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3 years ago

42 square feet to square inches

Mathematics

2 answers:

dolphi86 [110]3 years ago

7 0

Answer:

6048 square inches

Step-by-step explanation:

Andre45 [30]3 years ago

4 0

Answer:

6048 inches

Step-by-step explanation:

12x48

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What is the equation of the line that passes through the point (-6, -7) and has a slope of 0 <br>

Natali [406]

Answer:

x = - 6

Step-by-step explanation:

A line with a slope of zero is a horizontal line parallel to the x- axis with equation

x = c ( where c is the value of the x- coordinates the line passes through )

The line passes through (- 6, - 7 ) with x- coordinate - 6 , then

x = - 6 ← equation of line

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3 years ago

Cos(a) 63/65 to find sin(a) and tan(a)

Semenov [28]

Answer:

$\huge\boxed{\sin\alpha=-\dfrac{16}{65},\ \tan\alpha=-\dfrac{16}{63}}\\\\or\\\\\huge\boxed{\sin\alpha=\dfrac{16}{65},\ \tan\alpha=\dfrac{16}{63}}$

Step-by-step explanation:

$\cos\alpha=\dfrac{63}{65}\\\\\text{use}\ \sin^2\alpha+\cos^2\alpha=1\\\\\sin^2\alpha+\left(\dfrac{63}{65}\right)^2=1\\\\\sin^2\alpha+\dfrac{3969}{4225}=1\qquad\text{subtract}\ \dfrac{3969}{4225}\ \text{from both sides}\\\\\sin^2\alpha=\dfrac{4225}{4225}-\dfrac{3969}{4225}\\\\\sin^2\alpha=\dfrac{256}{4225}\to\sin\alpha=\pm\sqrt{\dfrac{256}{4225}}\\\\\sin\alpha=\pm\dfrac{\sqrt{256}}{\sqrt{4225}}\\\\\sin\alpha=\pm\dfrac{16}{65}$

$\text{use}\ \tan\alpha=\dfrac{\sin\alpha}{\cos\alpha}\\\\\text{substitute:}\\\\\tan\alpha=\dfrac{\pm\frac{16}{65}}{\frac{63}{65}}=\pm\dfrac{16}{65}\cdot\dfrac{65}{63}=\pm\dfrac{16}{63}$

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4 years ago

Read 2 more answers

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PtichkaEL [24]

Answer:

7 feet

Step-by-step explanation:

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2 years ago

the radius of a circle is 10 using pi which equation expresses the ratio of the circumference of the circle to the circle's diam

grigory [225]

Answer:

Step-by-step explanation:

The radius of the circle is 10 units

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C = 2 * pi * r

The diameter of a circle is twice the radius

d= 2r

We want the ratio of the circumference to the diameter

C/d = (2*pi*r)/ 2r

Canceling out the 2 and the r, we are left with pi

C/d = pi

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4 years ago

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