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amid [387]
3 years ago
12

The two triangles are similar. What is the value of x?

Mathematics
1 answer:
Ghella [55]3 years ago
5 0

Answer:

x=5

Step-by-step explanation:

We can write ratios to help us solve

4x            12 +3

---------- = ------------

3x+1                 12

Using cross products

4x*12 = (3x+1) * (15)

48x = 45x +15

Subtract 45x from each side

3x =15

Divide by 3

3x/3 =15/3

x=5

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Will give brainliest
klio [65]

Answer:

Area of the parallelogram =base×height

area of parallelogram =3cm×2cm

area of parallelogram = 6cm²

8 0
3 years ago
At the opening of a new movie 45% of the people in the theater were children there were 187 adults in the theater what was the t
Usimov [2.4K]

Answer:

340 people in total

Step-by-step explanation:

If 45% of the people were children, then 100% - 45% = 55% of the people were adults

Equation : 55% of the people were adults

=> .55 * x = 187, x = the total amount of people

=>187/.55x  

=> x = 340

340 people in total

8 0
3 years ago
Solve the inequality. Help appreciated
Ivan

Answer:

See below.

Step-by-step explanation:

6x-2≤9

   +2 +2

6x≤11

/6   /6

x≤11/6

4+3x>15

-4      -4

3x>11

/3   /3

x>11/3

-hope it helps

6 0
2 years ago
Find the absolute maximum value for the function f(x) = x^2 − 4, on the interval [–3, 0) U (0, 2].
Andreyy89

Answer:

5

Step-by-step explanation:

The function y=x^2 -4 is

  • decreasing for all x\in [-3,0);
  • is increasing for all x\in (0,2]

(see attached diagram for details).

The maximum value of the function is at endpoints -3 or 2. find y(-3) and y(2):

y(-3)=(-3)^2-4=9-4=5\\ \\y(2)=4^2-4=0

So, the maximum value is 5.

5 0
3 years ago
Line M is represented by the following equation:
Naily [24]

Step-by-step explanation:

c

if you divide the answer althrough by 2 you should get the above equation

5 0
3 years ago
Read 2 more answers
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