Math

7. Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point)
–t + 4 dollars
–t – 6 dollars
15t – 6 dollars
15t + 4 dollars
8. f 2 ∙ f 3 (1 point)
f 5
f 6
(2f)5
(2f)6
9. 144^14 over 144^2 (1 point)
14416
14412
14428
144^14 over 2
10. equation (1 point)
equation
x48
x19
x13
11. Which of the following expressions is true? (1 point)
43 • 44 = 412
52 • 53 > 55
32 • 35 = 310
52 • 54 < 58
12. Which of the following expressions is true? (1 point)
83 • 82 < 84
44 • 44 = 416
22 • 26 < 28
33 • 33 > 35
For questions 13 and 14, write the value of the expression.

13. equation (1 point)
1
4
5
0
14. equation (1 point)
one over twenty-seven
one over nine
9
–27
For questions 15 and 16, multiply. Write the result in scientific notation.

15. (1.8 • 101)(7 • 105) (1 point)
1.26 • 107
8.8 • 106
8.8 • 105
1.26 • 106
16. (1.7 ∙ 10–4)(5 ∙ 10–5) (1 point)
8.5 ∙ 10–9
8.5 ∙ 1020
6.7 ∙ 10–9
6.7 ∙ 1020
For questions 17–21, simplify the expression.

17. 8t5 ∙ 8t5 (1 point)
64t25
64t10
16t10
16t5

my answers
7.d
8.a
9.b
10.d
11.d
12.d
13.a
14.a
15.a
16.a
17.b

1. 👍 0
2. 👎 0
3. 👁 343
asked by Austin
1. Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

1. 👍 0
2. 👎 2
posted by PsyDAG

Similar Questions

1. Math

Suppose you earned 6t + 2 dollars on Monday and 9t – 6 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) 15t – 4 15t + 8 –3t – 4 –3t + 8

asked by melanie Esperanza on April 26, 2019
2. Polynomials

Suppose you earned 6t + 2 dollars on Monday and 9t – 6 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) 15t – 4 15t + 8 –3t – 4 –3t + 8

asked by Anonymous on April 14, 2016
3. math

4. What are the coefficients in the polynomial 7x^2 - 4x + 6? A. -7, 4 B. 7, 4, -6 C. 7, -4, 6 D. 7, -4 7. Suppose you earned 6t + 2 dollars on Monday and 9t - 6 dollars on Tuesday. What were the total earnings? Simplify your

asked by zumai on June 1, 2014
4. Math, rates

Which rates are equivalent? 6 U.S. dollars = 18 U.S. dollars 8 Canadian dollars 20 Canadian dollars 6 U.S. dollars = 9 U.S. dollars 8 Canadian dollars 12 Canadian Dollars 6 U.S. dollars = 9 U.S. dollars 8 Canadian dollars 16

asked by carol on March 26, 2007
5. Polynomials

suppose you earned 6t+2 dollars on monday and 9t -6 dollars on tuesday what were your total earning simplify your answer A 15t-4 B 15t+8 C -3t-4 D -3t+8 My answer is a

asked by Help me on June 1, 2016
1. Polynomials and properties of exponenets

In the expression -7x-3x^2+5 what is the coefficient of x A.7 B.3 C.-3 D.-7 Suppose you earned 6t+2 dollars on monday and 9t - 6 dollars on tuesday what were your total earnings simplify your answer. A.15t-4 B.15t+8 C.-3t-4

asked by Help me on June 2, 2016
2. Math

7. Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) –t + 4 dollars –t – 6 dollars 15t – 6 dollars 15t + 4 dollars 8. f 2 ∙ f 3 (1

asked by Erika Fernandez on April 26, 2019
3. Estimating rounding(Math)

Round each to the nearest ten dollars, then estimate the answer. \$88.99=---dollars +9.69=---dollars ----------------- Total is about---Dollars. \$34.00=----dollars -19.29=----dollars ------------------ Differences is

asked by queeneka on March 23, 2009
4. Math

Ms. Sue please help! 7. Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) –t + 4 dollars –t – 6 dollars 15t – 6 dollars 15t + 4

asked by Austin on June 10, 2014
5. algebra

For questions 1-3, simplify the polynomial. 1. 14x^2 + 4 + 3x - 12x^2 - 3 + 11x 2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9 3. 2x^2 + 6x - 7x + 8 - 3x^2 + 1 4. In the expression -7x - 3x^2 + 5, what is the coefficient of x? Add or subtract.

asked by Please help on May 22, 2019

More Similar Questions