What room has no doors

What does not ask questions but is always answered

Must answer BOTH!!! To get brainliest and 100 points

Answer:

6.55

Step-by-step explanation:

7-0.45=6.55!

Hope this helps!

Answer:

6.55

Step-by-step explanation:

7.00

- 0.45

6.55

OR

7 - 0.5 = 6.5, so if you take add on 0.05 you get 6.55.

Answer:

10+9=19

My favorite bag of chips is hot CHEETOS!!

Step-by-step explanation:

10+9=19

And my favorite chips?

Anything that is chicken flavor

Answer:

Please check the explanation.

Step-by-step explanation:

Given the system of equations

[tex]\begin{bmatrix}x-3y=2\\ 2x+y=11\end{bmatrix}[/tex]

Multiplying the second equation i.e. 2x+y = 11 by 3 and then adding the result to the first equation would eliminate the variable y and the value of x can be determined.

3(2x+y) = 3(11)

6x+3y = 33

Now, adding 6x+3y = 33 to the first equation i.e. x-3y = 2

x - 3y = 2

+

6x + 3y = 33

__________

7x = 35

divide both sides by 7

7x/7 = 35/7

x = 5

so, the value of x = 5.

Therefore, we conclude that in order to solve the system of equations using elimination methods, we can multiply the second equation i.e. 2x+y = 11 by 3, and then adding the result to the first equation would eliminate the variable y and the value of x can be determined.

Hence, option (a) is true.

BONUS: SOLVING THE REMAINING PORTION to determine y

As

x = 5

substituing x = 5 in x - 3y = 2

x - 3y = 2

5 - 3y = 2

5 - 2 = 3y

3 = 3y

y = 1

Therefore,

x = 5

y  = 1

Answer:

2.2 chapters per hr

Step-by-step explanation:

5/2.3=2.17

Answer: 2 chapters

Step-by-step explanation:

You'll have to find the rate, so divide 5/1= 5 (this is how many times it's multiplied by) and divide 2 1/2 by 5

2.5 ÷ 5 = 0.5 = 1/2 of an hour

It takes you half an hour to read 1 chapter and since you need to find one hour, multiply 1x2

You can read 2 chapters in an hour

Answer: $120

Step-by-step explanation: 30% off of 120 is 84

Answer:

There is no solution

Step-by-step explanation:

Let's solve your inequality step-by-step.

6−3b<10−3b−18

Step 1: Simplify both sides of the inequality.

−3b+6<−3b−8

Step 2: Add 3b to both sides.

−3b+6+3b<−3b−8+3b

6<−8

Step 3: Subtract 6 from both sides.

6−6<−8−6

0<−14

Answer:

$260

Step-by-step explanation:

Turn the percentage into a decimal.

35% -> 0.35

Multiply.

400 * 0.35 = 140

Subtract.

400 - 140 = $260

Best of Luck!

Answer:

$260

Step-by-step explanation:

hope this helps

Answer:

30 hours

Step-by-step explanation:

Given that:

Mai = $7 per hour

Priya = $8.50 per hour

Mai's initial amount = $15

Number of hours when they'll both have the same amount

Let number of hours = x

15 + 7x = 8.50x

15 = 8.50x - 7x

15 = 0.5x

x = 30

they'll both have the same amount in 30 hours

the correct answer is C.

Answer:

35% or B

Step-by-step explanation:

Answer:

Mrs. Rodriquez is purchasing trophies for each child that plays little league. She wants to

spend no more than $7.00 per trophy. Which of the following purchases will satisfy her budget?

Select all that apply.

A. 3 trophies for $24.00

B. 5 trophies for $30.00

C. 7 trophies for $49.00

D. 9 trophies for $72.00

E. 12 trophies for $96.00

Step-by-step explanation:

Answer:

[tex]\frac{3}{4}[/tex] m³

Step-by-step explanation:

The volume (V) of the cuboid is calculated as

V = lbh ( l is length, b is breadth and h is height ) , then

V = 1 [tex]\frac{1}{8}[/tex] × [tex]\frac{4}{5}[/tex] × [tex]\frac{5}{6}[/tex] ( change mixed number to improper fraction )

  = [tex]\frac{9}{8}[/tex] × [tex]\frac{4}{5}[/tex] × [tex]\frac{5}{6}[/tex] ( cancel the 5's, 4 and 8 by 4 and 9 and 6 by 3 )

  = [tex]\frac{3}{2}[/tex] × [tex]\frac{1}{1}[/tex] × [tex]\frac{1}{2}[/tex]

  = [tex]\frac{3}{4}[/tex] m³

Answer:

2/10 skskkskskskssjsjsj

Answer:

uh

Step-by-step explanation:

