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3 years ago

Pythagoream theorem a=18 b=26 c=?

Mathematics

2 answers:

Alex_Xolod [135]3 years ago

8 0

18^2+26^2=1000
√1000=31.6
c=31.6 :D

Arisa [49]3 years ago

5 0

A^2 + b^2 = c^2
18^2 + 26^2 = c^2
324 + 676 = c^2
1000 = c^2
sqrt 1000 = c
31.62 = c

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A quadratic function has its vertex at the point (- 3, 8) . The function passes through the point (0, 0) . When written in verte

SIZIF [17.4K]

Answer:

f(x) = -8/3(x+3)+8

a = -8/3

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Step-by-step explanation:

Vertex: (h,k)

Use the points (0,0) and (-3,8) to find the slope

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3 years ago

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3 years ago

Solve 5.7y - 3.9y I is not smart lolz

denpristay [2]

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3 years ago

Pls do it fast ill mark you brainliest

anygoal [31]

Answer:

$\sf y=7\frac{2}{3}$ and $\sf x = \frac{2}{3}$

Explanation:

$\sf (1) \ \ (2x+y = 9)$

$\sf (1) \ \ (2x+5y = 37)$

<u>solve for y</u>:

$\sf 2x + y = 9$

$\sf 2x + 5y = 37$

-----------------

$\sf 0x + 6y = 46$

$\sf 6y = 46$

$\sf y=\frac{23}{3}$

$\sf y=7\frac{2}{3}$

<u>solve for x</u>:

$\sf 2x + y = 9$

$\sf 2x = 9 - y$

$\sf 2x = 9 - \frac{23}{3}$

$\sf 2x = \frac{4}{3}$

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2 years ago

(14+42-6)/10+7^2 order of operation

Rainbow [258]

Answer:

Step-by-step explanation:

$\dfrac{(14+42-6)}{10}+7^2$

Parentheses (14 + 42 - 6) = 50:

⇒ 50/10 + 7²

Exponents 7² = 49:

⇒ 50/10 + 49

Multiplication/division 50/10 = 5:

⇒ 5 + 49

Addition/subtraction: 5 + 49 = 54

⇒ 54

6 0

3 years ago