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VikaD [51]
3 years ago
9

Can someone help me?! I don’t understand how to do these problems

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
7 0

Answer:

first do 9x40 and get your answer then do 18x3 and get that answer and then add to do answers together

Tju [1.3M]3 years ago
4 0
If Phillip gets 9.00 an hour for 40 hours and twice as much for every hour over that it would be. 9x40=340 (340.00). 3x18=54. (54.00). 340.00+54.00=394.00. Answer is 394.00
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The diagram shows a plastic solid made by joining a hemisphere to a cone. The radius of the hemisphere is 5cm and the height of
lilavasa [31]

Answer:

575.8 cubic cm

Step-by-step explanation:

V(cone) = 1/3· π · r² · h

V = 1/3 · π · 25 · 12

V = 4(25)π or 100π = 314

V(half-sphere) = (4/3 · π r³)/2

V = (4/3π · 125) = 261.8

7 0
2 years ago
Yohanna is conditioning all summer to be fit for the next soccer season at his high school. He incorporated walking planks into
BARSIC [14]

I'm pretty sure the answer is 53.

4 0
3 years ago
for simultaneous equations in variables x and y d x² = 49 Dy= -63, D= 7 then what is the value of x?​
Ket [755]

Step-by-step explanation:

hope it will be helpful to you

3 0
2 years ago
Tell me how to shade the area on the grid that shows 7/8x3/4
viva [34]
If the grid is an 8x8: 

To solve this we need to convert 3/4 into a fraction x/8 so that they have the same denominator.

To do this we can set a porportion and find a common denominator. 4 x 2 = 8 so the common denominator would be 8 and the rule would be x 2 so 4 x 2 = 8 and 3 x 2 = 6

So we get 7/8 and 6/8

From top to bottom shade 7 spaces in a row

From left to right shade 6 spaces in a row

Fill in the spaces in between to make a square

I hope this helps!
8 0
3 years ago
Read 2 more answers
What is the GCF of (8x-6) <br><br>sos T-T
makvit [3.9K]

Hi student, let me help you out! :)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

We are asked to find the G.C.F. of 8x-6.

\triangle~\fbox{\bf{KEY:}}

  • G.C.F. stands for Greatest Common Factor.

So what is the G.C.F. of 8x-6? We can list all of their common factors and then select the greatest one, like so:

\longmapsto\bf{Factors\;of\;8x:} 1, 2, 4, 8, x

\longmapsto\bf{Factors\;of\;-6:} -1, 1, 2, -3, 3, -6, 6

So the GCF is:

2

Now, we can also factor it out by placing it outside the parentheses ():

2(4x-3)

See, we factored it out by dividing both terms of the expression by the G.C.F.

\ddot\bigstar Remember this...

\fbox{\bf{We\;factor\;out\;the\;G.C.F.\;by\;dividing\;all\;the\;terms\;of\;the\;expression\;by\;it}}

Hope this helps you out! :D

Ask in comments if any queries arise.

~Just a smiley person helping fellow students :)

6 0
2 years ago
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