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2 years ago

Hi guys I need helpplease

Mathematics

2 answers:

Maurinko [17]2 years ago

8 0

Alright so basically 1

Zanzabum2 years ago

7 0

Answer:

saannn Wala Naman

Step-by-step explanation:

HAHAHAJAH BLABLA

THANKS SA POINTS

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PLEASE EXPLAIN YOUR ANSWERS!

DedPeter [7]

Answer:

(9 1/2)/(4 3/4)

19/2)/19/4) Divide:

19*4/2*19= 76/38= 2 rooms

Step-by-step explanation:

6 0

3 years ago

20) Fred bought 3 shirts, each of the same price and received less than $12 change from a $50 bill.

gladu [14]

<h3>Three t-shirts can be represented as "X" and 3 will be represented as the number of t-shirts Fred bought.</h3><h3 /><h2>3x = 50</h2><h3>÷3 ÷3 ← divide both sides by 3</h3><h3 /><h3>X = $16.66 maximum cost.</h3>

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2 years ago

Read 2 more answers

Is 3 times 2/7 greater or less than 3

inysia [295]

2/7 as a fraction rounds to 0.3

0.3 * 3 = 0.9

3 x 2/7 is less than 3

3 0

2 years ago

Read 2 more answers

LCM OF 4 9 12 plz plz plz pl plz plz plz plz help

laiz [17]

Its 36 because 4×9=36 and 12×3 is 36. hope this helps.

8 0

2 years ago

Read 2 more answers

The paint mixer wants to mix paint that is 30% gloss with paint that is 15% gloss to make 3.75 gallons of paint that is 20% glos

Kipish [7]

The paint mixer should mix 1.238 gallon paint that is 30 % gloss and 2.512 gallon paint that is 15 % gloss to get 3.75 gallon of paint that is 20 % gloss.

In this question we must determine the correct volumes of each paint to obtain a 20 % gloss with paint by means of weighted averages:

$c_{r} = x\cdot c_{a} +(1-x)\cdot c_{b}$ (1)

Where:

$x$ - Proportion of the paint that is 30 % gloss.
$c_{a}$ - Concentration ratio of the paint that is 30 % gloss.
$c_{b}$ - Concentration ratio of the paint that is 15 % gloss.
$c_{r}$ - Resulting concentration ratio

If we know that $c_{a} = 0.3$ , $c_{b} = 0.15$ and $c_{r} = 0.2$ , then the proportion of the paint that is 30 % gloss is:

$0.2 = 0.3\cdot x +(1-x)\cdot 0.15$

$0.2 = 0.15\cdot x+0.15$

$0.15\cdot x = 0.05$

$x = 0.33$

And the quantity of gallons needed of each paint are:

Paint (30 % gloss)

$V_{a} = 0.33\cdot (3.75\,gal)$

$V_{a} = 1.238\,gal$

Paint (15 % gloss)

$V_{b} = V-V_{a}$

$V_{b} = 3.75\,gal-1.238\,gal$

$V_{b} = 2..512\,gal$

The paint mixer should mix 1.238 gallon paint that is 30 % gloss and 2.512 gallon paint that is 15 % gloss to get 3.75 gallon of paint that is 20 % gloss.

To learn more on weighted averages, we kindly invite to check this question: brainly.com/question/18554478

8 0

2 years ago

Hi guys I need helpplease​

Hi guys I need helpplease