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AfilCa [17]
3 years ago
6

Solve the equations x^2+2y^2=9 X+y=3

Mathematics
1 answer:
kramer3 years ago
5 0
I got (3,0) and (1,2), i don't know if that's what it is asking.
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Tell me the answer please. Give me a short answer and a step-by-step explanation.
Lelu [443]

Answer:

A) 100 + 5x = y

    10 + 20x = y

Step-by-step explanation:

100 is the amount Andre started with and 5x is the 5 he adds each week

10 is the amount Elena started with and 20x is the 20 she adds we week

3 0
4 years ago
Bobby's investment of $225,000 loses value at a rate of 3% per year. Use an exponential function to find the value of the invest
My name is Ann [436]

Answer:

Step-by-step explanation:

6 0
3 years ago
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Muhammad owns 8 fewer swim suits than Charlie. Let k represent the number of Charlie's swim suits. Identify the expression that
andre [41]

Answer:

Number of Muhammad's swim suits = k - 8

Step-by-step explanation:

Given:

Number of Charlie's swim suits = K

Number of Muhammad's swim suits = 8 less than Charlie

Find:

Expression [Number of Muhammad's swim suits]

Computation:

Number of Muhammad's swim suits = 8 less than Charlie

Number of Muhammad's swim suits = k - 8

6 0
3 years ago
Sara goes to Fredonia University. She has $900 in her savings account. she needs to buy a small laptop computer before the next
podryga [215]
Given:
Saving amount = $900
Cost of Laptop = $600
Cost of food = $60 every 2 weeks

Let x be the number of times Sara can withdraw money for food. The inequality would be:

60x + 600 <u><</u> 900

60x + 600 <u><</u> 900 
 <u>       - 600      -600</u>
60x             <u><</u> 300
<u>÷ 60                 ÷60</u>
     x             <u>< </u>5

Sara can withdraw money 5 times or less for food. 
6 0
3 years ago
Read 2 more answers
Can someone please help
Andrews [41]

Answer:

5\sqrt{6}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Given

\sqrt{150}

= \sqrt{25(6)}

= \sqrt{25} × \sqrt{6}

= 5\sqrt{6}

3 0
3 years ago
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