Find the product.
(-7)(-9) =

Answer:

(2/3)⁴, (4/9)² apply to 16/81

Step-by-step explanation:

16/81

8 * 2/27 * 3

4 * 2 * 2/9 * 3 * 3

2 * 2 * 2 * 2/3 * 3 * 3 * 3

Answer:

Step-by-step explanation:

2 x 3 + 2 = 8

8 x 3 + 3 = 27

27 x 3 + 4 = 85

85 x 3 + 5 = 260

and so on..........

Answer:

x = -2 y= -2

Step-by-step explanation:

5x+12y= -34

2x+ 4y = -12

2x= -4y -12

x= -2y -6

plug back in

5(-2y -6) +12y = -34

-10y -30 +12y = -34

2y = -4

y= -2

2x+4y=-12

4y= -2x -12

y= -.5x -3

plug back in

5x+ 12(-.5x-3)=-34

5x -6x -36 = -34

-x = 2

x= -2

Answer:

Step-by-step explanation:

5x + 12y = -34

-6x - 12y = 36

-x = 2

x = -2

5(-2) + 12y = -34

-10 + 12y = -34

12y = -24

y = -2

(-2, -2)

Answer:

The correct answer to this problem is x = 4.

Step-by-step explanation:

To solve this problem, we can set up an equation using the given information.  We know that Point E lies along the segment DF, so we can write:

DE + EF = DF

Now, we can substitute the values given into our equation.

(3x-1) + (13) = 6x

The next step is to eliminate the parentheses and combine like terms on the left side of the equation.

3x - 1 + 13 = 6x

3x + 12 = 6x

Next, we should subtract 3x from both sides to move all of the variable terms to the right side of the equation.

12 = 3x

Finally, we can divide both sides by 3, in order to completely isolate the variable x on the right side of the equation.

4 = x

Therefore, the correct answer is x = 4.

Hope this helps!

Answer:

16t + 14J

Step-by-step explanation:

1) First, you have to multiply the numbers

New Expression: 10t + 2J + 6t + 12J

2) Now, you have to find the like terms and add them together

New Expression: 16t + 14J

Hope this helps!

Answer:

  91 bpm

Step-by-step explanation:

  (70 bpm)(1 +30%) = 70·1.30 bpm = 91 bpm

Anna's pulse rate is 91 bpm.

Answer:

D) 3x + 15 ≥ 300

Step-by-step explanation:

The rectangle must have a area of AT LEAST 300 square ft, or 300 or greater. Use the greater than or equal sign: ≥ 300.

Note that your are solving for the area, and that this shape is a rectangle. To get the area of the rectangle, simply multiply length and width:

(3) * (x + 5) = Area of rectangle.

Distribute the 3 to all terms:

3(x + 5) = 3x + 15 = Area of rectangle.

Put the two parts together:

3x + 15 ≥ 300.

~

Answer:

The last answer.

Step-by-step explanation:

The area of a rectangle is

Area=(width)*(length)

If we substitute the 2 given values into the formula we will get

Area= 3(x+5)

=3x+15

Since it's asking that it has to be "at least 300", it's saying that the equation has to be 300 or more.

3x+15>(less than or equal to) 300.

Answer:

a is, A to c, B E to f, c is g to h I think? 2 a is no, cause it doesn't add up to 90, b is no for the same reason and c is no.

Step-by-step explanation:

i hope I helped I'm iffy on A)c

Answer:

In a. hypotenuse is AC

In b. hypotenuse is EF

In c. hypotenuse is HG

2.

a. is right triangle

b. is not right triangle

c. is right triangle

Step-by-step explanation:

in first question we have to find the hypotenuse and hypotenuse is always the side opposite to 90 degree angle

in second question we have to square each of the sides if sum of two squared side equal to the third one that triangle is right angle triangle

Answer:

72=2h

Step-by-step explanation:

6x12=72

The formula to find the volume is [ v = whl ]

v = volume

w = width

h = height

l = length

We need to solve for l.

v = wdl

Divide wd to both sides

v/wd = l

Best of Luck!

Answer:

D

Step-by-step explanation:

Answer:

56 underwater breathing potions

Explanation:

Create variables to represent the different potions

-  flying = f   underwater breathing = b   mind reading = m

Make equations to represent all of the information you've been given.

