2 years ago

If a car goes 90km in 2 hours, what is its speed?

1 answer:

8 0

Answer: 45km per hour

Explanation: 90 divided by 2 equals 45 there for the answer is 45

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nydimaria [60]

Answer:

Step-by-step explanation:

$y=2x^2+3x+5\\$

Using the quadratic formula:

$\frac{-3+-\sqrt{9-4(2)(5)}}{2(2)} = \frac{-3+-\sqrt{-31}}{4}$

Since the discriminant is negative, -31, there are no real roots

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3 years ago

Luba_88 [7]

29-11=18
18²+18²=p²
324+324=p²
p²=648
p=18√2
That's your answer.

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3 years ago

MaRussiya [10]

It's m. All you have to do is distribute

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2 years ago

GarryVolchara [31]

Answer: They are similar but not congruent.

Step-by-step explanation: hope this help

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2 years ago

antoniya [11.8K]

5s-100-2s=4s-20-2s
3s-100. = 2s-20
+20. +20
3s-80. = 2s
-3s. -3s
-80. = -1s
-1 -1
80. = s

s=80

6 0

3 years ago