3 years ago

What is the m<MPart B: what is the m<Q

Mathematics

1 answer:

KengaRu [80]3 years ago

3 0

Oh okie oh gosh oh I don’t know

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The graph of the equation y=−5x+b goes through the point A(5, −2). Find the value of b.

TEA [102]

Answer:

Step-by-step explanation:

y+2=-5(x-5)

=-5x+25

subtract 2 from the left side and subtract it from the 25

y=-5x+23

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The Math Honor Society has 100 members. There are 60 juniors and 40 seniors. The bylaws state that the president has to be a sen

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40 x 60 x 98 x 97
There are 40 seniors to be president, 60 juniors to be juniors, 98 people are left since 2 were elected for president and vice president. After the Secretary has been elected, there are 97 people left. SImply multiply the numbers. There are 22,814,400 ways.

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Determine the sum of the first 9 terms in the geometric series where r= -0.25 and a1= 256.

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$\bf \qquad \qquad \textit{sum of a finite geometric sequence} \\\\ S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio}\\ ----------\\ r=-0.25\\ a_1=256\\ n=9 \end{cases}$

$\bf S_9=256\left(\cfrac{1-(-0.25)^9}{1-(-0.25)} \right)\implies S_9=256\left( \cfrac{1+0.25^9}{1+0.25} \right) \\\\\\ S_9=256\left( \cfrac{52429}{65536}\right)\implies S_9=\cfrac{52429}{256}\implies S_9=204.80078125$

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3 years ago

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Find (a) the slope of the curve at the given point P, and (b) an equation of the tangent line at P: y = 9x^2 + 5 ; P (2,41)

Flauer [41]

Answer:

(a) 36

(b) y = 36x-31

Step-by-step explanation:

(a) dy/dx = 18x

slope of tangent at (2, 41) = 18(2)

= 36

(b) using y-y1 = m(x-x1)

y-41 = 36(x-2)

y = 36x-31

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3 years ago

Find the length of the line below. A. 2 in. B. 2 3/16 in. C. 2 5/16 in. D. 3 in.

Helen [10]

Answer:

Step-by-step explanation:

Starting point is at o and ending point at 2.

So, 2 in

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2 years ago

What is the m<MPart B: what is the m<Q​

What is the m<MPart B: what is the m<Q