Mathematics College

Alejandra waited for the bus last Tuesday.
A) Alejandra esperaste el bus el martes pasado.
B) Alejandra esperé el bus el martes pasado.
C) Alejandra esperásteis el bus el martes pasado.
D) Alejandra esperó el bus el martes pasado.

Answers

Answer 1

Answer:

- Alejandra esperó el autobús el martes pasado.

- El martes pasado Alejandra esperó el autobús

Step-by-step explanation:

Answer 2

Answer: - Alejandra esperó el autobús el martes pasado.

Step-by-step explanation:

Related Questions

PLZZZ HELP MEEEeeeeeeeeeeeeeeeeeee

Answers

Answer:

I am a professional, worry not

-1.6 < -1.55 < -0.4 < 1.35 < 1.7

UGHHHHH SOMEONE PLEASE ANSWER THIS!
GIVING BRANLIST TO FIRST ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

A) -3 1/2 = Yes

B) -1.5 (is the same as -1 1/2) = No

C) -1/4 (is a quarter) = Yes

D) 3/2 (is basically 1 1/2) = No

E) 2 1/4 (is basically 2 and a quarter) = No

F) 4 2/3 = Yes

Step-by-step explanation:

Hope this helps :)

Please let me know if I'm somehow wrong, thank you.

Answer:

I think it's

A yes

B no

C yes

D no

E no

F yes

Step-by-step explanation:

♥ I hope this helps ♥

Monday evening, the jar of M & M's© is full. Tuesday, 1 8 of the M & M's are eaten. Wednesday, 1 3 of the M & M's that remained disappeared. Thursday morning, first thing, the jar had 42 M & M's remaining. How many M & M's were in the jar on Monday evening? M & M's

Answers

9514 1404 393

Answer:

  72 M&Ms

Step-by-step explanation:

We understand the problem to say ...

Monday the jar was fullTuesday the jar was 7/8 full (1/8 gone)Wednesday, the jar was (7/8)(2/3) = 7/12 full

That 7/12 full condition corresponds to 42 M&Ms being present.

  42 = 7/12·full

  full = 42(12/7) = 72

There were 72 M&Ms in the jar on Monday evening.

_____

Check

1/8 of 72 = 9 were eaten Tuesday

1/3 of the remaining 63 disappeared on Wednesday. That number is 21, so 63-21 = 42 remained after Wednesday. That is the number seen early Thursday.

There were 72 M & M's in the jar on Monday evening

How to determine the number of M & M's?

Let the initial number be x.

When 1/8 of the M & M were eaten on Tuesday, the remaining proportion is:

Remaining = (1 - 1/8) * x

This gives

Remaining = 7x/8

When 1/3 of the M & M disappeared on Wednesday, the remaining proportion is:

Remaining = (1 - 1/3) * 7x/8

This gives

Remaining = 7x/12

On Thursday, the remaining number of M & M is 42.

This means that:

7x/12 = 42

Divide both sides by 7

x/12 = 6

Multiply both sides by 6

x = 72

Hence, there were 72 M & M's in the jar on Monday evening

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Some equilateral triangles are not isosceles. True or false

Answers

Answer:

An isosceles triangle is never equilateral.

Step-by-step explanation:

Equilateral means that the side are of equal length. ALL the sides, not just two of them.

One method of slowing the growth of an insect population without using pesticides is to introduce into the population a number of sterile males that mate with fertile females but produce no offspring. If P represents the number of female insects in a population, S the number of sterile males introduced each generation, and r the population's natural growth rate, then the female population is related to time t by
t =
P+S
P[(r−1)P − S]
dP

Suppose an insect population with 10,000 females grows at a rate of r = 0.10 and 900 sterile males are added in each generation. Evaluate the integral to give an equation relating the female population to time. (Note that the resulting equation cannot be solved explicitly for P.)

