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Sauron [17]
2 years ago
7

STION%7D%7D" id="TexFormula1" title="\huge\color{yellow}\underline \colorbox{violet} {\color{red}{QUESTION}}" alt="\huge\color{yellow}\underline \colorbox{violet} {\color{red}{QUESTION}}" align="absmiddle" class="latex-formula">​

Mathematics
2 answers:
JulsSmile [24]2 years ago
5 0

Answer:

    21. <u>27 cubic meters</u>

   22. <u>30 cubic meters</u>

Step-by-step explanation:

<u>Question 21</u>

  • Volume = length × width × height
  • Volume = 3 × 3 × 3
  • Volume = <u>27 cubic meters</u>

<u></u>

<u>Question 22</u>

  • Volume = 5 × 2 × 3
  • Volume = <u>30 cubic meters</u>
Leno4ka [110]2 years ago
3 0

Answer:

21.27 cubic meters

22.30 cubic meters

Step-by-step explanation:

We find volume by multiplying height, width, and length.

21.

3x3x3=27 cubic meters

22.

5x2x3=30 cubic meters

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Jack is trying to make extra money on his summer vacation from school. He works two different jobs, earning $9 per hour washing
Sveta_85 [38]

Answer:

$57

9w+6d

Step-by-step explanation:

Given that:

Earnings per hour for washing cars = $9

Earnings per hour for walking dogs = $6

Number of hours for which car washing is done = w

Number of hours taken for walking dogs = d

Earnings for w hours for washing cars = Per hour earnings multiplied by number of hours = $9w

Earnings for d hours for walking dogs = Per hour earnings multiplied by number of hours = $6d

Total earnings by both = $(9w+6d)

Now, given that

Number of hours spent washing cars = 5 hours

Number of hours spent walking dogs = 2 hours

Therefore, total earnings by both = 9 \times 5 + 6 \times 2 = <em>$57</em>

5 0
3 years ago
Dan has put his coins into 2 stacks, Each stack has the same number of coins. There are 12 coins total, How many coins are in ea
Usimov [2.4K]

Answer: 6

Step-by-step explanation: Division use a calculator 12/2

3 0
3 years ago
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What is 6(x-3) -4 (x-5)
vladimir1956 [14]

Answer:

2x + 2

Step-by-step explanation:

6(x - 3) - 4(x - 5)

6*x - 6*3 - 4*x - 4 * -5

6x - 18 - 4x + 20

2x + 2

6 0
3 years ago
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Rectangle ABCD has vertices at (-7,-2); (1, -2); (1, -8); and (-7, -8) respectively. If GHJK is a similar rectangle where G(2, 5
Gennadij [26K]

Answer:

Points J and K could be located at:

J(2,2)

K(6,2)

Step-by-step explanation:

Consider the vertices have a x and y coordinate:

A: x coordinate=-7  y coordinate=-2

B: x coordinate=1  y coordinate=-2

C: x coordinate=1  y coordinate=-8

D: x coordinate=-7  y coordinate=-8

G: x coordinate=2  y coordinate=5

H: x coordinate=6  y coordinate=5

Then it is possible to calculate the distance between the x and y coordinates:

x coordinate of Vertices AB:

x coordinate of B- x coordinate of A=1-(-7)=8

The distance between A and B is 8

y coordinate of Vertices AC:

y coordinate of A- y coordinate of C=-2-(-8)=6

The distance between A and C is 6

Then we know that the side AB of Rectangle ABCD measures 8 and the side AC, measures 6.

Repeat the analysis  with Rectangle GHJK. In this case, is only possible to calculate the distance with x coordinate.

x coordinate of Vertices GH:

x coordinate of H- x coordinate of G=6-(2)=4

The distance between G and H is 4

We can see that the distance in x of the Rectangle ABCD is 8, and the distance in x of the Rectangle GHJK is 4, it means that <em>the measure of ABCD is twice GHJK.</em>

Then, if the distance in y coordinate of Vertices AC is 6, we could say that the distance in<em> y coordinate of Vertices GJ is 3.</em>

<em />

Points J and K could be located at:

J(2,2)

K(6,2)

3 0
3 years ago
What is "i"?<br> 9x-7i &gt; 3 (3x-7u)
Natasha_Volkova [10]
I think I would be 1 but I am not so sure
5 0
2 years ago
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