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Alina [70]
2 years ago
15

Expand the expression −11(3c−2d) using the Distributive Property. help pls

Mathematics
1 answer:
Romashka-Z-Leto [24]2 years ago
8 0

Answer:

-33c+22d

Step-by-step explanation:

-11(3c-2d)\\\\(-11)(3c)+(-11)(-2d)\\\\-33c+22d

You might be interested in
3. The sum of three consecutive numbers<br> is 42. What are the numbers?
Zanzabum

Answer:

13 + 14 + 15

Step-by-step explanation:

n + (n + 1) + (n +2) =42

n + n + n + 1 + 2 = 42

3n + 3 = 42

(subtract 3 from both sides)

3n = 39

(divide both sides by 3)

n = 13

(solve)

n + (n + 1) + (n +2) =42

13 + (13 + 1) + (13 + 2) = 42

13 + (14) + (15) = 42

13, 14, 15

(Hope this helps, have a nice day!)

3 0
3 years ago
One of the two positive integers is 5 less than the other. If the product of the two integers is 24, find the integers.
Studentka2010 [4]

Hello from MrBillDoesMath!

Answer:

3,8

Discussion:

Let "n" and "p" be the two positive integers. Then

n = p - 5   (*)

and

np = 24  (**)

Substituting  (*) in (**) gives

np = 24                            =>    as  p = n+5

n(n+5) = 24                      =>

n^2 + 5n - 24 = 0             =>   factor polynomial (n+8)(n-3)

So n = 3 or -8 but as n is positive, n = 3 Then p  = n + 5 = 8

Check:

Is n (3) 5 less than p (8). Yes

Does np = 3 *8 24. Yes

Thank you,

MrB

6 0
3 years ago
what is an equation of the line that is perpendicular to line y= -1/2x -2 and passes through the point (0,-4)?
LiRa [457]

Answer:

y = 2x -4

Step-by-step explanation:

y = -\frac{1}{2}x - 2\ \ \ \ \ \ (0, -4)

To find the perpendicular equation of a line,

You need the product of their gradients to be -1

-\frac{1}{2} \times ? = -1

Divide both sides by -\frac{1}{2}

? = 2

The gradient of the perpendicular line is 2

Straight line formula is in the form y = mx + c

y = 2x + c

We're nearly there, we just need to find out c.

Luckily, we're given a point (0, -4)

(x, y) = (0, -4)

y = 2x + c

-4 = 2(0) + c\\-4 = 0 + c\\c = -4

We then end up with...

y = 2x -4

3 0
2 years ago
Someone plssss help (15 points) ty
NNADVOKAT [17]

Answer:

x = 67

Step-by-step explanation:

2x - 17 + 63 = 180 {Linear pair}

     2x + 46  = 180    

             2x = 180 - 46

             2x = 134

               x = 134/2

              x = 67

5 0
3 years ago
Read 2 more answers
Write the sentence as absolute inequality:<br><br> a number n is more than 9 units from3
Scilla [17]
N>9-3 I believe I'm not sure
7 0
3 years ago
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