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leonid [27]
3 years ago
12

Simplify this expression: 4p + 9 + (–7p) + 2        A. 3p + 11  B. 11p + 11  C. –3p + 11  D. 3p + 7

Mathematics
2 answers:
lutik1710 [3]3 years ago
8 0
4p - 7p + 9 + 2
= -3p + 11
=C
Volgvan3 years ago
3 0

Answer:

C, -3p+11

Step-by-step explanation:

4p+9-7p+2

4p-7p+9+2

-3p+11

C

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Is 7, 20, 25 a right triangle?
love history [14]

Answer:

The answer to your question is below

Step-by-step explanation:

Process

To answer if they are right triangles or not use the Pythagorean theorem which states that the square of the hypotenuse equals the sum of the square of the legs.

a)    25² = 20² + 7²

      625 = 400 + 49

     625 ≠ 449              It is not a right triangle

b)   26² = 24² + 10²

      676 = 576 + 100

      676 = 676               it is a right triangle

c)   13² = 8² + (√10)²

     169 = 64 + 10

      169 ≠ 74                 it is not a right triangle

d)   52² = 48² + 20²

      2704 = 2304 + 400

      2704 = 2704               it is a right triangle

3 0
3 years ago
for each of the following find, if possible, a whole number that makes the equation true. a. 3+ z=12 b. 36 = 18 + 3 •Z
Basile [38]

Answer:

a. 9

b. 6

Step-by-step explanation:

a. z=12 - 3= 9

b. (36 - 18)/3= Z

6 0
3 years ago
The Opera House sells an average of 1,700 tickets per night when the price of each ticket is $25. An employee of the Opera House
irakobra [83]
So here's the solution to the problem:

Calculate the average sell:

1,700 * $25 = $42,500 (revenue)

And if the Opera House wants to increase their revenue:

The price of a ticket will be:

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The number of tickets in total:

1,700 + 200x

Therefore the equation is:

(1,700 +200x) * ( 25 - x ) = 55,000

We can also solve this equation, but the solutions are not whole numbers.

x 1 = 5.89 and x 2 =10.6

For x = 6 (6 times 1 - dollar decreases):

( 1,700 + 200 * 6 ) * ( 25 - 6 ) = ( 1,700 + 1,200 ) * 18

=2,900 *19 = 55,100 (we will yield the revenue over $55,000)
3 0
3 years ago
Which graph best represents the equation 3x + y = -5?
lara [203]

Answer:

the one that looks closest to this

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
C is equidistant from A and B. What is the value of x?<br> A. 6<br> B. 8<br> C. 12<br> D. 14
VLD [36.1K]
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