3 years ago

HELP WITH 12 PLZ???!?!?!?!!!!?

Mathematics

2 answers:

Snezhnost [94]3 years ago

7 0

You only showed half of the question how can we answer that?!

dezoksy [38]3 years ago

3 0

Can you show the full question?

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A television and DVD player cost a total of 1132. The cost of the television is three times the cost of the DVD player. What is

lubasha [3.4K]

Let x rep cost of dvd in $
so the cost of tv is 3x
and x + 3x = 1132
4x=1132
x=1132/4
x= 283 and 3x=3(283)=849

7 0

2 years ago

A river discharges 4 × 106 cubic feet of water into the Pacific Ocean each second. There are 86,400 seconds in one day. To find

erik [133]

Answer:

3.456E + 14= $3.456X10^{14$

Step-by-step explanation:

The river discharges $4X10^6$ cubic feet of water into the Pacific Ocean each second.

There are 86,400 seconds in one day.

Amount of water discharges each day

$=4X10^6X86400\\=345600000000\\=3.456X10^{11$

Since this differs from what you have, I will explain the scientific notation.

3.456E + 14 simply means $3.456X10^{14$

The options are not well laid out but you can pick the appropriate option.

8 0

3 years ago

Help i'll give 20points

saul85 [17]

Step-by-step explanation:

512+18=530

423+12=435

5421+14=5435

6324+32=6356

7985+23=8008

5 0

2 years ago

Help please! a= 2 b= -4 c= -3 d= 5 help and explain how to do it pleaseee

slava [35]

(2+-4)--3
(2-4)+3
(-2)+3
1

(-4-2)+-3
(-6)-3
-9

5 0

3 years ago

a can has 50 marbles in it. Every hour, 7 marbles are taken out.After 4hours, how many marbles are left in the can?

KengaRu [80]

7×4=28

now subtract:

50-28=22

there are 22 marbles left in the can

hope this helped

5 0

3 years ago