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lapo4ka [179]
3 years ago
15

Translate this phrase into an algebraic expression.

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
6 0

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⊹˚ʚ ❑Answer︰3+(10n)

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If T={x:X is an integer between 1 and 4} (A) List down the elements of set T in set notation. B write down the number of element
GarryVolchara [31]

Answer:

The answer is given below

Step-by-step explanation:

A) Integers are whole numbers (without fraction) that are either positive or negative. If T={x:X is an integer between 1 and 4}, therefore the elements in set T = {2, 3}

B)  Since the elements in set T = {2, 3}, then the number of elements in set T = 2

C) The subsets of set T are {}, {2}, {3} and {2,3}

D) Proper subset of set T are subsets of T that is not equal to T. The proper subsets of T are {2} and {3}

An improper subset of set T contains all the element of set T and a null element. The improper subset of set T are {2,3} and {}

6 0
3 years ago
What is negative 5 squared?
fiasKO [112]
Negative 5 squared is negative 25
3 0
4 years ago
Read 2 more answers
Simplify the following surd expressions<br> a) 7/3 - 2/3 + V3 - 3V3
Nata [24]

Answer:

\frac{7}{3}-\frac{2}{3}+\sqrt{3}-3\sqrt{3}=\frac{5}{3}-2\sqrt{3}    

Step-by-step explanation:

Given the expression

\frac{7}{3}\:-\:\frac{2}{3}\:+\:v^3\:-\:3v^3

solving the expression

\frac{7}{3}\:-\:\frac{2}{3}\:+\:\sqrt{3}-3\sqrt{3}

combine the fractions i.e \frac{7}{3}-\frac{2}{3}=\frac{5}{3}

\frac{7}{3}\:-\:\frac{2}{3}\:+\:\sqrt{3}-3\sqrt{3}=\frac{5}{3}+\sqrt{3}-3\sqrt{3}

add similar elements  i.e \sqrt{3}-3\sqrt{3}=-2\sqrt{3}

                                 =\frac{5}{3}-2\sqrt{3}      

Thus,

\frac{7}{3}-\frac{2}{3}+\sqrt{3}-3\sqrt{3}=\frac{5}{3}-2\sqrt{3}                        

4 0
3 years ago
Let x be the number of $5 items and y the
Lana71 [14]

Answer:

Answer is 60.

Step-by-step explanation:

Two equations, two unknowns.

As you said, let x be the number of $5 items and y the number of $25 items.

First equation is based on VALUE (second sentence):

5x + 25y = 1950

Second equation is based on NUMBER (third sentence):

x + y = 150

Now solve. Easy way is rearrange the second equation (x = 150 - y) and sub into the first:

5(150 - y) + 25y = 1950

750 - 5y + 25y = 1950

20y = 1200

y = 60

Since y represented the number of items sold at $25, 60 is the number of items.

6 0
3 years ago
In the given figure, angle ABC is an equilateral triangle. If AB//CE, prove that angle ACE = angle ECD​
defon

Answer:

Step-by-step explanation:

Triangle ABC is an equilateral triangle, then:

=> angle ABC = angle BAC = angle  ACB = 60 deg

AB // CE, according to alternative interior pair of angles theorem:

=> angle ACE = angle BAC = angle ABC = 60 deg   (1)

B, C, and D are colinear, then:

angle ECD + angle ACE + angle ACB = 180 deg

=> angle ECD = 180 - angle ACE - angle ACB = 180 - 60 - 60 = 60 deg   (2)

From (1) and (2):

=>angle ACE = angle ECD = 60 deg

3 0
3 years ago
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