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mihalych1998 [28]
3 years ago
8

A concession stand charges $2.50 for a bag of popcorn. The stand has already sold 30 bags of popcorn. How many more bags x of po

pcorn must be sold to earn at least $110? Write your answer as an inequality.
Your brother is 1/3 your age. Your sister is 4 years older than your brother. Your sister is 9 years old. Write and solve an equation to find your age a.
Mathematics
1 answer:
yawa3891 [41]3 years ago
5 0

Answer:

I hope it helps! If it does please mark me as a brainliest!

Step-by-step explanation:

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Cuanto vale d+2c-(3a-2b) si a=2,b=-3,c=1,d=-2
kherson [118]
<h3>Solution:</h3>

given \:  \: a=2,b=-3,c=1,d=-2 \\ then \:  \: d + 2c - (3a - 2b) \\  = ( - 2) + 2(1) - (3 \times 2 - 2 \times  -3) \\  =  - 2 + 2 - (6 + 6) \\  = 0 - 12 \\  =  - 12

<h3>Answer:</h3>

-12

<h3>Hope it helps..</h3>

ray4918 here to help..

Gracias!!

3 0
2 years ago
The price of a miniature toy car in 1968 was 0.295% of its current price. Today the car is a collector's item and is priced at $
valentinak56 [21]
$200 x 0.00295
= $0.59

The price of the toy car in 1968 was $0.59
8 0
3 years ago
Read 2 more answers
Will mark brainliest PLEASE HELP!!! 20 points
Fudgin [204]

Answer:

B. reflected across tge x axis

3 0
3 years ago
Read 2 more answers
Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is μd =
swat32

Answer:

Test statistic, t_{s} = -0.603 (to 3 dp)

Step-by-step explanation:

Deviation, d = x -y

Sample mean for the deviation

\bar{d} = \frac{\sum x-y}{n}

\bar{d} = \frac{(28-6) + (31-27)+(20-26)+(25-25)+(28-29)+(27-32)+(33-33)+(35-34)}{8} \\\bar{d} = -0.625

Standard deviation: SD = \sqrt{\frac{\sum d^{2} - n \bar{d}^2}{n-1}  }

\sum d^{2}  = (28-26)^2 + (31-27)^2 +(20-26)^2 +(25-25)^2 +(28-29)^2 +(27-32)^2 +(33-33)^2 +(35-34)^2\\\sum d^{2}  = 63

SD = \sqrt{\frac{63 - 8 *  (-0.625)^2}{8-1}  }

SD =2.93

Under the null hypothesis, the formula for the test statistics will be given by:

t_{s} = \frac{ \bar{d}}{s_{d}/\sqrt{n}  } \\t_{s} = \frac{- 0.625}{2.93/\sqrt{8}  }

t_{s} = -0.6033

6 0
3 years ago
which property is shown? 20×5×6=20×6×5 A commutative property B distibutivr C associative property or D none of these are correc
Contact [7]

A: communicative property, it is this because communicative property allows you to switch around the order.

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3 years ago
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