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3 years ago

Which operation would you do first? 2 · (15 - 2) ÷ 5

Mathematics

2 answers:

Dennis_Churaev [7]3 years ago

5 0

Answer:

2.6

Step-by-step explanation:

u take away 15 for two and division by 13 by 5

ki77a [65]3 years ago

3 0

You would have to do 15 - 2 because according to PEMDAS you do parentheses first and you would do the multiplication and division

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A carpenter is making a backyard deck. In the measurements, he has determined that he needs to make a support triangle with an a

Lubov Fominskaja [6]

Answer:

Base=3x-1

height =x

As we know that in a triangle

${\boxed{\sf Area={\dfrac {1}{2}}\times Base \times Height }}$

Substitute the value

$\qquad\quad {:}\longrightarrow\sf 22={\dfrac {1}{2}}(3x-1)(x)$

$\qquad\quad {:}\longrightarrow\sf x (3x-1)=44$

$\qquad\quad {:}\longrightarrow\sf 3x^2-x=44$

<h3>Correct option is option D</h3>

7 0

2 years ago

Solve for x: 3/2 + 1/2x =2x

storchak [24]

$\huge{ \boxed{ \bf{ \red{Problem:-}}}}$

<h3>Solve for x: 3/2 + 1/2x =2x</h3>

$\huge{ \boxed{ \bf{ \red{Solution:-}}}}$

$\bold{ \frac{3}{2} + {\frac{1}{2} x = 2x}}$

$\bold{ ⇒\frac{3}{2} + {\frac{x}{2} = 2x}}$

$\bold{⇒\frac{3 + x}{2} = 2x}$

$\bold{⇒3 + x = 2(2x)}$

$\bold{⇒3 + x = 4x}$

$\bold{⇒3 = 4x - x}$

$\bold{⇒ \frac{3}{3} = x}$

$\bold{ \therefore{x = 1}}$

<h3>Hope it's helpful</h3>

7 0

2 years ago

Please solve this question thank you

SVETLANKA909090 [29]

Answer:

angle ABC = 30°

Step-by-step explanation:

I attached a picture. if any part is not understandable leave a comment.

6 0

2 years ago

Combine like terms for <br> (3x²+2x²-5x+7)+(4x²+2x-3)

horsena [70]

Answer:

9x^2-3x+4

Step-by-step explanation:

(3x^2+2x^2-5x+7)+(4x^2+2x-3)

5x^2-5x+7+4x^2+2x-3

5x^2+4x^2-5x+2x+7-3

9x^2-3x+7-3

9x^2-3x+4

5 0

2 years ago

Read 2 more answers

What is the value of the expression?

lora16 [44]

-square root 3 over 3
hope this helps.

7 0

3 years ago

Which operation would you do first? 2 · (15 - 2) ÷ 5 ​

Which operation would you do first? 2 · (15 - 2) ÷ 5