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3 years ago

2/3 divided by 4/6 =

Mathematics

1 answer:

const2013 [10]3 years ago

4 0

1 ? I checked on the calculator and it said 1

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Idk how to explain it so here is a pic

DiKsa [7]

Answer:

13/8

Step-by-step explanation:

8 plus 5 equals 13

8 0

3 years ago

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Does anyone know how to solve this?

andriy [413]

Answer:

8 d5 e2

Step-by-step explanation:

4 0

3 years ago

For what values of q are the two vectors A = i + j + kq each other and B-iq-23 + 2kg perpendicular to

Sloan [31]

Answer:

The value of q are 0.781,-1.281.

Step-by-step explanation:

Given : Two vectors $A=i+j+kq$ and $B=iq-2j+2kq$ are perpendicular to each other.

To find : The value of q ?

Solution :

When two vectors are perpendicular to each other then their dot product is zero.

i.e. $\vec{A}\cdot \vec{B}=0$

Two vectors $A=i+j+kq$ and $B=iq-2j+2kq$

$(i+j+kq)\cdot (iq-2j+2kq)=0$

$(1)(q)+(1)(-2)+(q)(2q)=0$

$q-2+2q^2=0$

$2q^2+q-2=0$

Using quadratic formula,

$q=\frac{-1\pm\sqrt{1^2-4(2)(-2)}}{2(2)}$

$q=\frac{-1\pm\sqrt{17}}{4}$

$q=\frac{-1+\sqrt{17}}{4},\frac{-1-\sqrt{17}}{4}$

$q=0.781,-1.281$

Therefore, The value of q are 0.781,-1.281.

6 0

3 years ago

What is the equation of the midline of the function f(x) = 5.6sin (2.6x - 4.2) - 9.1?

Iteru [2.4K]

Answer:

$f(x) = -9.1$

Step-by-step explanation:

The midline is set on $f(x) = -9.1$ , when the sine function is equal to zero, eliminating the effect from amplitude. The midline is a horizontal line. Hence, the equation of the midline is:

$f(x) = -9.1$

5 0

3 years ago

Pls help me! I'm confused

seraphim [82]

Just put them in order from least to greatest and find out in between which number to put them . For example put 24 between 20 and 25.

Hope that helps .

6 0

3 years ago

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