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MaRussiya [10]
3 years ago
10

Can someone please help me solve thisss

Mathematics
1 answer:
Deffense [45]3 years ago
3 0
Photo anwser : y = 9

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Multiply and simplify: 2a(7a^a-3a+9)
Inessa [10]
If a were 1, The answer would be:

26

Hope this helps:)
4 0
4 years ago
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For the dinner special at a restaurant , the customer must choose a salad, an entree, a side dish, and a dessert... How many din
Alekssandra [29.7K]

All you need to do is multiply the different types of each choice.

For salad, there are three different items. For entree, there are four different items. For side dish, there are three different items. for dessert, there are three different items.

Multiply the four numbers:

3 \times 4 \times 3 \times 3 = 108

<u>108</u> dinner specials are possible.

6 0
4 years ago
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I need some one to help me!! <br><br> Is (7, 0) a solution to the equation y = x − 7?
Marianna [84]

Answer:

Yes

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>

Coordinates (x, y)

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (7, 0)

Equation y = x - 7

<u>Step 2: Find</u>

  1. Substitute in point [Equation]:                                                                         0 = 7 - 7
  2. Subtract:                                                                                                            0 = 0

Since 0 = 0 is true, then it would be a solution to the equation.

3 0
3 years ago
Quadratic and Ratios...​
lozanna [386]

Answer:

x=0

Step-by-step explanation:

in the quadratic formula to only have one solution

b^{2} -4ac=0 for ax^2+bx+c=0

so we have

ax^2+b=c

ax^2+(b-c)=0

if we insert in the formula we have

0^2-4(a)(b-c)=0\\\\-4ab+4ac=0\\\\4ac=4ab\\\\\frac{4ac}{4a} = \frac{4ab}{4a}\\\\c=b

ax^2+b=c\\\\ax^2=b-b\\\\ax^2=0 since a≠0

\frac{ax^2}{a}=\frac{0}{a}  \\\\x^2=0\\\\x=0

8 0
3 years ago
Please help me solve this question...
const2013 [10]

Answer: It would be 30 each, so 30 plus laura being three years older = 103 so you answer is 30

Step-by-step explanation:

6 0
3 years ago
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