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r-ruslan [8.4K]
3 years ago
5

Solve for v.v+4v= 45​

Mathematics
1 answer:
Olenka [21]3 years ago
4 0

Answer:

v = 9

Step-by-step explanation:

v + 4v = 45

5v = 45

v = 9

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Melissa and brian are at the base of a moutain. Melissa hikes to a location 27 meters above sea.Level brian hikes to a location
AVprozaik [17]

Answer:

Integer that represents Melissa's location with respect to sea level: 27

Integer that represents Brian's location with respect to sea level: -21

Step-by-step explanation:

By definition, Integers can be negative, positive or zero.

Let be zero (0) the sea level.

According to the information provided in the exercise, you know that Melissa's location is at 27 meters above the sea level.

Therefore, you can conclude that the integer that represents her location with respect to sea level, is greater than zero (this means that it is positive).

Then, this is:

27

Brian's location is 21 meters below sea level​.

This indicates that the integer that represents her location with respect to sea level is less than zero (it is negative).

Therefore, this is:

-21

8 0
4 years ago
Read 2 more answers
En cuál de los siguientes procedimientos se resuelven sin error las siguiente operaciones?
myrzilka [38]

D. \frac{(8)\cdot (-7)\cdot (6)}{(-4)\cdot (-2)\cdot (-3)} = \frac{-336}{-24} = 14

Por álgebra, recordamos los siguientes dos teoremas llamados teorema del signo para productos:

(-x)\cdot y = x\cdot (-y) = -x\cdot y, \forall \,x,y\in \mathbb{R} (1)

(-x)\cdot (-y) = x\cdot y, \forall \,x,y\in \mathbb{R} (2)

Basados en la información dada en la imagen y los teoremas descritos arriba, el producto del numerador debe ser negativo y el producto del numerador debe ser también negativo, más el resultado de la división debe ser positiva.

Por tanto, la opción D representa a la operación libre de errores.

5 0
3 years ago
Which statement about the quotient in the problem below is NOT true?
kipiarov [429]
The quotient is twice 405.5. Whenever dividing by .5 you multiply by 2 instead

C.)
8 0
3 years ago
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Alika [10]

Answer:

No they cannot.

Step-by-step explanation:

Hope this helps!

Good Luck!

:)

7 0
3 years ago
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Kirti knows the following information from a study on cold medicine that included 60 participants: 30 participants in total rece
GalinKa [24]
The frequency table is attached.

Since there were 30 people out of the 60 that received cold medicine, that means that 60-30=30 people did not.

Since 26 people had a cold longer than 7 days, this means 60-26=34 had a cold that was less than or equal to 7 days.

14 people had a cold longer than 7 days and received medicine; this means that 26-14=12 people had a cold longer than 7 days and did not receive medicine.

30-14=16 people received medicine and had a cold less than or equal to 7 days.

30-12=18 people did not receive medicine and had a cold less than or equal to 7 days.

4 0
4 years ago
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