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azamat
2 years ago
8

Help me pleaseeee thank you

Mathematics
2 answers:
slava [35]2 years ago
7 0
The answer is D 21t
For each day is an increase of 21
cestrela7 [59]2 years ago
7 0

Answer:

D

Step-by-step explanation:

Time is directly proportional to the Cost. And if you use the calculator you'll still get the answer by substituting the time into 21t

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Binomial Coefficients (30pts) 1. Write (a + b)^2 as a polynomial in standard form. Show work (FOIL/distributive property).
Darina [25.2K]

Answer:

a^2 + 2ab + b^2

Step-by-step explanation:

Given

(a + b)^2

Required

Express as a standard polynomial

We have:

(a + b)^2

Rewrite as:

(a + b)(a + b)

Open bracket

a^2 + ab + ab + b^2

Add like terms

a^2 + 2ab + b^2

4 0
2 years ago
Which is the constant term of the algebraic expression -2x^2+17-15x+7xy?
andrew11 [14]
The given expression is
-2x² + 17 - 15x + 7xy

The algebraic expression may be written as
-2x² + 7xy - 15x + 17

The constant term does not contain either x or y.
Therefore  17 is the constant term.

Answer: 17

7 0
2 years ago
I just need help with number 2, thank you
alekssr [168]

It represents the thing the avadocate needs to be muiltiplied by

4 0
2 years ago
Simplify the expression. Write your answer as a power.<br><br> 8^10⋅8^4
topjm [15]

8^14 is the answer.

This is because since they both have the same base, the exponents could be added together if the numbers are multiplied together

3 0
2 years ago
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Select the right answer multiple choice (HELPPP
murzikaleks [220]

Answer:

its C

Step-by-step explanation:

3 0
2 years ago
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