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Vedmedyk [2.9K]
1 year ago
6

Hey I need help with my home work the question is here thanks <3 …..

Mathematics
1 answer:
jarptica [38.1K]1 year ago
6 0

Answer:

Explanation:

From the tape diagram, we can deduce the following;

*Total number of items = 87

*Number of subdivisions = 5 with one of them being a group of 39

Let's see which of the given stories that the tape diagram can represent;

A) Total number of first graders = 87

Students picked up = 39

Number of groups the remaining students were divided into = 4

We can see from the above that the tape diagram can represent this story

B) Number of children at the show = 87

Number of adults at the show = 39

Total number of people at the show = 87 + 39 = 126

We can see from the above that the tape diagram can not represent this story

C) Number of packs of pencils Lin bought = 87

Number of packs she gave to her teacher = 39

She then shared the remaining packs between herself and 3 friends

We can see from the above that the tape diagram can represent this story

D) Total amount Diego's family spent to a fair = $87

Amount spent on dinner = $39

They spent the remaining spent on 4 tickets

We can see from the above that the tape diagram can represent this story

E) Number of packs of paper clips Adre bought = 4

Number of paper clips in each = 39

Total number of paper clips bought = 39 x 4 = 156

We can see from the above that the tape diagram can not represent this story

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4. The formula v= 64h gives the velocity v in feet per second of an object that
user100 [1]

The velocity when the object falls from 84 feet is 73.32 ft/sec

Step-by-step explanation:

The formula is derived from the conversion of energy principle. As the object falls the potential energy changes into kinetic energy. The right formula is:

v=\sqrt{64h}

here,

v represents the velocity

and

h represents the height in feet.

We can plug in the value of height in the formula to get the value of velocity

So, Putting h=84

v=\sqrt{64*84}\\=\sqrt{5376}\\=73.3212\ ft/sec

Rounding off to nearest 100th

v=73.32 ft/sec

The velocity when the object falls from 84 feet is 73.32 ft/sec

Keywords: Velocity, Height

Learn more about velocity at:

  • brainly.com/question/10934170
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8 0
4 years ago
Two parallel line segments move from Quadrant One to Quadrant Four. Their slopes does not change.
pishuonlain [190]

Answer:

B

Step-by-step explanation:

Dilation is changing it and it would not move Quadrants. Reflection would change the slope and I do not know if you can even do it from one to four (I also don't know which one is 1 and which one is 4).

All I know is that translation moves it without changing anything. It is a transformation bc it is translation.

8 0
4 years ago
Read 2 more answers
Solve the system of equation by guess sidle method
lilavasa [31]

Answer: The solution is,

x_1\approx 0.876

x_2\approx 0.419

x_3\approx 0.574

Step-by-step explanation:

Given equations are,

8x_1 + x_2 + x_3 = 8

2x_1 + 4x_2 + x_3 = 4

x_1 + 3x_2 + 5x_3 = 5,

From the above equations,

x_1=\frac{1}{8}(8-x_2-x_3)

x_2=\frac{1}{4}(4-2x_1-x_3)

x_3=\frac{1}{5}(5-x_1-3x_2)

First approximation,

x_1(1)=\frac{1}{8}(8-(0)-(0))=1

x_2(1)=\frac{1}{4}(4-2(1)-(0))=0.5

x_3(1)=\frac{1}{5}(5-1-3(0.5))=0.5

Second approximation,

x_1(2)=\frac{1}{8}(8-(0.5)-(0.5))=0.875

x_2(2)=\frac{1}{4}(4-2(0.875)-(0.5))=0.4375

x_3(2)=\frac{1}{5}((0.875)-3(0.4375))=0.5625

Third approximation,

x_1(3)=\frac{1}{8}(8-(0.4375)-(0.5625))=0.875

x_2(3)=\frac{1}{4}(4-2(0.875)-(0.5625))=0.421875

x_3(3)=\frac{1}{5}(5-(0.875)-3(0.421875))=0.571875

Fourth approximation,

x_1(4)=\frac{1}{8}(8-(0.421875)-(0.571875))=0.875781

x_2(4)=\frac{1}{4}(4-2(0.875781)-(0.571875))=0.419141

x_3(4)=\frac{1}{5}(5-(0.875781)-3(0.419141))=0.573359

Fifth approximation,

x_1(5)=\frac{1}{8}(8-(0.419141)-(0.573359))=0.875938

x_2(5)=\frac{1}{4}(4-2(0.875938)-(0.573359))=0.418691

x_3(5)=\frac{1}{5}(5-(0.875938)-3(0.418691))=0.573598

Hence, by the Gauss Seidel method the solution of the given system is,

x_1\approx 0.876

x_2\approx 0.419

x_3\approx 0.574

4 0
3 years ago
Two hot air balloons are flying above a park . One ballon started at a height of 3,000 feet above the ground and is decreasing i
tatuchka [14]
H = 3000 - 40m (starts at 3000...decreasing at 40 ft per minute
h = 1200 + 50m (starts at 1200...rises 50 ft per minute
4 0
4 years ago
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Points!! Help PLEASE!!!!!!!!!!!!!!!!! I've been stumped forever!:( Point estimate? Poll's margin of error? Fill in the blanks:
Brut [27]
The point estimate is the mid-point of the interval:
\frac{.35+.43}{2} = \frac{.78}{2} = 0.39

The margin of error is the difference between the endpoints of the interval and the mid-point.
0.43 - 0.39 = 0.04 = 4\%
8 0
3 years ago
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