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sertanlavr [38]
2 years ago
12

Please help solve this equation. Show all steps please. No links or files.

Mathematics
1 answer:
maksim [4K]2 years ago
3 0

Answer:

See below

Step-by-step explanation:

c = (a^2 + 3b) / 4       multiply both sides by 4

4c = a^2 + 3b           subtract a^2 from both sides

4c - a^2 = 3b            now divide both sides by 3

(4c-a^2) / 3 = b          

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Help me please help me thanks please
Tatiana [17]

Answer:

1018 cm

Step-by-step explanation:

A=piR^2

To find the radius from circumference, we divide by pi and then divide by two.  

C=36pi

36pi/pi=36

36/2=18

R=18

if we plug 18 into

A=piR^2,

we get

18pi^2=A

18pi^2=1017.88

round this to get 1018

A=1018

7 0
2 years ago
HELP ME ASAP PLEASE a) A graph is drawn below.
Vesna [10]
Directly proportional means if x has a certain value, y should have the same value. but here in the graph, when x is 0, y has a value greater than 0. for x and y to be directly proportional, the line should go through 0.
6 0
3 years ago
¿Cuáles son las soluciones x1 y x2 de la ecuación x2 − 5x − 6 = 0?
ValentinkaMS [17]

Answer:

x1 = 4 y x2= 2

Step-by-step explanation:

escuchame

x2 - 5x -6 = 0

(4)^2 - 5(2) - 6 = 0

16 - 10 - 6 = 0

6 - 6 = 0

de nade :)

3 0
2 years ago
Anyone help pls i need answers quick ​
Helga [31]

Answer:

11

Step-by-step explanation:

-4 is less than 3 so we need to use the first equation of the piecewise function

f(-4) = (-4)^2 -5

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7 0
2 years ago
Find the total cost of these items, including tax. Round
solniwko [45]

Answer:

Flashlight ;  = $2.99

Water bottle = $1.50

Toothbrush = $1.29

Compass = $3.29

Step-by-step explanation:

Sales tax = 7%

Item: _____ price

Flashlight ;  = $3.20

Water bottle = $1.61

Toothbrush = $1.38

Compass = $3.52

Total cost = price of item + sales tax

Sales tax = 7%

Total cost = (1 + 7%) * price of item

Total cost = (1 + 0.07) * price of item.

Total cost = 1.07* price

Flashlight = 1.07*1.29 = $3.20

Water bottle = 1.07*1.50 = $1.61

Toothbrush = 1.07*1.29 = $1.38

Compass = 1.07*3.29 = $3.52

6 0
3 years ago
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