Mathematics College

Which value of x makes the two matrices inverses of each other?
5
2
1
-2
2
1
5
-2
-1
2

Answers

Answer 1

Answer:

A: -2

Step-by-step explanation:

TOOK THE TEST

Related Questions

Plz help. One winter day, the temperature in Houston is 12 degrees Celsius. Find the temperatures in these other cities.
A) In Minneapolis, it is 30 degrees colder than it is in Houston.

B) In Fairbanks, it is 9 degrees colder than it is in Minneapolis

C) Write an addition equation that represents the relationship between the temperature in Houston and the temperature in Fairbanks. (Hint: Equation means it must be solved; so it has an equal symbol)

Answers

A= -18
B= -27
12-39=-27
These should be the answers

Select the correct answer. What is the solution to the equation? ​

Answers

Answer:

I think there is no solution to this problem

Step-by-step explanation:

Answer:

c because 3x3 is 9 and 3 plus 9 is 12

Step-by-step explanation:

5 more than the product of a number and 4 is equal to 3 use variable y for unknown number

Answers

Answer:

[tex](y + 4) + 5 = 3 \\ y + 9 = 3 \\ y = - 6 \\ [/tex]

I'm not sure

how to rewrite 6(38) using the distributive property?

Answers

6 x 38 = 6 x ( 19 x 2)
= (6 x 19) + (6 x 2)
= 114 + 12
= 226


PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*..
IM GIVING 40 POINTS !! DONT SKIP :((.

Answers

Answer:

Step-by-step explanation:

(5, -30)  (6, -36)

(-36 + 30)/(6 - 5) = -6/1 = -6

y + 30 = -6(x - 5)

y + 30 = -6x + 30

y = -6x + 0

y = -6x

you are working to save money for a trip. you need to save 1500. if you already have 250 saved, and make represent how many hours, h, you need to work to make the rest of the money show your work​

Answers

Answer:

Step-by-step explanation:

$1500-$250 = $1250

You need to save an additional $1250.

The question did not include a pay rate.

Suppose you earn x dollars an hour.

$1250 × (1 hour)/($x) = (1250/x) hours

You need to work 1250/x hours.

Find the slope. hsjsnsjsbjabajabahabh​

Answers

Answer:

the slope is 2

Step-by-step explanation:

to find slope all you need to do is look at the places where the line and the graph intersect. you should be able to find atleast 2 places. Once you have done that, count up how ever many spaces it is until you are on the same line with the place where the line intersects with the graph remember that number in your head, then could left or right until you are on top of the other place where it intersects, remember that number. In this case I counted 2 spaces up and 1 space to the left which gave me 2/1 which is 2

hope this helps. have a good day!

2(x+5)=3x+1
How do I solve this

Answers

Answer:

x = 9

Step-by-step explanation:

2(x+5)=3x+1

Distributive Property

2x+10=3x+1

Subtract 2x from both sides

10=x+1

Subtract 1 from both sides

9=x

Correct form: x=9

help me PLZ LUV YOU ALL

Answers

Answer:

1) AB = 10cm

2) 70 degrees

3) 12m

4) 10m

5) 32 degrees

6) 9 + 9 = 18m

Hi! I am having a hard time with this question. Can anyone help me out? I only need to answer the questions with the red circles

Answers

Answers: cos A=b/a, sin J=j/l, tan K=k/j

Explanation: The trig ratios are SohCahToa or Sin(o/h), Cos(a/h), and Tan(o/a).

When A is the reference angle, b is the adjacent side and a is always the hypotenuse (Cah).
When J is the reference angle, j is the opposite side and l is always the hypotenuse (Soh).
When K is the reference angle, k is the opposite side and j is the adjacent side (Toa).

What is the slope of the line through (-4,2) and (3, 3)? "/ yo Choose 1 answer: 19 21 42 142 A А 7 5 B 7 5 5 7 5 7 e slope an​

Answers

Answer:

1/7

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(3-2)/(3-(-4))

m=1/(3+4)

m=1/7

Consider a bag with 5 green marbles, 3 blue marbles, and 2 red marbles. If two marbles are drawn without replacement what is the probability that they are both blue?

A) .055556
B) .066667
C) .077778
D) .088889

Answers

.b




I THINK I’m pretty sure

Bags of sugar come in 3 sizes.

Small bag: A 175 g bag costs 55p.
Medium bag: A 525 g bag costs £1.76.
Large bag: A 1.15 kg bag costs £3.51.

