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jarptica [38.1K]
3 years ago
8

The cost of the lunches for the field trip can be represented by the expression:

Mathematics
2 answers:
padilas [110]3 years ago
8 0

B. Hdbsubsidbxjwbsudbbsus
quester [9]3 years ago
7 0

20 + 9 is the first answer

4(20)+4(9)+4( 6) is the second answer

80+36+24=140 is the third answer :)

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Yanka [14]
Maybe u should do inverse operation on both sides idk but just try it
4 0
3 years ago
Find the measurements
alexandr1967 [171]

Answer:

X=75 y=90

Step-by-step explanation:

180-105=75

X=75

180-90=90

Y=90

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3 years ago
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oksano4ka [1.4K]

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adelina 88 [10]

Answer:

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8 0
2 years ago
The measurement of a central angle is 75. Find the measurement of <br> in radians
Marina CMI [18]
Circumference = 360 degrees 
<span>Circumference = 2π radians (comes from 2*pi*radius) </span>

<span>Therefore </span>
<span>360 deg. = 2*π radians </span>
<span>180 deg. = π radians </span>
<span>1 deg. = (π/180) radians </span>

<span>75 deg. = 75(π/180) radians </span>
<span>75 deg. = 75π / 180 radians </span>
<span>don't bother to try and simplify π (it is an irrational number) </span>
<span>however you can simplify 75/180 </span>
<span>both are divisible by 5 </span>
<span>75π/180 = 15π/36 </span>
<span>both are divisible by 3 </span>
<span>75 deg. = 5π/12 radians </span>

<span>We normally don't bother to go further, unless you actually need it as a decimal fraction (in which case, you will have an approximation) </span>

<span>75 deg. ≈ 1.308997 radians</span>
5 0
3 years ago
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