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hammer [34]
3 years ago
8

A fruit vendor has 28 pears and 16 oranges.

Mathematics
2 answers:
Westkost [7]3 years ago
3 0
<span>16:28 is the ratio But you have to get that in the simplest form so it would be 4:7</span>
Mice21 [21]3 years ago
3 0
\frac{16}{28}   \\ \\  \frac{8}{14}  \\  \\  \frac{4}{7}  \\ &#10;

4 oranges for every 7 pears
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Jane is saving to buy a cell phone. She is given a $100 gift to start and saves me
Dmitriy789 [7]

Answer:

See explanation

Step-by-step explanation:

Jane is given a $100 gift to start and saves $35 a month from her allowance.

  • After 1 month, Jane has saved \$100+\$35=\$135;
  • After 2 months, Jane has saved \$100+2\cdot \$35=\$170;
  • After three months, Jane has saved \$100+3\cdot \$35=\$205;
  • and so on

In general, after x months Jane has saved

\$100+x\cdot \$35=\$(100+35x).

This means that it makes sense to represent the relationship between the amount saved and the number of months with one constant rate (in this case the constant rate is 35). It makes sense because the amount of money increases by $35 each month. Since the amount of increase is constant, we get constant rate. Also the initial amount is known ($100), so there is a possibility to write the equation of linear function representing this situation.

7 0
3 years ago
Rafael wants to earn at least $45 trimming trees. He charges $8 per hour and pays $3 in equipment fees. What are the possible nu
pshichka [43]

Answer:

6\leqr

Step-by-step explanation:

45\leq8r-3

48\leq8r

6\leqr

8 0
3 years ago
Increasing the sample size while keeping the same confidence level has what effect on the margin of error? A. Increases the marg
DiKsa [7]

Answer:

C. Decreases the margin of error and hence increases the precision

Step-by-step explanation:

If we select a sample by Simple Random Sampling in a population of “infinite” size (a population so large that we do not know its size exactly), then the margin of error is given by

\bf E=\frac{ZS}{\sqrt{n}}

where  

<em>Z = The Z-score corresponding to the confidence level </em>

<em>S = The estimated standard deviation of the population </em>

<em>n = the size of the sample. </em>

As we can see, since n is in the denominator of the fraction and the numerator is kept constant, the larger the sample size the smaller the margin of error, so the correct choice is:

C. Decreases the margin of error and hence increases the precision

4 0
3 years ago
Ammar hikes 2 3/4 miles of nature trail in 1 hour15 minutes. How many miles of trail does am mar hike per hour
AleksandrR [38]
Change 1 hour 15 minutes = 1.25 hour because 15 ÷ 60 = 0.25 so we add 0.25 hour and change 2 3/4 to 2.75
Equation: \frac{2.75}{1.25}=  \frac{?}{1} 
Multiply 2.75 × 1 = 2.75 ÷ 1.25 = 2.2 miles
I'm pretty sure this is correct
4 0
3 years ago
How in the world do I answer this problem??​
galben [10]

Answer:

22

Step-by-step explanation:

ST is y and SU is 2y-4.

Note that SU = ST + TU = y + 18

So we have 2y - 4 = y + 18

2y - 4 = y + 18

2y      = y + 22

y        = 22

So ST is 22.

:)

4 0
3 years ago
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