-9=2x+9y what is the answer

Answer:

20 hours

Step-by-step explanation:

First, it would be easiest to find how long it will take to bake 1 cake. We can take 5/6 and multiply it by 100 to put it into a percentage form. Then we divide by 75 (3/4 is 75%). This gives us 1.11 hours to bake 1 cake. We then multiply 1.11 by 18 (for 18 cakes) and our final answer is 20 hours to bake 18 cakes.

Answer:

$190.65 for 31 hours

Step-by-step explanation:

P= ha

123=20a

123/20=a

6.15=a

P=6.15h

P= 6.15(31)

p=190.65

Answer:

There are only two roots of a quadratic.

Step-by-step explanation:

Not sure how Joe got three, but he did something incorrectly.

the answer is -8/5

ur welcome lolz

Answer:

The slope is -1.6

Answer:23☺️

Step-by-step explanation:

Answer:

57.0

Step-by-step explanation:

I got it from a calculator and when I typed it in, it was correct.

Answer:

The slope would be 3

Step-by-step explanation:

Lmk if you need an explanation

Answer:

                                      \\\\\\\\\\

Step-by-step explanation:

Answer:

f(1) = 4

Step-by-step explanation:

Largest output is 4, when x=1.

Answer:

f1 = 4

Step-by-step explanation:

Answer: 3/11

Step-by-step explanation:

Number of purple marbles = 6

Number of blue marbles = 5

Total number of marbles = 6 + 5 = 11

The probability of picking the dust purple marble will be 6/11. After a purple marvel has been picked, there'll be 5 purple marbles left and the total number of marbles will be 10, therefore the probability of picking the second purple marble will be 5/10.

Therefore we then multiply the probability of picking the first purple marble by the probability of picking the second purple marble. This will be:

= 6/11 × 5/10

= 6/11 × 1/2

= 3/11

Answer:

slope: 1/2

y-intercept: 2

Step-by-step explanation: If u go by y=mx+b, you know that m= your slope and b equals the y-intercept. so to put them together:

y=mx+b

     |      |

y=1/2x+2

Answer:

Option B,C and E are solution to given inequality [tex]y - 3x < -8[/tex]

Step-by-step explanation:

We need to check which ordered pairs from given options satisfy the inequality [tex]y - 3x < -8[/tex]

Ordered pairs are solutions to inequality if they satisfy the inequality

Checking each options by pitting values of x and y in given inequality

A ) (1, -5)

[tex]-5-3(1)<-8\\-5-3<-8\\-8 < -8 \ (incorrect)[/tex]

So, this ordered pair is not the solution of inequality as it doesn't satisfy the inequality.

B) (-3, - 2)

[tex]-2-3(-3) < -8\\-2-9<-8\\-11 < -8 (true)[/tex]

So, this ordered pair is solution of inequality as it satisfies the inequality.

C) (0, -9)

[tex]-9-3(0)<-8\\-9-0<-8\\-9<-8 \ (true)[/tex]

So, this ordered pair is solution of inequality as it satisfies the inequality.

D) (2, -1)

[tex]-1-3(2)<-8\\-1-6<-8\\-7<-8 \ (false)[/tex]

So, this ordered pair is not the solution of inequality as it doesn't satisfy the inequality.

E) (5, 4)​​​

[tex]4-3(5)<-8\\4-15<-8\\-11<-8 \ (true)[/tex]

So, this ordered pair is solution of inequality as it satisfies the inequality.

So, Option B,C and E are solution to given inequality [tex]y - 3x < -8[/tex]

Answer:

y = 4×-37

Step-by-step explanation:

y - 3 = 4(× - 10)

y - 3 = 4× - 40

+3. +3

y = 4x - 37

sorry if this wrong, but the equation setup is right

Answer:

Y axis

Step-by-step explanation:

this is correct iehegejdbd

Answer:

This is a reflection over the x-axis.

Step-by-step explanation:

The x-axis goes vertically;

The y-axis goes horizontally.

I hope this helped you! If it did, please consider pressing thanks, rating my answer, and marking as Brainliest. It would be a big help! Have a great day! :)

Answer:

So $1 is approximately £0.628

So £1 is exactly $1.592

Explanation:

It all depends on the basis of comparison. That is; which of the two you wish to make the unit ( 1 of )

Answer:

U need to post a pic so I can see ur question

Step-by-step explanation:

Answer:

y = -3× - 1

Step-by-step explanation:

the explanation is in the picture, hope this helped!

