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sasho [114]
3 years ago
14

Michael has $1,089.17 in his checking account. He is going to spend $525.20 on a new television and spend the rest on speakers t

hat cost $49.00 each. Which of the following inequalities would determine the maximum number of speakers (y) Michael can buy without spending more money than is in his account?
A.$525.20 + $49.00(y) < $1,089.17
B. $1,089.17 + $525.20 > $49.00 + y
C. $525.20 < $49.00(y) + $1,089.17
D. $525.20 + $49.00 + y < $1,089.17
Mathematics
2 answers:
jok3333 [9.3K]3 years ago
6 0

Answer:

The answer is A.

Michael wants to spend less money than his account hold, so the inequality must include " > 1,089.17.  The inequality should also include 525.20 as the cost of the TV and 49y as the number and cost of the speakers.

jeka943 years ago
4 0

Answer:

525.20 + 49 y ≤1089.17

Step-by-step explanation:

The cost of the tv plus the cost of the speakers times the number of speakers must be less than or equal to the amount in the account

525.20 + 49 y ≤1089.17

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Olivia ordered cupcakes and a layer cake. Together she paid $52. She paid $12 more on the layer cake than on the cupcakes. What
Oksi-84 [34.3K]

Hey there!!

The total cost is $52.

She paid $12 more for the layer cake than the cupcake.

Let's take the price of the cupcake as $x. Then, the price of the layer cake would be $12 + x

The sum of these would result in $52.

... x + x + 12 = 52

... 2x + 12 = 52

... 2x = 52 - 12

... 2x = 40

... x = 20

Hence, the price of the cupcake is $20 and the price of the layer cake is $32.

Hope my answer helps!!


5 0
3 years ago
Can someone help me with this math? Please I'm desperate. ​
Ronch [10]

Answer:

It is pi over nine, the one that your cursor is on. Forgive me if I am wrong

Step-by-step explanation:

5 0
3 years ago
You roll a fair 6-sided die what is p (not 3)
Ulleksa [173]
As a fraction, the exact answer is 5/6
In decimal form, the approximate answer is 0.8333

To get this answer, note how there are 5 ways to roll something that isn't a three (1,2,4,5,6) out of 6 ways total (1,2,3,4,5,6)

So you simply divide the two values to get 5/6 = 0.8333
8 0
3 years ago
Read 2 more answers
What is 2 1/3 x 3 4/9
bogdanovich [222]

Answer:

is equal to 8 1/27

Step-by-step explanation:

(2

1

3

)(3

4

9

)

=

7

3

(3

4

9

)

=

7

3

(

31

9

)

=

217

27

=8

1

27

7 0
3 years ago
Read 2 more answers
9. Gold miners in Alaska have found, on average, 12 ounces of gold per 1000 tons of dirt excavated with a standard deviation of
netineya [11]

Answer:

9.18% probability the miners find more than 16 ounces of gold in the next 1000 tons of dirt excavated

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 12, \sigma = 3

What is the probability the miners find more than 16 ounces of gold in the next 1000 tons of dirt excavated?

This is 1 subtracted by the pvalue of Z when X = 16. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{16 - 12}{3}

Z = 1.33

Z = 1.33 has a pvalue of 0.9082

1 - 0.9082 = 0.0918

9.18% probability the miners find more than 16 ounces of gold in the next 1000 tons of dirt excavated

5 0
3 years ago
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