MATHEMATICS HIGH SCHOOL

A system of three linear equations in three variables is consistent and independent. How many solutions to the system exist?A: none
B: one
C: three
D: infinitely many

B is correct

Answers

Answer 1
Answer: the answer is “One”

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. A triangular prism is attached to a rectangular prism as shown below.If w = 8 inches, x = 5 inches, y = 20 inches, and z = 11.3 inches, what is the surface area of the figure?
a 860 square inches
b 760 square inches
c 960 square inches
d 1,060 square inches

Answers

i got u 
5*5*2 for both sides of squares =50
8*8/2*2 for both sides of right triangles =64
8*20*2 for roof portion= 320
20*5*3 for walls and floor of house shape =300
z-x*y for space under roof and above walls 
6.3*20=126
50+64+320+300+126=860 your answer is A 
plz give brainliest -J (:

Find area of the triangle 15ft 10ft 10ft

Answers

Answer:

75

Step-by-step explanation:

i'm going to assume that the base is 10, the formula for a triangle is base x height divided by 1/2 (or 2)

15height x 10base = 150 now divided by 2, 150/2 = 75

Which inequality matches the graph shown?

Answers

Answer:

I am pretty sure it is x>8 which is B.

Step-by-step explanation:
I’m one hundred percent positive it’s B because if it’s open the aren’t less then or equivalent to or greater than or equivalent to

Who is good with algebra 1 /2 ?. i need help with it for my homework.

Answers

i do what do you need help with

7. A cargo train covers 375 km in 15 hours. Find: b) time taken to travel 770 km.​

Answers

Answer:

30 hours 48 minutes

Step-by-step explanation:

Using the relationship

average speed = (distance)/(time) = (375)/(15) = 25 Km / hour

Then

time = (distance)/(speed) = (770)/(25) = 30.8 hours = 30 hours 48 minutes

Answer:

30.8 or 30 hours and 48 mins

Step-by-step explanation:

375 km > 15 Hours

Divide 375 and 15, equals to 25.

So, to proof that 375 is equals to 15 hours, divide 375 and 25 then you will get the answer 15. :)

Now, divide 770 and 25 to get the time taken to travel 770km.

And the answer is 30.8 hrs or... 30hrs and 48mins

Welcome ;)

Maria bought three t-shirts at her favorite store t shirt paradise. she had a 25% of coupon and paid $45 in total.what was the original price for each shirt?

Answers

Let, the original price = x
x = 45 * 125 /100
x = 45 * 1.25
x = 56.25

So, your final answer is $56.25

Hope it helped
If the discount is 25%, then $45 is 75% of the original price:
0.75x = 45
where x is the original price of the three shirts
Solve for x:
x = 45/0.75
x = 60
Since there are three shirts, we divide this by 3:
60/3 = 20
The answer is $20.
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