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abruzzese [7]
3 years ago
14

Find the values of x and y if (x+2,y)=(3,4).​

Mathematics
1 answer:
gogolik [260]3 years ago
4 0

Answer:

x = 1 and y = 4

Step-by-step explanation:

Solution,

(x+2,y) = (3,4)

Now,

Comparing corresponding elements,

x+2 = 3 , y = 4

or, x = 3 - 2 , y = 4

or, x = 1 , y = 4

Therefore, the value of x is 1 and y is 4.

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Evaluate the sum of the following finite geometric series.<br> 5+15+45 +135+ . . . + 1215<br> Sn=1
Nata [24]

Answer:

1820

Step-by-step explanation:

The sum of the first n terms of a geometric series with common ratio r and first term a is:

a(1-r^n)/(1-r). Plugging this in 5(1-3^6)/(1-3)=1820

5 0
3 years ago
Solve for x of (8x+30)°(4x+18)°
rodikova [14]
(8x+30) ^{o}+(4x+18)^{o} =180^{o}\\ \\ 8x+30 ^{o}+ 4x+18 ^{o} =180^{o}\\ \\12x +48^{o}=180^{o} \ \ |-48^{o}\\ \\12x +48^{o}-48^{o}=180^{o}-48^{o}\\ \\12x= 132^{o}\ \ /:12\\ \\x=\frac{132^{o}}{12}\\ \\x=11^{o} \\ \\ \\ Answer : C. 11
4 0
3 years ago
Write an algebraic expression for each word phrase.
11Alexandr11 [23.1K]

Answer:

63/h - 3.14

Step-by-step explanation:

Quotient means divide.

So the answer to the division is a quotient. 63/h is the quotient of the division.

Less means subtract so the subtraction that is taking place is

63/h - 3.14 and that's your answer.

Often with these questions, you start backwards as in this question.

6 0
3 years ago
If I = prt; p = 350, r = 6%, I = 42, then t = 2 A. True B. False
Liono4ka [1.6K]

t = 2 → A true

given I = PRT

to find T , divide both sides by PR

note that R = 6% = \frac{6}{100} = 0.06

T = \frac{I}{PR} = 42/( 350 × 0.06 ) = 2



4 0
3 years ago
Which option below best describes the polynomial 4x3 + 3x2 - 1 ?
agasfer [191]
The answer is 17
4x3=12
3x2=6
12+6=18
18-1=17
8 0
3 years ago
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