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skelet666 [1.2K]
3 years ago
9

Help please with Algebra 1 work( I will give brainliest)

Mathematics
1 answer:
Licemer1 [7]3 years ago
6 0
#8 is C
#9 is D
#10 is C
#11 is A
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In a sprint to the finish, a professional cyclist travels 380 meters in 20 seconds. At that rate, how many meters will the cycli
lutik1710 [3]

Answer:

133m

Step-by-step explanation:

Rate can be defined as the measure of a quantity with time

Rate the professional cyclist travels =380/20

To know the rate rate, in meters will the cyclist travel in 7 seconds then we equate the rate above as

380/20= x/7

Cross multiply

380×7=20X

2660= 20x

X=133m

Hence, the rate rate, in meters will the cyclist travel in 7 seconds is 133m

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3 years ago
Can y = sin(t2) be a solution on an interval containing t = 0 of an equation y + p(t) y + q(t) y = 0 with continuous coefficient
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Answer:

Step-by-step explanation:

y = sin(t^2)

y' = 2tcos(t^2)

y'' = 2cos(t^2) - 4t^2sin(t^2)

so the equation become

2cos(t^2) - 4t^2sin(t^2) + p(t)(2tcos(t^2)) + q(t)sin(t^2) = 0

when t=0, above eqution is 2. That is, there does not exist the solution. so y can not be a solution on I containing t=0.

7 0
3 years ago
To solve a problem, we often _________ the given information into algebraic expressions and equations.
bulgar [2K]
\frac{-b\pm\sqrt{b^2-4ac}}{4a}
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4 years ago
All trapezoids are parallelograms.<br><br> A. True<br> B. False
ale4655 [162]

Answer:

True

parallelogram is a quadrilateral with two pairs of parallel sides. A trapezoid has one pair of parallel sides .

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3 years ago
Alejandro bought $3.50 worth of pencils and erasers at the school store. Pencils cost $0.50 apiece, and erasers cost $0.75 apiec
Bezzdna [24]

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I would say that is is B

Step-by-step explanation:

Just put the answer

Please make be brainliest or like rate my answer please and thanks <3

5 0
3 years ago
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