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saveliy_v [14]
2 years ago
13

Each day, Valerie charges her lunch account for her lunch. If the cost of lunch is $3, then by how much has her lunch account be

en impacted over a period of 15 days?
Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
6 0

Answer:

$45

Step-by-step explanation:

$3 times 15 days = $45

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Romashka-Z-Leto [24]
3/4+-2 1/9=your ****ing answer
4 0
3 years ago
What is the value of x?<br><br> Please help! Thanks!
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Answer:

x=75

Step-by-step explanation:

We can use proportions to solve this problem.  Put the side of the small triangle over the side of the large triangle.

42           50

------ = ----------

42+63        50+x

42           50

------ = ----------

105          50+x

Using cross products

42(50+x) = 50*(105)

2100+42x = 5250

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2100-2100+42x = 5250-2100

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Divide by 42

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8 0
3 years ago
A test driver has to drive a car on a 1-mile track for two rounds in a way, that his average speed is 60 mph. On his first round
Volgvan

to average 60 mph for 2 laps his total speed needs to equal 60 x 2 = 120

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3 0
3 years ago
A pet toy manufacturer is designing a plastic ball for dogs that will float in water. In order for the ball to float it must hav
algol13

Answer:

3.576 cm

Step-by-step explanation:

radius of ball, r=?

Given:

Density, p = 0.600g/mL

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finding volume, v of ball by using formula p=m/v

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Now using formula v= (4/3)πr^3 to find radius, r of the ball

r^3= 3v/4π

   = 3(191.666)/4π

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Step-by-step explanation:

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3 years ago
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