Mathematics, 25.03.2020 20:49 kadence428

Fund Raising. Suppose you have signed up for a bike-a-thon to raise money for charity. One person is sponsoring you at a rate of $0.50 per mile. Each of the other sponsors plans to donate $15 no matter how far your bike. a) Write a system of equations to model the donation d for m miles biked. b) For how many miles will all sponsors donate the same amount?

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Answer from: CorsoGod

The system of equation is $\left \{ {{d=15} \atop {d=0.5m}} \right.$ .

After 30 miles all the sponsors donate the same amount.

Step-by-step explanation:

Given:

Amount of donated by each of the other sponsors = $15

Amount donating by one person per mile = $0.5

We need to write the system of equation to model the donation d for m miles biked.

Also We need to find the number of miles all sponsors donate the same amount.

Solution:

Let the amount donated be denoted by 'd'.

Let number of miles biked be denoted by 'm'.

Now we know that;

Amount of donated by each of the other sponsors = $15

so we can say that;

d=15

Also We know that;

Amount donating by one person per mile = $0.5

So we can say that;

d=0.5m

Hence The system of equation is $\left \{ {{d=15} \atop {d=0.5m}} \right.$ .

Now to find the number of miles when all the sponsors donate the same amount we will make both the equation equal we get;

0.5m=15

Dividing both side by 0.5 we get;

$\frac{0.5m}{0.5}=\frac{15}{0.5}\\\\m=30\ miles$

Hence After 30 miles all the sponsors donate the same amount.

Answer from: Quest

Intersecting secant-tangent theorem states that if a tangent segment and a secant segment are drawn to a circle from an exterior point, then the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment.so to break it down: 1. pq acts as the tangent and ps as the secant with an intersection at p.sr = 21rp = 3x + 3pq = 4x + 4following to equation: tangent squared = the two segments multiplied by each otherso (4x + 4) ^ 2 = (3x + 3) • (21) simplifies to 16x^2 - 31x - 47 = 0 or (16x - 47)(x + 1) x = -1 or x = 47/162. pq acts as the tangent and ps as the secant with an intersection at p (again! )sr = 16rp = xpq = 15(15) ^ 2 = 16 • x225 = 16xx = 225/163. the interesting chords are proportional to each other so a ratio is possible to set up: ap dp 10 3 + x = = —— = pc pb 8 xcross multiple to get 10x = (3 + x)(8)x = 12

Answer from: Quest

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

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Fund Raising. Suppose you have signed up for a bike-a-thon to raise money for charity. One person is...

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