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Marysya12 [62]
3 years ago
6

Quesuon 10 of 10

Mathematics
1 answer:
Bad White [126]3 years ago
7 0

Answer:

(p, q) is (2, 5)

Step-by-step explanation:

Given the expression

x^2  + 3x - 10

Factorize;

x^2 + 5x - 2x - 10

x(x+5) - 2(x+5)

(x-2)(x+5)

Comparing with (x + p)(x + 9).

x+2 = x+ p

x-x+2 = p

2 = p

p = 2

Similarly;

x+5 = x+q

x-x+5 = q

5 = q

q=  5

Hence (p, q) is (2, 5)

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Please help me answer this
Ad libitum [116K]

Answer:

option c

Step-by-step explanation:

<em>Step 1: Multiply each number in matrix A by -4</em>

( -4x-4    -4x-4    1x-4  )          

( 1x-4      4x-4      7x-4)    

( 2x-4     3x-4      3x-4)

( 16       16     -4 )

( -4      -16    -28)        

( -8     -12      -12)

<em>Step 2: Multiply each number in matrix B by 8</em>

( 2x8    9x8    -9x8  )

( 8x8    8x8     -2x8 )    

( 4x8    10x8      1x8 )

( 16    72    -72  )

( 64    64    -16  )    

(32     80      8  )

<em>Step 3: Form the matrix of -4A + 8B by adding the correspondent numbers in the matrix.</em>

( 16+16   16+72    -4-72  )

( -4+64  -16+64   -28-16 )      

( -8+32   -12+80    -12+8)

( 32    88    -76 )

( 60    48     -44)        

( 24    68      -4 )

Therefore option c is correct.

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7 0
4 years ago
Tonia and trinny are twins. Their friends give them identical cakes for their birthday. Tonia eats 1/8 of her cake and trinny ea
Nikitich [7]

Answer:

\frac{7}{12} of the cake

Step-by-step explanation:

add \frac{1}{8} and \frac{1}{6} to see the total amount of cake eaten.

a. find the common denominator: 8 x 3 = 24 and 6 x 4 = 24

b. multiply accordingly to get the correct numerator: \frac{3}{24} + \frac{4}{24}

c. add: \frac{3}{24} + \frac{4}{24} = \frac{7}{24}

subtract found value from total to find left over cake.

a. 24 - 7 = 14

simplify.

a. \frac{14}{24} = \frac{7}{12}

You are left with \frac{7}{12} of the cake.

8 0
4 years ago
Find the circumference of the circle.
Studentka2010 [4]

Answer:

11\pi

Step-by-step explanation:

To find the circumference of a circle, the formula is:

d * \pi = c

We already know the diameter, so we just plug that in:

11 * \pi = c

11\pi = c

Let me know if you have any questions.

5 0
3 years ago
1 3/4 TIMES 1/2 = ??? <br> PLS HELP FR NOW!!
Orlov [11]
Just do 7/4 and cross multiply with 1/2
3 0
2 years ago
Read 2 more answers
Rewrite the absolute value function y=|x|, as two linear functions, one that has the domain x&lt;0, and one that has the domain
bekas [8.4K]

Answer:

y = x for x ≥ 0 and y = - x for x < 0

Step-by-step explanation:

The absolute value function is written as y = |x| and it is defined as following

|x| = x when, x ≥ 0 and |x| = - x when, x < 0.

Therefore, the equations for the domain of x ≥ 0 is y = x

and the equation for the domain of x < 0 is  y = - x (Answer)

5 0
3 years ago
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