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Alex17521 [72]
3 years ago
9

Solve for x in the two equations below using substitution 12x-6y=60 24x+6y=300

Mathematics
1 answer:
lions [1.4K]3 years ago
4 0

Answer:

x = 10

Step-by-step explanation:

Given the 2 equations

12x - 6y = 60

24x + 6y = 300

Adding the 2 equations term by term will eliminate the y- term, that is

36x + 0 = 360

36x = 360 ( divide both sides by 36 )

x = 10

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Answer:

36 more students of grade 7 went on a trip than students of grade 6

Step-by-step explanation:

60 % of 110 students= 60/100*110= 66 students

85 % of 120 students= 85/100 * 120= 102 students

No of students of grade 7th more than 6th grade students= 102-66= 36

6 0
3 years ago
In order to join a dancing club, there is a $30 startup fee and a $4 monthly fee. Write an equation in slope-intercept form that
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Answer:

B

Step-by-step explanation:

$30 is your startup fee. You automatically pay that to join. When is is also $4 per month, you pay that much times however many months there are.

6 0
3 years ago
Which value of x is a solution of the inequality?
Yuki888 [10]

Answer:

x = 4.

Add-on:

hope that helped at all.

3 0
3 years ago
Read 2 more answers
What is the yield on a corporate bond with a $1000 face value purchased at a discount price of $925, if it pays 6% fixed interes
KengaRu [80]

For a $1000 face value purchased at a discount price of $925, if it pays 6% fixed interest for the duration of the bond is the yield on a corporate bond mathematically given as

Yield = 6.5%

<h3>What is the yield on a corporate bond?</h3>

Generally, the equation for the interest paid is mathematically given as

Interest paid = value of bond x Interest rate

Interest paid = 1000 * 6%

Interest paid = 60

Therefore

Yield = Interest paid / Price paid

Yield = (60 / 925)x 100

Yield = 6.5%

In conclusion, the yield on a corporate bond is
Yield = 6.5%

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brainly.com/question/2236179

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3 0
2 years ago
You are responsible for purchasing uniforms fro the members of your softball team The uniform consists of a matching shirt and s
melomori [17]

15(17+y) <300

15*17 = 255

255 + 15y < 300

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y = 45/15

y = 3

so most you can spend is $3 per pair of socks


5 0
3 years ago
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