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Yanka [14]
3 years ago
6

Solve 16^z+2 *64^z-2

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
5 0

Answer:

Simplify -> 16^z + 2^1+6z - 2

Step-by-step explanation:

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A number is increased by 30, and the
Novosadov [1.4K]

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The original number is 17.

Step-by-step explanation:

3(x+30)=141\\\\\frac{3(x+30)}{3}=\frac{141}{3}\\\\x+30=47\\\\x+30-30=47-30\\\\x=17

4 0
3 years ago
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Step-by-step explanation:

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3 years ago
The point (3,0) lies on a circle with the center at the origin. What is the area of the circle to the nearest hundredth?
juin [17]

we know that

the equation of a circle with the center at the origin is equal to

x^{2} +y^{2} =r^{2}


step 1

with the point (3,0) find the value of the radius

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x=3\\ y=0

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so

3^{2} +0^{2} =r^{2}

3^{2} =r^{2}

r =3


step 2

with the radius find the area of the circle

area of the circle is equal to

A=\pi *r^{2}

for r=3

A=\pi *3^{2}

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therefore


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the area of the circle to the nearest hundredth is A=28.27units²

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Answer:

Step-by-step explanation:

\\\begin{array}{|c|c|c||c|c|c|}x&y&\Delta y&x&y&\Delta y\\---&---&---&---&---&---\\0&-6&-1.5&0&6.1&-4\\1&-4.5&-1.5&1&6.1&-4\\2&-3&-1.5&2&-1.9&-4\\3&1.5&-1.5&3&-5.9&-4\\---&---&---&---&---&---\\\end {array}\\\\Tables\ representent\ lines\\\\First\ line: \ passing\ through\ (0,-6)\ and\ (2,-3)\:\\\\y+6=\dfrac{3} {2} (x-0) \ or\  y=\dfrac{3} {2} x-6\\\\\\Second \ line: \ passing\ through\ (0,6.1)\ and\ (1,2.1\:\\\\y-6.1=-4(x-0) \ or\  y=-4x+6.1\\\\Solution\ of\ the\ system\\\\

\Bigg\{\begin{array}{ccc}y&=&\dfrac{3}{2}x-6 \\y&=&-4x+6.1\\\end {array} \right.\\\\\\\Bigg\{\begin{array}{ccc}y&=&-4x+6.1\\\dfrac{3}{2}x-6&=&-4x+6.1 \\\end {array} \right.\\\\\\\Bigg\{\begin{array}{ccc}x&=&2.2\\y&=&-2.7 \\\end {array} \right.\\\\

4 0
3 years ago
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