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3 years ago

Can someone please HELPPP ILL MARK BRAINLIEST SOLVE 8 PLEASEE

Mathematics

1 answer:

wel3 years ago

8 0

Answer:

Step-by-step explanation:

Ok for this one you need a physical protractor to answer it. Line the protractor against a straight line of the shape and then where ever the line point to on the degree point is the answer. No one can really help you with this online unless you have the actual paper.

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Select all of the following that are quadratic equations.

Nesterboy [21]

Answer:

x^2 -2x = 4x+1

2x^2 +12x = 0

9x^2 +6x -3=0

Step-by-step explanation:

A quadratic equation has the highest power of x being squared

x^2 -2x = 4x+1

2x^2 +12x = 0

9x^2 +6x -3=0

These are all quadratic equations

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4 years ago

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How can you group these numbers 15 divide 3x5+4x8 to equal 40

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What do you mean by group these numbers

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3 years ago

154 square feet of glass. The window is 7 feet tall. What is the perimeter of the window

solmaris [256]

154 is the area so...
154 divided by 7 is 22
p= 2 (l+w)
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p = 2 (29)
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3 years ago

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4. Evaluate -8÷2+12×9-4x6\<br>56÷7x2

olchik [2.2K]

Answer:

Step-by-step explanation:

In Questions that involve multiple mathematical operations, we use the BODMAS or PEMDAS.

BODMAS is an acronym and it represents; Bracket, Order, Division, Multiplication, Addition, and Subtraction.

PEMDAS is also an acronym that means the same thing with BODMAS, it represents; Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction

We solve using the order present in BODMAS

-8 ÷ 2 + 12 × 9 - 4 x 6 \ 56 ÷ 7 x 2

Solving all Multiplication, we have;

-8 ÷ 2 + 12 × 9 - 4 x 6 \ 56 ÷ 7 x 2

-8 ÷ 2 + 108 - 24 \ 56 ÷ 14

Solving all Division, we have;

-8 ÷ 2 + 108 - 24 \ 56 ÷ 14

-4 + 108 - 24 \ 4

-4 + 108 - 6

Solving all Addition, we have;

-4 + 108 - 6

104 - 6 = 98

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3 years ago

2(x + 7) + 3x = 12 What is the first step in solving this equation for x? A) 2x + 14 + 3x = 12 Eliminate B) 2x + 7 + 3x = 12 C)

zhuklara [117]

The first step to solve is A

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4 years ago

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