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aniked [119]
3 years ago
9

CAN SOMEONE HELP ME PLEASE

Mathematics
1 answer:
maxonik [38]3 years ago
8 0
The answer is 20 just plug your choices in to get which one works!
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During one week, David worked 16 hours at his normal hourly rate and
asambeis [7]

Answer:

43.49

Step-by-step explanation:

let his normal hourly rate be x

16x+7x/2=848

39x/2=848

x=848 ÷ 39/2

=43.48717

6 0
3 years ago
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Five times a number which is 3 more than h. Write this as an expression.
ladessa [460]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

So, let's start off with h

The expression needs to be '3 more than h'

This can be written as:

h + 3

The expression also needs to be 'five times' this value

This can be written as:

5(h + 3)

That would be your answer ^^

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4 0
3 years ago
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Given a polyhedron with 12 faces and 30 edges, how many vertices does it have?
larisa86 [58]

Answer:

It should have 20 vertices, and the name is dodecahedron

8 0
4 years ago
PLS I NEED THIS LIKE TODAY
gogolik [260]

Answer:

please be more specific

7 0
3 years ago
2x - 3y = 16
aivan3 [116]

Answer:

B) (5,-2)

Step-by-step explanation:

we have the equations:

2x - 3y = 16\\3x + 2y = 11

We multiply the first equation by 3:

3(2x-3y=16)\\6x-9y=48

i will call this equation 1.

and we multiply the second equation by 2:

2(3x+2y=11)\\6x+4y=22

i will call this equation 2.

Now we subtract equation 2 from equation 1:

6x-9y=48\\-(6x+4y=22)

this is:

6x-9y=48\\-6x-4y=-22

which gives:

6x-9y-6x-4y=48-22\\-13y=26\\y=-2

and now that we know that y=-2 we substitute this value in any of the original equations to find x

using 2x - 3y = 16

we have:

2x - 3(-2) = 16\\2x+6=16\\2x=16-6\\2x=10\\x=5

so x=5

the answer is (5, -2) which is option B.

5 0
4 years ago
Read 2 more answers
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