Answer:

i dont get it

Step-by-step explanation:

Answer:

C. √2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Pre-Calculus

Calculus

Step-by-step explanation:

Step 1: Define

y = sec(x)

x = π/4

Step 2: Differentiate

Step 3: Evaluate

Answer:

44 days

Step-by-step explanation:

165 divided by 3 3/5 (3.75)

stream Why Not? by Loona :D

Answer:

5) a

6) a

7) b

8) d

9) a

10) b

11) c

12) a

Step-by-step explanation:

When it asks for range it is asking for the y values so when you plug in numbers such as 0,1,2 into the equation the y values you get are {0,90,180..}

Overall slope can be found by taking the x and y values of the two given points.

((y value of the second point)-(y value of the first point))/((x value of the second point)-(x value of the first point))

Using (1,2) and (-2, 5) you can do this by plugin in the numbers (5-2)/(-2-1)

So the slope will be 3/-3 = -1

Once you find the slope you can use this to find the equation of a line by pluging in values into y=mx + b

m = slope

y = use this from the points given

x = use this from the points given

Answer:

so 5 hrs

Step-by-step explanation:

well he charges 200 no matter what for the first fee

then its an adittional 50 for evey hour

450 - 200 = 250 --> 250/50 = 5

Answer:

[tex]y \ge 20 - x[/tex]

[tex]y \le 80 -5x[/tex]

[tex](x,y) = (15,5)[/tex]

Step-by-step explanation:

Given

[tex]Nickels = x[/tex]

[tex]Pennies = y[/tex]

[tex]Amount = \$0.80[/tex] maximum

[tex]Coins = 20[/tex] minimum

Required

Solve graphically

First, we need to determine the inequalities of the system.

For number of coins, we have:

[tex]x\ +\ y\ge 20[/tex] because the number of coins is not less than 20

For the worth of coins, we have:

[tex]0.05x\ +\ 0.01y\ \le0.80[/tex] because the worth of coins is not more than 0.80

So, we have the following equations:

[tex]x\ +\ y\ge 20[/tex]

[tex]0.05x\ +\ 0.01y\ \le0.80[/tex]

Make y the subject in both cases:

[tex]y \ge 20 - x[/tex]

[tex]0.01y \le 0.80 - 0.05x[/tex]

Divide through by 0.01

[tex]\frac{0.01y}{0.01} \le \frac{0.80}{0.01} -\frac{ 0.05x}{0.01}[/tex]

[tex]y \le \frac{0.80}{0.01} -\frac{ 0.05x}{0.01}[/tex]

[tex]y \le 80 -5x[/tex]

The resulting inequalities are:

[tex]y \ge 20 - x[/tex]

[tex]y \le 80 -5x[/tex]

The two inequalities are plotted on the graph as shown in the attachment.

[tex]y \ge 20 - x[/tex] --- Blue

[tex]y \ge 80 -5x[/tex] --- Green

Point A on the attachment are possible solutions

At A:

[tex](x,y) = (15,5)[/tex]

Answer:

=3

Step-by-step explanation:

Combine like terms 3-6x=-15

Subtract 3 from both sides of the equation -6x=-18

divide both sides by 6  x=3

Answer:

xy is the slope and is correct

Answer:

V = (R - t)/x

General Formulas and Concepts:

Pre-Algebra

Step-by-step explanation:

Step 1: Define

R = XV + t

Step 2: Solve for V

Answer:

7

Step-by-step explanation:

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

Substitute y in the x+3y=9

[tex]x + 3(x - 5) = 9 \\ x + 3x - 15 = 9 \\ 4x = 9 + 15 \\ 4x = 24 \\ x = 6[/tex]

Substitute x = 6 in any given equations. I will choose to substitute in y = x-5

[tex]y = x - 5 \\ y = 6 - 5 \\ y = 1[/tex]

The answer is (6,1)

Answer:

c,e

Step-by-step explanation:

Answer:

x+4

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

Answer:

2[tex](\sqrt{3}) i[/tex]

Step-by-step explanation:

[tex]\sqrt{-12} \\\\\\\sqrt{4 * 3 * -1} \\\\\\\sqrt{4}*\sqrt{3} *\sqrt{-1} \\\\\\2(\sqrt{3} )i[/tex]

#teamtrees #WAP (Water And Plant)

Answer:

3.46 rounded to the nearest hundredth

Step-by-step explanation:

You can't the square root of a negative number so you would have to multiply by -1

I Used a calculator.

Hope this helps. Have a nice day. May it be filled with joy and happiness. Please stay safe and wash your hands/wear a mask when in public. Happy Holidays.