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Marat540 [252]
3 years ago
8

what does "relationship" mean in the question, "what is the relationship between 4's in the number 4,400?

Mathematics
1 answer:
FromTheMoon [43]3 years ago
3 0
Its the connection between those numbers
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4cos^2(x)-7cos(x)+3<br> Please help and explain how you did it :)
dangina [55]

I assume you're asked to solve

4 cos²(<em>x</em>) - 7 cos(<em>x</em>) + 3 = 0

Factor the left side:

(4 cos(<em>x</em>) - 3) (cos(<em>x</em>) - 1) = 0

Then either

4 cos(<em>x</em>) - 3 = 0   <u>or</u>   cos(<em>x</em>) - 1 = 0

cos(<em>x</em>) = 3/4   <u>or</u>   cos(<em>x</em>) = 1

From the first case, we get

<em>x</em> = cos⁻¹(3/4) + 2<em>nπ</em>  <u>or</u>   <em>x</em> = -cos⁻¹(3/4) + 2<em>nπ</em>

and from the second,

<em>x</em> = <em>nπ</em>

where <em>n</em> is any integer.

7 0
3 years ago
Graph F(x)=32x+2. Please
olga2289 [7]

Answer:

The required graph is shown below:

Step-by-step explanation:

Consider the provided graph f(x)=32x+2

The above function is a linear function.

We can draw the graph of the linear function with the help of two points.

Substitute x = 0 in f(x)=32x+2

f(0)=32(0)+2

f(0)=2

Hence, the coordinates are (0,2)

Substitute f(x) = 0 in f(x)=32x+2

0=32x+2

32x=-2

x=-0.0625

Hence, the coordinates are (-0.0625,0)

Now join the above points.

The required graph is shown below:

5 0
3 years ago
Read 2 more answers
Can anyone help me with the problem in the picture?
torisob [31]
X = 45.

Since opposite exterior angles are congruent, you can set the 2 values equal to each other. When you solve for x, you should get 45.
3 0
3 years ago
I need help with this question it’s due today please help.
11Alexandr11 [23.1K]

Answer:

7 in

Step-by-step explanation:

6 0
3 years ago
Solve the equation -6(2a + 7) = -22- 8a
Andru [333]

Answer: a = -5

Step-by-step explanation:

First, open up the brackets, and solve it

-12a -42 = -22 -8a. (-6 x 2a, and -6 x 7)

bring the -8a to the left side, so that all the a’s are together

-12a -42 + 8a = -22 (add -42 on both sides like we did with -8a)

-12a + 8a = -22 + 42

solve

-4a = 20

divide -4 on both sides

a = -5

3 0
3 years ago
Read 2 more answers
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