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olchik [2.2K]
3 years ago
7

Bob had 51 baseball cards. He gave away 17 baseball cards. How many baseball cards, c, does Bob have left? Choose the answer tha

t represents the correct equation and solution.

Mathematics
2 answers:
murzikaleks [220]3 years ago
6 0

total number of baseball cards left with Bob are 34.

Mrac [35]3 years ago
4 0

Answer:

Step-by-step explanation:

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(trigonometry) write the tangent ratios for angle P and angle Q. if needed reduce fractions
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Step-by-step explanation:

tan P = \frac{16}{12} = \frac{4}{3}

tan Q = \frac{3}{4}

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List an Order Pair from each of the 4 quadrants and tell which quadrant each point is in.
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( 1 ,2)  is in first quadrant

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What is the solution to x + 7 = 27
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(1 point) consider the function f(t)=⎧⎩⎨⎪⎪⎪⎪0,−5,−6,6,t<00≤t<11≤t<7t≥7;f(t)={0,t<0−5,0≤t<1−6,1≤t<76,t≥7; 1. wr
sergij07 [2.7K]
f(t)=\begin{cases}0&\text{for }t

Recall that

u(t)=\begin{cases}0&\text{for }t

Take it one piece at a time. For t\ge0, we can scale u(t) by -5:

-5u(t)=\begin{cases}0&\text{for }t

If we shift the argument by 1 and scale by -5, we have

-5u(t-1)=\begin{cases}0&\text{for }t

so if we subtract this from -5u(t), we'll end up with

-5u(t)+5u(t-1)=\begin{cases}0&\text{for }t

For the next piece, we can add another scaled and shifted step like

-6u(t-1)+6u(t-7)=\begin{cases}0&\text{for }t

so that

-5u(t)+5u(t-1)-6u(t-1)+6u(t-7)=\begin{cases}0&\text{for }t

For the last piece, we add one more term:

6u(t-7)=\begin{cases}0&\text{for }t

and so putting everything together, we get f(t):

f(t)\equiv-5u(t)+5u(t-1)-6u(t-1)+6u(t-7)+6u(t-7)
f(t)\equiv-5u(t)-u(t-1)+12u(t-7)
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3 years ago
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