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Lina20 [59]
3 years ago
5

Evaluate. 5(−6)= ________

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0
5(-6)= -1 should be if not I’m sorry
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I need help with this question
Fiesta28 [93]
What is the question
8 0
3 years ago
Read 2 more answers
If a bicyclist is traveling at a speed of 10 km/h, he will be late by 1 hour. If he will travel at a speed of 15 km/h, then he w
Svetllana [295]

Answer:

The speed should he travel to arrive on time is 12 km/h  

Step-by-step explanation:

Given as :

Let the time taken by bicyclist = T h

If bicyclist travel with speed 10 km/h,

Then the time taken by him = ( T + 1 ) hours

Again

If bicyclist travel with speed 15 km/h ,

Then the time taken by him = ( T - 1 ) hours

Now Let The distance cover by bicyclist = D km = Speed × Time

So, As The distance cover is same for both case

∴  10 × (T + 1 ) = 15 × (T - 1)

Or, 2 × (T + 1 ) = 3 × (T - 1)

Or,  2 T + 2 = 3 T - 3

Or,  3 +2 = 3 T - 2 T

∴   T = 5 hour

So, Distance cover by bicyclist = D = 10 × (5 + 1 )

Or,                                                 D = 60 km

So, new speed of bicyclist with time 5 hour and distance cover 60 km

    New Speed = \frac{Distance}{Time}

Or,  New Speed = \frac{60}{5}

∴     New Speed = 12 km/h

Hence The speed should he travel to arrive on time is 12 km/h   Answer

5 0
3 years ago
Can someone answer this question if you know the answer.
timama [110]

Answer:

It's C

Step-by-step explanation:

8 0
3 years ago
X / 2 = 7 find what x represents
Masteriza [31]

Answer:

x = 14

Step-by-step explanation:

X / 2 = 7

Multiply by 2 to isolate x.

x = 7 * 2

x = 14

3 0
3 years ago
HELPPPPPP PLEASEEEEEEE
m_a_m_a [10]
Ok I’ll bet it will work for me and you
7 0
3 years ago
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