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Katena32 [7]
3 years ago
12

Yolanda is buying supplies for school. She buys n packages of pencils at $1.40 per package and m pads of paper at $1.20 each. Wh

at does each term in the expression 1.4n+ 1.2m represent? What does the entire expression represent?
Mathematics
1 answer:
OlgaM077 [116]3 years ago
4 0
1.4n will represent the price for (n) packs of pencils

1.2m will represents the price for (m) packs of paper

1.4n+1.2m as a whole, will represent her total cost.
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When factoring a polynomial in the form ax2 + bx + c, where a, b, and c are positive real numbers, should the signs in the binom
gtnhenbr [62]

When factoring a polynomial in the form ax2 + bx + c, where a, b, and c are positive real numbers, the signs in the binomials should be both positive

<h3>What are quadratic equations?</h3>

Quadratic equations are second-order polynomial equations and they have the form y = ax^2 + bx + c or y = a(x - h)^2 + k

<h3>How to determine the true statement?</h3>

The form of the polynomial is given as:

ax2 + bx + c

Where a, b, and c are positive real numbers.

Since a, b, and c are positive real numbers. then the form of the expansion would be:

ax2 + bx + c = (dx + e)(fx + g)

<h3>Example to verify the claim</h3>

Take for instance, we have the following quadratic equation

x^2 + 6x +  8

Expand the equation

x^2 + 6x +  8 = x^2 + 4x + 2x +  8

Factorize the equation

x^2 + 6x +  8 = (x + 2)(x + 4)


Hence, the signs in the binomials should be both positive

Read more about polynomials at:

brainly.com/question/4142886

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2 years ago
Part C<br> If you use 10^-4 as the power of 10, what is the mass of an average grain of rock salt?
sleet_krkn [62]

Answer:

120 x 10^-4

Step-by-step explanation:Multiplying 1.2  by  10^2 and multiplying 10^-2  by  10^-2.Gives 120 x 10^-4  So, the mass of an average grain of rock salt is 120 x 10^-4  .

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3 years ago
What is the length of diagonal BD in rectangle ABCD if BC=5 and CD=8.
svetlana [45]
I hope this helps you

6 0
3 years ago
ASAP NOW JUST ANSWER NO WORK
Naily [24]

Answer:

b.

Step-by-step explanation:

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3 years ago
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