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Mathematics

1 answer:

olasank [31]3 years ago

8 0

Answer:

can you write that a lil better

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Triangle D E F is shown. Use ΔDEF to complete the statements. Angle E is the included angle between sides . The included angle b

Tanya [424]

Answer:

Angle E is the included angle between sides DE and EF.

The included angle between sides FE and DF is angle F

Step-by-step explanation:

Given

$\triangle D EF$

Required

Complete the blanks

To solve this, I will attach an illustration of $\triangle D EF$

From the attached image of $\triangle D EF$ , we can see that"

$\angle E$ is between DE and EF

$\angle F$ is between FE and DF

6 0

3 years ago

As a motorcycle accelerates at 5.1 m/s2, its speed changes from 16 km/h to 118 km/h. How long does this take?

ser-zykov [4K]

Acceleration (a) = 5.1 m/s²
Initial speed (u) = 16 km/h ⇒ $\frac{16*1000}{3600}$ m/s ≈ 4.5m/s
Final speed (v) =118 km/h ⇒ $\frac{118*1000}{3600}$ m/s ≈ 32.8m/s

Distance(S) travel in that particular instant is carried out by 'Third equation of motion' i.e., v² = u² + 2aS

So, When all quantities are in S.I. unit then,
putting the values in the equation of motion,

As we have to carry out the distance covered,
2·a·S = v² - u²
S = $\frac{ v^{2} - u^{2} }{2a}$
Putting values in derived equation,
⇒ S = $\frac{ (32.8)^{2} - (4.5)^{2} }{2*(5.1)}$
⇒ S = $\frac{ 1075.84 - 20.25}{10.2}$
⇒ S = $\frac{1055.59}{10.2}$
⇒ S ≈ 103.489 m

The total distance covered in that given condition is approx. 103.289 m.

8 0

3 years ago

Read 2 more answers

Which expression is equivalent to16a + 24b?

ivanzaharov [21]

$8(2a+3b) \\ 4(4a+6b) \\ 2(8a+12b)$