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stealth61 [152]
3 years ago
5

There were 165 donors last year. Find the number of donors this year using each of the expressions. Do you get the same number w

ith each of the expressions?
Mathematics
1 answer:
pochemuha3 years ago
4 0

Answer:

We need to see the expressions given

Step-by-step explanation:

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Find the equation of the line that is perpendicular to y=-2x-9 and contains the points (8,-4)
avanturin [10]

The slope of the given line is -2, and since perpendicular lines have negative reciprocal slopes, the slope of the line we want to find is 1/2.

Substituting into point-slope form,

y+4=\frac{1}{2}(x-8)\\\\y+4=\frac{1}{2}x-4\\\\\boxed{y=\frac{1}{2}x-8}

6 0
1 year ago
Hi can anybody tell me the answer please
Dmitriy789 [7]

Answer:

x = 14 cm

Step-by-step explanation:

200 000 cm = 2 km

1 cm ............... 2km

x cm ..............28 km

x = 28*1/2 = 28/2 = 14 cm

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3 years ago
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The ellipse 14x2+2x+y2=114x2+2x+y2=1 has its center at the point (b,c)(b,c) where
Nana76 [90]
18x^2 + 2x + y^2 = 1 
<span>==> 18(x^2 + x/9) + y^2 = 1 </span>
<span>==> 18(x^2 + x/9 + 1/324) + y^2 = 1 + 1/18 </span>
<span>==> 18(x + 1/18)^2 + y^2 = 19/18 </span>
<span>==> (x + 1/18)^2/19 + (y - 0)^2/(19/18) = 1. </span>

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3 years ago
Y =f(x)=-3^x Find f(x) when x =1
Dominik [7]

Replace the x in -3^x by 1

Answer is -3^1  = -3

3 0
3 years ago
. mervin needs cash and he needs it now. he goes to advanced financial and takes out a loan of 300.00. advanced financial calls
Cloud [144]

Mervin's loan of $300 is an illustration of compound interest

The interest to pay back in 5 months is $74.2, and the amount to pay back in 5 months is $374.2

<h3>The interest to pay back in 5 months</h3>

The given parameters are:

  • Principal, P =$300.00
  • Rate, r = 70%
  • Time, t = 5 months

The compound interest is calculated as:

CI = P * (1 + r)^(t/12) - P

Substitute known values

CI = 300 * (1 + (0.70))^(5/12) - 300

Evaluate the expression

CI = 74.2

Hence, the interest to pay back in 5 months is $74.2

<h3>The amount to pay back in 5 months</h3>

The amount (A) is calculated using:

A = CI + P

This gives

A = 74.2 + 300

A = 374.2

Hence, the amount to pay back in 5 months is $374.2

Read more about compound interest at:

brainly.com/question/24924853

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2 years ago
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