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PIT_PIT [208]
3 years ago
11

On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite direction. The numb

er b varies directly with the number a. For example b = 2b equals 2 and StartFraction 3 Over 4 EndFraction. when a = –2a equals negative 2 and StartFraction 3 Over 4 EndFraction.. Which equation represents this direct variation between a and b?
b = –a
–b = –a
b – a = 0
b(–a) = 0
Mathematics
2 answers:
zubka84 [21]3 years ago
7 0

Answer:

Yes! The correct answer is A.) b= -a

Step-by-step explanation:

I did the Unit test and i got it correct.

nata0808 [166]3 years ago
4 0

Answer:

b=-a

Step-by-step explanation:

if the distance from origin 0 of b is the same as the distance of a from b but in opposite directions, this makes b differ from a by polarity but with similar values.

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Step 3: Displaying numerical data in dot plots, and describing and analyzing
mylen [45]

Answer:

81

Step-by-step explanation:

i added it all

4 0
2 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.8 megabytes (MB). The size of the
Serga [27]

Answer:

Number of high quality version downloads = 880

Step-by-step explanation:

Let,

x be the number of standard version songs downloaded

y be the number of high quality version songs downloaded

According to given statement,

x+y=1600        Eqn 1

2.8x+4.1y=5624     Eqn 2

Multiplying Eqn 1 by 2.8 to eliminate x

2.8(x+y=1600)

2.8x+2.8y=4480     Eqn 3

Subtracting Eqn 3 from Eqn 2

(2.8x+4.1y)-(2.8x+2.8y)=5624-4480

2.8x+4.1y-2.8x-2.8y=1144

1.3y=1144

Dividing both sides by 1.3

\frac{1.3y}{1.3}=\frac{1144}{1.3}\\y=880

Hence,

Number of high quality version downloads = 880

3 0
3 years ago
Which equation will help you solve this problem?
Anna35 [415]
Think about it, 64 band members split equally into 8 rows. Sounds like division, right? If we're going to split them into each row, that would be eight members for each of the eight rows. 

So the answer is that 8 members was in each row.
4 0
3 years ago
Read 2 more answers
Please help me with the question please ASAP ASAP please please ASAP please please help please please ASAP
maks197457 [2]

Angle 1 - 60 degrees

Angle 2 - 30 degrees

Angle 3 - 60 degrees

Angle 4 - 30 degrees

6 0
3 years ago
How do i add 567,890 567,096
marissa [1.9K]
567,890
+567,096
________
1,134,986
3 0
3 years ago
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