- The number of flying potions is ten more than the number of mind reading potions. f = r + 10

- The number of water breathing potions is two more than three times the number of mind reading potions. b = 3r + 2

- The total number of potions is 102. f+b+r = 102

Substitute the variable in your equation for the total number of potions.

102 = (r +10) + (3r + 2) + r = 102

Combine like terms.

102 = 5r + 12

Solve for r.

90 = 5r

18 = r

You have to find the number of underwater breathing potions, b. Go back the equation for b and substitute 18 for r.

b = 3r + 2

b = 3(18) + 2

b = 56

So, your total number of underwater breathing potions is 56.

Answer:

1000m = 1 km

:. 6000m=6000/1000 =6km ans

hope it helps

plz mark as brainliest.

Answer:

$1.25

Step-by-step explanation:

3.2/2.56=1.25

Answer:

1.25

Step-by-step explanation:

3.2/2.56=1.25 i know because i am the future

Answer:

172.05

Step-by-step explanation:

formula to find regular pentagon=1/4 root 5(5+2root5)a^2

[tex]8y+24[/tex]. you multiply all of the values in the parentesys.

Answer:

[tex]\huge\boxed{\sf{8y+24}}[/tex]

Step-by-step explanation:

Hello.

Let's recall that the Distributive Property states that

Using the formula, let's simplify:

8(y+3)

Multiply 8 times y and 8 times 3 and add the products:

8y

24

Add:

8y+24

And we're done!

I hope it helps & have an outstanding day!

~ST2710 :)

Answer:

Step-by-step explanation:

sample answer:

Shapes II, IV, and V are all congruent to shape I.

Answer: -48x^7 y^3

Step-by-step explanation: Simplify the expression.

I hope this helps you out. :)

Answer:

Removing the outlier lowers the standard deviation by 1.09

Step-by-step explanation:

Find the standard deviation of the data WITHOUT the outlier first.

If you don't know how to do standard deviation, here are the steps:

1. Find the mean

2. Subtract the mean by the data set values

3. Square the differences

4. Add the squared numbers together and divide by the number of data set values

5. What you have now is the variance, and all you have to do now is square the variance and you have the standard deviation

Repeat this, but WITH the outlier this time.

Final step, just subtract the smaller number (answer you got from the data with the outlier) by the greater number (answer you got from the data without the outlier) and you have your answer: 1.09!

Answer:

201.4 feet

Step-by-step explanation:

Area of a rectangular garden = length × width

Length of the rectangular garden = 15.34 feet

Width of the rectangular garden = 13.13 feet

Area of a rectangular garden = length × width

= 15.34 feet × 13.13 feet

= 201.4142 feet

Approximately 201.4 feet

The Area of the rectangular garden = 201.4 feet

Answer:

[tex]r=199[/tex]

Step-by-step explanation:

hopefully that was the answer you were looking for

Answer:

1.34117647059

Step-by-step explanation:

114 divided by 85 =1.34117647059

hope this helps

Answer:

2

Step-by-step explanation:

hold one finger up, and add another, then count how many fingers you have

Answer:

2

Step-by-step explanation:

Answer:

[tex]x=7[/tex]

Step-by-step explanation:

So we have the function:

[tex]w(x)=3x-7[/tex]

And we want to find x when w(x) is 14.

So, substitute 14 for w(x):

[tex]14=3x-7[/tex]

Add 7 to both sides. The right cancels:

[tex]21=3x[/tex]

Divide both sides by 3:

[tex]x=7[/tex]

So, the value of x is 7.

The correct answer is the first option.

Answer:

8

Step-by-step explanation:

+2-(-6)=2+6

the two negatives cancel each other out

2+6=8

Answer:

8

Step-by-step explanation:

2- -6

change subtraction sign to addition

2+-6

change negative sign to positive

2+6

solve

8

Answer: being positive

Step-by-step explanation:try to take math as your favorite subject and just let the negative thought about math Flow away..try to listen to the teacher keenly as u do in your best subject

Step-by-step explanation:

Y = -2(x+4)² + 4

= -2[x² + 8x +16] +4

= -2x² -16x -32 +4

= -2x² -16x -28

the answer to the inequality is..

Inequality Form: x < 6

Interval Notation: (-∞,6)

Answer:

Its the slope of the function

Step-by-step explanation: