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REY [17]
3 years ago
14

PLEASE HURRY!!! TIMED!!!! WILL GIVE BRAINLIEST!!!

Mathematics
2 answers:
fgiga [73]3 years ago
7 0

Answer:

3.

7.608

Step-by-step explanation:

An irrational number is any number which can't be written as a fraction this way. For example, pi and the square root of two cannot be expressed as a fraction of two whole numbers, so they are both irrational.

if we make the respective accounts in the first and second problem we will see that they are irrational numbers

the fourth is a periodic number, which falls within the irrational

the only rational is the third

musickatia [10]3 years ago
5 0

Answer:-5 4/11

Step-by-step explanation:

A rational number is a number that can be express in simple fraction.

You might be interested in
There are 3 types of sweets in a jar.
KengaRu [80]

Answer:

\frac{2}{3}

Step-by-step explanation:

Given:

Number of eclairs = 3

Number of humbugs = 2x + 6=2(x+3)

Number of mints = x

Therefore, total number of sweets in the jar is,

S=3+2x+6+x=3x+9=3(x+3)

Now, probability of selecting a sweet to be humbug is given as:

P(humbug)=\frac{\textrm{number of humbugs}}{\textrm{number of sweets}}\\P(humbug)=\frac{2(x+3)}{3(x+3)}=\frac{2}{3}

Therefore, the probability that it is a humbug is \frac{2}{3}.

7 0
3 years ago
Suppose Quadrilaterals A and B are both squares. Are A and B necessarily scaled
nevsk [136]

Answer:

Yes

Step-by-step explanation:

A rectangle can be scaled into a square + rhombus. The difficult part is a trapezoid. If you can scale the sides, then the answer will remain yes because you would just make the top side longer both ways to straighten it and shorten the side lines.

8 0
2 years ago
-7(x+7=-56 I really need help
Reptile [31]

Answer:

x=1

Step-by-step explanation:

Divide both sides by the numeric factor on the left side then solve.

Hope this helps.

3 0
3 years ago
A rucksack can hold a maximum of 3 kg.
devlian [24]

Answer:

4 textbooks

Step-by-step explanation:

3 kg = 3000 g

3000 ÷ 650 = 4.61......

Maximum number is 4 as 0.61... book being carried is not possible

Hope this helped and brainliest please

4 0
2 years ago
Read 2 more answers
Expand and simplify <img src="https://tex.z-dn.net/?f=%20%283x-2%29%5E%7B2%7D%20" id="TexFormula1" title=" (3x-2)^{2} " alt=" (3
Rus_ich [418]
You can just 1) multiply the binomial by itself, or you can use 2) the square of a binomial pattern. I'll show it to you both ways.

1) Multiply the binomial by itself.

(3x - 2)^2 = (3x - 2)(3x - 2) =

Multiply every term of the first binomial by every term of the second binomial, then collect like terms. (This is often called using FOIL.)

= 9x^2 - 6x - 6x + 4

= 9x^2 - 12x + 4

2) Use the square of a binomial pattern

The square of a binomial is

(a - b)^2 = a^2 - 2ab - b^2

a^2 is the square of the first term.
b^2 is the square of the second term.
-2ab is the product of the two terms and 2.

You have

(3x - 2)^2,
where the first term is 3x, and the second term is -2

square the first term: 9x^2
square the last term: 4
the product of the terms and 2 is: -12x

Put it all together, and you get

9x^2 - 12x + 4

just like we got above with the other method.
7 0
3 years ago
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