Help With Algebra 2 Please

Help With Algebra 2 Please

Answers

Answer 1

Answer:

It would take 8 hours

as 7+9÷2 will give 16

average time will be 8 hrs

Answer 2

Answer:

3.9

Step-by-step explanation:

Let's do this. Sally can paint 1/7 of the room in an hour while Steve can paint 1/9 of the room in an hour. 1/7+1/9 = 16/63. Two of them working together can paint 16/63 of a room in an hour. Now, let's divide 63 by 16.

Use a calculator from here.

63/16 = 3.9375

3.9375 rounded to one decimal place would be 3.9 and not 4, since the next number after 9, which is 3, is not up to 5. If it were 5 to 9, then the answer would be 4.


Related Questions

Peter worked 2 part-time jobs and earned $189.00 for working a total of 24 hours at both jobs. He is paid $6.00 per hour at Job A abs $9.00 per hour at Job B. How many hours did Peter work at Job A?

Answers

You use the substitution method simultaneously. He worked 9h at job A

Which of the following expression is equivalent to 35+14

Answers

Answer:

49

Step-by-step explanation:

I would add the tens place and ones place together. The tens place; is 30+10 (From the 3 and 1 in the tens place) and 5+4, which is 40+9, which is 49.


what’s the answer and how did you get it? please help

Answers

Answer:

1/m^5

Step-by-step explanation:

express with a positive exponent using x^-n = 1/x^n

Answer:

[tex]c)\: \cfrac{1}{m^5}[/tex]

Step-by-step explanation:

[tex]m^{-5}[/tex]

Apply the exponent rule:

[tex]m^{-5}[/tex]

[tex]\cfrac{1}{m^5}[/tex]

Hope it helps! :)

- 24 × - 8 -13


calculate​

Answers

the answer to this question is 179

Answer:

179

Step-by-step explanation:

- 24 × - 8 -13

(- 24 × - 8) - 13

192 - 13

  179

Hope this helps!

Neveah bought a cupcake for $5 and coffees for 5 coworkers. She spent $35. How much was each coffee?

Answers

Answer:

Each coffee is $6

Step-by-step explanation:

So she bought a cupcake so 35-5=30

Divide 30 by 5 and you get 6.

Hey, I literally have no idea what to do here, its on providing the congruence statement supported by angle bisector theorem. The diagrams are really weird and I don't know exactly how to represent this, can you help me out? Sorry if the picture is too blurry, it says "each figure shows a triangle with its three angle bisectors intersecting at point P, answer each question by providing the congruence statement supported by the angle bisector theorem."

Answers

Answer:

I can't really tell my vision is probably blurry

Step-by-step explanation:

PLEASE GUYS I NEED HELP!! IS THERE ANYONE WHO KNOW THIS TWO QUESTIONS :')))​

Answers

Answer:

figure it out your self stop having other people do your work for you

Step-by-step explanation:

A spinner has three sections. The table shows the results of spinning the arrow on the spinner 80 times. What is the experimental probability of the arrow stopping over Section 1?.

Answers

Experimental probability of the arrow of spinner (rotated 80 times) stopping over Section 1 is one fourth or 0.25.

What is experimental probability?

Experimental Probability of an event is the ratio of number of favorable outcome to the total number of outcome of that event during the experiment.

Given information-

Total number of sections in a spinner is 3.

Total number of times the trials done is 80.

The three section table given in the problem has the values as,

The values of the first column is section 1 and 20.The values of the second column is section 2 and 36.The values of the third column is section 3 and 24.

The experimental probability of the arrow stopping over Section 1 has to be find out.

As the experimental probability of an event is the ratio of number of times it took place to the total trails. Thus the experimental probability of the arrow stopping over Section 1 is,

[tex]P=\dfrac{20}{80}\\P=\dfrac{1}{4}\\P=0.25[/tex]

Thus experimental probability of the arrow of spinner (rotated 80 times) stopping over Section 1 is one fourth or 0.25.

Learn more about the experimental probability here;

https://brainly.com/question/8652467

Josh can run 7 miles in 45 minutes. How long would it take him to run 21 miles?​

Answers

Answer: 135 minutes

Step-by-step explanation:

45/7= 6.42857142857

6.42857142857 x 21 = 135

14. Explain why triangle ABC is similar to triangle ADE. (Hint: rays of light are parallel.)

Answers

Answer:

They are similar because both triangles are the same. Triangle ABC is just smaller than triangle ADE.

Solve the system of equations algebraically.

