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3 years ago

Which of the following is a pair of prime numbers? A 41,51 B 21,51. C 41,43. D 21,43

Mathematics

1 answer:

ElenaW [278]3 years ago

6 0

I believe its C.
you can't divide any number yo get 41 nor 43

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A raiz da equação 2x - 1 = - 3, é: ( U = Z)

motikmotik

Answer:

A raiz da equação 2x - 1 = - 3, é: ( U = Z)

Step-by-step explanation:

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2 years ago

Answer this pls<br>don't send links

Irina18 [472]

Answer:

a 20 times

Step-by-step explanation:

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2 years ago

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A satellite is composed of 30 modular units, each of which is equipped with a set of sensors, some of which have been upgraded.

Anit [1.1K]

Answer:

$\frac{1}{7}$

Step-by-step explanation:

The satellite has 30 modular units.

There are equal numbers of non-upgraded sensors in each unit.

Let us assume that on the entire satellite there are x numbers of upgraded sensors.

Then as per the given condition, there are $\frac{x}{5}$ number of non-upgraded sensors in one unit.

Therefore, the number of non-upgraded sensors on the entire satellite is $\frac{30x}{5}$ =6x

Hence, total number of sensors in the satellite is (x+ 6x) =7x

Therefore, the required fraction of the upgraded sensors is $\frac{x}{7x} =\frac{1}{7}$ . (Answer)

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3 years ago

if x stands for am number what is the mathematical phrase that represents three more than the number

vlada-n [284]

Answer:

x + 3

Step-by-step explanation:

if x represents a number then 3 more than the number means addition of 3 to the number ( x )

so, required phrase is ;

=》x + 3

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3 years ago

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Can someone plss help me

puteri [66]

0/3 is the same thing as 0, so write those nxt to each other. Then 1/3, 2/3. Lastly 3/3 is the same as 1, so write those nxt to each other.

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3 years ago