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Maurinko [17]
3 years ago
15

Find an equivalent expression 3(2d+2) + 2(2d+5)

Mathematics
1 answer:
Nastasia [14]3 years ago
8 0

Answer:

10d+16

Step-by-step explanation:

=>3(2d+2)+2(2d+5)

=>6d+6+4d+10

=>10d+16

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Write a polynomial that fits the description:
rewona [7]

Answer:

-4x^3 + 2x^2-3

Step-by-step explanation:

Degree is the highest exponent on the variable in a polynomial.

A leading coefficient is the first terms coefficient when the polynomial is written in standard form.

To write this polynomial, write -4x^3 as your first term. Its leading coefficient is -4 and it has a degree of 3. Then add whatever terms after it being sure to not add any more with exponent 3 or higher.

Example: -4x^3 + 2x^2-3

4 0
3 years ago
the ratio of stars to stripes is 50 to 13. If there were 400 stars in the parade, how many stripes were there?
Black_prince [1.1K]
I believe it's 104. You would set it up as a fraction so:   
 50/13 and 400/x.
Then you would cross multiply so 13x400 is 5,200. So this divided by 50 = 104. Hope I helped!

5 0
3 years ago
Describe a method for calculating the mean of a set of data explain why the method works
Aneli [31]
Well, you take a set of numbers and you find the biggest number and you subtract the smallest number from it. that is the mean and the mean is the average number.
6 0
4 years ago
Read 2 more answers
Which steps should be used to graph the equation y – 4 = (x + 2)? 1. Plot the point (2, 4). 2. From that point, count left 3 uni
timama [110]

Answer with explanation:

We have to graph the Linear equation:

→ y-4 =x+2

⇒To draw a line you need two points that lies on the line.

→Point (-2,4) lies on the line,as

L HS→4-4=0

R HS → -2 +2=0

→From Point (-2,4) finding a point which is left 1 unit and down 3 units  is equal to = (-2-1 ,4-3)

 = (-3,1)

→And from  Point (-2,4) finding a point which is left 3 unit and down 1 unit  is equal to = (-2-3 ,4-1)

 = (-5,3)

→None of the two points that is (-3,1) and (-5,3) lie on the linear function

which is, y-4 =x+2.

≡None of the option

 

5 0
3 years ago
Read 2 more answers
Solve the inequality.<br> 4x - 12 &lt; 16
frosja888 [35]

Answer:

x<7

I Believe

                     

8 0
3 years ago
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