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hammer [34]
3 years ago
10

47÷10+86×450 I just need to figure this out I need help

Mathematics
1 answer:
Nonamiya [84]3 years ago
3 0
Use PEMDAS, which stands for Parenthesis, Exponents, Multiply, Divide, Add, and Subtract. 
First multiply, so 86 x 450 = 38700, and then divide 47 divided by 10, which is 4.7, and then add 4.7 plus 38700, which would give you 38704.7
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koban [17]

what r u talking about

7 0
4 years ago
For the quadratic equation, state the axis of symmetry, vertex, and any intercepts.
dusya [7]

Answer:

Axis of Symmetry is x = 2

Vertex is (2, -9)

X Intercepts are (5, 0) and (-1, 0)

Step-by-step explanation:

Quadratic Equation is in standard form. Formula find the x value of the vertex in standard form is -b/2a

a=1

b=-4

c=-5

--4/2(1) = 2

Plugin to find the y value of the vertex.

2^2-4(2)-5=y

4-8-5=y

y = -9

The x value of the vertex (in this case is 2) is the axis of symmetry. Therefore the axis of symmetry is x=2

Factor the equation to put into intercept form.

(x-5)(x+1) = y

The equation can be FOIL-ed to get back to standard form.

Separate the 2 parentheses and whatever can cancel the parentheses are your intercepts.

For (x-5) your intercept is (5, 0)

For (x+1) your intercept is (-1, 0)

The x intercepts are where the parabola will cross the x axis on the graph.

3 0
4 years ago
The sum of a whole number and twice the square of the number is 10. find the number ​
puteri [66]

Answer:

The number is 2.

Step-by-step explanation:

If the number is x then:

x + 2x^2 = 10

2x^2 + x - 10 = 0

2x^2 - 4x + 5x - 10 = 0

2x(x - 2) + 5(x - 2) = 0

(2x + 5)(x - 2) = 0

x = 2.

6 0
3 years ago
Read 2 more answers
What is the slope of the line passing through the points.​
Darya [45]

Answer:

m=\frac{7}{4}

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>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (0, -5)

Point (4, 2)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                    m=\frac{2+5}{4-0}
  2. Add/Subtract:               m=\frac{7}{4}
3 0
3 years ago
- 5/8c = 20 <br> A. -34<br> B. -32<br> C. 32<br> D. 34
lutik1710 [3]
The answer is B. -32 this is a really easy question
8 0
4 years ago
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