Answer:
1,080,033
Step-by-step explanation:
Solve for x. 3 (2x + 7) = 15 (x - 4)
Please answer these four questions pleaseeeee
FIRST TO ANSWER GETS A FULL POINTS
PLEASE ANSWER AND GIVE A BRIEF (short) EXPLANATION
each triangle is equilateral. is the relationship between the perimeter and the side length of the equilateral triangles proportional? explain
Answer:
Yes
Step-by-step explanation:
Because the sides of the equilateral triangle are equal, the perimeter is equal to 3a.
Anyone please help me with last two I'll vote brainliest!! :))
Answer:
7. y= x + 12 8. y= -1 + 4x
Step-by-step explanation:
for 7 all you need to do is subtract x from both sides to get y= 12- x, and to make it perpendicular you need to make the current slope it’s exact opposite so in this case that’s just changing the “-” symbol to an “+”.
for 8 you do the same first step you did in 7 and subtract 4x from both sides to get -y= 1 - 4x. Next you divide everything by -1 (because it’s the number in front of the Y) and you get Y= -1 + 4x
A baseball player had 4 hits in 8 games At this rate how many hits will the baseball player have in the next 28 games?
O 14
O 24
O 28
O 56
A store sells juice in different sizes. Determine which size is the best buy and the unit price.
8 oz $2.40
24 oz $6.48
64 oz $14.08
Dr Eberhardt has been conducting a study in which he wants to know how much glucose is generated by blue-green algae when they are placed under blue light for 4 hours. There are two methods that he can used to determine glucose levels and he needs to know which one is more accurate. In method 1, a hexokinase activity assay is used and the mean of 10 algal samples is 120 mmol, with a standard deviation of 4.8 In method 2, a glucose oxidase activity assay is used and the mean of the same 10 algal samples is 100 mmol, the standard deviation is 4.
Which method is more accurate?
a. both are equally accurate based on their coefficients of variation
b. method 2, because it has a smaller standard deviation
c. method 1, because although the standard deviation is greater so is the mean
d. you would need to know the range in order to see which is more accurate
100 + (-75) =?
I’m desperate please
Answer:
100+-75=25.
Step-by-step explanation:
I really hope this helps.
Answer:
25
Step-by-step explanation:
you just do 100-75 it is the same as 100+(-75)
Which of the following is an Equivalent Fraction to: 3/8
Answer:
Step-by-step explanation: 8/3is equivalent fraction to three
Answer:
9/24
Step-by-step explanation:
please help im hungry but I cant eat until I finish this
Isabella has $15.57 to buy strawberries at the store. Each pint of strawberries costs $2.35. How many full pints of strawberries can Isabella buy?
Answer:
if im not mistaking 6.
Step-by-step explanation:
Answer:
6 pints is the anwser.
Step-by-step explanation:
you just have to keep adding until you cause get the closest possibble number and count how many times you added 2.35 and there your anwser!
Julie Ann works on an assembly line building computers. She can assemble 8 units an hour. Write an expression for the number of units she can produce in h hours. Question 2 options: h ÷ 8 h - 8 8 + h 8h
Answer:
Number of units=H(8)
According to the Centers for Disease Control and Prevention (February 18, 2016), 1 in 3 American adults don’t get enough sleep. A researcher wants to determine if Americans are sleeping less than the recommended 7 hours of sleep on weekdays. He takes a random sample of 150 Americans and computes the average sleep time of 6.7 hours on weekdays. Assume that the population is normally distributed with a known standard deviation of 2.1 hours. Test the researcher’s claim at α = 0.01
a. Select the relevant null and the alternative hypotheses.
A. H0: μ = 7; HA: μ ≠ 7
B. H0: μ ≤ 7; HA: μ ≥ 7
C. H0: μ ≥ 7; HA: μ < 7
b. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.)
Test statistic = ?
c. Find the p-value
A. p-value < 0.01
B. 0.01 ≤ p-value < 0.025
C. 0.025 ≤ p-value < 0.05
D. 0.05 ≤ p-value < 0.10
E. p-value ≥ 0.10
d. What is the conclusion at α = 0.01?
A. Reject H0 since the p-value is greater than α.
B. Reject H0 since the p-value is smaller than α.
C. Do not reject H0 since the p-value is greater than α.
D. Do not reject H0 since the p-value is smaller than α.
e. Make an inference.
