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Rainbow [258]
3 years ago
11

Which algebraic expression represents “Marcus practiced the trumpet twice as long this week”?2 + p2pp minus 2StartFraction p Ove

r 2 EndFraction
Mathematics
2 answers:
Tanya [424]3 years ago
6 0

Answer:

B) 2p

Step-by-step explanation:

muminat3 years ago
4 0

Answer:

B-2p

Step-by-step explanation:

Just took the quiz and got 100% good luck! And hope this helps!

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The length of a rectangle is 8 inches and the width is x inches. What is the perimeter, in inches?
GaryK [48]
AAAAAAA 2x8+2x=16+2x
8 0
2 years ago
Find the value of the length <br> x<br> rounded to 1 DP.
bagirrra123 [75]

Length of x is 98.2 m

<u>Step-by-step explanation:</u>

Step 1:

Use the trigonometric ratio tan 27° to find the common side of both the right angled triangles.

tan 27° = opposite side/adjacent side = opposite side/9

∴ Opposite side = 9 tan 27° = 9 × - 3.27 = -29.46 m

Step 2:

Use this side and trigonometric ratio cosine to find the value of x.

cos 49° = adjacent side/x = -29.46/x

∴ x = -29.46/cos 49° = -29.46/0.30

     = 98.2 m (negative value neglected)

5 0
3 years ago
Read 2 more answers
3 Sean has 8-inch pieces of toy train track and Ruth has 18-inch pieces of train track. How
Morgarella [4.7K]

Answer:

72

Step-by-step explanation:

The smallest number that is divisible by two given numbers is called the Least Common Multiple (LCM) of those numbers.

What's the smallest number that is a multiple of 8 and also a multiple of 18?

One way to find out is to start making lists of multiples:

Multiples of 8:  8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, and so on,

Multiples of 18:  18, 36, 54, 72, 90, 108, and so on.

This method can be a bit tedious, but in this case, it's clear that 72 is the LCM of 8 and 18.

Another method is to use the <u>prime factorization</u> of the two numbers.

Write 8 and 18 as the product of prime numbers; each number has a unique prime factorization.

8 = 2 x 2 x 2 = 2^3

18 = 2 x 3 x 3 = 2^1 x 3^2

To form the LCM, build a product of primes using the <u>highest exponent</u> in either of the two numbers.

LCM = 2^3 x 3^2 = 8 x 9 = 72.

7 0
3 years ago
A package of twelve eggs cost $5 at this price, how much does each individual egg cost?
dimulka [17.4K]

Answer:

About 0.42

Step-by-step explanation:

To find the answer You first have to divided because you have to find how much does one egg cost.

$5 divided by 12 = 0.41666666666 Round to 0.42

Therefore one individual egg cost  about 0.42

3 0
2 years ago
X=1/16y^2 the directrix of the parabola is
yan [13]
To solve this problem you must apply the proccedure shown below:

 1. You have the following equation of a parabola, given in the problem above:

 x<span>=1/16y^2

 2. Then, based on the graph attached, you have:

 p=y^2/4x
 p=8^2/(4)(4)
 p=64/16
 p=4

 3. The directrix is:

 directrix=h-p
 directrix=0-4
 directrix=-4

 The answer is:-4</span>

3 0
3 years ago
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