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dybincka [34]
3 years ago
15

Evaluate the expression if m = -4, n = 1, p = 2, 9 = -6, r = 5, and t = -2. |16+4(3q + p)|

Mathematics
2 answers:
swat323 years ago
7 0

Answer:

720

Step-by-step explanation:

|16+4(3(-6)+(2)|

|20(-18*2)|

|20*-36|

|-720|

720

Sonbull [250]3 years ago
5 0

Step-by-step explanation:

|16 + 4(3q + p)|   \\ p = 2 \\ q =  - 6 \\ then \\ =  |16 + 4(3 \times  - 6 + 2)|  \\ =   |16 + 4( - 18 + 2)|  \\  =  |16 + 4( - 16)|  \\  |16 +  - 64|  \\  =  | - 48|  \\ take \: out \: side \: of \: mode \: then \: it \: become \:  = 48 \\  \\  thank \: you

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In a different dimension, cows have $x+3$ legs, with 3 toes on each leg. Chickens have $2x-4$ legs, with 7 toes on each leg. If
Juli2301 [7.4K]

Answer:

20x-10

Step-by-step explanation:

Cows have x+3 legs and 3 toes on each leg, if we want to find the number of toes of ONE cow we have to multiply the legs by the toes giving the following:

3(x+3) \quad (1)

But we have two cows so (1) we have to multiply it by 2 giving a total of:

2(3(x+3))\\6(x+3)\\6x+18 \quad (2)

By the other hand chickens have 2x-4 legs and 7 toes on each leg, if we want to find the number of toes we have to multiply the legs by the toes giving the following:

7(2x-4)\\14x-28 \quad (3)

To find the total amount of toes we have to add (2) and (3)

(6x+18)+(14x-28)\\20x-10

6 0
2 years ago
Hi can someone help me with this its due tommorow!!!
bulgar [2K]

Answer:

1/12

Step-by-step explanation:

Is the answer I'm bro

4 0
3 years ago
Read 2 more answers
Please help :) also please don’t take advantage of the points.
Gnoma [55]

Answer:

C. 50

Step-by-step explanation:

180 - (70 + 60)

180 - 130

50, so C

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6 0
2 years ago
Can someone help me with these algebraic expressions? And can you please EXPLAIN OR SHOW YOUR WORK!
lyudmila [28]

Answer:

1.  (3x - 2)(x + 5).

2. 2(x + 4)(x - 2).

3. (2x - 9)(2x + 9).

Step-by-step explanation:

1. f(x) = 3x^2 +13x -10

Try to factor by the ac method:

3 * -10 = -30

We need 2 numbers whose product is -30 and whose sum is + 13.

They are -2 and +15, so we write:

3x^2 + 15x - 2x - 10       Factor by grouping:

= 3x(x + 5) - 2(x + 5)

= (3x - 2)(x + 5).

2.  f(x) = 2x^2+4x-16

= 2(x^2 + 2x - 8)

Now we need 2 numbers whose product is -8 and whose sum is + 2.

They are +4 and -2. So:

= 2(x + 4)(x - 2).

3. 4x^2 - 81    This is the difference of 2 squares so the factors are:

(2x - 9)(2x + 9).

4 0
3 years ago
Are 12x^2y^3z and -45zy^3x2 like terms? explain why or why not.
Alex787 [66]

Here in the second term I am considering 2 as power of x .

So rewriting both the terms here:

First term: 12x²y³z

Second term: -45zy³x²

Let us now find out whether they are like terms or not.

"Like terms" are terms whose variables (and their exponents such as the 2 in x²) are the same.

In the given two terms let us find exponents of each variable and compare them for both terms.

z : first and second term both have exponent 1

x: first and second term both have exponent 2

y: first and second term both have exponent 3

Since we have all the exponents equal for both first and second terms variables, so we can say that the two terms are like terms.

4 0
3 years ago
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