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atroni [7]
3 years ago
11

2r – 1 ≥ ‐3(r + 7) ( pls show work)

Mathematics
1 answer:
jenyasd209 [6]3 years ago
8 0

Answer:

R ≥-4

Step-by-step explanation:

Substitute

2r-1>-3r-21

+3r

5r-1>-21

5r>-20

Divide 5

R>-4

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Paul needs to buy 5_8pound of peanuts. The scale at the store measures parts of a pound in sixteenths. What measure is equivalen
ryzh [129]

Answer:

10 ÷ 16

Step-by-step explanation:

The computation is shown below

Given that

Paul required to buy 5 by 8 pound of peanuts

And, the scale at the store is in sixteenths

So, the measure that should be equivalent is

Here the denominator should be 16 so it should be multiplied by 2

= 5 ÷ 8 × 2 ÷ 2

= 10 ÷ 16

3 0
2 years ago
Use the elimination method to solve the system of equations.<br><br>3x-5y= -16<br><br>2x+5y=31
Sholpan [36]
5x = 15
x = 3

3(3) - 5y = -16
9 - 5y = -16
5y = -16 - 9
5y = - 25
y = - 5

(3, -5)
8 0
3 years ago
NEED HELP
lawyer [7]

Answer:

80, 40, 40

Step-by-step explanation:

The rule is if the number before the tens place is 5 or more round up and if it is 4 or less round down.

I like to look at it without the rule and what makes sense.

82.14:  my choices are 80 or 90.  What number is 82.14 closer to on the number line?  80.

38.5  The choices are 30 and 40.  This number on a number line would be closer to 40

41.3  The choices are 40 and 50.  On a number line this number would be closer to 40.

4 0
1 year ago
Read 2 more answers
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Yuki888 [10]

Answer:

bbb

A

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Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A 16 oz package of brown rice cost 79cents and 32oz package of white rice costs $3.49 which package is a better deal
tamaranim1 [39]

0.79 / 16 oz = 0.049 ( price for 1 oz of brown rice)


3.49 / 32 = 0.109 ( price for 1 oz of white rice)

 the price per oz of brown rice is cheaper then 1 oz of white rice so the brown rice is the better deal


3 0
2 years ago
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