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4 years ago

Complete the table. (Please helppp)

Mathematics

2 answers:

Dovator [93]4 years ago

7 0

The answer is 6.2 and 7.0
You just have to look at the pattern
The pattern is add 1 the put the dot and then subtract 2
Example: 3.4, 4.2, 5.0 and so on
Hopes this helps!

Svet_ta [14]4 years ago

6 0

The decimal for 8 is 6.2 and the decimal for 9 is 7.0. Hope this helps you!

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Two welders worked a total of 46 h on a project. One welder made $34/h, while the other made $39/h. If the gross earnings of the

Ratling [72]

Answer:

25 and 21 hours respectively

Step-by-step explanation:

Let the number of hours worked by each welder be x and y respectively.

They worked a total of 46 hours. This means :

x + y = 46 hours.......(I)

Now, given their hourly charges, since we have the total amount of money realized, we can make an equation out of it. This means:

34x + 39y = 1669........(ii)

We then solve both simultaneously. From I, x = 46 -y

We can substitute this into ii

34(46 -y) + 39y = 1669

1564 -34y + 39y = 1669

5y = 1669 - 1564

5y = 105

y = 105/5 = 21

x = 46 - y

x = 46 - 21 = 25 hours

The numbers of hours worked by the welders are 25 and 21 respectively

4 0

3 years ago

Use the long division method to find the result when 3x^3+23x^2+23x+6 is divided by 3x+2.

horsena [70]

Answer:

$x^{2} + 7x+3$

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Find the solution set

AVprozaik [17]

M1= -5 , m2 = 5 inorder to get this you move the constant to the right take the root of both sides separate the solutions and you should get m1= -5, m2 =5

7 0

3 years ago

24 is 25% of what number

mel-nik [20]

Let x be the mystery number
25% = 0.25

So, 24/x = 0.25
Now, we have to rearrange the equation to get:
x = 24/0.25 = 96

Don't hesitate to ask any further questions!
Hope I helped! xx

4 0

3 years ago

Read 2 more answers

Work out the volume of the solid shape<br><br> Give your answers in terms of pi please

kirill [66]

*The complete question is in the picture attached below.

Answer:

756πcm³

Step-by-step Explanation:

The volume of the solid shape = volume of cone + volume of the hemisphere.

==> 270πcm³ + ½(4/3*π*r³)

To calculate the volume of the hemisphere, we need to get the radius of the hemisphere = the radius of the cone.

Since volume of cone = 270πcm³, we can find r using the formula for the volume of cone.

==> Volume of cone = ⅓πr²h

⅓*π*r²*10 = 270π

⅓*10*r²(π) = 270 (π)

10/3 * r² = 270

r² = 270 * ³/10

r² = 81

r = √81

r = 9 cm

Thus, volume of hemisphere = ½(4/3*π*r³)

==> Volume of hemisphere = ½(⁴/3 * π * 9³)

= ½(972π)

Volume of hemisphere = 486πcm³

Volume of the solid shape

= volume of cone + volume of the hemisphere.

==> 270πcm³ + 486πcm³

= 756πcm³

3 0

3 years ago