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Nookie1986 [14]
3 years ago
9

Multiply the polynomials. (7x2 + 5x + 7)(4x - 6)

Mathematics
1 answer:
ipn [44]3 years ago
8 0

Answer:

28^(x^(3))-22x^(3)-2x-42

Step-by-step explanation:

This is what youll get when u multiply

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A 10-ounce box of cereal costs $3. A 20-ounce box of the same cereal costs $5. A third box of the same cereal costs $8. Calculat
kogti [31]

Answer:

number of ounces in the third box = 32 ounces

Step-by-step explanation:

The number of ounces is directly proportional to the cost

Let O represent the number of ounces, C represent the cost

O∝C----------------Eqn 1

O = KC

K = O÷C = 20/5 = 4

Hence number of ounces in the third box = 4 × 8 = 32 ounces

7 0
4 years ago
Work out 1/2 x 7 giving your answer as a mixed number
irga5000 [103]

Answer:

4\frac{1}{2}

Step-by-step explanation:

This question is basically saying: what is half of 7, or what is 7 divided by 2?

Based on this, it can be written both of the ways as:

»»  \frac{1}{2} of 7  <u>OR</u>  7 ÷ 2

So, just solve using either one and you’ll get 4.5 or 4\frac{1}{2}. But since the question wants the answer to be a mixed number, then choose 4\frac{1}{2}.

Hope this helps! :)

7 0
3 years ago
Pleazehelp?!?!?!?!??!?!?!??!?!?!?!??!???????????????!??!?!??!?!?
pochemuha

Answer:

Number of banquets 5

Mass of one bouquet 3d +4d+v

Mass of tulips 4t

Mass of daffodils 3d

Step-by-step explanation:


8 0
4 years ago
What is the sum of 5c-c
shutvik [7]

Answer:

4c

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

5c - c

<u>Step 2: Simplify</u>

  1. [Subtraction] Combine like terms:                                                                 4c
6 0
3 years ago
I have to pay my friend $1 increased by 50% each day for 20 days. How much do I have to pay him at the end of the 20 days.
Radda [10]

So for this, you'll be using an exponential equation, which is y=ab^x (a = initial value, b = growth/decay).

Since you start off paying your friend $1, that will be your initial value. And since this is a 50% increase, you are to add 1 and 0.5 together (50% in decimal form), which is 1.5. That will be your b variable. And since # of days is the independent variable, that will be your x variable.

Using the previous info, this is our equation: y = 1(1.5)^20 . From here we can solve for the total cost (y).

Firstly, solve 1.5^20: y = 1(3325.26)

Next, multiply everything on the right side of the equation, and your answer will be (rounded to the hundreths): y = 3325.26

In context, at the end of the 20 days, you have to pay your friend $3325.26.

5 0
3 years ago
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