D=50t
D=42t+500

Answers

Firstly, since we have D solved for both equations, we can use 50t = 42t + 500. Next, we need to subtract 42t from both sides. This gives us 8t = 500. After that, we need to divide both sides by 8. Our answer is t = 62.5.

We now need to solve for D. We need to plug 62.5 into t to solve this. I will use the equation D = 50t for this. D = 50(62.5) is 3,125. Therefore, D is 3,125.

t is 62.5, and D is 3,125.

PLEASE HELP ME. I DESPERATELY NEED IT

Write the point slope form of the equation of the line through the given points: (-4,-1) and (-3,1)
EXPLAIN. STEP BY STEP

Answers

Answer:

SLOPE IS = 2

Step-by-step explanation:

to find the slope you should remeber the slope equation:

[tex]M=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]

[tex](x_{1} ,y_{1} )=(-4,-1)\\(x_{2} ,y_{2} )=(-3,1)[/tex]

[tex]M=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }\\M=\frac{1-(-1)}{-3-(-4)}[/tex]

[tex]M=\frac{2}{1} \\M=2[/tex]

SLOPE IS =2

y=2x+7 this is the slope intercept form

slope: 2

HELP ME WITH PROVING LINES PARALLEL PLEASE

Answers

Answer:

∠2 = ∠5 (co-interior angles)

∠2 = 3x - 20

∠5 = x + 20

So,

∠2 = ∠5

3x - 20 = x + 20

3x - x = 20 + 20

2x = 40

x = 40/2

x = 20

Hope it helps ⚜

Keshav gave Rs. 3298.36 to his brother and Rs. 2149.67 to his sister. The remaining amount was given to his mother. If he had Rs. 9764.32 in all, how much did he give to her mother. ?

Answers

The actual questions grammatical stance is very difficult to comprehend as I see the contrast in gender between to people very good very nice

what is the mode of 5, 8, 9, 10, 4, 5, 10, 12, 5

Answers

Answer:

How to find the mode

Step-by-step explanation:

First, put the numbers in order from lowest to highest. The number that shows up the most is the mode. The most common number is 5.

Your mode would be 5.

Good luck :)

what is equivalent to 2/5 where the numerator is 18 less than the denominator/

Answers

Answer:

12/30

Step-by-step explanation:

See the picture and let me know if you have any questions


Negative thirteen decreased by 3 times a number

A) 13 - 3x
B) -13 - 3x
C) -13 + 3x
D) 13 + 3x

Answers

Answer:

C

Step-by-step explanation:

Let's assume the number is x.

Negative means a minus or subtraction.

Decrease also means a minus or subtraction.

Three times the number which we have assumed to be x will be: 3*x=3x

The answer:

-13 - 3x

Match the Graph(Time and Depth of water) to the correct cylinder

Answers

Graph 1 = cylinder 3
Graph 2 = cylinder 1
Graph 3 = cylinder 2

please help! i don’t know how to find trig ratios

Answers

Answer:

a. 7/25

b. 24/25

c. 24/25

d. 7/25

e. 7/24

f. 24/7

Step-by-step explanation:

sin is opposite/hypotenuse.

cos is adjacent/hypotenuse.

tan is opposite/adjacent.

Plug in the formulas to get find the ratios.

Tamika swims 2 7/10 kilometers a day,

4 days a week. How far does she swim

each week? Find 4 x2 7/10

Answers

she swims 10.8, according to calculator

The price of a telephone reduced form Rs 3500 to Rs 3200. What percentage is decreased from its original price?​

Answers

Given :-

The price of a telephone reduced form Rs 3500 to Rs 3200.

To Find :-

Percentage decrease from it's original price .

Solution :-

Here the initial cost is Rs 3500 and the new cost is Rs 3200. So the decrease in its price is ,

→ Decrease = Rs 3500 - Rs 3200

→ Decrease = Rs 300

Now we may find the % change in its price by ,

→ Decrease in cost/Initial cost * 100 %

→ Rs 300 /Rs 3500 * 100 %

8.57%

Hence the price is decreased by 8.57% .

I hope this helps.

Answer:

Decreased Percentage is 8.57 %

Step-by-step explanation:

Given:

Cost of cell phone = Rs. 3500

Cost after decreased in price Rs. 3100

To find:

Decreased percentage

Decreased Amount =

3500 - 3100

= Rs. 300

Decreasee Percentage =

[tex]\frac{decreased \: \: amcount}{initial \: \: cost} \times 100 [/tex]

[tex] = \frac{300}{3500} \times 100[/tex]

[tex] = \frac{300}{35} [/tex]

= 8.57%

Five students each ate 2/3 of their own bag of skittles. What was the total amount eaten?​

Answers

Answer:

Total number of students= 5

Each ate = 2/3

Total amount eaten=?

