Which expression is equivalent to m + 3m + 3(m - 1)

Answers

Answer 1
Answer:

Answer:

7m-3

Step-by-step explanation:

first, distribute

m+3m+3m-3

then, combine all like terms

m+6m-3

7m-3

i hope this helps! have a nice day!


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The equation of line WX is y = −2x − 5. Write an equation of a line perpendicular to line WX in slope-intercept form that contains point (−1, −2). y = 1 over 2x + 3 over 2 y = negative 1 over 2x + 3 over 2 y = 1 over 2x − 3 over 2 y = − 1 over 2x − 3 over 2

2/3 of the pizza was left over from last night. Then, Marcy ate another 2/9 of it. How much is left now?

Answers

Answer: 4/9

Step-by-step explanation:

First find the LCD between 2/3 and 2/9.  Which is 9

Then you place the fractions into like terms

2   =6

3      9

6/9  - 2/ 9= 4/9

First, find the LCD; that is 9.

2/3 = 6/9

6/9 – 2/9 = 4/9

There is 4/9 of the pizza left.

The square root of 215 is between which two whole numbers?

Answers

Answer:

14 and 15

Step-by-step explanation:

14.6628782986, this is the square root.

Final answer:

The square root of 215 lies between the whole numbers 14 and 15 since 215 falls between the squares of these two numbers (196 and 225).

Explanation:

To find out which two whole numbers the square root of 215 lies between, we need to find the squares of consecutive whole numbers until we identify the two between which 215 falls. The square of 14 is 196 and the square of 15 is 225. Therefore, since 215 is between 196 and 225, the square root of 215 lies between 14 and 15.

Learn more about Square Root here:

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What is the slope of y = -42 - 3?

Answers

I think is -42 the answer

Susan drove an average speed of 30 miles per hour for the first 30 miles of a trip & then at a average speed of 60 miles/hr for the remaining 30 miles of the trip if she made no stops during the trip what was susan's avg speed in miles/hr for the entire trip.(A) 35(B) 40(C) 45(D) 50(E) 55

Answers

Answer:

The correct option is B.

Step-by-step explanation:

It is given that Susan drove an average speed of 30 miles per hour for the first 30 miles of a trip & then at a average speed of 60 miles/hr for the remaining 30 miles of the trip.

Time=(Distance)/(Speed)

Time taken by Susan in first 30 miles is

T_1=(30)/(30)=1

Time taken by Susan in remaining 30 miles is

T_2=(30)/(60)=0.5

Total distance covered by Susan is

D=30+30=60

Total time taken by susan to complete 60 miles trip is

T=T_1+T_2

T=1+0.5=1.5

Susan's avg speed in miles/hr for the entire trip is

S=(60)/(1.5)=40

The average speed of susan for entire trip is 40. Therefore the correct option is B.

Construct a polynomial function with the following properties: fifth degree, −2 is a zero of multiplicity 2, 4 is the only other zero

Answers

5th degree means highest power is 5 total

zeroes/roots are
(x-r)
so -2 is a root
(x-(-2))
(x+2) is a root
multiplicity 2 means it happens 2 times ie
(x+2)^2
e
4 is the only other zero
(x-4)

so now we have
(x-4)(x+2)^2
but that is only 3rd degreed
I could add 2 more degrees that are complex roots and therefor won't be graphed on the plane since they are complex so
find a 2nd degree polynomial that has only complex roots
a complex 2nd degree polynomial
x^2+x+10

ok so this is the function
f(x)=(x-4)(x+2)^2(x^2+x+10)

Which statements are true?select EACH correct answer.

1)All rhombuses are squares

2)All trapezoids are quadrilaterals


3)All rhombuses are parallelograms

4)All quadrilaterals are parallelograms

Answers

Answer:

3) All rhombus are parallelogram!