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IceJOKER [234]
3 years ago
10

Bethany wrote the equation X+ (x+2)+(+4)= 91 when she was told that the sum of three consecutive odd integers had a

Mathematics
2 answers:
Aleks [24]3 years ago
6 0

Answer:

a

Step-by-step explanation:

azamat3 years ago
5 0

Answer:

Option A) Bethany is correct because consecutive odd integers will each have a difference of two

Step-by-step explanation:

The sum of 3 consecutive odd integers is 91. Let the first odd integer is x. The next odd integer will be obtained by adding 2 in x i.e. (x + 2). The third odd integer will be obtained by adding 2 in the second odd integer i.e. (x + 2) + 2 = x + 4

So, the 3 odd integers will be:

x  , (x+2) and (x+4)

Their sum is given to be 91. So we can write:

x + (x+2) + (x+4) = 91

Hence, we can conclude that: Bethany is correct because consecutive odd integers will each have a difference of two.

Other options are not correct because consecutive odd integers always increase by 2. For example, the next odd integer after 1 is 3, which is obtained by adding two, similarly the next odd will be 5 and so on.

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Help fast plz !!!!!!!!!
larisa [96]

Answer:

2295/64 or 35 and 55/64

Step-by-step explanation:

3 3/4 * 4 1/2 * 2 1/8 = 15/4*9/2*17/8=2295/64 or 35 and 55/64

8 0
3 years ago
Read 2 more answers
two angles of a triangle measure 59 degrees and 63 degrees. if the longest side measures 28 cm find the length of the shortest s
ryzh [129]

Answer:

26, 6487

Step-by-step explanation:

1) FInd the third angle 180-59-63= 58 degrees.

2) The longest side lies in front of the biggest angle (63degrees)  while the shortest side stretches in front of  the smallest angle (58degrees). Suppose the side that is searched is equal to x

2) Use the law of sin

28/ sin63degrees= x/ sin 58degrees

28/ 0,891= x/0/848

x= 26. 6487 cm (approximately)

3 0
2 years ago
How is the sum expressed in sigma notation?<br><br> 11 + 17 + 23 + 29 + 35 + 41
Ann [662]
<h3>The sum expressed in sigma notation is:</h3>

11+17+23+29+35+41=\sum\limits_{i=1}^{6}5+6i

<u><em>Solution:</em></u>

Given that,

11 + 17 + 23 + 29 + 35 + 41

We have to express the sum in sigma notation

Analyse the series

5 + 6(1) = 11

5 + 6(2) = 17

5 + 6(3) = 5 + 18 = 23

5 + 6(4) = 5 + 24 = 29

5 + 6(5) = 5 + 30 = 35

5 + 6(6) = 5 + 36 = 41

<em><u>Thus the series goes on like this:</u></em>

5 + 6(n) , where n = 1 to 6

<em><u>This can be expressed in sigma notation as:</u></em>

11+17+23+29+35+41=\sum\limits_{n=1}^{6}5+6n

<em><u>We can expand the sigma notation and verify the results</u></em>

\sum\limits_{i=1}^{6}5+6i=(5+6(1))+(5+6(2))+(5+6(3))+(5+6(4))+(5+6(5))+(5+6(6))\\\\\\\sum\limits_{i=1}^{6}5+6i=(5+6)+(5+12)+(5+18)+(5+24)+(5+30)+(5+36)\\\\\\\sum\limits_{i=1}^{6}5+6i=11+17+23+29+35+41

8 0
3 years ago
Read 2 more answers
The average red
Eddi Din [679]

The question is an illustration of ratios and proportions

<em>The Bospolder fox is 28 inches tall at the shoulder,</em>

Represent the ratio as:

Scale = Shoulder : Tail

For the red fox, we have:

Red = 20in : 55in

For the Bospolder fox, we have:

Bospolder =Shoulder : Tail

To calculate the length of the shoulder of the Bospolder fox, we need its length at the tail.

<em>Since it is not given, I will make an assumption.</em>

Assume, the Bospolder fox is 77in tall at the tail.

The ratio becomes

Bospolder =Shoulder : 77in

Both animals are proportional; this means that they have the same ratio.

So, we have:

Shoulder : 77in = 20in : 55in

Express as fraction

\frac{Shoulder }{ 77in }= \frac{20in }{55in}

Multiply both sides by 77in

Shoulder = \frac{20in }{55in} \times 77in

Shoulder = \frac{20in \times 77}{55}

Shoulder = 28in

Using the assumed length, the Bospolder fox is 28 inches tall at the shoulder,

Read more about ratios and proportions at:

brainly.com/question/13114933

5 0
3 years ago
Need help WILL MARK BRAINLEST​
zimovet [89]

root 12 + 5 root 3

2 root 3 + 5 root 3

7 root 3

7 0
3 years ago
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