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Temka [501]
3 years ago
11

9*7/10=____*_____=______=

Mathematics
1 answer:
Aleks04 [339]3 years ago
6 0

Answer:

9/1 *7/10 = 63/10 =6 3/10

Step-by-step explanation:

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Questions Below. Would Appreciate Help!
kherson [118]

Answer:

The function that could be the function described is;

f(x) = -10 \cdot cos \left (\dfrac{2 \cdot \pi }{3} \cdot x \right ) + 10

Step-by-step explanation:

The given parameters of the cosine function are;

The period of the cosine function = 3

The maximum value of the cosine function = 20

The minimum value of the cosine function = 0

The general form of the cosine function is presented as follows;

y = A·cos(ω·x - ∅) + k

Where;

\left | A \right | = The amplitude = Constant

The period, T = 2·π/ω

The phase shift, = ∅/ω

k = The vertical translation = Constant

Therefore, by comparison, we have;

T = 3 = 2·π/ω

∴ ω = 2·π/3

The range of value of the cosine of an angle are;

-1 ≤ cos(θ) ≤ 1

Therefore, when A = 10, cos(ω·x - ∅) = 1 (maximum value of cos(θ)) and k = 10, we have;

y = A × cos(ω·x - ∅) + k

y = 10 × 1 + 10 = 20 = The maximum value of the function

Similarly, when A = 10, cos(ω·x - ∅) = -1 (minimum value of cos(θ)) and k = 10, we get;

y = 10 × -1 + 10 = 0 = The minimum value of the function

Given that the function is a reflection of the parent function, we can have;

A = -10, cos(ω·x - ∅) = -1 (minimum value of cos(θ)) and k = 10, to get;

y = -10 × -1 + 10 = 20 = The maximum value of the function

Similarly, for cos(ω·x - ∅) = 1 we get;

y = -10 × 1 + 10 = 0 = The minimum value of the function

Therefore, the likely values of the function are therefore;

A = -10, k = 10

The function is therefore presented as follows;

y = -10 × cos(2·π/3·x) + 10

8 0
2 years ago
Alicia has 3 1/6 yards of fabric. After making a tablecloth, she had 1 4/6 yards of fabric. Alicia said she used 2 3/6 yards of
Katarina [22]
An easier way to do this is to make the fractions improper fractions.
3 1/6 can be rewritten as 19/6. 1 4/6 can be rewritten as 10/6. (Multiply the denominator by the number at its side, and add it to the numerator). 
2 3/6 is 15/6.
Subtract 10/6 from 19/6.
19/6-10/6=9/6.
9/6 is not 15/6, therefore she did not use 2 3/6 yards of fabric.
3 0
3 years ago
Read 2 more answers
Cassie Boland earns $16.25 an hour. What gross wages did she
sergejj [24]

Answer:

$406.25

Step-by-step explanation:

Multiply 16.25 by 25:

16.25(25)

= 406.25

So, her gross wages were $406.25

6 0
3 years ago
Read 2 more answers
Need help with these two
Brilliant_brown [7]
Before we start to answer, let's get our formulas put in.
4 qt = 1 gal.
1 c = 0.5pt (or 2 cups to 1 pt)

Now that we've gotten the formulas out of the way, let's plug in our numbers.

We have 5 qt.
Since we have 4 qt per gal, let's subtract 4 from 5.
5 - 4 = 1. We have 1 gal (due to having a whole 4) and 1 qt left over.
5 qt = 1 gal 1 qt.

We have 7 c.
Since we have 2 cups per pint, let's divide 7 by 2.
7 / 2 = 3.5

We have 3.5 Pt.

7c = 3.5pt

Your answers are:
1 gal 1 qt
3.5pt

I hope this helps!
4 0
3 years ago
Use the Quadratic Formula to find the exact solutions of x2 + 7x - 4 = 0.
sladkih [1.3K]

Answer:

The solution of equation x^2+7x-4=0 is 0.53,-7.53.

Step-by-step explanation:

Given : Quadratic equation x^2+7x-4=0

To find : The solution of equation ?

Solution :

The solution of the quadratic equation ax^2+bx+c=0 is x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

Here, a=1, b=7 and c=-4.

Substitute the values,

x=\frac{-7\pm\sqrt{7^2-4(1)(-4)}}{2(1)}

x=\frac{-7\pm\sqrt{65}}{2}

x=\frac{-7+\sqrt{65}}{2},\frac{-7-\sqrt{65}}{2}

x=0.53,-7.53

Therefore, the solution of equation x^2+7x-4=0 is 0.53,-7.53.

3 0
3 years ago
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