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tester [92]
3 years ago
11

Ben can type 25 words in half a minute. At this rate, how many words can he type in 5 minutes?

Mathematics
2 answers:
finlep [7]3 years ago
7 0

Answer:

CCCC!!!!!

Step-by-step explanation:

mestny [16]3 years ago
5 0

Answer:

The answer is C ФωФ

Step-by-step explanation:

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Insurance company executives surveyed 200 young adults about their first motor vehicle. The results of the survey are given in t
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d

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i took the test

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Factorise the following : ​
Free_Kalibri [48]

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(3x+4b)(a-2y)

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(3ax-6xy)+(8by-4ab)

3x(a-2y) -4b(-2y+a)

(3x+4b) (a-2y)

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3 years ago
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Find an equation of the parabola y = ax2 + bx + c that passes through (0, 1) and is tangent to the line y = 4x − 4 at (1, 0).
larisa86 [58]
We are given the following:
          - parabola passes to both (1,0) and (0,1) 
<span>          - slope at x = 1 is 4 from the equation of the tangent line </span>

<span>First, we figure out the value of c or the y intercept, we use the second point (0, 1) and substitute to the equation of the parabola. W</span><span>hen x = 0, y = 1. So, c should be equal to 1. The</span><span> parabola is y = ax^2 + bx + 1 </span>

<span>Now, we can substitute the point (1,0) into the equation,
</span>0 = a(1)^2 + b(1) + 1 
<span>0 = a + b + 1
a + b = -1 </span>

<span>The slope at x = 1 is equal to 4 which is equal to the first derivative of the equation.</span>
<span>We take the derivative of the  equation ,
y = ax^2 + bx + 1</span>
<span>y' = 2ax + b 
</span>
<span>x = 1, y' = 2
</span>4 = 2a(1) + b 
<span>4 = 2a + b </span>

So, we have two equations and  two unknowns,<span> </span>
<span>2a + b = 4 </span>
<span>a + b = -1 
</span><span>
Solving simultaneously,
a = 5 </span>
<span>b = -6</span>

<span>Therefore, the eqution of the parabola is y = 5x^2 - 6x + 1 .</span>
6 0
3 years ago
Is 2/8 greater than 1/2
Musya8 [376]

Answer: No it's less than 1/2. 4/8 would be equal to 1/2

Step-by-step explanation:

6 0
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What is 2 times 3/11
Diano4ka-milaya [45]

Answer:

0.54545454545

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