Urgent Math please check
posted by Brittany
Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really need them to be double checked. Thanks so much!! :)
1. Simplify 2e^2+9e+3+3e^25e2.
A. 5e^2+4e+1
B. e^2+4e+5
C. 5e^2+14e+1
D. e^2+14e+5
My answer was A. 5e^2+4e+1
2. Find the degree of 1+2x^4+2x^2
A. 4
B. 3
C. 1
D. 2
My answer was A. 4.
3. Find the degree of 7x+2
A. 4
B. 3
C. 2
D. 1
My answer was D. 1.
4. Write the variable expression. It is 4 black squares,4 skinny white rectangles, and 19 little white squares.
A. 4x^2+4x+19
B. 4x^24x19
C. 4x^24x+19
D. 4x^2+4x+19
My answer was D. 4x^2+4x+19
5. Simplify 4q^25q18q^2+8q9
A. 4q^2+3q+8
B. 12q^2+3q10
C. 12q^213q10
D. 4q^213q+8
My answer was B. 12q^2+3q10
6. Subtract (7x5y)  (2x+4y)
A. 9x9y
B. 9xy
C. 5x9y
D. xy
My answer was C. 5x9y
7. Add (6x+2y) + (3x4y)
A. 3x2y
B. 3x+6y
C. 9x2y
D. 9x2y
My answer was C. 9x2y
8. Add (4x2y) + (7x5y)
A. 11x+3y
B. 11x7y
C. 3x+3y
D. 3x7y
My answer was B. 11x7y
9. Subtract (4x^5 5x)  (7x58x^5)
A. 4x^5 12x+5
B. 12x^5+12x+5
C. 11x^5 13x5
D. 13x^5 +2x5
My answer was A. 4x^5 12x+5
10. Subtract (4x+2y)  (8x3y)
A. 4xy
B. 12xy
C. 12x+5y
D. 4x+5y
My answer was D. 4x+5y
11. Simplify 5x^4(7x+5)
A. 35x^4+5
B. 12x^5+25x^4
C. 12x^2+10x
D. 35x^5+25x^4
My answer was 35x^5+25x^4
12. What multiplication expression is shown by the model? It has two columns down, 2 big squares down and three below that. So its 10 squares all together.
A. 2x(2x+3)
B. 3x(2x+3)
C. x(x+6)
D. (x+3)(x+2)
My answer was A. 2x(2x+3). This one
I am 100% sure on, but still.
13. Simplify x^6 times x^4
A. x^10
B. x^24
C. 2x^24
D. 2x^10
My answer was A. x^10
14. Simplify 4x(2x^4+2)
A. 8x^42
B. 2x^5+8x
C. 2^46x
D. 8x^58x
My answer was D. 8x^58x
15. Find the area of the figure. The length is 4x^2+2x and the width is 3x.
A. 7x^3+5x^2
B. 4x^2+5x
C.10x^2
D. 12x^3+6x^2
My answer was D. 12x^3+6x^2

PsyDAG
1, 2, 3. Correct
Don't know about 4.
5. It seems like you might have a typo. I get
4q^2+3q10
6, 7. Correct
8. Typo? I get 3x7y.
9, 10, 11. Correct
12. Don't have model.
13, 14, 15. Correct.
Respond to this Question
Similar Questions

Algebra2
i was wondering if someone could check the answer i got for this math problem 7+2(52*9) = 243 I got 19 I think you're supposed to do the parentheses first...but within that, you're supposed to do the multiplication and THEN the subtraction, … 
Honors Chemistry (check answers)
On a worksheet we got, we have to balance out chemical reaction equations then define what kind of reaction it is (synthesis, decomposition, single/doublereplacement). Would someone be willing to check my answers, please? 
Algebra
Hello, can someone help me solve and check the following 1) x  8 = 20 Check: 2) x + 15 = 35 Check: 3) x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course. 
Algebra
Hello, can someone tell me if I got the following solve and check work correct? 
Math
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability … 
Math 157
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability … 
7th grade math check
Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be … 
math
I'm wondering if someone could check my work please? 
Math check answers please
Sorry to bug again but can someone check my answers please thank you. 1. Simplify the expression 3w10w A. 13w B. 7w C. 7 D. 7w 2. Y+2y+3z A. 2y+3z B. 3y+3z C. 2y^2+3z D. 6yz 3. 6r+r5r A. 2r B. 1r+r C. 0r D. 7r5r 4. 5x+2(x+6) A. … 
Math 6
Can someone check my answer? Q:r. Harry rides his bike 25 3/8 miles. Karen rides her bike 25 2/8 miles. Who rides farther?