2 years ago

While shopping , lucinda

Mathematics

1 answer:

Novay_Z [31]2 years ago

8 0

She originally had $320 in her savings. 48 times 100= 4,800. 4,800 divided by 15=320.

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Aspirin is sold in boxes of 24 for $3.69, 50 for $5.49, 100 for $8.29, and 150 for $11.99. Which box has the best unit rate.

NNADVOKAT [17]

Answer:

150 for 11.99

the pills in this box are the cheapest

4 0

2 years ago

Find the formula an for the nth term of the geometric sequence satisfying the following conditions: a1 = -2,

Alexeev081 [22]

Answer:

Step-by-step explanation:

a1 = - 2

an = a1 * r^(n - 1)

a6 = -486

-486 = - 2 * r^(6-1) Divide by 2

243 = r^5

The largest value that r could be is 3.

4^5 = 1024

(243)^(1/5) = 3

So the general formula

an = -2*(3)^(n - 1)

3 0

1 year ago

Is this a proportional or nonproportional linear relationship?

BlackZzzverrR [31]

Answer:

Linear

Step-by-step explanation:

The numbers add by 4 it’s not scrambled

3 0

2 years ago

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After John worked at a job for 10 years, his salary doubled. If he started at $x, his salary after 10 years is _____.

VARVARA [1.3K]

After ten years his salary is x2

6 0

2 years ago

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Solve for x.<br><br> x=<br><br> Look at image

postnew [5]

Answer:

$x = 14$

Step-by-step explanation:

To find x, the following equation is generated given the available information:

$\frac{(x + 7) + x)}{x + 7} = \frac{12 + 8}{12}$

$\frac{2x + 7}{x + 7} = \frac{20}{12}$

$\frac{2x + 7}{x + 7} = \frac{5}{3}$

Cross multiply

$3(2x + 7) = 5(x + 7)$

$6x + 21 = 5x + 35$

Collect like terms

$6x - 5x = - 21 + 35$

$x = - 21 + 35$

$x = 14$

8 0

2 years ago