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Alex17521 [72]
2 years ago
7

Please Help me with these 2 questions!!

Mathematics
2 answers:
klio [65]2 years ago
8 0

Answer:

Step-by-step explanation:

3. A parabola (view that attached graph)

4.

b. y = 5x² + 7

e. y = 10/x + 20

Hope this helps!

qaws [65]2 years ago
4 0

Answer:

3) Parabola

4) y = 5x^2 + 7   and   y = \frac{10}{x} +20

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Which numbers are solutions to the inequality
Helga [31]

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0,2,4

Step-by-step explanation:

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20 equals more than a number y
riadik2000 [5.3K]

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20 > y

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20 is greater than y.

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From 7x^2+5xy-3y^2 subtract the sum of 2x^2+3xy-5y^2 and x^2-7xy-4y^2
Crazy boy [7]

Answer:

  4x^2 +9xy +6y^2

Step-by-step explanation:

Combine like terms. I find it useful to factor out the variable part of the expression so I can see what coefficients are being combined.

  7x^2+5xy-3y^2 - (2x^2+3xy-5y^2 + x^2-7xy-4y^2)

  = (7 -2 -1)x^2 +(5 -3+7)xy +(-3 +5 +4)y^2

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5 0
3 years ago
HELP PLS TT^TT 20 POINTS
ki77a [65]

Answer:

Through ASA axiom.

Step-by-step explanation:

It should be by ASA axiom.

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5 0
3 years ago
Which ratio is higher 15:20 or 12:16. for 35 points
Margarita [4]

To find which ratio is higher, we can first convert the ratios into fractions (that makes it easier, at least for me) and then simplify the fractions and see which one is greater.

Since ratios are basically division, 15:20 = \frac{15}{20}, and

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Now we simplify these fractions. 15 and 20 have a GCF of 5, so taking out the common number gives us the simplified fraction of \frac{3}{4}.

12 and 16 have a GCF of 4, so taking out the common number gives us the simplified fraction of \frac{3}{4}. Since \frac{3}{4} = \frac{3}{4}, these ratios are the same.

8 0
3 years ago
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