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maw [93]
4 years ago
14

What is the solution for the following system of equations? 5x + 7y = 3 2x + 3y = 1

Mathematics
1 answer:
zmey [24]4 years ago
8 0

Answer:

(2, -1)

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask

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Paul and Quinn share some money in a ratio 3:2, Paul gets 60 more than Quinn, how much does Quinn get
wlad13 [49]

Answer: 120

Step-by-step explanation:

3+2=5

Let x be the amount of money to be shared

Paul’s share which is (3/5)x is 60+ Quinn’s share which is (2/5)x

Therefore

(3/5)x= (2/5)x + 60

(3/5)x - (2/5)x= 60

(x/5)=60

Cross multiply

x= 60*5=300

It means that Quinn’s share is (2/5)(300)= 120

7 0
3 years ago
Read 2 more answers
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Leni [432]
C. I, II, and III
I’m sure it’s the answer not positive though, I’m sorry.
8 0
3 years ago
If you had 38/12 dollars, how much money would that be in dollars and cents (rounded to the nearest penny)?
azamat
$3.17 Just turn the improper fraction into a mixed number which would be 3 1/6. Then, turn THAT into a decimal rounded to the nearest hundredth (pennies) which leads to $3.17.
8 0
3 years ago
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Emily needs enough Fabric for 3 1/2 hats. Since she has half a hat done. If each bag requires 1 2/7 ft of Fabric, how much fabri
kow [346]

first off let's convert the mixed fractions to improper fractions.

\stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}} ~\hfill \stackrel{mixed}{1\frac{2}{7}}\implies \cfrac{1\cdot 7+2}{7}\implies \stackrel{improper}{\cfrac{9}{7}}

she already did half a hat, so we can say   \cfrac{7}{2}-\cfrac{1}{2}\implies \cfrac{7-1}{2}\implies 3

so she only needs enough fabric to make 3 more full hats, we know each one uses 9/7 ft, so

3\cdot \cfrac{9}{7}\implies \cfrac{27}{7}\implies 3\frac{6}{7}

5 0
2 years ago
Find the missing exponent.
vlada-n [284]
The missing exponent is 21 :)

Explanation: when dividing exponents, subtract them so in this case, it’s 25-19 to get 6 as the answer
6 0
3 years ago
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