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Sav [38]
3 years ago
15

HELPPP ASAPPP! PLZ

Mathematics
1 answer:
dusya [7]3 years ago
5 0

Answer : D

2x=5y+4

15y=6x-12

Solve 2x=5y+4 for x

Divide both sides by 2

2x/2=(5y+4)/2

x = 5/2 y +2

Substitute 5/2 y +2 for x in 15y=6x-12

15y= 6x-12

15y= 6(5/2 y +2 ) -12

Simplify both sides of the equation

15y=15y

Add -15y to both sides

15y-15y= 15y-15y

0=0


Hey Lily , I hope this help and if you have question(s) please let me know . Thanks



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Help please thank you!! :)
tankabanditka [31]

Answer:

Area of circle: 1662.57 cm

Circumference of circle: 144.57 cm

Step-by-step explanation:

Formula of area of circle:

pi x r2 or radius x radius

So, it's 22/7 x 23 x 23 = 1662.571429

Formula of circumference of circle:

2 x pi x radius OR

pi x diameter

Let's use the second method, to find diameter it is radius x 2 = 46

So,

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3 years ago
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Answer:

Picture #1: True

Picture #2:

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Picture #3

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y = -3

Picture #4

.50x. + 4.50 = 31.50

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Picture #5

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3 0
3 years ago
PLEASE HELP A pizza parlor sells 320 pizzas per night when they charge $9.00 per pizza. The owner believes increasing the price
Sonja [21]
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6 0
3 years ago
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lana66690 [7]

Answer:

Angle B = 47.3°

Step-by-step explanation:

We are to find Angle B

b = 6.8cm

C = 70°

c = 8.7cm

We solve using Sine rule

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Cross Multiply

sin B × 8.7 = 6.8 × sin 70

sin B = 6.8 × sin 70/8.7

B = arc sin ( 6.8 × sin 70/8.7)

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Approximately to 3 significant figures

= B = 47.3°

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2 years ago
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Mice21 [21]

Answer:

57.23

Step-by-step explanation:

Multiplied it out, and two negatives make a positive, so boom you get the answer :)

4 0
3 years ago
Read 2 more answers
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