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Liula [17]
3 years ago
5

Please help I suck at fractions

Mathematics
2 answers:
Elza [17]3 years ago
6 0

Answer:

185/9

Step-by-step explanation:

20\frac{5}{9} \\\\20+\frac{5}{9}\\\\\frac{20*9}{9}+\frac{5}{9}\\\\\frac{180}{9}+\frac{5}{9}\\\\\frac{180+5}{9}\\\\\frac{185}{9}

Dmitry [639]3 years ago
6 0

Answer:

185/9

Step-by-step explanation:

20  5/9

Change to an improper fraction

Multiply the denominator by the whole number

20 *9 = 180

Add the numerator

180 + 5 = 185

Put this over the denominator

185/9

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Help pls. Three sodas cost$4.50 at a convenience store. How many would it cost to buy 10 sodas at the same price.
soldier1979 [14.2K]

Answer: $15.00

Step-by-step explanation: If 3 sodas cost you $4.50 then you divide it by 3 to get $1.50 per soda. Then you multiply the number by ten to get $15.

5 0
2 years ago
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19. Write an equation to represent the relationship
balandron [24]

Answer:

  y = x +3

Step-by-step explanation:

When you examine the table, you see that each y-value is 3 more than the corresponding x-value. This is represented in the equation ...

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8 0
2 years ago
what is the equation, in slope- intercept form, of the line that contains the points (-3,4) and (5,7)
gavmur [86]

Answer:

y = \frac{3}{8} x + \frac{41}{8}

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

To calculate the slope use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 3, 4) and (x₂, y₂ ) = (5, 7)

m = \frac{7-4}{5+3} = \frac{3}{8}, hence

y = \frac{3}{8} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

using (5, 7 ), then

7 = \frac{15}{8} + c ⇒ c = 7 - \frac{15}{8} = \frac{41}{8}

y = \frac{3}{8} x + \frac{41}{8} ← equation in slope-intercept form


6 0
3 years ago
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avanturin [10]

We just need to <u>plug in 7 for B! </u>

Let's do it !

2 + (10 - 7)

<em>We always start with the parenthesis first ! It's just a rule in math :) </em>

10 - 7 = ?

10 - 7 = 3

Now we have ...

2 + 3

2 + 3 = 5

Your final answer is 5!

I hope I helped :) Just comment if you have any questions and remember to vote me "brainliest" if you like my answer !!!

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There are 20 boys and 20 girls in a classroom.
Ede4ka [16]

Answer:20

Step-by-step explanation:

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