A. There is insufficient evidence to suggest that Americans sleep less than the recommended 7 hours of sleep.
B. There is sufficient evidence to suggest that Americans sleep less than the recommended 7 hours of sleep.
Answer:
A) Option C: H0: μ ≥ 7; HA: μ < 7
B) test statistic = -1.75
C) Option C: 0.025 ≤ p-value < 0.05
D) Option C: Do not reject H0 since the p-value is greater than α.
E) Option A: There is insufficient evidence to suggest that Americans sleep less than the recommended 7 hours of sleep.
Step-by-step explanation:
We are given;
Population mean; μ = 7
Sample mean; x = 6.7
Standard deviation; s = 2.1
Sample size; n = 150
A) Defining the hypothesis, we have;
Null Hypothesis; H0: μ ≥ 7
Alternative hypothesis; HA: μ < 7
B) Formula for the test statistic is;
z = (x - μ)/(s/√n)
Plugging in the relevant values, we have;
z = (6.7 - 7)/(2.1/√150)
z = -0.3/0.1715
z = -1.75
C) Using online p-value from z-score calculator attached with; z = - 1.75 ; α = 0.01 and one tailed distribution, we have;
The P-Value = 0.040059
Thus,the most appropriate answer is;
Option C: 0.025 ≤ p-value < 0.05
D) P-value is greater than the significance level, thus we fail to reject the null hypothesis.
E) We will conclude that there is insufficient evidence to suggest that Americans sleep less than the recommended 7 hours of sleep.
12w=-8(-4w=10) please help
The product of two positive consecutive integers is 462. Find the integers.
Answer:
21,22
Step-by-step explanation:
n(n+1)=462
Distribute n through the term in the parentheses.
n2+n=462
Subtract 462 from each side.
n2+n−462=462−462
Write the relationship as a quadratic equation.
n2+n−462=0
Factor the equation.
(n+22)(n−21)=0
Solve.
n+22=0 and n−21=0n=−22 or 21
Solve 4x – 2(x + 1) = 3x + 10
Ox= -12
Ox=12
Ox= -8
Ox=8
HELP ASAP
Answer:
The Answer is : x= -12
Step-by-step explanation:
[tex]4x-2(x+1)=3x+10\\4x-2x-2=3x+10\\2x-2=3x+10\\2x-3x=10+2\\-x=12\\x=-12[/tex]
Answer:
[tex] \huge \boxed{x = - 12}[/tex]
Step-by-step explanation:
[tex]4x – 2(x + 1) = 3x + 10[/tex]
Expand the terms in the bracket
That's
[tex]4x - 2x - 2 = 3x + 10 \\ 2x - 2 = 3x + 10[/tex]
Subtract 2x from both sides of the equation
[tex]2x - 2x - 2 = 3x - 2x + 10 \\ - 2 = x + 10[/tex]
Subtract 10 from both sides of the equation
[tex] - 2 - 10 = x + 10 - 10 \\ x = - 12[/tex]
We have the final answer as
[tex]x = - 12[/tex]
Hope this helps you
Graph the line that contains the point (-2,-4) and has a slope of
1/4
Answer:
y = 1/4x - 7/2
Step-by-step explanation:
To answer this question, we have to use point-slope form:
y - y1 = m(x - x1)
Substitute the numbers into the variables:
y - (-4) = 1/4(x - (-2))
y + 4 = 1/4(x + 2)
y + 4 = 1/4x + 1/2
y = 1/4x - 7/2
To verify your answer, simply substitute the values into your equation:
-4 = 1/4(-2) - 7/2
-4 = -1/2 - 7/2
-4 = -8/2
-4 = -4
For every 1/4 mi Pascal walks Lucien runs 2/3 mi. How many miles does Pascal walk for every 1 mi Lucien runs? Write your answers in the blanks.
Answer:
Step-by-step explanation: The answer is 0.5
The distance Pascal walk for every 1 mile Lucien runs is equal to [tex]\frac{8}{3}[/tex] miles.
What is a fraction ?
A fraction is used to represent a portion or component of a whole. The numerator and denominator are its two parts.
