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yawa3891 [41]
3 years ago
12

Karla has spent $42 on food she bought milk, cheese, and meat. The milk cost half as much as the cheese and the meat cost four t

imes as much as the cheese
Mathematics
1 answer:
Nadya [2.5K]3 years ago
7 0
Ok so she spent $42 on food.... she bought 3 things; milk, cheese, and meat.... the milk cost 1/2 the cheese coast... the meat coast 4 times the cheese
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A new online music service has a collection of 1,500 songs. It expects to triple the number of songs each year for the next few
Rzqust [24]

Answer: y = (3^(x-1))*1500

Step-by-step explanation:

We want the relationship

y = f(x)

where y is the number of songs, and x is the number of years.

We know that in the first year, x = 1, the site has 1,500 songs.

The next year, x = 2, the number of songs is tripled, then we will have:

1,500*3 = 4500 songs.

The next year, x = 3, we will have: 3*(3*1500) = (3^2)*1500.

when x = 4, the number is tripled again:

3*(3^2)*1500 = (3^3)*1500

We already can see the pattern, for the year x, the site will have:

y = (3^(x-1))*1500 songs.

This is the equation we are looking for.

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While driving home from work Donald's windshield got cracked by a small rock, causing $500 worth of damage. Given the policy sum
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4. Determine the circumference of a circle with a radius that is 14.2 yds. Use 3.14 for π. Round to the nearest tenth.
Vladimir79 [104]

Answer:

The circumference would be around 90 yards.

Step-by-step explanation:

C = 2πr

r = 14.2

14.2 × 3.14 = 44.588

44.588 × 2 = 89.176

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The table shows number of miles Katie walked for two weeks. Compare the distances using the less than symbol.
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What are the solutions of the following system? y=-2x^2 y=x-2
vovikov84 [41]

Answer:

x = 0.781 , y = -1.219

and

x = -1.281 , y = -3.281.

Step-by-step explanation:

Since both of the x terms are equal to y we can equate the x terms:-

-2x^2 = x - 2

2x^2 + x - 2 = 0

x = [-1 +/- √(1^2 - 4*2*-2) ] / 4

= ( - 1 +/- √(17)) / 4

= 0.781, -1.281.

When x = 0.781  y = 0.781 - 2 = -1.219.

when x = -1.281 , y = -1.281 - 2= -3.281.

7 0
3 years ago
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