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faltersainse [42]
3 years ago
5

What is the solutiom of the equation - 25=x-12​

Mathematics
1 answer:
AleksAgata [21]3 years ago
3 0

Answer:

The answer is -13 = x

Step-by-step explanation:

Add 12 on both sides. Which cancels the -12 on the right.

-25+12=-13.

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4b+5=1+5b what does b equal​
kvv77 [185]

Answer:

b=-1

Step-by-step explanation:

1+5b=4b+5

-4b       -4b

1+4b=5

-4b  -4b

1=4b+5

-5 -5

-4 = 4b

b=-1

sorry i made a mistake this could've been shorter but :D

7 0
3 years ago
Read 2 more answers
1-i need to mix 25% mineral spirits to the varnish i am using what ratio of spirit to varnish am i using? 2-if i use 240 ml of v
zhenek [66]

Answer:

(1) The required ratio of spirit to varnish is 1:3.

(2) You need 80 ml of mineral spirit.

(3) The ratio of tapestries' heights to width is 3:2.

Step-by-step explanation:

(1) If you need to mix 25% mineral spirit to the varnish, then the solution would contain 25% mineral spirit and 75% varnish.

So, \frac{spirit}{varnish}=\frac{25}{75}

                  =\frac{1}{3}

Thus, The required ratio of spirit to varnish is 1:3.

(2) If you use 240ml of varnish, then this quantity is 75% of the total solution or ration of varnish to the total solution will be 3:4.

Let x be the quantity of total solution.

Then, 240:x=3:4.

⇒\frac{240}{x}=\frac{3}{4}

⇒3x=240*4

⇒x=\frac{240*4}{3}

⇒x=320

That is, total solution is 320 ml.

Now, Spirit = Total solution - Varnish

⇒Spirit = 320ml-240ml

⇒Spirit = 80ml

Hence, if you use 240 ml of varnish, you need 80 ml of mineral spirit.

(3) Robison's tapestries all measure 1.5m long and 1m wide. First, we express dimensions in whole numbers by multiplying them by 10.

Then, dimensions are 15m long and 10m wide.

Now, Height : Width = 15:10

⇒\frac{Height}{Width} =\frac{15}{10}

⇒\frac{Height}{Width} =\frac{3}{2}

Hence, the ratio of tapestries' heights to width is 3:2.

8 0
3 years ago
At the 2010 Winter Olympics in Vancouver, the top 8 countries got a total of 60 gold medals. Of the 60, Russia got 3 gold medals
forsale [732]

Answer:

hr

Step-by-step explanation:

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3 years ago
Log(5) + log(3) rewrite the following in the form log(c).
Dennis_Churaev [7]
Log (5) + log (3) = log (15)
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motikmotik

Answer:d

Step-by-step explanation:

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