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ryzh [129]
2 years ago
10

(Need help) (ASAP) Point: 18

Mathematics
1 answer:
Anastasy [175]2 years ago
7 0

Answer:

10

Step-by-step explanation:

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A car whose acceleration is constant reaches a speed of
Sergeu [11.5K]

Answer:

  12.5 s

Step-by-step explanation:

If acceleration is constant, speed is proportional to time. To increase the speed by 50 km/h, the car will need an additional time given by ...

  t/(50 km/h) = (20 s)/(80 km/h)

  t = (20 s)(50/80) . . . . . multiply by 50 km/h

  t = 12.5 s

It will take 12.5 more seconds for it to reach a speed of 130 km/h.

3 0
3 years ago
Read 2 more answers
Which point of concurrency is the center of gravity in a triangle
ipn [44]
Answer: centroid
Reasoning: The centroid is the point of concurrency of the three medians in a triangle.
3 0
3 years ago
David has been tasked with tracking the number of bagels sold (y) at freddy's 24-hour bagel shop from 12: 00 am (*= 0) to 12: 00
mafiozo [28]

Answer:

53 bagels

Step-by-step explanation:

The number of bagels, y sold is a function of the square of the time (x) plus 4.

Therefore:

y=x^2+4

Number of Hours from 12.00 am to 7:00 am =7

At x=7

The number of bagels sold,

y=7^2+4\\=49+4\\=53\\

The bagel shop sold 53 bagels from 12: 00 am to 7: 00 am.

7 0
3 years ago
Hey need help real quick!<br> factor x^2 - 4x^3
dezoksy [38]
Answer: x^2(1-4x)
Explanation: factor x^2 out of x^2 - 4x^3
4 0
3 years ago
To the nearest millimeter, a cell phone is 105 mm long and 66 mm wide. What is the ratio of the width to the length?
makvit [3.9K]

Answer:

22:35

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator

GCD of 66 and 105 is 3

Divide both the numerator and denominator by the GCD

66 ÷ 3/105 ÷ 3

Reduced fraction:

22/35

therefore the ratio will be 22:35

3 0
3 years ago
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