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Sedbober [7]
3 years ago
9

Which expression is equivalent to:

Mathematics
1 answer:
Paul [167]3 years ago
4 0

B.) 10x-5 is equivalent to 6x – 5 + x + 3x

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Can anyone help me please?
Anastaziya [24]

Answer:

576

Step-by-step explanation:

3 x 8= 24

24^2= 576ft

5 0
3 years ago
Read 2 more answers
A surveyor wants to know the length of a tunnel built through a mountain. According to his equipment, he is
MrMuchimi

Answer:

Length of the tunnel is 51.7 meters

Step-by-step explanation:

We are given that,

The surveyor is located 54 meters from one entrance at an angle of 56°.

The surveyor is located 31 meters from one entrance at an angle of 13°.

Let the length of the tunnel = x meters

So, using the law of cosines, we get,

x^2=54^2+31^2-2\times 54\times 31\times \cos 69

i.e. x^2=2916+961-3348\times 0.3584

i.e. x^2=3877-1199.9

i.e. x^2=2677.1

i.e. x = 51.7 meters

Hence, the length of the tunnel is 51.7 meters

5 0
3 years ago
Factor the expression below x^2-64
Georgia [21]

Answer:

(x + 8) (x-8)

Step-by-step explanation:

x^2-64

Solve

a^2 - b^2 = (a+b) (a-b)

Where a = x , b = 8

(x + 8) (x-8)

6 0
3 years ago
Please helppp answer quick
hoa [83]
Answer is C:1/3

21 total
7/21=1/3
4 0
3 years ago
3x-4y=2 what is the coordinate of the x intercept in this equation
Lunna [17]
Plug in zero for x to find the x intercept. So 3(0)-4y=2.
=-4y=2. Y=-1/2. X int. = (0,-1/2)
7 0
3 years ago
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