Write two decimals that can be rounded to 4.26

Mathematics

2 answers:

damaskus [11]4 years ago

6 0

4.258 and 4.261

Hope its correct to the 30% correct/

Lyrx [107]4 years ago

5 0

In rounding, a number must be 5 or more to round up, and 4 or less to round down.

To round up to 4.26 you would need a number between 4.255 and 4.264

4.258 and 4.261 are two examples

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Simplify the following expressions using the properties of exponents. Please show your work.

Rus_ich [418]

Answer:

${a}^{0} = 1 \\ {a}^{1} \times {a}^{4} = {a}^{4 + 1} = {a}^{5} \\ {4}^{2} = 16\\ \\ = \frac{2}{4 \times {4}^{2} \times {a}^{5} } \\ = \frac{1}{32 {a}^{5} }$

8 0

2 years ago

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

5 0

3 years ago

I WILL GIVE A FREAKING BRAINLIEST!!!!!!!!!!!

UkoKoshka [18]

Answer:

0.5 < t < 2

Step-by-step explanation:

The function reaches its maximum height at ...

t = -b/(2a) = -16/(2(-16)) = 1/2 . . . . . . where a=-16, b=16, c=32 are the coefficients of f(t)

The function can be factored to find the zeros.

f(t) = -16(t^2 -1 -2) = -16(t -2)(t +1)

The factors are zero for ...

x = -1 and x = +2

The ball is falling from its maximum height during the period (0.5, 2), so that is a reasonable domain if you're only interested in the period when the ball is falling.