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aalyn [17]
3 years ago
10

The store buys a keyboard for $35 and sells it for $61.25. What percentage was the markup?

Mathematics
1 answer:
k0ka [10]3 years ago
3 0
Answer: it’s a 75% markup
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Which is the polynomial function of lowest degree
Tems11 [23]

Option D:

f(x) = x(x + 2)(x + 5)

Solution:

Given root of the polynomial functions are:

–5, –2 and 0.

If a is the root of the polynomial then the factor is (x –a).

So that, the factors of the given roots are:

(x –(–5)) = x + 5

(x –(–2)) = x + 2

(x – 0) = x

Polynomial = Product of the factors

             f(x) = (x + 5)(x + 2)x

Switch the order of the factors.

             f(x) = x(x + 2)(x + 5)

Option D is the correct answer.

The polynomial function of lowest degree is f(x) = x(x + 2)(x + 5).

3 0
2 years ago
Which equation demonstrates the additive identity property?
xxMikexx [17]

Answer:

See Explanation

Step-by-step explanation:

<em>The options are not given; however, you can take a clue from my explanation to answer your question</em>

Let x be a real number;

Additive identity property implies that; adding x to 0 or 0 to x gives x;

In other words;

x + 0 = x

0 + x = x

Note that x can be replaced with any real number; Take for instance

1 + 0 = 1

0 + 2.5 = 2.5

3 + 0 = 3

There are uncountable number of examples;

<em>However, take note that adding 0 to a given digit results in the exact digit and that's the implication of addition identity property</em>

7 0
3 years ago
Read 2 more answers
- On a cold winter morning, the temperature was
sergeinik [125]

Answer:

0 F

Step-by-step explanation:

-4+4(incressed)=0

5 0
3 years ago
What is the simplified expression for 2 power 2 multiplied by 2 power 3 over 2 power 4?
leva [86]

Answer: 2

Step-by-step explanation:

Use desmos!

8 0
3 years ago
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Which terms complete the factorization of x2+27x+162 represented by the model?
Anarel [89]

Answer:

9, 9x, 18x

Step-by-step explanation:

Hence the B. I hope this helps love!

4 0
2 years ago
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