Then,

2/3×5

=10/3

Hence 10/3 is the total amount eaten.

HELPPPP THIS IS SO HARD

Answers

Answer:

  T'''(2, 6)

Step-by-step explanation:

The transformations used in this problem are ...

  (x, y) ⇒ (-x, -y) . . . . . rotation 180° about the origin

  (x, y) ⇒ (x +h, y +k) . . . . translation h right and k up

  (x, y) ⇒ (y, x) . . . . . . reflection over the line y=x

__

Applying these transformations to point T(-5, -4), we have ...

1.  T(-5, -4) ⇒ T'(5, 4)

2. (h, k) = (1, -2), so we get ...

  T'(5, 4) ⇒ T"(5 +1, 4 -2) = T"(6, 2)

3. T"(6, 2) ⇒ T'''(2, 6) . . . . straightforward application of the separate transformations

What is the answer to -x/4<7

Answers

Answer:

[tex]x>-28[/tex]

Step-by-step explanation:

Given the following question:

[tex]-x\div4<7[/tex]

In order to find the answer, we have to isolate the variable by multiplying four on both sides.

[tex]\frac{-x}{4} <7[/tex]
[tex]\frac{-x}{4} =x\times4[/tex]
[tex]7\times4=28[/tex]
[tex]-x>28[/tex]
[tex]-x\times-1=x[/tex]
[tex]28\times-1=-28[/tex]
[tex]x>-28[/tex]

Hope this helps.

Answer:

x>-28

Step-by-step explanation:

First to cancel out the fraction times the whole fraction by the denominator 4 AND the 7 then multiply 7*4=28

This leaves you with

-x<28

To get rid of the -x divide both sides of the inequality by -x, This also changes the sign of the inequality to > Because you are Dividing both sides of the inequality

Negative/Negative =positive

Positive/Negative =Negative

So, You get
x>-28

This is with tangents I have already figured out one portion of the problem please help

Answers

Answer:

-5

Step-by-step explanation:

when x is squared it will always be positive so x can be negative or positive

Answer:

Step-by-step explanation:

Tangents drawn to the circumference of a circle are equal.

x^2 + 8 = 33                      Subtract 8 from both sides

x^2+8-8 = 33 - 8               Combine

x^2 = 25                            Take the square root of both sides.

√x^2 = √25

x = ± 5

So x = 5.

x can also be - 5. The minus goes away when you calculate x^2

because x is squared, you can get two answers, but be very careful when doing geometry questions that the minus number is used in such a way that only a positive value will be left.

If 14 is 35% of a value, what is that value?

Answers

4.90 I got this by multiplying 35% by 14
The unit rate is 0.4 and so that multiplyed by 100 is 40

solve for x in this equation 4^5x=(1/32)^1-x
A)-3
B)-1
C)1
D)3

Answers

X= -1
The answer to this equation is B.

1) Each student has 2 shoes. How many shoes are there for 8 students?

Answers

8x2= 16

16 shoes are there for 8 students

its not fair h0w i cant get to ask for help without pay like yall need to fix. Heres my question 52 companies; 25% increase

Answers

13 just do 25% out if 52= 13

Determine which of the lines, if any, are parallel or perpendicular. Explain.

Line a: -x+2y=3

Line b: -6x=3y-1

Line c: 4x-8y=5

Answers

Answer:

See below

Step-by-step explanation:

Let's rewrite all three equations is standard slope-intercept format of y = mx + b, where m is the slope and b the y-intercept (the value of y when x = 0).

Line a: -x+2y=3

                 2y = x + 3

                  y = (1/2)x + 3

Line b: -6x=3y-1

             -3y = 6x - 1

               y = -2x + (1/3)

Line c: 4x-8y=5

              -8y = -4x + 5

                y = (1/2)x - (5/8)

Parallel lines have the same slope (m).  Perpendicular lines have slopes that are the negative inverse (-1/m)of each other.

Slopes, m, for the lines are;

a)  (1/2)b)  -2c)  (1/2)

The negative inverse of (1/2) is -2.

Lines a and c are parallel (same slope)

Line b is perpendicular since it's slope is the negative inverse of both a and b (-1/(1/2)) = -2

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