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icang [17]
3 years ago
6

What are the solutions to the equation 3(X -4)(X +5) =0

Mathematics
1 answer:
cestrela7 [59]3 years ago
4 0
Answer should be: X = 4, -5
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What is an explicit formula for the geometric sequence 64,16,4,1,... where the first term
olya-2409 [2.1K]

Answer:

A

Step-by-step explanation:

The explicit formula for a geometric sequence is

f(n) = f(1) (r)^{n-1}

where f(1) is the first term and r the common ratio

Here f(1) = 64 and r = \frac{f(2)}{f(1)} = \frac{16}{64} = \frac{1}{4} , then

f(n) = 64 (\frac{1}{4}) ^{n-1} → A

7 0
2 years ago
Points S,U, and T are the midpoints of the sides of PQR. Which statements are correct ? 1/2QP=UT 1/2TS=RQ SU=PR SU||RP UT=RP
cricket20 [7]

Answer:

\frac{1}{2} QP = UT

Step-by-step explanation:

GIVEN : In ΔPQR

              S is the mid point of QP

              U is the mid point of PR

              T is the mid point of  QR

Solution :

i) is true i.e \frac{1}{2} QP = UT

Refer the attached file

By mid segment theorem i.e. In a triangle, the line joining the midpoints of any two sides will be parallel to the third side and that same line joining the midpoints is also half of length of third side .

UT is the line joining the two mid points . So, by theorem given above UT is parallel to PQ and  1/2QP=UT.

So, (i) statement is true i.e. \frac{1}{2} QP = UT

6 0
3 years ago
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IgorLugansk [536]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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The probability that Roberto throws a baseball in the strike zone on one pitch is 0.72. Roberto throws a baseball 3 times in a r
Westkost [7]
I actually just finished this assignment: 
<span>
These are binomials with n = 3 and p = 0.72</span>

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P(X=1) = 3C0 (0.72^1)(0.28^2) = 0.169
P(X=2) = 3C0 (0.72^2)(0.28^1) = 0.435
P(X=3) = 3C0 (0.72^3)(0.28^0) = 0.373 </span>

<span>Notice how they all equal 1.</span>

8 0
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