Find the cost per gram for each bag of sugar.
Round your answers to 3dp.

Answers

Answer:

The cost per gram for each bag is:

Small bag: 0.00314 £

Medium bag: 0.00335 £    

Large bag: 0.00305 £  

Step-by-step explanation:

Small bag:

If 175 g cost 0.55 £, 1 g will be:

[tex] \frac{1g*0.55 \£}{175\: g} = 0.00314 \£[/tex]

Medium bag:

If 525 g cost  £ 1.76, 1g will be:

[tex] \frac{1g*1.76 \£}{525\: g} = 0.00335 \£[/tex]    

Large bag:  

If 1150 g cost  £ 3.51, 1g will be:

[tex] \frac{1g*3.51 \£}{1150\: g} = 0.00305 \£[/tex]        

   

I hope it helps you!

         

Which of these is the best estimate of 68 x 1 7

Answers

Answer:

1156

Step-by-step explanation:

we make 7 * 8 = 56

we retain 5

after 7 * 6 = 42 + 5 = 47

below 6 we put a 0 then after we do 1 * 8 = 8 and 1 * 6 = 6 and finally we all calculate so 476 + 680 = 1156

2 hours 17 minutes 2 hours 48 minutes 1 hour 53 minutes 2 hours 19 minutes 1 hour 38 minutes what it the team's score​

Answers

Answer:

8 hours and 175 minutes.

Step-by-step explanation:

So first add all the hours together: 2 + 2 + 1 + 2 + 1 = 8 Hours.

Then add all the minutes together: 17 + 48 + 53 + 19 + 38 = 175 Minutes.

Therefore, the team's score is 8 hours and 175 minutes.

I hope this helped!

Answer: 11hours 55minutes

please answer it’s urgent!!

Answers

Area = 64
Perimeter = 16
Area = 64
Perimeter = 32

Area = length x width so 8 x 8 = 64
Perimeter = ALL sides ADDED up together so 8 + 8 + 8 + 8 = 32

Find x. Round to the nearest tenth if necessary.

Answers

Answer:

5

Step-by-step explanation:

3+x

Answer:

Is there any picture? If there isn't, it cannot be solved.

Step-by-step explanation:

Enter the unknown value that makes this statement true.
60 is
% of 80

Answers

Answer:

Step-by-step explanation:

60 = x% of 80

x% = 60/80 = 0.75 = 75%

WILL MARK BRAINLYIST

Answers

What are the options?

HELPPP PLS ILL GIVE BRAINLESS DIE SOON

Answers

Answer:

C nnnnnnnnñnnnnn

Step-by-step explanation:

That is the answer C

the answer is C for this problem

Find the value of x. 7 3
x=

Answers

Step-by-step explanation:

these are your answers anyways you're welcome bye bye

cinco problemas que Puedes resolver por medio de una computadora ​

Answers

Answer:

no se zorry ..............?..?

solve help


3+ x + 4 =
​

Answers

Answer:

7+x

Step-by-step explanation:

Add 3 and 4

3+4= 7

You can't add x since it's a variable so you just leave it as it is.

Hope this helps!

please help i will mark branliest

Answers

Answer:

58.24

Step-by-step explanation:

9.1 x 6.4 = 58.2!!

bh = a

hope I helped

Answer:

58.24 :)

A=bh=9.1·6.4=58.24

Given that a linear function goes through the points (3.2) and (5.6) determine the slope
of the line.

Answers

Way to do

[tex]m = \frac{(y2 - y1)}{(x2 - x1)} = \frac{(6 - 2)}{(5 - 3)} = \frac{4}{2} = 2[/tex]

Answer : 2

how do you write this number 0.1709 in words?​

Answers

Answer:

0.1709 in words-

Point one seven zero nine

HELP!! I will give you brainliest

Answers

180 and 90



I think but try it

Check your solution!

5 • x = 12

Answers

Answer:

x = 2.4

Step-by-step explanation:

isolate x \/

x=12/5

12/5 = 2.4

Answer:

i dun know wut u mean by check ur solution but I'll anyways solve it

x=12/5

x=2.4

I hope it helps

What is the standard form of 17 and 223,000

Answers

Seventeen and Two hundred and twenty three thousand

Solve for x. Enter the solutions from least to greatest.
(2+8)^2 – 2 = 0
lesser x =
greater x =

Answers

Answer:

the answer to this question is 98=0

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