Answer:9

Step-by-step explanation:

basically what you do is 1equal 1 divided by 8 2 68 equals one so yea

Answer: 6.5 cm

Step-by-step explanation:

1 km= 1000000 cm

130 km / 2,000,000 = 6.5

Answer: B. -0.5 blocks per minute

Step-by-step explanation: It goes up 2 on the x column and down 1 (-1) on the y column. So it would be -1/2 = -0.5.

Answer:

B.) -0.5 blocks per minute

Step-by-step explanation:

Equation:

Rate of Change [tex]= \frac{8 - 9}{4 - 2}[/tex]

Simplify:

Rate of Change = [tex]\frac{-1}{2}[/tex]

Simplify:

Rate of Change = [tex]-0.5[/tex]

Answer: C

Step-by-step explanation:

The x-intercept is found when y=0, and the y-intercept is found when x=0.  If y=0, then we have:

2x=24

x=12

Therefore, the x-intercept is 12, so the full coordinates are (12, 0).  Note that the only option with this x-intercept is C, so C is the correct answer.

You can find the y-intercept similarly.  If x is zero, then:

-6y=24

y=-4

Therefore, (0, -4) is the y-intercept.  

Answer:

11z + 11

Step-by-step explanation:

Answer:

30, 40, 60, 70,

Step-by-step explanation:

pattern by 10

For 3=30

      4=40

       6=60

        7=10

  Calculate the slope

           50-20/5-2

             10

Step-by-step explanation:

1 Liter (L) is equal to 1000 cubic centimeters (cm3). To convert liters to cubic centimeters, multiply the liter value by 1000. For example, to convert 2 liters to cubic centimeters, multiply 2 by 1000, that makes 2 L is 2000 cm3.

Answer:

its c

Step-by-step explanation:

plz give brianllets

Answer:

6.68 ounces

Step-by-step explanation:

Maggie combines 8.27 ounces of strawberries and 6.65 ounces of blueberries to make a fruit bowl

= 8.27 + 6.65

= 14.91 ounces

She will have 1.56 ounces left over

= 14.91-1.56

= 13.36 ounces

Therefore the number of ounces in each fruit bowl can be calculated as follows

= 13.36/2

= 6.68 ounces

Answer:

my mom is a function of disappointment  

Step-by-step explanation:

why? becuase shes mean

Answer:

rational

Step-by-step explanation:

because it has a decimal

Answer:

Rational

Step-by-step explanation:

Any number that is a repeating decimal or can be represented by a fraction is a rational number. If there is a decimal with no pattern, it is irrational... but otherwise, it is considered rational.

Answer:

x=30°

Step-by-step explanation:

x +2x+3x=6x

since triangles are 180° in total. 6/180=30

so 30° is your answer.

Answer:

x = 574 and x = - [tex]\frac{3}{4}[/tex]

Step-by-step explanation:

(1)

0.25x = 143.5 ( isolate x by dividing both sides by 0.25 )

x = 574

(2)

- 4x + [tex]\frac{1}{2}[/tex] = 3 [tex]\frac{1}{2}[/tex] ( subtract [tex]\frac{1}{2}[/tex] from both sides )

- 4x = 3 ( divide both sides by - 4 )

x = - [tex]\frac{3}{4}[/tex]

x = 574, How did I get this answer? I simply divided 143.5 by 0.25 and you get 574, which will be the missing number (also known as x.)

But, before you write this down as your answer - how can we check if 574 is correct?

Well we're going to have to do the reverse of dividing, which'll be multiplying.

Multiply 0.25 by 574! (It does equal 143.5), Therefore, you have checked your answer and now you know it is correct.

This equation simplifies to [tex]\frac{2x-1}{4} = \frac{7}{2}[/tex]. Let's go on ahead and figure this problem out step-by-step!

First, we have to cross multiply. As shown here:

(2x-1) × (2) = 7 × 4x

4x - 2 = 28x

After that, we're going to have to subtract 28x from both sides of the equation.

4x - 2 - 28x = 28x - 28x

-24x - 2 = 0

Next, add 2 to both of the sides.

-24x - 2 + 2 = 0 + 2

- 24x = 2

On your last step before finding out what x is, the final thing we've got to do is divide both sides by -24.

[tex]\frac{-24x}{24} = \frac{2}{-24}[/tex]

x = [tex]\frac{-1}{12}[/tex]. This is your solution for #2.

If this was helpful to you, please give a thanks and rate it! Also please mark brainliest if it was all correct and helped you. :) I'd really appreciate it, have a good day!