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mart [117]
3 years ago
7

Suppose you work in a grocery store 4 hours on Friday and 5 hours on Saturday. You earn $6.25 an hour. Find your total wages.

Mathematics
1 answer:
coldgirl [10]3 years ago
4 0
Your Answer would be $56.25
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Can anyone help?....
stepan [7]
<span>The answer two this question is C.

You can get this answer by multiplying the two polynomials and then simplifying. See the steps below:
(4x^2 - 5)(x + 3) ---> Now multiply the two parenthesis. 
4x^3 - 5x + 12x^2 - 15 ---> Arrange the numbers by decreasing  exponents. 
4x^3 + 12x^2 - 5x - 15

No simplifying can be done since there are no like terms. </span>
8 0
3 years ago
Read 2 more answers
Geometry, plz help!
astra-53 [7]

Answer:

17. surface area ≈ 441.84

04π m² or  1387.38  m²

18. Ratio of volumes = 8/27

19. volume of the smaller solid = 339 yards³

Step-by-step explanation:

17 .

To find the surface area of the sphere we have to find the radius of the sphere first.

volume of a sphere = 4/3πr³

volume = 1548π m³

r = ?

volume of a sphere = 4/3πr³

1548π = 4/3 × π × r³

multiply both sides by 3/4

1548π × 3/4 = πr³

4644π/4 = πr³

1161π = πr³

divide both sides by π

r³ = 1161

cube root both sides

r = ∛1161

r = 10.5101942

r ≈ 10. 51

surface area of a sphere = 4πr²

surface area = 4 × π × 10.51²

surface area = 4 × 110.4601  × π

surface area = 441.8404π m²  

surface area = 441.8404 × 3.14 = 1387.378856  m² ≈ 1387.38 m²

18

If two figure or solid are similar with scale factor or ratio of x/y then the ratio of their volume is (x/y)³. If the ratio of of two similar prism is 2 : 3 the volume will be (2/3)³ = 8/27 .

19

If two solids are similar then the ratio of their surface area is the squared of the scale factor.

121/361 = (x/y)²

square root both sides

x/y = 11/19

If two solids are similar then the ratio of their volume is the cube of the scale factor.

(11/19)³ = a/1747

1331/6859  = a/1747

cross multiply

6859a = 2325257

divide both sides by 6859

a = 2325257/6859

a = 339.008164455

a ≈ 339 yards³

volume of the smaller solid ≈ 339 yards³

4 0
2 years ago
Helen and Nicola share some money into the ratio 1:3 , what fraction of the total does Helen have ?
Aneli [31]

Answer:

If we expect that it is respective then Helen will have 25% of the money

Step-by-step explanation:


8 0
3 years ago
Which inequality is equivalent to |x-4| less than 9? –9 &gt; x – 4 &lt; 9 –9 &lt; x – 4 &lt; 9 x – 4 &lt; –9 or x – 4 &lt; 9 x –
Arisa [49]
The answer is -9 < x - 4 < 9
6 0
1 year ago
5*10^5 is how many times bigger that 1*10^5
weqwewe [10]

Answer:

5

Step-by-step explanation:

5*10^5=500000 and 1*10^5=100000

6 0
2 years ago
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