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Andrews [41]
3 years ago
8

Write and exponential and a linear equation using the following points: (0,9) and (1,10.8)

Mathematics
2 answers:
lilavasa [31]3 years ago
5 0
The linear equation for it is y= 1.8x+9
Sergeeva-Olga [200]3 years ago
5 0

I had a delta math and it asked me this question

Linear equation: y=1.8x+9

Exponential equation y=9(1.2)^x

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A softball player throws a ball into the air with an initial velocity of 32 feet per second. The ball is released at a height of
Flura [38]

The time that the ball is in the air if the player lets the ball drop is 2.145 sec

What is a quadratic equation?

A quadratic equation is an algebraic equation of the second degree in x. The quadratic equation in its standard form is ax²+ bx + c = 0, where a and b are the coefficients, x is the variable, and c is the constant term.

-16t²+32t+5

by comparing this equation to the standard form of the quadratic equation we get

a=-16 b=32 c=5

the time (t) needed for the ball to reach its maximum height using the axis of symmetry formula (x = -b/2a) for a parabola:

the time at which the ball reaches the maximum height using the axis of symmetry formula is (x=-b/2a)

t = -32/2×-16

t=1sec

by putting h(t) to zero and determining the time (t) when the ball hits the ground:

-16t²+32t+5=0

-16(t²+2t+5/16)=0

t²-2t-5/16=0

(t)²-2×1×t+(1)²-5/16=1

(t-1)²=21/16

t-1=√21/√16

t=1+4.58/4

t=1+1.145

t=2.245sec

Learn more about quadratic equations here:

brainly.com/question/1214333

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6 0
1 year ago
Ricardo S. gave 158 baseball cards to Ayden and 45 cards to Conner. He had 42 cards left. how many baseball cards did Ricardo S.
Inessa05 [86]

Answer:

203 ;  245

Step-by-step explanation:

158 + 45= 203

question 2

203+42= 245

3 0
3 years ago
Read 2 more answers
If you want 2 cookies and you only have.50 cents and the cookies cost 10 dollars how much money will you have to get if you only
scoray [572]

Answer:

The answer would be 15 cookies.

Step-by-step explanation:

Cookies = 24 cents each

Pop = 45 cents each

4 0
2 years ago
Read 2 more answers
convert the following logarithmic equation to the equivalent exponential equation. Use the caret (^) to enter exponents. y=ln x
GarryVolchara [31]
1. To solve this problem, you need to remember that an exponential function has the following form:
 
 f(x)=a^x
 
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 2. It is important to know that the logarithmic functions  and the exponential functionsare inverse. Then, you have:
 
 <span>y=ln x
</span> e^y=e^(lnx)
<span> e^y=x
 
 3. Therefore, the answer is:
</span> 
 x=
<span>e^y</span>
5 0
3 years ago
Stanley makes a $500 investment and then carefully tracks the value as time goes by. At first, the value of Stanley's $500 inves
mafiozo [28]
You would of taken 28 dollars away after 7 days because if your taking away 4$ each day you just have to figure out 4 times what equals 28 witch is 7

So the answer is 7 days
5 0
3 years ago
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