It is given that for every 1/4 miles Pascal walks Lucien runs 2/3 miles. We have to find out the number of miles Pascal walk for every 1 miles Lucien runs. This can be find out by dividing 2/3 by 1/4 and we get :
= [tex]\frac{2}{3}[/tex] ÷ [tex]\frac{1}{4}[/tex]
We know that when a fraction is divided by another , then the part right to the division sign is inversed and division sign is replaced with a multiplication sign.
i.e., the distance Pascal will walk for every 1 mile Lucien runs will be :
= [tex]\frac{2}{3}[/tex] × [tex]\frac{4}{1}[/tex]
= [tex]\frac{8}{3}[/tex] miles
Therefore , the distance Pascal walk for every 1 mile Lucien runs is equal to [tex]\frac{8}{3}[/tex] miles .
Learn more about fraction here :
https://brainly.com/question/17220365
#SPJ2
What is 3085 over 16 as a mixed number? Ahh helpppp:(!
A bicycle is originally priced at $80. The store owner gives a discount and the bicycle is now priced at $60. What is the percent of discount for the cost of the bicycle?
Answer:
I believe 25% off 80 :D
Step-by-step explanation:
Answer:
It would be a 25% discount
Step-by-step explanation:
Evaluate. 48-2^4x2.................
Answer:
16
Step-by-step explanation:
PEMDAS
Answer:
48-[tex]2^{4}[/tex]×2= 16
Step-by-step explanation:
hope it helps! good luck :)
Last year, Lucy opened an investment account with $8800. At the end of the year, the amount in the account had Increased by 28.5% How much is this increase in dollars?
Answer:
2508
Step-by-step explanation:
28.5% of 8800 is 2508.
so at the end of the year she had a total of 11308.
Write as an equation.
Your test score is 50 divided by the sum of 8 and 60.
O 50/x = 8 + 60
O 50 = 8/60
50x = 8 + 60
O X = 50/(8 +60)
Answer:
the first one
Step-by-step explanation:
What is 6 + 4(11 - 2) divided by 3^2
USE PENDAS
and show step by step of how you got to your answer
Will give BRAINLEST though only if the work you showed is correct AND the answer.
Answer:
6 +4 (11-2)
6 + 4 (9)
6+ 36
42
42÷3²
42÷9
4.6666667
Step-by-step explanation:
i hope the divided by 3^2 was the next step and not a part of the equation because if it was a part of the original equation than the answer is wrong
1. The Lincoln Middle School football team needs to raise at least $1,225 for new uniforms. They sell tickets for a school dance for $2 each, but they have to pay the DJ $500 students. Create an inequality that the football team can use to see how many tickets they must sell to reach their goal.
Answer: 1,225 ≤ 2t - 500
Step-by-step explanation: t = tickets
A grain silo is shaped like a cylinder. The height of the silo is 60 feet tall, and the circumference of
the base is a 20 feet. Which measurement is closest to the volume of the silo in cubic feet?
F 3,769.9 ft?
G 75,398.2 ft3
H 226,194.7 ft
J 18,849.6 ft3
Answer:
F
Step-by-step explanation:
Find the mean, median, and mode of the following data:
(round to 1 decimal place as needed)
35, 17, 23, 28, 17, 27, 30, 17, 27, 18
Answer: Mean: 23.9
Median: 25
Mode: 17
Step-by-step explanation:
For mean, add all the numbers and divide it by the amount of numbers.
For median, put all of the numbers from least to greatest and find the middle number.
For mode, find the number that is used the most.
A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles. Five marbles are drawn from the bag.
What is the approximate probability that exactly two of the five are blue?
1%
4%
36%
40%
Answer:
36%
Step-by-step explanation:
Help me please I need to find the equation
Answer:
B.
Step-by-step explanation:
Hopefully this helps
Please help me?
8 + 12 ÷ ( 4 - 2 )
Answer:
14
Step-by-step explanation:
Use PEMDAS to start with parantheses and then divide and then add
Answer
Step-by-step explanation:
Raquel kicks a football. The height in feet can
be modeled by the equation
h(x) = -16x2 + 64x.
How long in seconds before the ball reaches
its maximum height? Show work.
What is the maximum height of the ball? Show work.
answer fast please
Answer:
the answer is 0
Step-by-step explanation:
16x2 + 64x.
Answer:
0
Step-by-step explanation:
i agree with bigmack0