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ozzi
2 years ago
9

IM DESPERATE I need help with #3. I would like it if you could explain how to do it because there are 2 more that are similar to

#3. Thank you!​

Mathematics
2 answers:
hodyreva [135]2 years ago
7 0
$30 • 10%

10% = 0.10

30 • 0.10 = 3

The answer is $27. They got $3 off.

$30 - $3 = $27.
navik [9.2K]2 years ago
7 0
i could be wrong but i thing it’s 3 if because 10% of 30 is 3
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Two cubes have their surface areas in the ratio 1:4 , what is the ratio of their volumes ?
yKpoI14uk [10]

Answer:

1 : 8

Step-by-step explanation:

For similar figures with ratio of sides = a : b

Then ratio of areas = a² : b² and

ratio of volumes = a³ : b³

Given ratio of areas = 1 : 4

linear ratio = \sqrt{1} : \sqrt{4} = 1 : 2

ratio of volumes = 1³ : 2³ = 1 : 8


8 0
3 years ago
Which equation can be simplified to find the inverse of y = 2x²?
siniylev [52]

Answer:

y=1/2x²

Step-by-step explanation:

y=2x-²

y=1/2x²

8 0
3 years ago
Y= 5x - 9, paying 35 for a answer, cashapp $mrbeast
Hatshy [7]

Answer:

Slope is 5

y intercept is (0,-9)

7 0
2 years ago
Read 2 more answers
Help please need this answer
fredd [130]

Answer:

(5,4) is the solution

Step-by-step explanation:

2x + y = 14 --> y = -2x + 14

Substitute y = -2x + 14 into 3x - 2y = 7


3x - 2( -2x + 14) = 7

3x + 4x - 28 = 7

7x = 35

x = 5

y = -2(5) + 14

y = -10 + 14

y = 4

Answer (5 , 4)

7 0
3 years ago
Read 2 more answers
What is the range of this function?
aleksley [76]
You order the y-values from greatest to least, which are 2, 2, 3, and 4. You don't need to duplicate the same y-values, so the range is {2, 3, 4}
7 0
2 years ago
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