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user100 [1]
4 years ago
10

Complete the given table for the equation 4x+y=9

Mathematics
1 answer:
madam [21]4 years ago
4 0
If x=1 and y=5 we get as 4product of 1+5=9
=4+5=9
9=9
lhs=rhs
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What is equivalent to 6x2+13x+5
Ne4ueva [31]

1 \times 3 + (4x + 9x) + (6 - 1)
4 0
4 years ago
There are 15 adults, 22 girls and 13 boys at a party. What is the ratio of the adults to the total number of people? Express you
Eduardwww [97]

Answer:

15adults to 50 people

Step-by-step explanation:

3 0
3 years ago
Factor Completely x^4-2x^2y^2+y^4
12345 [234]
<h3>Answer :</h3>

\bf (x+y)^2(x-y)^2

==============

<h3>Solving Steps:</h3>

===============

\rightarrow  \sf x^4-2x^2y^2+y^4

<u>breakdown</u>

\rightarrow  \sf x^4-x^2y^2-x^2y^2+y^4

<u>factor common term</u>

\rightarrow  \sf x^2(x^2-y^2)-y^2(x^2-y^2)

<u>collect in groups</u>

\rightarrow  \sf (x^2-y^2)(x^2-y^2)

<u>apply difference between two square method:</u> x² - y² = (x+ y)(x-y)

\rightarrow \sf (x+y)(x-y) (x+y)(x-y)

<u>simplify</u>

\rightarrow \sf (x+y)^2(x-y)^2

7 0
2 years ago
Which set of numbers may represent the lengths of the sides of a triangle? (A) {2,5,9} (B) {6,6,7} (C) {6,4,2} (D) {7,8,1}
Olin [163]

Answer:

B {6, 6, 7}

Step-by-step explanation:

Which set of numbers may represent the lengths of the sides of a triangle? (A) {2,5,9} (B) {6,6,7} (C) {6,4,2} (D) {7,8,1}

For a given triangle with 3 sides, the sun of the length of any two sides must be greater Than the third side. This can be expressed mathematically as;

Let the side be ;

x, y and z

Then:

x > (y + z) or

y > (x + z) or

z > (x + y)

For A{2,5,9}

(2 + 5) < 9 (does not meet criteria)

For B {6,6,7}

(6 +6) > 7

(7 +6) > 6

Meets all criteria

For C {6,4,2}

(4 +2) is not greater Than 6 (does not meet criteria)

For D {7,8,1}

(7 +1) is not greater Than 8 ( does not meet criteria)

3 0
3 years ago
Of the 80 boys polled at lunch, 55% say they play video games daily. According to the poll, how many boys play video games daily
alexdok [17]

55% = \frac{55}{100} = \frac{11}{20}

Multiply \frac{11}{20} by 80 and you will get how many boys play video games daily.

\frac{11}{20}*80=\frac{11}{1}*4=11*4=44

44 is the number of boys who play video games daily.

8 0
3 years ago
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