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3 years ago

I need your help on geometry finals question 14

Mathematics

2 answers:

VMariaS [17]3 years ago

6 0

Answer:

C. DE=52

Step-by-step explanation:

Because the triangle is equilateral (all sides being equal), the half of each side is equal to the sides of the smaller triangle. Since BC=26, DE would be double.

Tpy6a [65]3 years ago

6 0

Answer:

Step-by-step explanation:

Applying Thales' Theorem

(DE) / (2AB) = 26 / (AB)

DE = (2AB)*26/ (AB)

DE = 2*26

DE = 52

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3 years ago

2) At the store Julie bought a shirt for $23.97, which was 25% off the original price. Which of these should she use to find x,

Scrat [10]

Answer:

0.75x = 23.97

Step-by-step explanation:

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3 years ago

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Shalnov [3]

Answer:

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Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

The work W required to move a particle from a far distance to within radius r of another particle varies jointly as the product

tangare [24]

Answer:

W = kq1q2 / r

Step-by-step explanation:

W varies jointly as the product of q1 and q2 and inversely as radius r

Product of q1 and q2 = q1q2

W = (k*q1"q2) / r

W = kq1q2 / r

Where,

W = work

q1 = particle 1

q2 = particle 2

r = radius

k = constant of proportionality

The answer is W = kq1q2 / r

5 0

4 years ago

Since 2010, when 102390 Cases were reported, each year the number of new flu cases decrease to 85% of the prior year. Predict th

BaLLatris [955]

Answer:

20,158 cases

Step-by-step explanation:

Let $t=0$ represent year 2010.

We have been given that since 2010, when 102390 Cases were reported, each year the number of new flu cases decrease to 85% of the prior year.

Since the flu cases decrease to 85% of the prior year, so the flu cases for every next year will be 85% of last year and decay rate is 15%.

We can represent this information in an exponential decay function as:

$F(t)=102,390(1-0.15)^t$

$F(t)=102,390(0.85)^t$

To find number of cases in 2020, we will substitute $t=10$ in our decay function as:

$F(10)=102,390(0.85)^{10}$

$F(10)=102,390(0.1968744043407227)$

$F(10)=20,157.970260446597\approx 20,158$

Therefore, 20,158 cases will be reported in 2020.

3 0

3 years ago