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kolbaska11 [484]
3 years ago
8

If p=1 and q=4, evaluate the following expression:4q−p/p+q​

Mathematics
2 answers:
Stels [109]3 years ago
8 0

Answer:

19

Step-by-step explanation:

This was done the normal way of multiplying and dividing first:

If p=1 and q=4, evaluate the following expression:

4q − p/p + q​ = ?

4(4) - 1/1 + 4 = 16 - 1 + 4 = 19

If you wanted to do the addition and subtraction first, the equation would have been:

(4q - p)/(p + q) = ?

(4(4) - 1)/(1 + 4) = 15/5 = 3

With the parentheses, the order of operations is done in the parentheses first.

salantis [7]3 years ago
5 0

Answer:

3

Step-by-step explanation:

You can just put in the values of p and q into the expression.

\frac{4q-p}{p+q} = \frac{4(4)-1}{1+4}

       = \frac{16-1}{1+4}

       = \frac{15}{5}

       = 3

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If the common difference is 3 all you need to do is:
an=a1 - d(n-1)
2 - 3d + 3
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6 0
3 years ago
Is √15 a rational number or an irrational number
damaskus [11]

Answer: \sqrt{15} is a rational number.

7 0
3 years ago
1. What is the volume of the following cone? *<br> 2.5 mm<br> 1<br> 12.6 mm<br> 1
mafiozo [28]

Answer: V=πr2h 3

=π·2.52·12.6 3

=82.46681

Step-by-step explanation:

3 0
3 years ago
My basketball team plays four games per week. During the first four weeks, we lost all 16 of our games. During week 5, we won th
riadik2000 [5.3K]

Answer:

You need 30 total weeks to win at least 65% games

Step-by-step explanation:

Team have played = 20 games

Number of winning games = 3

Let x represents the number of additional weeks.

You have won 3 games per week. Therefore you will win 3x additional games.

We know that 65% = 0.65

Therefore,

3+3x/20+4x = 0.65

By cross multiplication:

3+3x= 0.65(20+4x)

3+3x = 13+2.6x

Combine the like terms:

3x-2.6x = 13-3

0.4x=10

4x/10 =10

4x = 10*10

4x=100

Divide both sides by 4

4x/4 = 100/4

x = 25

since you have already played 5 weeks...you need to play 25+5 = 30 weeks.

Therefore you need 30 total weeks to win at least 65% games....

4 0
3 years ago
Eddie walks 450.25 feet in 2.5 minutes. Which value is closest to the number of yards Eddie walks in 1 minute?
Anna71 [15]

Eddie walks 60.03 yards in 1 minute using proportion.

What is proportion?

The term proportionality refers to any relationship that has the same ratio every time. The proportional relationship between the two supplied ratios is defined by an equation. In other terms, the proportion declares that the two fractions or ratios are equal. For instance, the average number of apples per tree determines the proportionality between the quantity of apples in a crop and the number of trees in the orchard.

Here let us take time and distance as proportional values,

=> \frac{distance}{Time}

=> 450.25/2.5 = x/1

=> x = 180.1 feet.

To convert feet to yards divide the length by 3. then

=> 180.1/3=60.03 yards,

Therefore Eddie Walks 60.03 yards in 1 minute.

To learn more about proportion refer the below link

brainly.com/question/19994681

#SPJ1

7 0
1 year ago
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