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podryga [215]
3 years ago
15

Can someone help me out with this?? It’s due soon...

Mathematics
1 answer:
Inessa05 [86]3 years ago
5 0
1. 1.25

2. 0.85

3. 0.2

Hope this helped.
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Let ƒ(x) = x + 1 and g(x) = 5x. Evaluate the composition (ƒ ∘ g)(–1). Question 2 options: A) (ƒ ∘ g)(–1) = 6 B) (ƒ ∘ g)(–1) = –4
Papessa [141]

Answer:

answer B

Step-by-step explanation:

hello,

f(x)=x+1\\g(x)=5x \ \ so\\(fog)(-1)=f(g(-1))=f(-5)=-5+1=-4

so the winner is the answer B

hope this helps

5 0
3 years ago
one possible combination is red and hearts. write down all the other possible combinationas. write your answer like this (R,H) y
NeX [460]

Answer:

hmmmm.... sorry but i really dont know this  yet

Step-by-step explanation:

4 0
2 years ago
The length of one side of a triangle is 2 feet less than three times the length of its second side. The length of the third side
seropon [69]

Answer:

  • 7 feet, 3 feet, 7.5 feet

Step-by-step explanation:

Let the sides be a, b and c.

<h3>Given</h3>

The length of one side of a triangle is 2 feet less than three times the length of its second side

  • a = 3b - 2

The length of the third side is 3/4 of the sum of the lengths of the first two sides:

  • c = (3/4)(a + b)

The perimeter of the triangle is 17.5 feet:

  • a + b + c = 17.5

<h3>Solution</h3>

Substitute a with b in the second equation:

  • c = (3/4)(3b - 2 + b) = (3/4)(4b - 2) = (3/4)(4b) - (3/4)(2) = 3b - 1.5

Now substitute a and c with b in the third equation and solve for b:

  • a + b + c = 17.5
  • 3b - 2 + b + 3b - 1.5 = 17.5
  • 7b - 3.5 = 17.5
  • 7b = 17.5 + 3.5
  • 7b = 21
  • b = 3

Find the value of a:

  • a = 3b - 2 = 3*3 - 2 = 9 - 2 = 7

Find the value of c:

  • c = 3b - 1.5 = 3*3 - 1.5 = 9 - 1.5 = 7.5

The sides of the triangle are:

  • a = 7 feet, b = 3 feet, c = 7.5 feet

8 0
1 year ago
(HELP) The point (- 8, - 2) is on the parent graph below. Where will it be on the transformed graph?
olga2289 [7]

Answer:

   x=\frac{y2 }{9}

Step-by-step explanation:

2nd step: 3\sqrt{x}=y

third step: \frac{3\sqrt{x} }{3} = \frac{y}{3}

fourth step: \sqrt{x} =\frac{y}{3}

answer:    x=\frac{y2 }{9}

4 0
3 years ago
An alloy of tin is 15% tin and weighs 20 pounds. A second alloy is 10% tin How many pounds of the second alloy
NemiM [27]

Answer:

30 pounds

Step-by-step explanation:

Amount of tin in first alloy + amount of tin in second alloy = amount of tin in mixture

0.15 (20) + 0.10 x = 0.12 (20 + x)

3 + 0.10 x = 2.4 + 0.12 x

0.6 = 0.02 x

x = 30

8 0
3 years ago
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