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Veronika [31]
3 years ago
8

Please help me understand how to work out these types of equations?

Mathematics
2 answers:
Mademuasel [1]3 years ago
5 0
Answer:
115.2 other solutions is 576/5, 115 1/5
Step by step explanation:
To divide by a fraction, multiply by the reciprocal of the fraction
2.4 x (12 x 4)
Then multiply 12 and 4 which is 48
2.4 x 48
Then multiply 2.4 x 48
which is 115.2
goldenfox [79]3 years ago
5 0

Answer:

48

Step-by-step explanation:

2.4 (12 / 1/4)

First you do distributive property (multiplying the number in front of the parenthesis).

28.8 / 0.6

Then you just do the math

48

It's pretty easy, but it just depends on how somebody explains it.

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Show that x2 +x-3=0 has a solution between 1 and 2
Natali5045456 [20]

Answer:

here is the answer

Step-by-step explanation:

hope it is helpful

7 0
3 years ago
Math problem!!!!!!!!
Katen [24]
I think it is 1/9,  is there another number on the right side of triangle or is it just a prentices 
6 0
3 years ago
(7a – 6) + 3.- 8a – (-2a +5).
mixer [17]

Answer:

a - 8

Explanation:

7a−6+3−8a−(−2a+5)

Distribute the Negative Sign:

=7a−6+3−8a+−1(−2a+5)

=7a+−6+3+−8a+−1(−2a)+(−1)(5)

=7a+−6+3+−8a+2a+−5

Combine Like Terms:

=7a+−6+3+−8a+2a+−5

=(7a+−8a+2a)+(−6+3+−5)

=a + −8

Answer:

= a − 8

7 0
3 years ago
How do you do this? -x+5=10
Gennadij [26K]
-(1)x + 5 = 10 
      -5     -5
----------------
  -x = 5
 +1  +1
----------
 x = 6
6 0
3 years ago
If Julie invests $9,250 at a rate of 7%, compounded weekly, find the value of the investment after 5 years. $13,455.78
STatiana [176]
What is that $13,455.78? Something? I did this and got $13,122.76.  Here's how I did it:
Use this formula
A=P(1+ \frac{r}{n} ) ^{(n)(t)} where A is the ending amount, P is the starting amount, n is the number of times it compounds a year, and t is the number of years.  We have all we need to set it up:
A=9,250(1+ \frac{.07}{52} ) ^{(52)(5)}
First divide and add inside the parenthesis:
A=9,250(1.001346) ^{(52)(5)}
then multiply the exponents:
A=9,250(1.001346) ^{260}
raise the value inside the parenthesis to the power of 260:
A=9,250(1.418676)
and finally multiply to get A = $13,122.76
6 0
3 years ago
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