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never [62]
3 years ago
11

Lesson 12 practice problem number 2 imath book unit 1 geomitry

Mathematics
1 answer:
Nostrana [21]3 years ago
6 0

Ur not telling us how to solve or what to solve.

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Mr.Richards wants to buy disposable masks for his family. Blue mask cost 1.50 and white mask cost 2.50. He has 45 dollars to spe
Colt1911 [192]

Answer:

he would have to buy the blue masks at 1.50 each

Step-by-step explanation:

you divide

45 \div 20 = 2.25

witch equals 2.25 so he can only spend $2.25 per mask so that's how i found out he can only buy the blue masks

8 0
3 years ago
Zuri goes to a store where every item is on sale for 30% off the original price. If x represents the original price of one item,
jolli1 [7]

Answer:

.3x - x

Example

My item is $100

.3(100) - $100

$30 - $100 = $70

$70 is the new price

6 0
3 years ago
According to a study, an average of six cell phone thefts is reported in San Francisco per day. Assume that the number of report
lions [1.4K]

Answer:0.29

Step-by-step explanation:

An average of six cell phone thefts is reported in San Francisco per day. This means our mean value, u = 6

For poisson distribution,

P(x=r) = (e^-u×u^r)/r!

probability that four cell phones will be reported stolen tomorrow=

P(x=4)= (e^-6×6^4)/4!

= (0.00248×1296)/4×3×2×1

= 3.21408/24=

0.13392

P(x=5)= (e^-6×6^5)/5!

= (0.00248×7776)/5×4×3×2×1

= 19.28448/120

= 0.1607

probability that four or five cell phones will be reported stolen tomorrow

= P(x=4) + P(x=5)

= 0.13392 + 0.1607

= 0.294624

Approximately 0.29

8 0
3 years ago
100 points, will mark BRAINLIEST. Please help with the attached question, thank you. I'd appreciate if you didn't mark anything
Ksivusya [100]

Answer:

The answer to your question is:  2nd option is correct.

Step-by-step explanation:

Data

slope = m = -4

Point = (-3, 1)

Formula

             (y - y1) = m(x - x1)

            y - 1 = -4(x - (-3))                 Substitution

6 0
3 years ago
Read 2 more answers
Alan is 30 years old, and Vanessa is 22 years old. How many years ago was Alan twice as old as Vanessa?
Alborosie

The number of years past when Alan was twice Vanessa's age is 14 years.

Current ages :

  • Alan = 30 years
  • Vanessa = 22 years

<u>We can set up an equation where, x = number of years when Alan was 2 times Vanessa's age thus</u> :

30 - x = 2(22 - x)

30 - x = 44 - 2x

Collect like terms

-x + 2x = 44 - 30

x = 14

Therefore, 14 years ago, Alan's age was twice Vanessa's age.

Learn more :brainly.com/question/18796573

6 0
3 years ago
Read 2 more answers
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