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defon
3 years ago
8

Rewrite 5 times X + 5 x 8 in parenthesies

Mathematics
2 answers:
mariarad [96]3 years ago
8 0

Answer:

5(X+5*8)

Step-by-step explanation:

yes

sveta [45]3 years ago
5 0

Answer:

5(X+5x8)

Step-by-step explanation:

i hope this helpssss

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Bruce wants to make 50 ml of an alcohol solution with a 12% concentration. He has a 10% alcohol solution and a 15% alcohol solut
Inessa05 [86]

The equation is 0.1x + 0.15(50-x)=1.20(50)

Step-by-step explanation:

Here you need 50ml of 12% alcohol solution.

You have 10% and 15% alcohol solutions.

Take volume of 10% alcohol solution to be x ml

Take volume of 15% alcohol solution to be y ml

Form equations;

x+y=50 ml--------------------------equation 1

0.1x +0.15 y= 12% of 50

0.1x+0.15y=6-----------------------equation 2

Now you have simultaneous equations, use a graph tool to solve for values of x and y as attached.

or use the mixture equation the get value of x

0.1x + 0.15(50-x)=1.20(50)

The values of x and y are ;

(x,y) (30,20) which means;

y is 20 ml of 15% alcohol

x is 30 ml of 10% alcohol

Learn More

  • brainly.com/question/2405496

Keywords : concentration, mixture

#LearnwithBrainly

5 0
3 years ago
Please help me with this also if you may, Tell me how you got what you got. Worth a lot of points :)
lesantik [10]

Answer

Step-by-step explanation:

i need the form of opperations what are you doing? standard form algerbraic roots with mixed fractions?

4 0
3 years ago
HELP ASAP what is 9/10-5/10=
Fofino [41]

9/10 - 5/10

because the denominators are the same you keep it and just subtract the numerators

=4/10

This can be reduced to 2/5

6 0
3 years ago
Read 2 more answers
The the length of a rectangle is 9 centimeters less than four timesfour times its width. its area is 28 square centimeters. find
wel

Let w = width

then

5w-3 = length

w(5w-3) = 14

5w^2-3w = 14

5w^2-3w-14=0

(5w+7)(w-2) = 0

w = {-7/5, 2}

throw out the negative solution leaving

w = 2 centimeters

length:

5w-3 =5(2)-3 =10-3 = 7 centimeters

4 0
3 years ago
Find the value of y. images attached.
telo118 [61]

Answer:

<h3>The answer is option D</h3>

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of y

To find the value of y we use tan

\tan(28)  =  \frac{y}{35}  \\ y = 35 \tan(28)  \\ y = 18.6098301...

We have the final answer as

<h3>18.61</h3>

Hope this is helps you

5 0
3 years ago
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