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AnnyKZ [126]
2 years ago
11

Which expression is equivalent to

Mathematics
1 answer:
lapo4ka [179]2 years ago
6 0
The last one
2j^2/3k^4
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Helpppppppppppppppppppppppppp
Yuri [45]

Answer:

3 : 7

7 : 3

Step-by-step explanation:

you have 3 shovels for every 7 buckets

the ratio of buckets to shouvels is 7 to 3

6 0
2 years ago
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Garth estimated the height of the door to hiss classroom in meters. What is a reasonable estimate?
kobusy [5.1K]
It is just asking how many meters tall are doors usually at. Clearly 30 meters isn't reasonable so just say how tall most doors are in meters.
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3 years ago
Stardust the unicorn, covered a distance of 50 miles on his first trip to the forest. On a later trip he travelled 300 miles whi
jok3333 [9.3K]

His new time compared with the old time was increased by factor of 2

<h3>Further explanation</h3>

Acceleration is rate of change of velocity.

\large {\boxed {a = \frac{v - u}{t} } }

\large {\boxed {d = \frac{v + u}{2}~t } }

<em>a = acceleration (m / s²)v = final velocity (m / s)</em>

<em>u = initial velocity (m / s)</em>

<em>t = time taken (s)</em>

<em>d = distance (m)</em>

Let us now tackle the problem!

This problem is about Kinematics.

In this problem we assume that the unicorn is moving at a constant speed so that the acceleration is zero.

<u>Given:</u>

first distance = d₁ = 50 miles

second distance = d₂ = 300 miles

v₂ = 3 v₁

<u>Unknown:</u>

t₂ : t₁ = ?

<u>Solution:</u>

To find his new time , we will use the following formula.

v_2 = 3 v_1

\frac{d_2}{t_2} = 3 \times \frac{d_1}{t_1}

\frac{300}{t_2} = 3 \times \frac{50}{t_1}

\frac{300}{t_2} = \frac{150}{t_1}

t_2 = \frac{300}{150} \times t_1

\large {\boxed {t_2 = 2 \times t_1} }

<h3>Learn more</h3>
  • Velocity of Runner : brainly.com/question/3813437
  • Kinetic Energy : brainly.com/question/692781
  • Acceleration : brainly.com/question/2283922
  • The Speed of Car : brainly.com/question/568302

<h3>Answer details</h3>

Grade: High School

Subject: Mathematics

Chapter: Kinematics

Keywords: Velocity , Driver , Car , Deceleration , Acceleration , Obstacle , Speed , Time , Rate , Sperm , Whale , Travel

8 0
3 years ago
HELP ME PLS n j j j hjnbhjbhbj
grin007 [14]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
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Kira owes Mark $5, and Mark owes Kira $7. Which of the following statements means the same thing?
S_A_V [24]

Answer:

They both owe each other

Step-by-step explanation:

7 0
3 years ago
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