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stich3 [128]
3 years ago
10

Fifteen more than z times 6 is 11 less than y times 2

Mathematics
1 answer:
nata0808 [166]3 years ago
7 0
<h3>Given:</h3>

Fifteen more than z times 6 is 11 less than y times 2

<h3>Solution:</h3>

Fifteen more than z times 6 = 6z + 15

11 less than y times 2 = 2y - 11

<h2>Answer:</h2>

6z + 15 = 2y - 11

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Triangle ABC is isosceles where AC = CB. AC = 6a - 8 and CB = 4a - 2. Find AC.​
anastassius [24]

Answer:

10

Step-by-step explanation:

AC = CB

6a - 8 = 4a - 2

a = 3

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3 years ago
Which function describes this table of values?
Daniel [21]

Answer:

y = \frac{1}{2}x +2

Step-by-step explanation:

From the table of function given, you would observe that if you subtract 2 from half of the x-variable values, you'd get the y-variable values.

For example, half of -8 = -4. If you add 2 to -4, you'd get: -4 + 2 = -2. Same applies to other x-values on the table.

Thus, an expression for the function represented by the table values can be written as,

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3 years ago
(X^4)-(45x^2)+324 what are the zeroes? And how many turning points?
dmitriy555 [2]

Zeroes:

We must solve

x^4-45x^2+324=0

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t^2-45t+324=0

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t=9,\quad t=36

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x^2=9 \iff x=\pm 3,\quad x^2=36 \iff x=\pm 6

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Turning points:

Turning points are points where a function stops being increasing to become decreasing, or vice versa. Since functions are increasing when their first derivative is positive and decreasing when it's negative, turning points are points where the first derivative is zero.

We have

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If we set the derivative to be zero, we have

4x^3-90x=0 \iff x(4x^2-90)=0

So, the derivative is zero if x=0 or

4x^2=90 \iff 2x^2=45 \iff x^2=\dfrac{45}{2}\iff x=\pm\sqrt{\dfrac{45}{2}}

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Get on mathpapa is shows you the answer and how to explain it
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3 years ago
Read 2 more answers
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