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4 years ago

Who feels to talk

Mathematics

1 answer:

zubka84 [21]4 years ago

8 0

Answer:

I gotcu

The answer is 30.25

Step-by-step explanation:

5.5 divided by 4 equals 1.375

22 times 1.375 equals 30.25

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Find the solution for -2.5x +5 < - 2.5 on a number line

RoseWind [281]

Answer:

X>3

Step-by-step explanation:

-2.5x +5 < -2.5

-2.5x < -2.5-5

-2.5x< -7.5

X> -7.5/-2.5

X>3

6 0

3 years ago

Alex stocks up for winter. He buys 32 cans of vegetables. He pays 80 cents per can for tomatoes and 40 cents per can for corn, f

Anuta_ua [19.1K]

Answer:

Let x the the number of cans of tomatoes and 

 32 - x be the number of cans of corn

From the given that the total cost in buying all 32 cans of vegetables is $18 and the costs of each can of vegetables, we generate the equation,

18 = 0.80x + 0.40(32 - x)

Solving for x from the equation gives x = 13. Alex bought 32 - x cans of corn with a numerical value of 19. Thus, Alex bought 19 cans of corn.

Step-by-step explanation:

4 0

3 years ago

ou have two parents, four grandparents, eight great-grandparents, and so forth. (a) If all your ancestors were distinct, what wo

Maslowich

Answer:

Part A:

$2^{40}-2\\=1.0995*10^{12} ancestors$

Part B:

Generations Age=25*39=975 years

Part C:

Some ancestors on different branches of the family tree must be the same.
There could not have been 39 generations in my line of ancestry.

Step-by-step explanation:

Given Data:

Two Parents, Four Grand Parents, Eight great Grand Parents.

Generation=39

Solution:

Part A:

From given data Following series is made:

$2+2^2+2^3+.........+2^{39}$

Now, Above series will become:

$2[1+2+2^2+......+2^{38}]$

From geometric Sequence:

$2[\frac{2^{38+1}-1}{2-1} ]$

$2^{40}-2\\=1.0995*10^{12} ancestors$

Part B:

Generations Age=years*Number of generations

Generations Age=25*39=975 years

Part C:

Number of people lived= 10^11

Ancestors= $1.0995*10^{12} ancestors$

$10^{11}$

It means ancestors are not distinct, it means:

Some ancestors on different branches of the family tree must be the same.
There could not have been 39 generations in my line of ancestry.

5 0

3 years ago

Evaluate the expression below when h

Kazeer [188]

DccxThe rccghgdeesb

Cjjfiuduyduyerrrfttbj

Eryu f gthe fffas

4 0

3 years ago

Of flowers in a field 43% are yellow . The others are white. A bee randombly lands on a flowerdescribe the complelment of the be

Dima020 [189]

Answer:

0.43

Step-by-step explanation:

Yellow flowers are 43%.

White flowers are = (100% - 43% ) = 57%

Consider there are total 100 flowers in the garden , so yellow ones are 43 and white ones are 57

Probability of a bee landing on a yellow flower is 43 out of 100

= 43/ 100

=0.43

4 0

3 years ago