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3 years ago

Which of the following sentences could not be used to represent the equation x - 5 = -10? the real answer, please

Mathematics

2 answers:

rjkz [21]3 years ago

7 0

Answer:

you didn't add options for the sentences, but

x-5 =-10 (add 5 to both sides to get x alone)

x= -5

so anything that has to do with x equaling - 5 would be correct

after reading through the sentences, the correct answer is:

a number subtracted from five is equal to negative ten

because that sentence is saying " 5 - n = - 10 " and that's not what's happening

Step-by-step explanation:

Zepler [3.9K]3 years ago

4 0

Answer
X=-5

Explanation

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Write a coordinate proof to prove that the segment that joins the vertex angle of an isosceles triangle to the midpoint of its b

Natalija [7]

Answer:

Slope of the base segment line is zero, hence base segment is horizontal

Slope of the segment that joins the vertex angle to the midpoint of its base is undefined hence the line is vertical

Therefore, angle between base segment line and the segment line from the vertex angle to the midpoint is perpendicular

Therefore, the segment that joins the vertex angle to an isosceles triangle to the midpoint of its base is perpendicular to the base

Step-by-step explanation:

Here we prove the required relation as follows;

Let the isosceles be ABC

The coordinates of the points are

C = (0, 0) (Vertex)

A = (-a, b)

C = (a, b)

P = (0, b) (Midpoint of base)

Therefore, the gradient or slope of the base AC is presented as follows;

$Slope, m \, of \. base, \, AC= \frac{dy}{dx} = \frac{b - b}{a - (-a)} = \frac{0}{2\cdot a} = 0$

Hence, segment AC is vertical

$Slope, m \, of \, segment \ CP \, joining \, vertex, \, to \, midpoint, P, on \,AC = \frac{0 - b}{0 - 0} = \frac{-b}{0} = Undifined.$

Hence, segment CP is vertical

Therefore, the segment that joins the vertex angle to an isosceles triangle to the midpoint of its base is perpendicular to the base.

6 0

3 years ago

The median of 2,3,3,4,5,6,6,6,7,9

nekit [7.7K]

Answer:

11/2

Step-by-step explanation:

2,3,3,4,5,6,6,6,7,9

5+6/2

11/2

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

6 0

3 years ago

Help please (look at the picture)

BARSIC [14]

Answer:

vertex = (- 4, - 5 )

Step-by-step explanation:

The standard form of the absolute function is

y = a | x - h | + k

where (h, k ) are the coordinates of the vertex

g(x) = 2 | x + 4 | - 5 ← is in standard form

with vertex (h, k ) = (- 4, - 5 )

6 0

3 years ago

Asim is going to cover the path with paving. Each paving stone is a square of size 30cm. Each paving stone costs £2.50. How many

Stels [109]

Answer:

Asim will need 84 stones to cover the path and it will cost £210.

Step-by-step explanation:

This question is incomplete, here is the complete question.

"Asim is going to cover the path with paving.Each paving stone is a square of side 30 cm.Each paving stone costs £2.50. How may paving stones will it take to cover the path and how much will they cost Asim to buy?

The diagram shows a rectangular garden path

The length is 630 cm

The width is 120cm"

Dimensions of the rectangular garden path = 630 × 120 cm

Area of the garden path = Length × Width

Area = 630 × 120 = 75,600 cm²

Each square paving stone has each side = 30 cm

Area of each paving stone = 30 × 30 = 900 cm²

The number of stones it will take to cover the path = $\frac{75,600}{900}$

= 84 stones.

Cost of each paving stones = £2.50

Cost of 84 paving stones = 84 × 2.50

= £210

Asim will need 84 stones to cover the path and it will cost £210.

7 0

3 years ago

Find the equation of the line shown.

lina2011 [118]

Answer:

Step-by-step explanation:

I think it might be 2n sorry if I'm wrong

8 0

2 years ago