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Sav [38]
3 years ago
11

HELPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!

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

Answer:

Option 1

Step-by-step explanation:

3 is also equal to 3/1 so 3/1 ÷ 1/3 is the same

as 3/1/3.

I hope this isn't confusing :)

Veronika [31]3 years ago
5 0

Answer:

Option 1 is the correct fraction as a division problem

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Pavel [41]

The circumference Is

тнє ¢ιя¢υмfєяєи¢є ιѕ: 25.13274

нσω тσ fιи∂ ¢ιя¢υмfєяєи¢є: тнє fσямυℓα fσя ¢ιя¢υмfєяєи¢є ιѕ, ¢=2πя

нσρє ι ¢συℓ∂ нєℓρ уσυ

3 0
3 years ago
Read 2 more answers
Factor x3 + 2x2 + x completely.<br><br> a. (x+1)^2<br><br> b. x(x+1)^2<br><br> c. x(x+1)^2
enot [183]

Option B

<u>ANSWER:  </u>

The factors of  $x^{3}+2 x^{2}+x$ is $x(x+1)^{2}$

<u>SOLUTION: </u>

Given, cubic expression is  $x^{3}+2 x^{2}+x$

Now, we have to find the factors of above equation.

To factorize the given equation, follow the below steps:

$\mathrm{x}^{3}+2 \mathrm{x}^{2}+\mathrm{x}$

Since x is common in every term of expression, we can take it as common

$x\left(x^{2}+2 x+1\right)$

“2x” can be rewritten as “x + x”, the above equation becomes,

$x\left(x^{2}+x+x+1\right)$

Taking the common terms out of bracket. we get

x(x (x + 1) + 1 (x + 1))  

Taking (x + 1) as common., we get

x ((x + 1)(x + 1))  

$x(x+1)^{2}$

Hence, the second option b is correct.

7 0
4 years ago
Please help me<br> thanks!!
ValentinkaMS [17]

Answer:

Step-by-step explanation:

Question One

Multiply through by 2

2*1/2 * (2x + y ) = 21/2 * 2

Combine

2x + y = 21

Subtract 2x from both sides

y = 21 - 2x

Now equate the two given equations

y = 21 - 2x

y = 2x

Add 2x to both sides

2x = 21 - 2x

2x + 2x = 21

4x = 21

x = 21/4

x = 5 1/4

or

x = 5.25

Question 2

\dfrac{2x + 6}{(x + 2)^2} - \dfrac{2}{(x + 2)}

multiply numerator and denominator of the second fraction by (x + 2)

\dfrac{2x + 6}{(x + 2)^2} - \dfrac{2(x + 2)}{(x + 2)*(x + 2)}

Remove the numerator brackets in the right hand fraction. Look out for the minus sign.

\dfrac{2x + 6}{(x + 2)^2} - \dfrac{2(x + 2)}{(x + 2)^2}\\\\\dfrac{2x + 6- 2x - 4}{(x + 2)^2}}\\\\\dfrac{2}{(x + 2)^2}

6 0
4 years ago
Read 2 more answers
Daisy works at an ice-cream parlor. She is paid $10 per hour for the first 8 hours she works in a day. For every extra hour she
tester [92]

Answer:

The expression giving her net earnings for a day with more than 8 hours worked is X = 80 + 15H, where H means "extra hours worked".

Step-by-step explanation:

Given that Daisy works at an ice-cream parlor earning $10 per hour for the first 8 hours she works in a day, and 1.5 times her hourly wage for every extra hour she works, in order to know how much can she make in a day working more than 8 hours the following equation has to be made:

X = (8 x 10) + (H x (1.5 x 10))

X = 80 + 15H

Therefore, if Daisy works 13 hours, the equation works as follows:

X = 80 + 15x13

X = 80 + 195

X = 275  

3 0
3 years ago
Help for a friend? They don't have an account so I am asking for them. Please answer fast!
sveta [45]

Answer:

A. 7*5 + 4^2 - 2^3 / 4 = 35 + 16 - 8 / 4 = 35 + 16 - 2 = 49

B. The statement of seven times five plus four squared minus 2 cubed divided by 4 is equal to 49. (or whatever your friend's teacher wants when they ask for a complete sentence).

C. PEMDAS - parentheses, exponents, multiplication, division, addition, subtraction

Note:

When remembering PEMDAS, please remember that multiplication actually isn't prioritized over division - they should be performed "simultaneously" from left to right. Same with addition and subtraction. The order is: P -> E -> MD -> AS.

4 0
1 year ago
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