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saul85 [17]
3 years ago
6

Help me with the triangle area please

Mathematics
2 answers:
dexar [7]3 years ago
7 0

Answer:

15 m ^2

Step-by-step explanation:

3 x 10 is 30

divide that by 2 since the triangle can fit in half of the rectangle shape

you will get 15

Sindrei [870]3 years ago
5 0

Answer:

15

Step-by-step explanation:

<h2><u>Area of a triangle</u></h2><h3>formula of area: </h3>

1/2 * b*h

b is the base

h is the height

= 1/2 * 10 * 3

<u>= 15</u>

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Inessa05 [86]
The answer to this question would be D. 3(x)-3(9)
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Daily fact #1:You can't move your upper teeth.
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Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
An error has been made in subtracting the two polynomials shown in the work below the problem is (6x^2-4x-5)-(3x^2-7x=2)
MissTica

Answer/Step-by-step explanation:

Let's work out the subtraction of the polynomial to find out where the error is and the correct result we should have.

6x² - 4x - 5

- 3x² - 7x + 2

= [6x² - 3x²] [-4x -(-7x)] [-5 -(+2)]

= 3x² + 3x - 7

The error that was made in the subtraction given in the question was that the negative signs before the terms, 7x and 5 were ignored while subtracting.

The sign is very important, it defines the value of the term.

We can choose to solve the problem in another way shown below:

(6x² - 4x - 5) - (3x² - 7x + 2)

Distributive the negative sign in the second polynomial

6x² - 4x - 5 - 3x² + 7x - 2

Combine like terms

6x² - 3x² - 4x + 7x - 5 - 2

3x² + 3x - 7

7 0
3 years ago
8x+4(x-3)=4(6x+4)-4 please help
kvasek [131]

Answer:

x = -2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

8x + 4(x - 3) = 4(6x + ) -4

8x +(4)(x) + (4)(-3) = (4)(6x) + (4)(4) + -4 (distribute)

8x + 4x + -12 = 24x + 16 + -4

(8x) + (4x) +(-12) = (24x) + (16 + -4) (combine like terms)

12x + -12 = 24x + 12

12x -12 = 24x + 12

Step 2: Subtract 24x from both sides.

12x -12 -24x = 24x + 12 -24x

-12x -12 = 12

Step 3: Add 12 to both sides.

-12x - 12 + 12 = 12 + 12

-12x = 24

Step 4: Divide both sides by -12.

-12x/-12 = 24/-12   <u>x = -2</u>  

HOPE THIS HELPED!!!

5 0
3 years ago
Someone please help i will rate! :(
Angelina_Jolie [31]
What you will want to do is replace x with the amount of customers so it would be 42 squared divided by 3025-55x42 which should hopefully give you your answer which is 2.339 but you may have to round it as you can’t have 1/3 of a person etc hope this helps, let me know if I’m wrong
7 0
2 years ago
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