Answers

t = integral [(P+S)/P((r-1)P-S)] dP

now, to do partial fraction decomposition, consider

(P+S)/P((r-1)P-S) = A/P + B/((r-1)P-S)

P + S = A((r-1)P -S) + PB

if P = 0, then:

A = -1

If (r-1)P - S = 0

=> p = S/(r-1)

B = 1 + r - 1

B = r

Therefore

t = integral(-1/P + (r-1+1)/((r-1)P - S))dP

t = -ln|P| + ln|(r-1)P-S| + 1/r-1 * integral((r-1)/[(r-1)P-S])

t = -ln|P| + ln|(r-1)P-S| + ln|(r-1)P-S|/(r-1)

t = -ln|P| + (r/r-1)ln|(r-1)P-S|

substituting known constants, we get:

t = -ln|P|-1/9(ln|-0.9P - 900|)

t = -ln|P| - 1/9(ln|-0.9P -900|)

t = -ln|P| - 1/9(ln(|(-9/10)(P + 1000)|))

t = -ln(P) - 1/9ln(P + 1000)- 1/9ln(9/10)

as P >= 0, ln(P) and ln(P + 1000) doesn’t need abs value

Note that our expression for t doesn’t account for P=0 as ln(P) is undefined at P = 0.

The expression for t is also undefined at P = -1000, but that falls outside our domain P >= 0, so we don’t really need to worry about that.

The equation relating female population with time requested by t = -ln(P) - 1/9ln(P + 1000)- 1/9ln(9/10)

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Given that the female population is related to time t by;

[tex]t = \int\limits {\frac{(P+S)}{P((r-1)P-S)} } \, dP[/tex]

Now, to do partial fraction;

(P+S)/P((r-1)P-S) = A/P + B/((r-1)P-S)

P + S = A((r-1)P -S) + PB

if P = 0, then:

A = -1

If (r-1)P - S = 0

p = S/(r-1)

B = 1 + r - 1

B = r

Therefore,

[tex]t = \int\limits {\frac{(P+S)}{P((r-1)P-S)} } \, dP[/tex]

t = -ln|P| + ln|(r-1)P-S| + 1/r-1 x integral((r-1)/[(r-1)P-S])

t = -ln|P| + ln|(r-1)P-S| + ln|(r-1)P-S|/(r-1)

t = -ln|P| + (r/r-1)ln|(r-1)P-S|

Now substituting known constants then;

t = -ln|P|-1/9(ln|-0.9P - 900|)

t = -ln|P| - 1/9(ln|-0.9P -900|)

t = -ln|P| - 1/9(ln(|(-9/10)(P + 1000)|))

t = -ln(P) - 1/9ln(P + 1000)- 1/9ln(9/10)

as P >= 0, ln(P) and ln(P + 1000) doesn’t need abs value

Therefore, the equation relating female population with time requested by t = -ln(P) - 1/9ln(P + 1000)- 1/9ln(9/10)

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Lila evaluates the expression using the following steps:(−7.13+63.97)+(−54.8−3.4)−71.1+(−58.2)−129.3Describe the error that Lila made.

Answers

Lila's error was that she added -7.13 to 63.97 to get -71.1

Lila steps are as folows

(−7.13 + 63.97) + (−54.8 − 3.4) = −71.1 + (−58.2) = −129.3

In the first bracket, Lila was suppose to subtract 7.31 from 63.97 since there is a negative in front of 7.31.

So, the correct expression should be

(−7.13 + 63.97) + (−54.8 − 3.4) = 56.84 + (−58.2) = 56.84 - 58.2 = −1.36

So, Lila's error was that she added -7.13 to 63.97 to get -71.1

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A gym is selling monthly memberships for $40 each and reusable water bottles for $6 each. The gym needs to make $1248 by the end of the month.

Enter a linear equation that describes the problem.

An equation for the amount of money made by the gym is = $1248, where m is the number of monthly memberships sold, an

Answers

let w be the number of reusable water bottles sold, then

1248 = 40m + 6w

Or, in general form

20m + 3w - 624 = 0

in an auditorium,there are 104 rows with 24 seats in each row.how many seats are available?

Answers

Answer:

2,496 seats

Step-by-step explanation:

If there are 104 rows with 24 seats in EACH row, we must multiply to find the answer. Which is gives you the equation: 104 x 24 = 2,496

hope this helps!

mark me brainliest :D

I have to get this done by today pls help me

Answers

Answer:

16

Step-by-step explanation:

d = 800

t = ( 1 / 500 ) d

t = ( 1 / 500 ) 800

 = 800 / 500

t = 1.6 hours

I need help with my algebra.

Answers

Answer:

f(-2) =-2

Step-by-step explanation:

f(-2) means what is the output of the function when the input of the function is -2

When x =-2, y =-2

f(-2) =-2

Part A
As the company has increased in popularity, it has continued to add employees in all departments. The production facility manager has provided data that shows the relationship between the number of units produced in an hour and the number of workers on the production line during that hour. The data is shown in the table.

