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4 years ago

7

A sporting good store sold 2.5 as many footballs as basketballs last year. How many footballs sold for every 2 basketballs said

sold?

1 answer:

Furkat [3]4 years ago

5 0

5 footballs, 2.5* the # of basketballs

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What is the value of y when x= 2.5

liubo4ka [24]

Answer:

The value of y is unknown bas there is no equation

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3 years ago

Monica is buying a new dress for her

mina [271]

Answer: Sales tax would be $5.40

Step-by-step explanation: The sales value itself of the dress (that is, without tax) is $65.49.

The amount charged as sales tax in Pearland is given as 8.25% (or 0.0825).

Hence if she is shopping in Pearland, the AMOUNT OF SALES TAX she would pay can be calculated as,

Sales tax = Sales price x 0.0825

Sales tax = 65.49 x 0.0825

Sales tax = 5.402925

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4 years ago

1.toyland is having a sale all items are 20% off How much will you save on an item that usually costs $95?

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T<span>oyland is having a sale all items are 20% off

so all items are sold at 1-20% = 80% of their original prices

for </span><span>an item that usually costs $95,
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the sale price = $95 * 80% = $95 * 0.8

= $76

good luck w Mr. Horton :)

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3 years ago

Read 2 more answers

Alexandra has 78 emails in her box. she deletes 47 emails. How many emails are left in her box? Draw jumps and label the number

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3 years ago

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A professor has recorded exam grades for 10 students in his class, but one of the grades is no longer readable. If the mean sco

Nostrana [21]

Answer:

unreadable score = 35

Step-by-step explanation:

We are trying to find the score of one exam that is no longer readable, let's give that score the name "x". we can also give the addition of the rest of 9 readable s scores the letter "R".

There are two things we know, and for which we are going to create equations containing the unknowns "x", and "R":

1) The mean score of ALL exams (including the unreadable one) is 80

so the equation to represent this statement is:

mean of ALL exams = 80

By writing the mean of ALL scores (as the total of all scores added including "x") we can re-write the equation as:

$\frac{R+x}{10} =80$

since the mean is the addition of all values divided the total number of exams.

in a similar way we can write what the mean of just the readable exams is:

$\frac{R}{9} = 85\\$ (notice that this time we don't include the grade x in the addition, and we divide by 9 instead of 10 because only 9 exams are being considered for this mean.

Based on the equation above, we can find what "R" is by multiplying both sides by 9:

$\frac{R}{9} = 85\\R=85*9= 765$

Therefore we can now use this value of R in the very first equation we created, and solve for "x":

$\frac{R+x}{10} =80\\\frac{765+x}{10} =80\\765+x=80*10=800\\765+x=800\\x=800-765=35$

4 0

3 years ago