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2 years ago

I need help I don’t know the answer

Mathematics

2 answers:

Ratling [72]2 years ago

7 0

Answer:

Option 2

Step-by-step explanation:

Height of lemon tree = 8

Height of date tree = 8 x 3

On comparing, we understand that the date tree is 3 times as tall as the lemon tree.

AURORKA [14]2 years ago

5 0

Answer:

the answer is B or the second one

Step-by-step explanation:

8 x 3 = 24

the data tree is 3 times as tall as the lemon tree

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Comparing Relationships with Tables1. Decide whether each table could represent a proportional relationship.If the relationship

yan [13]

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y=kx

where

k is the constant of proportionality

Verify each table

table a

Let

x ----> distance

y ----> sound level

For each ordered pair calculate the value of k

k=y/x

(5,85) -----> k=85/5=17

(10,79) ----> k=79/10=7.9

the values of k are differents

that means

the table nor represent a proportional relationship

table b

let

x ----> volume

y ----> cost

k=y/x

(16,1.49) ----> k=1.49/16=0.093125

(20,1.59) ----> k=1.59/20=0.0795

the values of k are differents

that means

the table nor represent a proportional relationship

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2 years ago

Carmen purchased a prepaid phone card for $30. Long distance calls cost 19 cents a minute using this card. Carmen used her card

gladu [14]

Have 3896minutes in creadit on her card

5 0

3 years ago

Read 2 more answers

Hi can someone help me with the last two sets of shapes? Thank you so much! -Jenn

SOVA2 [1]

You are correct there's at least one obtuse angle

8 0

3 years ago

60 students study a language at a school.

mixas84 [53]

The number of girls is 24.
The number of boys that study French is 24.
The numbber of boys that study German is 12.
The number of girls that study French is 16
The number of girls that study German is 8.

<h3>How to fill the frequency tree?</h3>

The number of girls = total number of students - total number of boys

60 - 36 = 24

The number of boys that study French = 2/3 x 36 = 24

The numbber of boys that study German = 36 - 24 = 12

The number of girls that study French = 40 - 24 = 16

The number of girls that study German = 24 - 16 = 8

Please find attached the frequency tree. To learn more about addition, please check: brainly.com/question/349488

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3 0

2 years ago

Write the following series in sigma notation.<br> 7 + 16 + 25 +34 +43 +52 + 61

Solnce55 [7]

The series 7 + 16 + 25 +34 +43 +52 + 61 is an illusration of arithmetic series

The sigma notation of the series is: $\sum\limits^7_{n=1} {9n - 2}$

<h3>How to write the series in sigma notation?</h3>

The series is given as:

7 + 16 + 25 +34 +43 +52 + 61

The above series is an arithmetic series, with the following parameters

First term, a = 7
Common difference, d = 9
Number of terms, n = 7

Start by calculating the nth term using:

a(n) = a + (n - 1) * d

This gives

a(n) = 7 + (n - 1) * 9

Evaluate the product

a(n) = 7 - 9 + 9n

Evaluate the difference

a(n) = 9n - 2

So, the sigma notation is:

$\sum\limits^7_{n=1} {9n - 2}$

Read more about arithmetic series at:

brainly.com/question/6561461

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3 years ago