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andrey2020 [161]
3 years ago
15

HELP ME PLEASAAASE I WANNA PASS

Mathematics
1 answer:
Tpy6a [65]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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What is 0.4% of $100
aksik [14]

0.4% = 0.004

100 * 0.004 = 0.4

4 0
3 years ago
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Solve for a, v0, and t
Burka [1]

Answer:

Step-by-step explanation:

∡x = v0t + 1/2 at²

∡x / v0t = 1/2 at²

2∡x / v0t =at²

a = 2∡x / v0t³

that's your answer:)

5 0
3 years ago
(fx+cd)/(x-f)=1/2 solve for x
sesenic [268]

Answer:

Step-by-step explanation:

(fx+cd)/(x-f)=1/2

Cross multiplication,

2*(fx + cd) = 1 * (x-f)

2fx + 2cd = x - f

2fx - x  = -2cd - f

x (2f - 1) = -2cd -f

x = (-2cd-f )/ (2f-1)

6 0
3 years ago
In the circle below, AD is a diameter and AB is tangent at A. suppose mADC=228. Find the measures of mCAB and mCAD. Type your nu
Tju [1.3M]

Answer:

m∠CAB = 66°

m∠CAD = 24°

Step-by-step explanation:

<em>m∠CAB</em>

The given parameters are;

The measure of arc m\widehat{ADC} = 228°

The diameter of the given circle = \overline{AD}

The tangent to the circle = \underset{AB}{\leftrightarrow}

The measure of m∠CAB and m∠CAD = Required

By the tangent and chord circle theorem, we have;

m∠CAB = (1/2) × m\widehat{AC}

However, we have;

m\widehat{AC} + m\widehat{ADC} = 360° the sum of angles at the center of a circle is 360°

∴ m\widehat{AC} = 360° - m\widehat{ADC}

Which gives;

m\widehat{AC} = 360° - 228° = 132°

m\widehat{AC} = 132°

Therefore;

m∠CAB = (1/2) × 132° = 66°

m∠CAB = 66°

<em>m∠CAD</em>

Given that  \overline{AD} is the diameter of the given circle, we have

The tangent, \underset{AB}{\leftrightarrow}, is perpendicular to the radius of the circle, and therefore \underset{AB}{\leftrightarrow} is also perpendicular to the diameter of the circle

∴ m∠DAB = 90° which is the measure of the angle formed by two perpendicular lines

By angle addition property, we have;

m∠DAB = m∠CAB + m∠CAD

∴ m∠CAD =  m∠DAB - m∠CAB

By substitution, we have;

m∠CAD = 90° - 66° = 24°

m∠CAD = 24°

7 0
3 years ago
There are approximately 2.4 million births in a country each year. Find the birth rate in units of births per minute.
irina1246 [14]

Answer:

4.57 births per minute

Step-by-step explanation:

2.4 million/year * 1year/365days* 1day/24hours * 1hour/60minutes =

2400000/(365*24*60) = 2400000/525600= 4.566births/minute

4 0
3 years ago
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