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aniked [119]
3 years ago
5

Help with these questions?

Mathematics
2 answers:
sweet [91]3 years ago
7 0
#8 is x = 10
#9 is x = 4
IgorLugansk [536]3 years ago
6 0
8)
10x - 50 = y if y = 50
10x - 50 = 50
10x = 100
x = 10
answer 10 (second choice)

9)
1/8x = y  if y = 1/2
1/8x = 1/2
x = 1/2 x 8
x = 4

answer 4 (last choice)

10) 4^2 + 1 = 16 + 1 = 17

answer is 17 (last choice) 

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A right triangle as shown below
anastassius [24]

Answer:

sin a = 7/25

cos a = 24/25

tan a = 7/24

Step-by-step explanation:

Trig. How wonderful. I get tripped up on these types of problems some times, so I decided to try to help! To start, write out the three ratios.

SOH (sine=opposite/hypotenuse) CAH (cosine=adjacent/hypotenuse) TOA (tangent=opposite/adjacent)

Then, label the triangle with “hypotenuse” “adjacent” and “opposite.” This helps us correctly use and find the raitos. Then, use these ratios to find out the ratios of A!

sin a = 7/25

cos a = 24/25

tan a = 7/24

If needed, just divide the ratios to get their decimal form!

6 0
3 years ago
Why maths is an abstract subject​
Alla [95]
Abstraction in mathematics is the process of extracting the underlying structures, patterns or properties of a mathematical concept, removing any dependence on real world objects with which it might originally have been connected, and generalizing it so that it has wider applications or matching among other abstract
7 0
3 years ago
Find the volume of the prisms. Show work!
Fed [463]

1. Answer =   About 1451.42 m³

  • First, we need to find the volume of the cube:
  • Formula: πr²h
  • Volume = π * 3² * 50 = 1413.72 m³
  • Second, we need to find the volume of the cone:
  • Formula: (πr²h)/3
  • Volume = π * 3² * 4 = 37.69 m³
  • Third, we need to add these two volumes to find the total volume of the figure.
  • 1413.72 m³ + 37.69 m³ = 1451.42 m³.

2. Answer <em>= </em>960 m³

  • Formula: (1/2(b*l)) * 20
  • First, we need to find the area of the base (1/2 * b* l).
  • 1/2 * 8 * 12 = 48.
  • Second, we need to multiply the area of the base by the height to get the volume.
  • B * h = 48 * 20 = 960 m³.
6 0
2 years ago
Dorji thought of a number. He first multiplied the number by 3 and then subtracted 12
jeyben [28]

Answer

The answer is 24

Step-by-step explanation

  • 24 x 3 = 72
  • 72 - 12 = 60
  • 60/6 = 10
  • 10 - 4 = 6
6 0
2 years ago
15 points. Please help meeee
yaroslaw [1]

Answer:

B.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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