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labwork [276]
4 years ago
15

Please help! Correct answer only, please! I need to finish this assignment this week. Determine the value of the following: A. B

. C. D.

Mathematics
1 answer:
11Alexandr11 [23.1K]4 years ago
4 0

Answer:

C

Step-by-step explanation:

Given

\left[\begin{array}{ccc}-2&3\\2&4\\\end{array}\right] + \left[\begin{array}{ccc}3&1\\-1&2\\\end{array}\right]

Add corresponding elements to obtain the sum, that is

= \left[\begin{array}{ccc}-2+3&3+1\\2-1&4+2\\\end{array}\right]

= \left[\begin{array}{ccc}1&4\\1&6\\\end{array}\right] → C

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A sauce recipe calls for 3 4 cup of chicken broth. To make enough sauce for a party, Marcy needs to triple the recipe. 3 4 (3) =
gavmur [86]

Answer:

77

Step-by-step explanation:

Marcy wishes to make sauce for the party that she is throwing at her house. The sauce is to be made by the chicken broth and it tastes delicious.

According to her the sauce recipe call for a 3/4 broth of chicken. Now to have enough sauce for tonight's party, Marcy have to triple the recipe as  3 4 (3) = ( 3 4 ) ( 3 1 ). So she estimated in order to triple the recipe she will need 77 cups of the chicken broth.

5 0
3 years ago
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The cargo of the truck weighs at most 2,000 pounds.
Vadim26 [7]

w \geqslant 2000

which is, W is less than or equal to 2000 lbs.

6 0
3 years ago
The explicit formula for a sequence is<br> an=−2+3/2(n−1)<br> What is the 21st term of the sequence?
Anni [7]

Step-by-step explanation:

From the given question it appears that (n-1) is in the numerator's place, if it is so, then let us solve it.

a_n =  - 2 +  \frac{3}{2}(n - 1)   \\ \\  \therefore \: a_{21} =  - 2 +  \frac{3}{2}  (21 - 1) \\  \\   \therefore \: a_{21} =  - 2 +  \frac{3}{2 }   \times \: 20\\  \\ \therefore \: a_{21} =  - 2 + 3 \times \: 10  \\  \\ \therefore \: a_{21} =  { -2  + 30}   \\  \\ \therefore \: a_{21} =  28   \\  \\  \huge \red{ \boxed{\therefore \: a_{21} =   28}  } \\  \\

8 0
4 years ago
Find the area of the shaded region. Round your answer to the nearest hundredth.
Lesechka [4]

Answer:

13.73 cm 2

Step-by-step explanation:

Area of the whole square 8x8=64

area of 4 quarters of circle = area of  1 circle( with radius 4)

Area circle   pi  x radius squared

pi x 4squared = pi x  16 = 50.265482.......

Area shaded is the area of the square minus the area of the circle

64-50.265482.... = 13.734517.......

6 0
3 years ago
The units for surface areas will always be 1.quadrupled 2.quartered 3.squared 4.halved
Sidana [21]

Answer:

the answer is c, squared

Step-by-step explanation:

8 0
3 years ago
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