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2 years ago

Calculate the average speed of the car in m/s

Mathematics

1 answer:

Alina [70]2 years ago

3 0

Answer:

14.4 m/s

Step-by-step explanation:

The speed of the car can be found by dividing the distance by the time. The distance is 0.8m 9 times or 0.8(9)=7.2 meters and the time is 0.5 seconds

$s=\frac{d}{t} \\s=\frac{7.2}{0.5} \\s=14.4$

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2.Each purse contains 8 coins. Find a rule to give the total number of coins.

Masja [62]

If we have to find the total number of coins then we can use the following rule:

If Each Purse Contains 8coins ,then we can find total number of coins by multiplying 8 to the number of total purse

Thus,

︎⠀⠀ ⠀⠀ ⠀⠀ ⠀︎⠀⠀ ⠀⠀ ⠀8×Total Number of Purse.

4 0

2 years ago

X = ????????? Geometry

bazaltina [42]

Answer:

$\boxed{x = 6}$

Step-by-step explanation:

Using Chord-Chord Power theorem:

=> (2)(x) = (4)(3)

=> 2x = 12

Dividing both sides by 2

=> x = 6

7 0

2 years ago

What’s is the formula for the fill arithmetic sequence? -9,-2,5,12

bija089 [108]

Answer:

a +d = a2

Step-by-step explanation:

-2 - (-9) =

-2+9=7

a + d = a2

4 0

3 years ago

Figure out the pattern, and write the next number. 2,6,21,88

bija089 [108]

Answer:
a5=445

Explanation:
a of n=(a+1)*n
a1=2
I found the pattern to add 1 to the previous number and then multiply it by its number in the sequence. Apologies for the terrible format of my recursive formula.
Proof of pattern:
(2+1)*2=6
(6+1)*3=21
(21+1)*4=88
a5=(88+1)*5=445

6 0

2 years ago

1/2(-10x+4)= -4(-3+2x)+8

bezimeni [28]

Answer:

6 is the answer

Step-by-step explanation:

8 0

3 years ago