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ehidna [41]
3 years ago
13

What is the solution to the system of equations? Use the substitution method.

Mathematics
1 answer:
aleksandrvk [35]3 years ago
3 0
{ y = 3 x - 4
  9x -3y = 14

Subsititute y = 3x-4 :

[ 9 x - 3 ( 3 x-14 )=14]

Refine:

9 x  - 3 ( 3 x - 4 ) = 14

- 2 = 0

is false , therefore the system of equations has no solution

Answer A

hope this helps! 
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The ratio of jumps to falls for ice skater Rhonda is 4 falls to every 15 jumps. At this rate, how many times will she not fall i
Inessa05 [86]

<u>Answer:</u>

Rhonda will not fall 264 times in 360 jumps.

<u>Solution:</u>

Given, The ratio of jumps to falls for ice skater Rhonda is 4 falls to every 15 jumps.  

We have to find At this rate, how many times will she not fall in 360 jumps.

Now,  

For 15 jumps → 4 falls

For 360 jumps → n falls

Now apply Chris cross method,

15 \times n=360 \times 4 \rightarrow n=\frac{360 \times 4}{15}=24 \times 4=96

So, she falls 96 times in 360 jumps.

Then, number of times she will not fall = 360 jumps – 96 falls = 264 times.

Hence, Rhonda will not fall 264 times in 360 jumps.

8 0
3 years ago
Jerry calculates that if he makes a deposit of $6 each month at an APR of 4.8%, then at the end of two years he'll have $100. Be
Nimfa-mama [501]

Assuming Jerry calculates that if he makes a deposit of $6 each month at an APR of 4.8%, then at the end of two years the correct balance will be: $158.5

First step is to determine Jerry total deposit

over the two years

Total deposit = 24×$5

Total deposit= $144

Now let determine what the correct balance will be at end of two years

Using this formula

Maximum Amount=Principal (1+r)^t

<em>Where</em>:

Principal=$144

r=4.8%/12 = 0.4% or 0.004

t=24 months

Let plug in the formula

Maximum Balance = $144 (1.004)^24

Maximum Balance  = $158.5

Based on the above calculation both Jerry $100 and Benny $163 balance are  ​eliminated or rule out because the correct balance after two years is $158.5

Inconclusion Assuming Jerry calculates that if he makes a deposit of $6 each month at an APR of 4.8%, then at the end of two years the correct balance will be: $158.5

Learn more here:

brainly.com/question/3658861

4 0
3 years ago
A serviceman with two children has monthly salary of Rs 22800. He has got tax free
Sonbull [250]

Answer:

answer below :) hope this helps!

Step-by-step explanation:

Amount invested in Civil investment fund= 10% of 96000 = \frac{10}{100} x 96000 = 10 x 960= 9600

remaing taxable amount = =96000 -(75000+9600)

                             = 96000 - 84600

                             = Rs. 11400

Tax = 15% of 11400

= \frac{15}{100} x 11400 = 15 x 114 = 1710

again, i hope this helps :)

4 0
3 years ago
!!!!!PLEASEE HELP VIEW PICTURE!!!!
Effectus [21]

Answer:

123°

Step-by-step explanation:

Since, measure of minor arc is equal to the measure of its corresponding central angle.

Measure of central angle = 123°

So,? = 123°

3 0
3 years ago
Segment Line segment X Y is dilated using a scale factor of Two-thirds through P. Which segment shows the correct result of the
garik1379 [7]

Answer:

We need the segments but which ever one has the segment that is 2/3 times the length of segments xy

Step-by-step explanation:

4 0
3 years ago
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