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Rina8888 [55]
3 years ago
5

Drag a statement or reason to each box to complete this proof.

Mathematics
2 answers:
snow_tiger [21]3 years ago
8 0

Answer:

C. Addition property of equality; E. 3x=18; B. Division property of equality; D. x=6 ; A. Simplifying  

Step-by-step explanation:

Between the first and second step, 4 has been added to each side of the equation.  The property that allows us to do this is the addition property of equality.

On the thirdp, we are told the reason is simplifying; to simplify the second step, we would combine like terms.  On the left that would give us 3x and on the right it would give us 18; thus we have 3x = 18.

For the fourth step, we have 3x/3 = 18/3; both sides have been divided by 3.  The property that allows us to do this is the division property of equality.

After we divide and simplify, we are left with x = 6; the justification is simplifying.

Vadim26 [7]3 years ago
4 0
The items below show the complete steps as to how this is being answered.

  1. 3x - 4 = 14 >>>> Given
   2. 3x - 4 + 4 = 14 + 4 >>>
      Step number 2 above is an addition property of equality. Both sides of the equation are added with 4. 
  3. Simplifying >>>
      3x = 18
   4. 3x/3 = 18/3 >>>> Division property of equality
   5. >>>> Simplifying,
        x = 6

Hence, the order of the choices as answers is C, E, B, A, D. 

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-16x^2 +64x + 60<br> What is the max height
Elanso [62]

Answer:  

x=5/2,3/2

so 5/2 is the maximum height. (2.5)

Step-by-step explanation:

3 0
3 years ago
A can of tuna has a volume 18pi cm3 and a height of 2 cm. Find the area of the label that wraps around the entire can and does n
Sphinxa [80]

Answer:

The area of the label is 12\pi\ cm^{2}

Step-by-step explanation:

step 1

Find the radius

we know that

The volume of the cylinder (can of tuna) is equal to

V=\pi r^{2} h

In this problem we have

V=18\pi\ cm^{3}

h=2\ cm

substitute and solve for r

18\pi=\pi r^{2} (2)

Simplify

18=r^{2}(2)

r^{2}=9

r=3\ cm

step 2

<em>Find the lateral area of the can</em>

The lateral area of the cylinder (can of tuna) is equal to

LA=2\pi rh

we have

r=3\ cm

h=2\ cm

LA=2\pi (3)(2)=12\pi\ cm^{2}

5 0
3 years ago
Hey! please help i’ll give brainliest!
mixer [17]

the answer is B

hope this helps :)

7 0
2 years ago
Read 2 more answers
Considere as seguintes afirmações: I. O inverso de 0,2 é 5. II. O triplo de \frac{2}{5} é \frac{6}{15}. III. A metade de 0,5 é \
Alex777 [14]

Answer:

I e III

Step-by-step explanation:

Recebemos declarações na questão acima para considerar.

Declaração I. O inverso de 0,2 é 5.

Matematicamente, isso é escrito como:

1 / 0,2

0,2 = 2/10

Portanto: 1 ÷ 2/10 = 1 × 10/2

= 5

Afirmação 1 é verdadeira

Declaração II.

O triplo de 2/5 é 6/15.

Triplo de 2/5 = 2/5 + 2/5 + 2/5

= 2 + 2 + 2/5

= 6/5

= 1 1/5

Declaração II é falsa

III. A metade de 0,5 é 1/5

1/2 de 0,5

= 1/2 × 0,5 = 0,25

Convertendo em fração

= 0,25 = 25/100

= 1/4

Declaração III está correta

Portanto, as afirmações verdadeiras são I e III

8 0
2 years ago
Pic attached- If twice a number, n, is 5 less than three times the
Andrei [34K]

Answer: F: 2n = 3n - 5

Step-by-step explanation: Subtract 5 from 3n as 2n is 5 less than 3n.

7 0
3 years ago
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