 31 rolls of string. Each roll holds 12 yards of string. How many feet of string does she have?
Answers
Answer:
1116ft of string, hope this helps !!
Step-by-step explanation:
(31 x 12) x 3 =
372 x 3 =
1,116
Can you help please.....
Answers
Answer:
b, d, and e are the three statements that make the most sense to be true.
Step-by-step explanation:
tell me if this is wrong.
6.
The rate of change is constant in each table. Find the rate of change. Explain what the rate of change means for the situation.
A. 212; your car travels 212 miles.
B. 1/53; Your car travels 53 miles every 1 hour.
C. 53/1; Your car travels 53 miles every 1 hour.
D. 10; your car travels for 10 hours.
Answers
Answer:
D. 10; your car travels for 10 hours.
Step-by-step explanation:
Write the word sentence as an inequality The quotient of a number y and -3.6 is less than 6.5.
Answers
Answer:
the quotient of a number y and negative three point six is less than six point five.
Rebecca needs a box with a rectangular base of 36 cm2 and a volume of 180 cm3. What would be the height of this box? O A. 45 cm B. 30 cm C. 20 cm D. 15 cm E. 5 cm
Answers
Answer:
Volume of box V = 180 cm^3
Base area of box A = 36 cm^2
Height = h
Volume = base area × height
height = volume/base area
h = V/A
Substituting the values;
h = (180cm^3)/(36cm^2)
Height h = 5 cm
Step-by-step explanation:
The ratio of boys to girls in class is 4 : 5
What fraction of the class are boys
Answers
Answer:
The ratio of boys to girls is 4:5. So let 4x be the number of boys and 5x be the number of girls. Then 4x+5x = 9x is the total number of students. Then the fraction of boys in the class is 4x/9x = 4/9.
Inglés
A company starts to track the number of phone calls received each month. Information about the number of phone calls the company received the first three months of tracking is listed below.
• During the first month, the company received 5,650 phone calls.
• During the second month, the company received 30% more phone calls than in the first month.
• During the third month, the company received 10,283 phone calls.
What was the percent increase in the number of phone calls from the second month to the third month?
español
Una empresa comienza a realizar un seguimiento del número de llamadas telefónicas recibidas cada mes. La información sobre la cantidad de llamadas telefónicas que recibió la empresa durante los primeros tres meses del seguimiento se enumera a continuación.
● . Durante el primer mes, la empresa recibió 5,650 llamadas telefónicas
● Durante el segundo mes, la empresa recibió un 30% más de llamadas que en el primer mes.
● Durante el tercer mes, la empresa recibió 10,283 llamadas telefónicas.
¿Cuál fue el porcentaje de aumento en la cantidad de llamadas telefónicas del segundo mes al tercer mes?
Answers
Answer:
c and b
Step-by-step explanation:
Giving brainliest for the correct answer
Answers
Answer:
10 x 6 = 4
4 x 4 = 16
+
6 x 10 = 60
= 76 square cm.
Answer:
D
Step-by-step explanation:
I need help with this question!
Answers
Answer:
h+c=28
4h+2c=80
Step-by-step explanation:
The total amount of horses and chickens is 28. So h+c=28. Each horse has 4 legs. Each chicken has 2 legs. There are h amount of horses and c amount of chickens. So 4h+2c=80.
h+c=28
4h+2c=80
Nkechi wants to use a one-sample z interval to estimate what proportion of candies in a bag are red. She takes a random sample of 24 of the 80 total candies and finds that 18 of the candies in the sample are red. Which conditions for constructing this confidence interval did Nkechi's sample meet? Choose all answers that apply
Answers
Answer: The data is a random sample from the population of interest.
Step-by-step explanation: The condition is met since she randomly selected the sample from the population of interest.
The data is a random sample from the population of interests.(Option A), and individual observations can be considered independent.(Option C)
What are the conditions for valid inference about one proportion?Random sample: The sample should be taken randomly.Normal distribution of proportion: The sampling distribution of the proportion we're taking about should be normally distributed.Independent observations: Each of the observations must be independent.The missing options are:
A. The data is a random sample from the population of interests.
B The observed counts of successes and failures are both sufficiently large.
C. Individual observations can be considered independent.
For this case, we're given that the sample was random.
Sample size is 24,which is not sufficiently large (usually we take > 30 as sufficiently large size).
Also, each candle was independent for being red colored.
Thus, the data is a random sample from the population of interests.(Option A), and individual observations can be considered independent.(Option C)
Learn more about valid inference about proportion here:
https://brainly.com/question/3663642
I NEED HELP ASAP
A football quarterback goes for a two-point conversion when the ball is within 10 yards of the end zone. During the game, he has two opportunities for a two-point conversion. He misses the first attempt 50% of the time. When he misses the first attempt, he misses the second attempt 15% of the time. What is the probability of missing both two-point conversion attempts?
Answers
Answer:
P = 0.075 P = 7.5%
Step-by-step explanation:
We pretty much look for the probability that the player fails the first attempt and also fails the second attempt.
