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Montano1993 [528]
3 years ago
7

Please, I need help with this question

Mathematics
2 answers:
Yuri [45]3 years ago
8 0

Answer: See the table below (attached image)

  • Row 1:  2, 3, 5
  • Row 2: 6, 9, 15
  • Row 3: 8, 12, 20
  • Row 4: 12, 18, 30
  • Row 5: 14, 21, 35
  • Row 6: 16, 24, 40
  • Row 7: 20, 30, 50
  • Row 8: 28, 42, 70

Values in bold are the missing numbers to put into the boxes in the order shown.

====================================================

Explanation:

Each row is generated by using the original row 1. We can multiply every value in row 1 by the same positive whole number.

To get row 2, we multiply everything in row 1 by the value 3

  • We have 2 cups of red paint turn into 2*3 = 6 cups
  • Then we have 3 cups of yellow turn into 3*3 = 9 cups
  • Finally, 5 cups total turn into 5*3 = 15

So that explains why 9 and 15 go in the missing boxes for row 2. Note how 6+9 = 15. The first two columns always add to the third column value.

The other rows are generated in a similar fashion.

So we have...

  • For row 3, we multiply every value in row 1 by the number 4
  • For row 4, we multiply every value in row 1 by the number 6
  • For row 5, we multiply every value in row 1 by the number 7
  • For row 6, we multiply every value in row 1 by the number 8
  • For row 7, we multiply every value in row 1 by the number 10
  • For row 8, we multiply every value in row 1 by the number 14

If you're not sure what to multiply by, pick a value that's already given in the row in question, and divide it over its corresponding counterpart in row 1.

For instance, let's say we have no idea what to multiply by for row 8. We're given that 42 is in the middle of this row. Divide this over the corresponding middle value in row 1 to get 42/3 = 14. So 14 is our multiplier here. The same idea applies to any other row.

See the table below for the filled in values.

OLEGan [10]3 years ago
4 0

Answer:

the answer is in the picture I sent hope it helps my answer is like the other people .

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The cost of 1 watermelon and 5 oranges is $11.The cost of 3 watermelons and 5 oranges is $24.50.How much is the cost of 1 waterm
nignag [31]

Answer:

$6.75

Step-by-step explanation:

1: In this explanation, let's let one watermelon be w, and one orange be o.

2: From the passage, 1w + 5o = $11.

3: Also from the passage, 3w + 5o = $24.50

4: We can then use a simultaneous equation to work them out - both equations we have use 5 oranges.

3w + 5o = 24.5 (equation 1)

1w + 5o = 11 (equation 2)

5: We can now take the second equation away from the first :

3w - 1w = 2w, 5o - 5o = 0, 24.5 - 11 = 13.5

Now we know 2w = 13.5

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2 years ago
Solve 5x – 2y = 11 for y.​
Yuki888 [10]
Answer
42

step by step
5 times 11 - 2 times 11
3 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs.
Ne4ueva [31]

Answer:

Part 1) -1.25 -------> 2.75/(-2.2)

Part 2) -4\frac{1}{3} --------> (-2\frac{3}{5}) / (\frac{3}{5})

Part 3) \frac{2}{3} ------> (-\frac{10}{17}) / (-\frac{15}{17})

Part 4) 3 ------> (2\frac{1}{4}) / (\frac{3}{4})

Step-by-step explanation:

Part 1) we have

2.75/(-2.2)

To calculate the division problem convert the decimal number to fraction number

2.75=275/100\\ -2.2=-22/10      

so

(275/100)/(-22/10)

Remember that

Since division is the opposite of multiplication, you can turn this division problem into a multiplication problem by multiplying the top fraction by the reciprocal of the bottom fraction

(275/100)/(-22/10)=(275/100)*(-10/22)=-(275*10)/(22*100)=-(275)/(220)

Simplify

Divide by 22 both numerator and denominator

-(275)/(220)=-125/100=-1.25

Part 2) we have

(-2\frac{3}{5}) / (\frac{3}{5})

To calculate the division problem convert the mixed number to an improper fraction  

(-2\frac{3}{5})=-\frac{2*5+3}{5}=-\frac{13}{5}

so

(-\frac{13}{5}) / (\frac{3}{5})

Since division is the opposite of multiplication, you can turn this division problem into a multiplication problem by multiplying the top fraction by the reciprocal of the bottom fraction

(-\frac{13}{5}) / (\frac{3}{5})=(-\frac{13}{5})*(\frac{5}{3})=-\frac{13*5}{5*3}=-\frac{13}{3}

Convert to mixed number

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Part 3) we have

(-\frac{10}{17}) / (-\frac{15}{17})

Since division is the opposite of multiplication, you can turn this division problem into a multiplication problem by multiplying the top fraction by the reciprocal of the bottom fraction

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Simplify

Divide by 5 both numerator and denominator

\frac{10}{15}=\frac{2}{3}

Part 4) we have

(2\frac{1}{4}) / (\frac{3}{4})

To calculate the division problem convert the mixed number to an improper fraction  

(2\frac{1}{4})=\frac{2*4+1}{4}=\frac{9}{4}

so

(\frac{9}{4}) / (\frac{3}{4})

Since division is the opposite of multiplication, you can turn this division problem into a multiplication problem by multiplying the top fraction by the reciprocal of the bottom fraction

(\frac{9}{4}) / (\frac{3}{4})=(\frac{9}{4})*(\frac{4}{3})=\frac{9*4}{4*3}=\frac{9}{3}=3

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