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11Alexandr11 [23.1K]
3 years ago
6

Noah bought 4 tacos and paid $6. At this rate, how many tacos could he buy for $15? Jada's family bought 50 tacos for a party an

d paid $72. Were Jada's tacos the same price as Noah's tacos?
Mathematics
1 answer:
lesya [120]3 years ago
7 0

Answer:

-Noah could buy 10 tacos for $15.

-Jada's tacos were not the same price as Noah's tacos.

Step-by-step explanation:

You can use a rule of three to find the amount of tacos that Noah could buy with $15:

$6  →  4

$15 →  x

x=(15*4)/6=10

At this rate, Noah could buy 10 tacos for $15.

Now, to find out if Jada's tacos were the same price as Noah's tacos, you have to find the price per taco in each case by dividing the amount paid by the number of tacos bought:

Noah: 15/10=1.5

Jada: 72/50=1.44

According to this, Jada's tacos were not the same price as Noah's tacos.

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What is the image of (-2,-8) after a reflection over the y-axis?
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Answer:

(2,8)

Step-by-step explanation:

When you reflect over the y-axis, you change the x to the opposite sign

y reflection → (-x,y)

8 0
3 years ago
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A mechanic buys $14.56 worth of parts from a supplier. If he pays for the parts with a $20 bill, how much change will he receive
balu736 [363]

This is a basic subtraction problem :-).

You will subtract how much money the mechanic gives to the supplier; which in this case will be $20, by the total amount of the parts which is $14.56.

20-14.56 = 5.44

Therefore, he will receive $5.44 in change for the transaction.

7 0
3 years ago
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If isme estimated that there are 50 students in the seventh grade class but there are actually 40 what is isme’s percent error?
Temka [501]

The percent error is 25 %

<em><u>Solution:</u></em>

Given that it is estimated that there are 50 students in the seventh grade class, but there are actually 40

<em><u>To find: percent error</u></em>

Percent error is the difference between a measured and known value, divided by the known value, multiplied by 100%

<em><u>The formula for percent error is given as:</u></em>

\text{ percent error }=\frac{\text { approximate value }-\text {exact value}}{\text { exact value }} \times 100$

Here, exact value = 40 and approximate value or estimated value = 50

Substituting the values in above formula,

\begin{aligned}&\text { percent error }=\frac{50-40}{40} \times 100\\\\&\text { percent error }=\frac{10}{40} \times 100=\frac{100}{4}=25\end{aligned}

Thus the percent error is 25 %

8 0
3 years ago
Find the mode of the following data set.
ivolga24 [154]
The mode is the number that shows up the most.

In the dataset, note that the stem should be in the tens place, and the different number of leaves are in the ones place.

62 shows up one more time than all the other numbers, and so 62 is your answer.


Hope this helps
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I'm sorry my friend but I need as much help as you do I'm just answering this so I can get some help sorry
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