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omeli [17]
3 years ago
12

Please help I domt understand ​

Mathematics
1 answer:
kvv77 [185]3 years ago
8 0
Standard form is Ax + By = C
So here 3x - 3y = 8
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NEED THE ANSWER ASAP PLEASE
frutty [35]

Answer:

x = 9

Step-by-step explanation:

Since the angle is bisected by rhe segment then the ratio of the sides to the corresponding parts of the base are equal, that is

\frac{15}{x} = \frac{20}{12} ( cross- multiply )

20x = 180 ( divide both sides by 20 )

x = 9

5 0
4 years ago
If the area of the larger circle is 25 times the area of the smaller circle then the radius of the larger circle is how many tim
Anna007 [38]
25 times shorter than the bigger circle?
3 0
3 years ago
Please help me with this question!! I also need the steps
e-lub [12.9K]

Hi there!

\large\boxed{x = \frac{\pi}{3} \text{ and } \pi}

We are given:

cos(7x)cos(4x) = -1 - sin(7x)sin(4x)

Begin by moving all terms with variables to one side:

cos(7x)cos(4x) + sin(7x)sin(4x) = -1

The corresponding trig identity is cos(A - B). Thus:

cos(7x - 4x) = cos(7x)cos(4x) + sin(7x)sin(4x) = -1

cos(3x) = -1

cos = -1 at  π, so:

3x = π

x = π/3

We can also find another solution. Let 3π = -1:

3x = 3π

x = π

Thus, solutions on [0, 2π) are π/3 and π.

8 0
3 years ago
One number is 7 less than a second number. Twice the second number is 7 less than 5 times the first. Find the smaller of two num
aliya0001 [1]
N = x-7
2x = 5n-7

2x = 5(x-7)-7
2x=5x-35-7
-3x=-42
x=14
n=7

7 is the answer
8 0
4 years ago
A large patio brick weighs 4 38 pounds. A small patio brick weighs 2 13 pounds.How much more does the large brick weighs
puteri [66]

Answer:

2.25

Step-by-step explanation:

You have to subtract 2.13 from 4.38

Example: 4.38-2.13

6 0
3 years ago
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