Question 1: What type of function would be model the data?
Question 3: Use the graphing tool and best fit function of the tool to write a function that models the data. Round coefficients and constants to the nearest hundredth.
Question 4: Produce about 2300 fidget spinners every hour. How many workers should Marco recommend. Show your work.

Answers

9514 1404 393

Answer:

  1. a linear model

  3. y = 24.97x +417.59

  4. 75 workers

Step-by-step explanation:

1. A graph of the data seems to show it nearly follows a straight line. We have used a linear function to model the data.

3. The linear regression model is ...

  y = 24.97x +417.59

4. The graphing calculator shows the point (x, y) ≈ (75.4, 2300) is on the line of best fit. Marco should recommend 75 workers for production of 2300 units per hour.

If you want to solve the linear equation ...

  2300 = 24.97x +417.59

you get ...

  x = (2300 -417.59)/24.97 ≈ 75.4

About 75 workers are needed.

weekand homework and i need help

Answers

Answer:

C. 54

Step-by-step explanation:

36/60=.6

90*.6=54

Answer:

1 got C.

60/36=1.66666667

60/(5/3)=36

90/(5/3)=54

Supplies for last year cost $1,477, which was $177 over budget. Rounded to the nearest 1%, by what percent did the cost exceed the budgeted cost?

8%
11%
12%
13%
14%

Answers

Answer:

12% is the correct answer.

Any MATHEMATICIANS IN THE HOUSE PLS

Find the equation of the circle centre (-3,4) with radius 7 units

options
(a) x2+y2+6x+8y−24=0
(b) x2+y2-6x-8y+24=0
(c) x2+y2+6x-8y-24=0
(d) x2+y2+6x-8y+24=0​

Answers

Answer:

A po

Step-by-step explanation:

pa like po and pa point ty po

(x-(-3))² + (y-4)² = 7²

x2+6x+9+y²-8y+16= 49

x2+y²+6x-8y+25-49=0

x2+y2+6x-8y-24=0

answer:

B. x2+y2+6x-8y-24=0

BRAINLIEST What is the probability of getting an odd number total when two dice are rolled?

18/36

12/36

1/4

36/36

Answers

Answer:

18/36

Step-by-step explanation:

There are 36 possible outcomes (6x6). Half of them (18) are odd.

Please hurry, question in the image.
Only real answers will get positive feedback.

Answers

Answer:

The answer is D

Step-by-step explanation:

rate my answer and I hope this helps

What value of x would result in the numerical value of zero in the expression 7+x+(−10) ?

Answers

Answer:

x = 3

Step-by-step explanation:

So if we plug in 3 to 7+x+(-10), it simplifys to

7+3+(-10)

10+(-10)

10-10 = 0

x=3

What is the probability of getting an odd number total when two dice are rolled?
18/36
12/36
1/4
36/36

Answers

LCM =36

18/36×36 = 18

12/36×36 = 12

1/4×36 = 9

36/36 ×36 = 36

so it will be 1/4 since 9 is an odd number

divide 60 crayons between 2 pupils so that get twice as many as the other​

Answers

Answer:

First pupil will have 40 crayons

Second pupil will have 20 crayons

Step-by-step explanation:

Ratio will be 2:1, total ratio = 2+1 = 3

First pupil

[tex] = { \tt{ \frac{2}{3} \times 60 }} \\ \\ = { \tt{40 \: crayons}}[/tex]

Second pupil

[tex] = { \tt{ \frac{1}{3} \times 60}} \\ \\ = { \tt{20 \: crayons}}[/tex]

Brenda makes wooden coaster she cut small

Answers

Answer:

Yeah maybe she did that btw she’s very tall

Step-by-step explanation:

No
1/
5x6
8888x9998
aaaaaa ????!!!!

hen Max was a puppy, he weighed 512 pounds. At his 1-year check-up with the vet, Max weighed 15.8 pounds.

How much weight did Max gain between the time he was a puppy and his 1-year check-up?

Enter your answer as a decimal or simplified mixed number in the box.

