2 years ago

Find the value of the missing angle to the nearest whole degree or leave it in trig form.

Mathematics

1 answer:

Ivenika [448]2 years ago

7 0

Answer:

∅ = 37° (to the nearest whole degree)

Step-by-step explanation:

Cos(∅) = 4/5

∅ = Cos⁻¹ (4/5)

∅ = 37° (to the nearest whole degree)

Hope this helps!

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21/49 in lowest terms

noname [10]

21/49 in lowest terms

1) To make a fraction in lowest terms you have to divide by the greatest common factor.

The GCF of 21 and 49 is 7

2) Simplify Fraction

Divide the numerator and denominator by 7

21 ÷ 7 = 3
49 ÷ 7 = 7

21/49 in lowest terms is 3/7

5 0

2 years ago

Read 2 more answers

iDentify the equation of the circle that has its center at (-27, 120) and passes through the origin A. (x−27)2+(y+120)2=123 B. (

melomori [17]

The equation of a circle is given in the form $(x-a)^2+(y-b)^2=r^2$ , where

(a, b) is the centre of the circle
r = radius

We have the centre of the circle (-27, 120)
We can work out the radius by modelling the radius as the hypotenuse of a triangle as shown in the diagram below

$r^2=27^2+120^2$
$r^2 = 15129$

The equation of the circle is

$[x-(-27)]^2+[y-120]^2=15129$
$[x+27]^2+[y-120]^2=15129$

Correct answer: option number 4