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ohaa [14]
3 years ago
14

Tina has been dieting for a total fo 13 weeks. She lost 3 pounds on the first week of her diet, but gained back a pound on the s

econd week. Ob each remaining week of here diet, sh lost 2 pounds.how many pounds has tina lost in all
Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0

Answer:

4 she lost 4 pounds, how do u not know this dood

Step-by-step explanation:


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4x-16=-20 solve for the x
Vadim26 [7]

Answer:

x=-1

Step-by-step explanation:

4x-16=-20

Get x to one side by subtracting it.

-16=-20-4x

Add the 20 on both sides.

-16+20=-4x

Simplify

4=-4x

4/-4=-4x/-4

-1=x

x=-1

4 0
3 years ago
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0.0057 in scientific notation
Gelneren [198K]

Answer:

5.7*10^-3

Step-by-step explanation:

4 0
3 years ago
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Consider the degree 5 polynomial function P(x)=x^5-4x^3+2x^2+3x-5. You do not need to factor this polynomial to answer the quest
olga2289 [7]

Answer:

5.

Step-by-step explanation:

According to the Linear Factorization Theorem, a polynomial function will have the same number of factors as its degree. We also know that these factors will have the form (x - c) where c is a complex number.

In this problem, and without factoring the polynomial, we observe that the <u>polynomial function is a 5 degree function so we can know that it will have 5 linear factors. </u>

<u />

3 0
3 years ago
A factory makes 1200 shirts every 6 hours the factory makes shirts for 9 hours each workday enter the fewest number of workdays
yarga [219]
Hey make 200 per hour, and would need 63 hours to make 12600 shirts. 63/9=7
They’d need to work for 7 days
Hope this helps
6 0
3 years ago
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Solve the quadratic inequalities, by either graphing, or pure algebraic method:
BlackZzzverrR [31]

Answer:

less than/equal to -2

Or, greater than/equal to 2.5

Step-by-step explanation:

2x² - x - 10 ≥ 0

2x² - 5x + 4x - 10 ≥ 0

x(2x - 5) + 2(2x - 5) ≥ 0

(x + 2)(2x - 5) ≥ 0

Roots: -2, 5/2

x《 -2 or x》5/2

6 0
3 years ago
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