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Whitepunk [10]
3 years ago
8

2 Points

Mathematics
1 answer:
Debora [2.8K]3 years ago
6 0

Answer:

151.77

Hope this is right

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A triangle has side lengths 1.5 inches, 2 inches, and 3 inches. Is the triangle a right triangle
Alexandra [31]
No, for it to be a right triangle the last length would need to be 2.5 not 3
7 0
2 years ago
If the fallowing pair represents a direct variation, find the missing value.<br> (2,-4) and (-6, y)
erik [133]
-8y it should be right
5 0
3 years ago
Read 2 more answers
If Javier has a car with a mass of 250,000 kg and it is acted upon with a force of 300 Newtons. What is the acceleration?
natima [27]

Answer:

<u>The acceleration is 0.0012 meters/seconds²</u>

Step-by-step explanation:

1. Let's review the information given to answer the question correctly:

Mass = 250,000 kg

Force = 300 Newtons

2. What is the acceleration?

Based on Newton's Second Law of Motion, let's recall that:

Force = Mass * Acceleration

Acceleration = Force/Mass

Replacing with the real values, we have:

Acceleration = 300/250,0000

Acceleration = 0.0012 meters/seconds² (we can't express acceleration using Newtons/kilograms as the unit).

8 0
3 years ago
Find the missing lengths: LK=15 and KH=9, find KI and HI.
Luda [366]

Answer:

KI=11.25 and HI=6.75

Step-by-step explanation:

Consider the below figure attached with this question.

According to Pythagoras Theorem:

base^2+perpendicular^2=hypotenuse^2

Use Pythagoras in triangle HKL

LH^2+KH^2=LK^2

(LH)^2+9^2=15^2

(LH)^2+81=225

(LH)^2=144

Taking square root on both sides.

LH=12

Let length of HI be x.

LI = 12+x

Use Pythagoras theorem in ΔKLI,

(KI)^2+15^2=(12+x)^2

(KI)^2+225=x^2+24x+144

(KI)^2=x^2+24x+144-225

(KI)^2=x^2+24x-81...(1)

Use Pythagoras theorem in ΔHKI,

(KI)^2=x^2+9^2

(KI)^2=x^2+81...(2)

From (1) and (2) we get

x^2+81=x^2+24x-81

24x=162

x=\dfrac{162}{24}=6.75

Hence, the measure of HI is 6.75 units.

Substitute x=6.75 in equation (2).

(KI)^2=(6.75)^2+81

(KI)^2=126.5625

Taking square root on both sides.

KI=\sqrt{126.5625}

KI=11.25

Hence, the measure of KI is 11.25 units.

3 0
3 years ago
A movie is 7 1 8hours long. After 45 minutes, how much of the movie is left?
kkurt [141]

Answer: 382.5 minutes

Step-by-step explanation:

7 1/8 = 7.125

7.125*60=427.5

Thus, the movie is 427.5 minutes long

427.5-45 = 382.5

Hope it helps <3

5 0
3 years ago
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