2 years ago

Solve for x, will give brainliest!

Mathematics

1 answer:

Kobotan [32]2 years ago

8 0

Using the trig function Cosign:

cos(41)=x/11
multiply cos(41)x11 to simplify the fraction,
x=8.301805382 units

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The width of a rectangle is the length minus 2 units. the area of the rectangle is 35 units

Mariana [72]

Answer:

$Length=7units\\\\Width=5units$

Step-by-step explanation:

Width=(Length-2) units

W=(L-2) units

Area of the rectangle= 35 square units

Area = length* Width

$35= L*(L-2)\\\\35=L^2-2L$

Subtracting 35 both sides:

$L^2-2L-35=0$

Solving the quadratic equation for 'L' ;

Using factorization:

$L^2+5L-7L-35=0$

Taking common from the equation :

$L(L+5)-7(L+5)=0\\\\(L+5)(L-7)=0\\\\L+5=0\\\\L=-5$

$L-7=0\\\\L=7$

The length cannot be negative, therefore Length(L)= 7

$Width=Length-2\\\\=7-2\\\\=5 units$

$Length=7units\\\\Width=5units$

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3 years ago

Which expression is equivalent to 2(4 + x) + 3 ?

Elden [556K]

The correct answer is A. 2*4+x+3

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2 years ago

How would you get the equation for each one can some pls just explain and I’ll figure it out ! Thanks !

Katen [24]

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2 years ago

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Multiply k(5j+2) what is the answer to this please

AfilCa [17]

Use the distributive property to get 5kj+2k

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2 years ago

P - 3.1(6) =-2.1(2) what is the answer and explained

harina [27]

Answer:

P = 14.4

Step-by-step explanation:

Multiply out -3.1(6) and -2.1(2).

P - 18.6 = - 4.2

Add - 18.6 to the other side of the Equation.

P = 14.4

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2 years ago