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arlik [135]
2 years ago
8

Which expressions are polynomials? Select each correct answer.

Mathematics
2 answers:
vodka [1.7K]2 years ago
4 0

answer:35x^2

Step-by-step explanation:

the first one is not b/c its x/5

the second one is not b/c has a square root

the last one it has negative exponents

dimulka [17.4K]2 years ago
3 0

Answer:

Step-by-step explanation:

By definition, the power of each term in a polynomial must be greater than or equal to 0.

So x/5+2 is a polynomial

4x+sqrt(x)-1 is not because sqrt(x) is x^(1/2)

35x^2 is a polynomial

7x^7-x^(-5) is not because -5 is less than 0.

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A salad dressing recipe requires at least 8 oz of oil to be combined with some combination of vinegar and lemon juice in a 16 oz
valentina_108 [34]

Let x represent the number of ounces of vinegar

Let y represent the number of ounces of lemon juice

Oil required = 8 oz

Container can hold = 16 oz

So the inequality equation will be :

x+y+8\geq16

6 0
3 years ago
A soup can, shaped like a cylinder, has a diameter of 3.5 inches and a height of 5 inches. Each serving of soup is 15 cubic inch
marissa [1.9K]

Answer:

The answer to your question is Cost of a serving = $0.62

Step-by-step explanation:

Data

diameter = 3.5 in

height = 5 in

each serving = 15 in³

Cost of the can = $1.99

Process

1.- Calculate the volume of the can

Volume = πr²h

-Substitution

Volume = (3.14)(3.5/2)²(5)

-Simplification

Volume = (3.14)(3.062)(5)

-Result

Volume = 48.08 in³

2.- Use proportions and cross multiplication to find the cost of a serving.

                   48.08 in³ ---------------- $1.99

                         15  in³ ----------------  x

                          x = (15 x 1.99)/48.08

                          x = 29.85/48.08

                          x = $0.62

7 0
3 years ago
Janine,who brought 15$ worth of make up, spent 6$ less than leah spent
Aneli [31]
Janine = J = 15
Leah = L = ?

L = J + 6
L = 15 + 6
L = 21

So Leah spent $21

5 0
3 years ago
What is 37.06 on ft to sq yrds
Anastaziya [24]
37.06 to yards is 

4.1177 Square yards

5 0
3 years ago
Read 2 more answers
Please help me please
gizmo_the_mogwai [7]

Answer:

SA=390

Step-by-step explanation:

9*14=126

126+126=252

14*3=42

42+42=84

9*3=27

27+27=54

252+84+54=390

3 0
3 years ago
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