We know for a fact that the probability that the quarterback fails the first attempt is:
p(1) = 0.5
and we know that the probability that the quarterback fails the second attempt after failing the first is:
p(2/1) = 0.15
Then the probability of failure of both attempts is:
P(2/1) = p(1 and 2) / p(1)
p(1 and 2) = P(1) * P(1/2)
p(1 and 2) = 0.5 * 0.15
and that is
p(1 and 2) = 0.075
you probably didn't want the nerdy stuff but oh well
Answer:
Answer:
P = 0.075 P = 7.5%
Step-by-step explanation:
We pretty much look for the probability that the player fails the first attempt and also fails the second attempt.
We know for a fact that the probability that the quarterback fails the first attempt is:
p(1) = 0.5
and we know that the probability that the quarterback fails the second attempt after failing the first is:
p(2/1) = 0.15
Then the probability of failure of both attempts is:
P(2/1) = p(1 and 2) / p(1)
p(1 and 2) = P(1) * P(1/2)
p(1 and 2) = 0.5 * 0.15
and that is
p(1 and 2) = 0.075
Anyone know how to do this?
Answers
Answer:
Gonna say B
Step-by-step explanation:
-0.01 (65)+110 = 109.35
It was the predicted value of the 65 year old's vision score.
Since the equation has an equal sign
y (=)
And not more than nor less than, answer choices C and D are eliminated.
The exact value for the 65 year old's vision score is 102. So, A isn't right.
Petra is making donuts by stamping circles in dough using a pastry stamp with a diameter of 3 inches. For the donut hole, she stamps out a circle using a pastry stamp that has a diameter of 1 inch.
How many square inches of dough are left to make the donut after the hole has been removed?
Answers
Answer:
2 inches would be left
Step-by-step explanation:
Please help. ❗❗❗❗❗
osmqbshxissjwvgxkoqjwvwnmddk
Answers
Answer:
C
Step-by-step explanation:
This makes the most sense.
Evaluate the function for an input value of 3. f(x)= −4x 2 −3x−5
Answers
Answer:
- 50
Step-by-step explanation:
x = 3
f ( x ) = - 4x^2 - 3x - 5
f ( 3 )
= - 4 ( 3 )^2 - 3 ( 3 ) - 5
= - 4 ( 9 ) - 3 ( 3 ) - 5
= - 36 - 9 - 5
= - 50
A rectangle has a perimeter of 30 yards. If one side is 5 yards long, how long is the other side?
A. 15 yards
B. 25 yards
C. 10 yards
D. 30 yards
Answers
Answer:
C. 10
Step-by-step explanation:
5+5=10
10+10=20
10+20=30
Answer:
The other is 10 yards long
Step-by-step explanation:
For a given rectangle
Perimeter (P) = 30 yards
and one of rectangle is 5 yards
Now,
Perimeter of rectangle
P = 2l + 2b
30 = 2(5) + 2b
30 = 10 + 2b
30 - 10 = 2b
20 = 2b
b = 20 ÷ 2
b = 10 yards
Thus, The other is 10 yards long
-TheUnknownScientist
Here is a list of numbers:
3.3, 3.9, 3.3, 8.1, 4.8, 7.3, 0.6, 6.1, 7.1
State the median.
Answers
Answer: 4.8
First, you have to put the numbers in order from least to greatest.
What number is in the middle that will be your median.
Please help.
For math class
Answers
Answer:
x = 30, z = 45, y = 105
Step-by-step explanation:
The lines are straight, so:
x = 30
z = 45
y = 180 - (45 + 30)
So there
Please help, I don’t understand this
Answers
Answer:
same here
have a nice day
Find the discount savings on a bicycle that originallycosts $230 but is on sale for 40% off. Show yourwork.
Answers
Answer:
You would save 92$
Step-by-step explanation:
Discount = Original Price x Discount 40/100
Discount = 230 × 40/100
Discount = 230 x 0.4
You save = $92.00
Final Price = Original Price - Discount
Final Price = 230 - 92
Final Price = $138.00
Hope this helps
A group of scientists wants to investigate if they can predict the life expectancy of mammal species given
its average heart rate. The table below shows the relationship between average heart rate (in beats per
minute) and life expectancy (in years) for a sample of mammals.
Whale
Elephant
Horse
Lion
Sheep
Pig
Average heart rate (BPM)
20
30
34
50
75
95
Life expectancy (years)
70
70
40
13
15
25
All of the scatter plots below display the data correctly, but which one of them displays the data best?
By convention, a good scatter plot uses a reasonable scale on both axes and puts the explanatory variable on the
x- axis
Answers
Answer:
GRAPH B
Step-by-step explanation:
I GOT IT CORRECT ON KAHN!!!!
Find the area of each sector. Round your answer to the nearest tenth
Answers
Answer:
[tex]398.2 {km}^{2} [/tex]
Step-by-step explanation:
[tex] \frac{270}{360} \times \pi {r}^{2} \\ \frac{270}{360} \times \pi \times {13}^{2} \\ \frac{270}{360} \times \pi \times 169 \\ 398.2 {km}^{2} [/tex]
Hope this helps you
Can I have the brainliest please?
Have a nice day!
pls help quickly thank u
Answers
Answer:
Dependant
Step-by-step explanation:
Its dependant because when you take out one chocolate another may fall and take its place.
which expression is equivalent to the problem shown?
Answers
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