Answers

Answer:

10.3lbs or 10 3/10 as a mixed number

Step-by-step explanation:

i have the same question on my test so i know this is right but here's an explanation: so 5 1/2 pounds is the same as 5.5 pounds, and if you add 10 pounds to 5.5 pounds, you get 15.5 pounds, which is 3 ounces away from 15.8 pounds. so adding 3 ounces to the 10 pounds, then adding that to the 5.5 pounds, you would get 15.8. therefore, your answer is 10.3lbs.

The puppy gained 10.3 pounds of weight in 1 year.

What is subtraction?

Subtraction is one of the arithmetical operations, to subtract means to take away from a group or a number of things.

Given that, Max was a puppy, he weighed [tex]5\frac{1}{2}[/tex] pounds. At his 1-year check-up with the vet, Max weighed 15.8 pounds.

[tex]5\frac{1}{2}[/tex] pounds = 5.5 pounds

Weight before 1 year = 5.5 pounds

Weight after 1 year = 15.8 pounds

Weight gained by the puppy in 1 year = 15.8-5.5 = 10.3 pounds

Hence, the puppy gained 10.3 pounds.

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Which graph best represents y = −x2 + 6x − 1?

Answers

Answer:

which graph best represents y = -x2 + 6x - 1?

Step-by-step explanation:

hich is the graph of the linear function that is represented by the equation y= 1/2x-2 ?

Answer:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Down

Vertex:  ( 3 , 8 )

Focus:  ( 3 , 31 /4 )

Axis of Symmetry:  x = 3

Directrix:  y = 33/4

x                      y

1                      4

2                     7

3                     8

4                     7

5                     4

Step-by-step explanation:

Below is a picture of the graph

Janelle wrote the matrix addition below.

Which statement is true?
(n+4)-7=18
((m-1) +12)+0=12
((s +1)-18)+11=-28
n+(m-1) + (s+1) =-28

TIMED TEST PLEASE HELP!

Answers

((m - 1) + 12) + 0 = 12 is true

Answer:

I think the second option is the right answer

So it will be ((m-1)+12)+0=12.

The average length of a baby at birth is 19 inches long. There are 2.54 centimeters in 1 inch. What is the average length of a baby at birth in centimeters.

Answers

Answer:

16.46 I don't know

Step-by-step explanation:



In a particular class of 23 students, 14 are men. What fraction of the students in the class are
women?

Answers

Answer:

9/23

Step-by-step explanation:

w=23-m

m=14

w=23-14=9

There are 9 women

9/23

which of the following pairs of sets given below are equal?​

Answers

Answer:

hi there is that OK for.

Step-by-step explanation:

ok bye por and thanks again and.

Use point-slope from to write the equation of a line that passes through the point (10,3) with slope -5.
​

Answers

Answer:

[tex]y=-5x+5[/tex]

The screen on a computer monitor has a length of 3 inches and a width of 4 inches. What is the length of the diagonal to the nearest tenth of an inch?

Answers

Answer:

0.12? i think its wrong

Step-by-step explanation:

Check the picture below.

[tex]\textit{using the pythagorean theorem} \\\\ d^2=a^2+b^2\implies c = \sqrt{a^2+b^2} \qquad \begin{cases} d=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ d = \sqrt{3^2+4^2}\implies d = \sqrt{9+16}\implies d = \sqrt{25}\implies d = 5\implies \stackrel{\textit{rounded up}}{d = 5.0}[/tex]

Subtract (7u2+10u+6) from (3u2−5u+4).

Answers

Answer:

-4u^2 - 15u - 2

Step-by-step explanation:

(3u^2 - 5u + 4)

(7u^2 + 10u + 6)

Combine like terms!

3u^2 - 7u^2 = -4^2

Combine like terms

-5u - 10u = -15u

Combine like terms

4 - 6 = -2

The answer should be -4u^2 - 15u - 2

The solution to simplifying the algebraic expression is: -4u² - 15u - 2

How to solve Algebraic Expressions?

Algebraic expressions are defined as the idea of expressing numbers using letters or alphabets without specifying their actual values

The algebraic expression we want to simplify is:

3u² - 5u + 4 - (7u² + 10u + 6 )

Simplifying the bracket gives us:

3u² - 5u + 4 - 7u² - 10u - 6

Arranging like terms gives us:

3u² - 7u² - 5u  - 10u + 4 - 6

= -4u² - 15u - 2

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If I am ordering a custom wood frame costing $1.27 per inch and the entire area needing framing is 17" on all4 sides, how is price tabulated?

Answers

The is tabulated by 64.77
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