Answ
Step-by-step explanation:
Answer:
All of them A,B, and C
Step-by-step explanation:
Khan says so.
Jerissa is using her calculator. She needs to multiply 8.9 * 0.28,
but her decimal point key is not working. Explain how Jerissa could
solve the problem on the calculator without using the decimal point key.
Answer:
2.492
Step-by-step explanation:
Solve the given formula for the indicated variable:
z = xy + 2ab for a.
Answer:
If we solve for a
2ab=z–xy
a = z–xy/(2b)
Solve 7.2 < x + 4.2 Graph the solution.
Answer: should be 3
Step-by-step explanation: math
Helppppppppppppppppppppppppppppp
Answer:
57°
Step-by-step explanation:
The angles in a triangle add to 180. Let the missing angle be x.
x=180-90-33=57
Answer: 57 degrees
Step-by-step explanation:
Angles in a triangle add up to 180 degrees.
So:
180 - (90 + 33) = 57
Answer : 57 degrees
Amy deposits S500 into an account that pays simple interest at a rate of 5% per year. How much Interest will she be paid in the first 4 years?
Answer:
She will be paid $100 in interest in the first 4 years.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
[tex]E = P*I*t[/tex]
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
Amy deposits $500 into an account that pays simple interest at a rate of 5% per year.
This means that [tex]P = 500, I = 0.05[/tex]
How much Interest will she be paid in the first 4 years?
This is E when [tex]t = 4[/tex]. So
[tex]E = P*I*t = 500*0.05*4 = 100[/tex]
She will be paid $100 in interest in the first 4 years.
Please answer !!!!
25 points
Answer:acd
Step-by-step explanation:yw
Help Im really bad at math! Help ASAP! Do not send me a link
Kyle started running when he was 2 miles from home. Every minute, he ran a distance away from home. The equation y
= 0.1x + 2 models the situation, where x is the number of minutes he has been running, and y is the distance Kyle is from
home in miles. Which statement about the equation is true?
Answer:
Kyle runs 0.1 miles every minute.
Step-by-step explanation:
What is the volume of the regular pyramid below?
which one doesn't belong fractions answers 1/4 , 40% , 3/2 , or 1/6
Answer:
40%.
Step-by-step explanation:
-1/4, 3/2, and 1/6 are fractions, but 40% is not.
What is the area of this figure? 6 m 14 m 4 m 20 m 4 m 12 m 6 m
Answer:
what figure
Step-by-step explanation:
Helpppp meeeeeee asssapppp noooo rockyyyyyy
Answer:
12
Step-by-step explanation:
4y - 2x
= 4(7) - 2(8)
= 28 - 16
= 12
What multiplies to -26 and adds to -25
Answer:
1 and -26
Step-by-step explanation:
Consider the factors of 26 (because the two numbers have to multiply to -26). These are: 1 and 26, 2 and 13.
2 and 13 cannot be added or subtracted from one another to get -25, but 1 and 26 can, or rather 1 and -26.
What is the answer to: 15 - the quotient of 50 and 10?
Answer:
10
Step-by-step explanation:
15 - 50/10
15 - 5
10
Use the drop-down menus to explain how to name the ordered pair for Point A on the grid. First quadrant grid with point A at (2,4) labeled Follow the grid line from Point A down to the x-axis. The x-coordinate is . Next, follow the grid line from Point A to the y-axis. The y-coordinate is . The ordered pair is .
Answer:
Vertical, 2, horizontal, and (2,4).
Step-by-step explanation:
Follow the vertical grid line from Point A down to the x-axis. The x-coordinate is 2. Next, follow the horizontal grid line from Point A to the y-axis. The y-coordinate is 4. The ordered pair is (2,4).Other than itself, which angle is congruent to
ECH?
Answer:
gcf
Step-by-step explanation:
For instance, if one package of cookies contains 20 cookies what would mean 2 packages contain
Answer:
2 packages will contain 40 cookies
Step-by-step explanation:
1 package of cookies: 20 cookies
2 packages of cookies: 20 x 2=40
[tex]\sqrt 18- \sqrt 2[/tex]
Answer:
2√2
Step-by-step explanation:
18 factors down to 3 * 3 * 2
The rule for taking the square root of a number factored into primes is if they are in pairs, take one of the pairs out of the root sign and throw the other one away. Any odd number of primes always has one prime left under the root sign.
3√2 - √2
Root 2 is a common factor on either side of the minus sign.
√2*(3 -1)
√2 * 2
Write 9 × 9 × 9 × 9 × 9 × 9 using an exponent. Level 1-2
is it correct
Answer:
9^6
Step-by-step explanation:
there are six nines so its 9^6
Please help me with this system of equations problem. No virus links of any kind.
