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Aneli [31]
3 years ago
5

What's the expression for subtract 20 divided into fourths from 55 divided into fifths

Mathematics
1 answer:
alexira [117]3 years ago
5 0
The expression is 55/5 - 20/4
11-5
the answer is 6
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Long-grain rice costs $0.72/lb. How much would 2.7 lb of long-grain rice cost?
sweet-ann [11.9K]
If $.72 per 1lb, then $x per 2.7lb, by using proportional property:

.72/1 = x/2.7      cross multiply

x = (.72)*(2.7) = $1.94
7 0
3 years ago
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Write and equation of the line that passes through the pair of points (4,6) and (-1,1)
bazaltina [42]

Answer:

y = x + 2

Step-by-step explanation:

Step 1: Find the slope

m=\frac{y2-y1}{x2-x1} = \frac{6-1}{4-(-1)}=\frac{6}{6} =1

Step 2: Substitute the slope and a point in to find y intercept

(6)=(1)(4)+b

6 = 4 + b

b = 2

Step 3: Substitute all the information in

y = x + 2

Therefore the equation for a line that passes through (4,6) and (-1,1) is y = x + 2

7 0
3 years ago
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The quotient of y and 6 is 29 find the value of y
Jlenok [28]

Answer:

Addition → 23

Since 29 is a prime number and does not have least common factors beside itself and 1, there is only addition here, which would be <em>23 + 6</em>.

3 0
2 years ago
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Melody want to sell bags of mixed candy at her lemonade stand . She will mix chocolates pieces that cost $4.89 per bag with pean
Alja [10]

Answer:

Bags of chocolates pieces = 10 bags

Bags of peanut butter pieces = 15 bags

Step-by-step explanation:

The ratio of chocolate pieces to peanut butter pieces

($4.23-$ 3.79) : ($ 4.89 - $4.23)

= $0.44 : $0.66

=  2 : 3

Therefore; the fraction of chocolate pieces bag = 2/5

Thus; Number of bags of chocolate pieces = 2./5 × 25

                                                                        = 10 bags

Fraction of peanut pieces bags = 3/5

Therefore; Number of bags of peanut butter pieces = 3/5 × 25

                                                                                      = 15 bags

7 0
3 years ago
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Sales tax in the state is 7.75.write the number used to figure the sales tax on a purchase
alexira [117]
7.75÷100=0.775

Answer: 0.775
7 0
3 years ago
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