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Elza [17]
3 years ago
5

Find the value of 2x -1 when x+6=-2

Mathematics
2 answers:
IceJOKER [234]3 years ago
8 0

Answer:

-17

Step-by-step explanation:

x + 6 = -2, subtract the 6 from -2

x = -2 - 6

x = -8

2x - 1 = ? plug in -8

2(-8) - 1 = ?

-16 - 1 = -17

so, 2(-8) - 1 = -17

Anna [14]3 years ago
3 0

Answer:

-17

Step-by-step explanation:

Let's first simplify x+6= -2.

x=-6-2

x= -8

Plug in x= -8.

2(-8)= -16

-16-1= -17

Hoped this helped.

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Considering the activity series given below for metals and nonmetals, which reaction will occur? al > mn > zn > cr >
victus00 [196]

The activity series is an arrangement of species in order of reactivity.

<h3>What is the activity series?</h3>

The activity series is an arrangement of species in order of reactivity. The position of a specie in the series determines the possibility of certain reactions.

The following are the fates of these reactions;

  • 2NaBr + I2--------->2NaI + Br2 - Not possible
  • 2Fe + Al2O3 ----------> 2Al + Fe2O3 - Not possible
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  • Pb + Zn(C2H3O2)2 ---------->  Zn + Pb(C2H3O2)2 - Not possible

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8 0
2 years ago
The radius of a circle is 19 cm. Find its area in terms of pi​
yan [13]

Answer:

38π cm

Step-by-step explanation:

The area of a circle of radius r is A = 2πr.

If the radius is 19 cm, then the area is A = 2π(19 cm), or 38π cm.

3 0
3 years ago
Six fifths of what number is 60?
Crazy boy [7]
<h3>Hey Buddy,</h3>

<h3>Answer :-</h3>

Answer is 72 .

<h3><u>Explanation :-</u></h3>

\frac{6}{5}  \: of \: what \: number \: is \: 60 \:

You probably , Know that the number above the fraction line is called the numerator and the number below it is called the denominator. To work out the fraction of any number, we first need to convert that whole number into a fraction as well .

• Any number can be converted to fraction if you use 1 as the denominator:

\frac{60}{1}

• So now that we've converted 60 into a fraction, to work out the answer, we put the fraction 6/5 side by side with our new fraction, 60/1 so that we can multiply those two fractions.

• convert the whole number to a fraction and then multiply the numerators and denominators.

\frac{6 \times 60}{5 \times 1}  =  \frac{360}{5}

• Our new fraction can actually be simplified down further. To do that, we need to find the greatest common factor of both numbers.

• You can use our handy GCF calculator to work this out yourself if you want to. We already did that , And the GCF of 360 and 5 is 5.

• We can now divide both the new numerator and the denominator by 5 to simplify this fraction down to its lowest terms.

\frac{360}{5}  = 72

\frac{5}{5}  = 1

• When we put that together, we can see that our complete answer is :-

\frac{72}{1}

<h3> Hence ,the complete and simplified answer to the question what is 6/5 of 60 is :- 72 .</h3>

<h3>Hope this helps you...!</h3>

<h3>#Carry on learning#</h3>

<h3>I hope you can understand !! </h3>

7 0
2 years ago
Pls help me I only have 2 minutes left winner gets brainliest
devlian [24]

Answer:

i think it was about 5000.

Step-by-step explanation:

7 0
3 years ago
Simplify: 6 + √27 / 3
Ray Of Light [21]

Answer:

6 + √27 / 3

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Step-by-step explanation:

4 0
3 years ago
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