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lord [1]
3 years ago
13

Complete the function f(x)=2x-5

Mathematics
1 answer:
Grace [21]3 years ago
7 0

Replace X in the equation with the values in the table and calculate:


2X-5:

2(-4) -5 = -8 -5 = -13

2(-2)-5 = -4-5 = -9

2(1)-5 = 2-5 = -3

2(3)-5 = 6-5 = 1

2(5)-5 = 10-5 = 5

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Please do this <33333
SashulF [63]

We know that,

In a right-angled triangle,

Hypotenuse ² = Base ² + Height ²

1 – 10 ² = 6 ² + X ²

Or, X ² = 10 ² – 6 ²

Or, X ² = 100 – 36

Or, X ² = 64

Or, X = √ 64

Or, X = 8 Units

2– X² = 7² + 3²

Or, X² = 49 + 9

Or, X² = 58

Or, X = √58

Or, X = 7.61 Units ( Approx )

3 – 15 ² = EF ² + 9

Or, EF² = 15 ² – 9 ²

Or, EF ² = 225 – 91

Or, EF ² = 134

Or, EF = √ 134

Or, EF = 11.6 Inches ( Approx)

.II} 1 – Here the length of the ladder will be the hypotenuse.

Hence, Hypotenuse = 13 Metre

.Now, The vertical wall will be the height.

Hence, Height = 12 Metre

Distance of the foot of the ladder to the wall will be the base.

Let base be B.

Now, Hypotenuse ² = Base ² + Height ²

Or, 13² = B² + 12²

Or, B² = 13² – 12²

Or, B² = 169 – 144

Or, B² = 25

Or, B = √25

Or, B = 5 Metre

Hence, the distance of the foot of the ladder from the wall is 5 metre apart.

4 0
3 years ago
Leo has $10 more than Sofia and Jacob has $5 less than Sophia. Together, the three siblings have a total of $ 98. How much money
Mariulka [41]

Answer:

Sophia has 31

Leo has 41

Jacob 26

Step-by-step explanation:

5 0
3 years ago
What are the values for the coefficients and constant term of 0 = 2 + 3x2 – 5x?
tangare [24]

Keywords:

<em>Polynomial, variable, coefficients, constant term. </em>

For this case, the first thing we must do is rewrite the polynomial in a standard way. For this, we reorder the polynomial coefficients.

The standard form of the polynomial is:

ax ^ 2 + bx + c

Where,

a, b, c: are the coefficients of the polynomial.

x: is the variable

Rewriting the polynomial we have:

3x ^ 2-5x + 2

Comparing with the standard form we have that the values of the coefficients are given by:

a = 3\\b = -5\\c = 2

Answer:

The values for the coefficients and constant term are:

a = 3\\b = -5\\c = 2

4 0
3 years ago
Read 2 more answers
What is the y-coordinate of the solution to this system of equations?<br> 5x-8y=1<br> 3x+6y=-21
Vanyuwa [196]

5x-8y=1...(1)
3x+6y=-21...(2)

(1)*3:
15x-24y=3...(3)

(2)*5:
15x+30y=-105...(2)

(3)-(2):
15x-24y-(15x+30y)=3-(-105)
15x-24y-15x-30y=108
-54y=108
y=-2
6 0
3 years ago
Write the product using exponents (very easy)
goldfiish [28.3K]

Answer:

-9^{4} x x^{3}

Step-by-step explanation:

:)

3 0
3 years ago
Read 2 more answers
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