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KatRina [158]
3 years ago
7

Which expression is equivalent to (2x + 1)?

Mathematics
2 answers:
Akimi4 [234]3 years ago
7 0

Answer:

A

Step-by-step explanation:

rjkz [21]3 years ago
7 0
The answer to this question i believe is A
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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
What is c=(s+b/4) solve s?
konstantin123 [22]

Answer:

s =c-b/4

Step-by-step explanation:

this is what i think you wanted

3 0
3 years ago
The box office manager said about 5,000 people attended the show. Write a number that could be the actual attendance if he corre
IRINA_888 [86]
<span>In the given mathematical value of 5,000 to round off this number to the nearest hundred, we can elaborate the number values using the expanded form to clearly see the order position: </span><span><span>1. </span> 5,000 = thousands
</span><span>Now we can observe the numerical value of 4,900 as the rounding number which becomes

4900 = 5000
4800 = 5000
4700 = 5000
4600 = 5000
4500 = 5000
</span><span />
7 0
3 years ago
Read 2 more answers
Evquivilent Ratio for 23:37
solong [7]

Answer:

46:74

Step-by-step explanation:

7 0
3 years ago
What is the sum o 12/13+(-1/13
Vlad [161]
12/13=.923076923 (-.33333333) -.307692305 or -.30

7 0
3 years ago
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