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lions [1.4K]
3 years ago
13

Vicki and Tamra are working on their math homework together. Vicki has worked p problems, and Tamra has worked 4 times as many p

roblems as Vicki. The expression shows how many problems they have worked altogether. p + 4p Which of the following is another expression that could be used to get the same result, and what does it represent? A. 5p2. This represents that Vicky and Tamra have worked on 5p2 problems altogether. B. p + 4. This represents that Vicky and Tamra have worked on p + 4 problems altogether. C. 5p. This represents that Vicky and Tamra have worked on 5p problems altogether. D. p + 5. This represents that Vicky and Tamra have worked on p + 5 problems altogether.
Mathematics
2 answers:
Vinil7 [7]3 years ago
7 0

Answer:

c.5p

Step-by-step explanation:

we know that p + 4p can be simplified as 5 p.

Therefore when compared if theses 2 are equal or not , p+4p=5p

we can simply add p+4p(as p is 1p) which gives 5 p

Marrrta [24]3 years ago
5 0

Answer: 6

Step-by-step explanation:

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Please help!! I'm really confused
Readme [11.4K]

Answer:

Point a is correct.

Step-by-step explanation:

hope I helped.

8 0
3 years ago
An account earns annual simple interest. find the balance of the account.
I am Lyosha [343]

y=2000(1+.09^2)^1/2

y=2000(1.09^2)1/2

y=2000(1.1881)^1/2

y=2000(1.09)

y=$2180

3 0
3 years ago
Martha earned $180 during the summer doing chores. She bought 3 books worth $14 each using her chore money. How much money was l
Viktor [21]

Answer:

$138

Step-by-step explanation:

We can first turn the words into a mathematical equation by substituting words with the information we have:

Total earning - ( Price of three books)

$180 - (Price of one book x 3)

$180 - ($14 x 3)

Finally, after we have created the mathematical equation, we solve it!

$180 - ($14 x 3)

$180 - $42

$138

6 0
3 years ago
The weights of professional wrestlers are approximately normally distributed with a mean of 220 pounds and a standard deviation
nikdorinn [45]

Answer:

1.6%

Step-by-step explanation:

The cumulative distribution function (CDF) of a random variable X is denoted by F(x), and is defined as

F(x) = P(X ≤ x). where x is the largest possible value of X that is less than or equal to x

z = (x-μ)/σ,

where:

x is the raw score = 205

μ is the population mean, = 220 pounds

σ is the population standard deviation = 7 pounds

205 -220/7

z = -15/7

z = -2.1428571429

Using the normal cdf function on your graphing calculator,the cumulative distribution is

normalcdf( -2.1428571429, 100)

= 0.01606229

In percent form = 0.01606229 × 100

= 1.6%

5 0
2 years ago
Does the point (-4, 2) lie inside or outside or on the circle x^2 + y^2 = 25?​
stiv31 [10]

Given equation of the Circle is ,

\sf\implies x^2 + y^2 = 25

And we need to tell that whether the point (-4,2) lies inside or outside the circle. On converting the equation into Standard form and determinimg the centre of the circle as ,

\sf\implies (x-0)^2 +( y-0)^2 = 5 ^2

Here we can say that ,

• <u>Radius</u> = 5 units

• <u>Centre </u> = (0,0)

<u>Finding</u><u> </u><u>distance</u><u> between</u><u> </u><u>the </u><u>two </u><u>points</u><u> </u><u>:</u><u>-</u><u> </u>

\sf\implies Distance = \sqrt{ (0+4)^2+(2-0)^2} \\\\\sf\implies Distance = \sqrt{ 16 + 4 } \\\\\sf\implies Distance =\sqrt{20}\\\\\sf\implies\red{ Distance = 4.47 }

  • Here we can see that the distance of point from centre is less than the radius.

<u>Hence </u><u>the</u><u> </u><u>point</u><u> </u><u>lies </u><u>within</u><u> </u><u>the </u><u>circle</u><u> </u><u>.</u>

5 0
3 years ago
Read 2 more answers
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