Correct answers only please!

Mathematics

2 answers:

Svetradugi [14.3K]3 years ago

8 0

Step-by-step explanation:

OLEGan [10]3 years ago

4 0

Answer:

Answer:

Yes . Divide by 6 for 18/6. 18/6= 3, 3/3=1

18/6= 3

3/1= 3

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A cyclist rides down a long straight road at a velocity (in m/min) given by v(t)=400-20t, for 0≤t≤10, where t is measured in min

Naya [18.7K]

Answer:

A. 1,500m

B. 2000m

C. 1875m

Step-by-step explanation:

A. Here, we simply substitute the value of t in the equation.

t = 5min

V(t) = 400 - 20t

= 400 - 20(5)

= 400 - 100 = 300m/min

Now we know that distance = speed * time = 300 * 5 = 1,500m

2. Substitute t = 10

V = 400 - 20(10) = 400 - 200 = 200m/min

Distance = speed * time = 200 * 10 = 2000m

3. Here we need to calculate time

Rearranging the equation:

20t = 400 - V(t)

20t = 400 - 250

20t = 150

t = 150/20 = 7.5min

Distance traveled = 250 * 7.5 =1875m

7 0

3 years ago

C^1/2+c^1/3 for c=64

prisoha [69]

Answer:

Step-by-step explanation:

$\huge {c}^{ \frac{1}{2} } + {c}^{ \frac{1}{3} } \\ \\ \huge = {64}^{ \frac{1}{2} } + {64}^{ \frac{1}{3} } \\(plug \: c = 64) \\ \\ \huge = { ({8}^{2}) }^{ \frac{1}{2} } + {( {4}^{3} )}^{ \frac{1}{3} } \\ \\ \huge = {8}^{2 \times \frac{1}{2} } + {4}^{3 \times \frac{1}{3} } \\ \\ \huge = 8 + 4 \\ \\ \huge = 12$