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DedPeter [7]
3 years ago
6

Total cost 26 oz at $0.15 per oz

Mathematics
2 answers:
RoseWind [281]3 years ago
8 0
$0.15 per ounce * 26 Oz = $3.90
alexandr402 [8]3 years ago
6 0
26*0.15=3.90

if you want 26 ounces of something at $0.15 per ounce, then you will pay $3.90

(plus tax)
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4) Solve the inequality: -10m > 70
den301095 [7]

Answer:

m < 7

Step-by-step explanation:

-10m>70

-m>7

m<7

8 0
3 years ago
The length of a rectangle is 5 yd more than double the width, and the area of the of the rectangle is 42 yd to the second power
yanalaym [24]

Answer:

The answer to your question is l = 12 and w = 7/2 or 3.5

Step-by-step explanation:

Data

length = l

width = w

Area = 42 yd²

Process

1) Write equations that help to solve this problem

Area = length x width = l x w

Length = 2width + 5  or   l = 2w + 5

2) Substitution

                       42 = lw                               Equation l

                          l = 2w + 5                        Equation ll

                       42 = (2w + 5)w                   Substitute equation ll in l

3.- Expand

                       42 = 2w² + 5w

                       2w² + 5w - 42 = 0

Solve the equation by factoring

-Multiply 2 by 42

                             2 x 42 = 84

-Find the prime factors of 84

                         84 = 2² 3 7

-Find two numbers that added gives +5 using the prime factors

 These numbers are +12 and -7    

-Substitute the values in the equation

                         2w² -7w + 12w - 42

-Factor by grouping

                        w(2w - 7) + 6(2w - 7)                  

                           (2w - 7)(w + 6)

-Find w

                    2w₁ - 7 = 0             w₂ + 6 = 0

                      w₁ = 7/2               w₂ = -6   This value is discarted because

                                                                  there are no negative values

-Find l

                     l = 2(7/2) + 5

                     l = 7 + 5

                     l = 12

7 0
3 years ago
How would you know if a polynomial is prime?
Ne4ueva [31]
Prime polynomial cannot be factorized into the product of two polynomials of lesser degree. Example: x2+x+1. Good luck.
8 0
3 years ago
16.089 round to nearest 10
zepelin [54]
20 because 16 is greater than 15 and we round the number up.
8 0
3 years ago
If ab = a, then b = <br><br> A) 0 <br> B) 1 <br> C) a <br> D) even
Zanzabum

Answer:

1

Step-by-step explanation:

because a number multiplied with 1 is equal to itself

8 0
3 years ago
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