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mamaluj [8]
3 years ago
7

PLEASE HELP!! 20 POINTS!!

Mathematics
1 answer:
Mashcka [7]3 years ago
3 0

Answer:

12\sqrt{3}

Step-by-step explanation:

I do not know if this is completely correct

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Simplify the expression completely. 7b+3(4b−2)+6÷3
Karo-lina-s [1.5K]

Answer:

19b-4

Step-by-step explanation:

7b+3(4b-2)+6÷3

Bracket comes first so we distribute 3 over the terms in the bracket

= 7b + 12b -6 +6 ÷ 3

First we solve division

= 7b + 12b -6 +6 ÷ 3

= 7b + 12b -6 +2

= (7b+12b)+(-6+2)

= 19b -4

This can't be simplified further as it can't be solved anymore

4 0
3 years ago
Read 2 more answers
el precio del kilogramo de jitomate es de 36.50 juana compro 3 1/2 kilogramos cuanto pago por todo el jitomate?​
SashulF [63]

El precio total por 3 1/2 kg de jitomate que compró Juana es 127.75

Para saber el precio total de los 3 1/2 kg de jitomate que compró Juana debemos hacer el siguiente procedimiento.

Necesitamos saber cuánto vale medio kg de jitomate, para ello dividimos 36.50 en 2.

36.50/2 = 18.25

Luego multiplicamos 36.50 por 3, para saber cuánto valen 3 kg de jitomate.

36.50 X 3 = 109.5

Por último, sumamos el precio de medio kilo con el precio de tres kilos para tener el total que pagó Juana.

109.5 + 18.25 = 127,75

Aprenda más en: brainly.com/question/16170919

8 0
3 years ago
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What is 3-8 + 2v- v equal to?​
Anettt [7]
If the answer is supposed to be an equation, it should be -5(+)v
6 0
3 years ago
I need help ASAP<br><br>The gray at the bottom are the answers to pick from for question 1
BARSIC [14]
The answer is Expression I just took that . Hopeful that help :)
6 0
3 years ago
A builder makes staircases where each step is 29 cm long and rises 18 cm so people dont trip. Every staircase has a stringer - a
Black_prince [1.1K]

Let x represent length of the stringer of the staircase.

We have been given that a  builder makes staircases where each step is 29 cm long and rises 18 cm so people don't trip. Every staircase has a stringer - a diagonal support connecting all the steps. We are asked to find the length of the stringer of the staircase.

The length of the stringer of the staircase will be equal to diagonal of right triangle with two legs 29 cm and 18 cm.

Using Pythagoras theorem, we will get:

x^2=29^2+18^2

x^2=841+324

x^2=1165

Now we will take square root of both sides of equation.

\sqrt{x^2}=\pm\sqrt{1165}

x=\pm 34.13209

x\approx \pm 34.13

Since length cannot be negative, therefore, the length of the stringer of the staircase would be approximately 34.13 cm.

3 0
3 years ago
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