Answer:
The company's expenses and sales will both total $2944 once they have sold 736 oz of links
Step-by-step explanation:
cost: y = 736 + 3x
revenue: y = 4x
y = y, so using substitution
4x = 3x + 736
x = 736
They will therefore need to sell 736 oz of links, and when plugging in 736 as x into both the equations:
y = 736 + 3(736) = 2944
y = 4(736) = 2944
Answer:
system of equations problem
x - 3x² + 4 = 0 find x value
REPOST PLEASE I NEED HELP I could really use some help with this guys:)................................................................................................................................................................................................................................................Groundhog's Day is on February 2nd each year. On this day, in Punxsatawney, Pennsylvania, thousands of onlookers watch to see if Phil, the groundhog, will cast a shadow. If he does, then six more weeks of winter are predicted. If he doesn't, then an early spring is predicted. Historically, Phil's prediction has only been correct about 40% of the time.
Using complete sentences, design a simulation to determine the probability that Phil's prediction will be correct at least two out of the next three years. Make sure to explain how you would use the simulation to determine the probability.
Answer:
Points
Step-by-step explanation:
If the triangles are similar, what is the value of x?
Answer:
[tex] 180 - 16 - 126 = 38\\ 13x = 180 - 16 - 38\\ 3x = 126 \\ 3x = 126 \\ x = \frac{126}{3} = 42[/tex]
The following playing cards are used in a game. What is the probability of not selecting a prime number?
1,2,3,4,5,6,7
Answer:
3/7
Step-by-step explanation:
1,2,3,4,5,6,7
The word problem is asking the PROBABILITY OF NOT SELECTING A PRIME NUMBER.
PROBABILITY: THE LIKELIHOOD OF AN EVENT.
There are 7 numbers in this data set. Of the seven numbers, four are prime numbers, three of them are not.
Therefore, the probability of not selecting a prime number is 3 in 7, or 3 out of 7 (3/7).
Grasie is building bookshelves. She needs 36 screws for each bookshelf. Complete the table to show the ratio of screws to bookshelves. Enter a number in each box.
The difference between an observational study and an experiment is that
O in an observational study, only one group is studied, and in an experiment, two groups are studied.
in an observational study, the researchers do not control treatment, and in an experiment, they do.
• in an experiment, cause-and-effect is analyzed, and in an observational study, it is not.
®
in an experiment, one group is studied over a short period of time, and in an observational study, the group is
studied over a longer period of time.
Answer:
I think it's the last one! In an experiment, one group is studied over a short period of time---
HELP ME PLEASE!!! and can you explain ;) No links please
Answer:
(5x+2)(3x-1)-x^2+7x
15x^2-5x+6x-2
14x^2-6x-2
Step-by-step explanation:
just foil both and then subtract the smaller one from the other
Classify the polynomial x3-x2-x+7
Quintic polynomial or
Cubic polynomial or
Quadratic trinomial
A report about how American college students manage their finances includes data from a survey of college students. Each person in a representative sample of 793 college students was asked if they had one or more credit cards and if so, whether they paid their balance in full each month. There were 500 who paid in full each month. For this sample of 500 students, the sample mean credit card balance was reported to be $825. The sample standard deviation of the credit card balances for these 500 students was not reported, but for purposes of this exercise, suppose that it was $195. Is there convincing evidence that college students who pay their credit card balance in full each month have a mean balance that is lower than $907, the value reported for all college students with credit cards?
Required:
a. Carry out a hypothesis test using& significance level of 0.01.
b. State the appropriate null and alternative hypotheses.
Answer:
Following are the responses to the given question:
Step-by-step explanation:
Test statistic:
[tex]t=\frac{(825-905)}{\frac{205}{\sqrt{(500)}}}[/tex]
[tex]=\frac{(-80)}{\frac{205}{22.36}}\\\\=\frac{(-80)}{9.16}\\\\=-8.73[/tex]
Let the p-value=0
We reject H0 because of the p-value <0.01. We have evidence that college kids who pay their credit card bills in full per month have a mean balance of less than $905.
Write a system of equations to describe the situation below, solve using elimination, and fill in
the blanks.
Bridgette wants to attend more group exercise classes at her gym. This week, she plans to
attend 4 cardio classes and 5 weightlifting classes, which will last a total of 339 minutes. Next
week, she hopes to attend 3 cardio classes and 1 weightlifting class, which will last a total of
158 minutes. Given that all cardio classes and all weightlifting classes are the same length,
how long is each class?
Every cardio class lasts for
minutes.
minutes, and every weightlifting class lasts for
Submit
Every cardio class lasts for 41 minutes and every weightlifting class lasts for 35 minutes.
What is a system of equation?A set of simultaneous equations, also known as a system of equations or an equation system, is a finite set of equations for which common solutions are sought.
Given that, Bridgette plans to attend 4 cardio classes and 5 weightlifting classes, which will last a total of 339 minutes. Next week, she hopes to attend 3 cardio classes and 1 weightlifting class, which will last a total of 158 minutes.
Let number of minutes spend in cardio be c and that of in weightlifting be w,
Establishing the equations, we get,
4c+5w = 339....(i)
3c+w = 158...(ii)
Multiplying eq(ii) by 5 and then subtracting eq(i) from eq(ii)
(15c+5w = 790) - (4c+5w = 339)
11c = 451
c = 41
Put c = 41 in eq(ii)
123+w = 158
w = 35
Hence, Every cardio class lasts for 41 minutes and every weightlifting class lasts for 35 minutes.
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