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choli [55]
2 years ago
5

8 - (3 + b) = b - 9 please show work

Mathematics
1 answer:
sergey [27]2 years ago
6 0
B=7 I showed my work so I hope it helps!

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Solve using substitution <br> x-10y=10<br> x= -10
34kurt
-10 -10y = 10
+10 +10

-10y = 20

20/-10 = -2

Y = -2
4 0
2 years ago
Read 2 more answers
eight wooden spheres with radii 3 in. are packed snugly into a square box 12 in. on one side. the remaining space is filled with
ZanzabumX [31]
Vbox-vspheres

vbox=, I assume we are dealing with l=w=h
so
v=lwh=12^3=1728

vsphere=(4/3)pir^3
r=3
vsphere=(4/3)pi3^3=4pi9=36pi
8 of them so
8 times 36pi=288pi or about 904.7786842338604526772412943845 cubic inches



vbox-sphere=1728-904.7786842338604526772412943845=823.2213157661395473227587056155
space filled by packing beads is about 823.22 cubic inches
beads percent is 823.2213157661395473227587056155/1728 times 100=47.64% filled by beads






3 0
3 years ago
Please help ill give brainliest<br>​
Paul [167]
1.c
2.d
3.b
4.a
Im sure about 1 and 4 but a little hesitant on 2 and 3 but good luck pretty sure it’s right
3 0
3 years ago
Is -5 greater than -9
sveta [45]

Answer: Yes! -5 is greater than -9, because with negatives the smaller numbers are the greatest because they are below 0. Have a good day and Good Luck!


Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Find a 12% tip on a check for $40.
pickupchik [31]

Answer:

Step-by-step explanation:

40(12/100)

480/100

$4.80

3 0
3 years ago
Read 2 more answers
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