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shepuryov [24]
3 years ago
8

Use absolute value to write an expression describing the size of each amount. An elevation of 250 feet.

Mathematics
1 answer:
Kruka [31]3 years ago
4 0

Answer:

The absolute value of a number is always positive.

if x > 0 , then |x| = x

if x < 0 , then |-x| = x

Use the absolute value.

To find an expression for: An elevation of 250 feet.

Elevation mean the height of a place above the sea level.

An elevation of 250 feet =  +250

then, using absolute value:

Size of each amount,  |+250| = 250


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The midpoint of segment ST is M(5,2). One endpoint is S(-1, -7). Find the coordinates of the other endpoint.
Tasya [4]

Answer:

The other endpoit has this cordinadetes (11, 11).

Step-by-step explanation:

Midpoint (MD) (Xm, Ym)

Xm = 5

Ym = 2

Xm of the Midpoint:    Xm = X1 + X2/ 2

Ym of the Midpoint:    Ym = Y1 + Y2/2

<em>We can say that S is (x1, y1), so x1 = -1 and y1 = -7</em>

Then:

Xm = -1 + x2/2

5= -1 + x2/2

10 = -1 + x2

x2 = 11

Also:

Ym = -7 + y2/2

2 = -7 + y2/2

4 = -7 + y2

11 = y2

8 0
3 years ago
Ming spent $18 on three colored markers,<br> How much did each marker cost?
ivanzaharov [21]

Answer:

3

Step-by-step explanation:

3+3+3+3+3+3=18

6 0
3 years ago
Read 2 more answers
Why is math so hard and if anyone knows what does 15/9=
bogdanovich [222]

Answer

\frac{15}{9}  = 1\frac{2}{3}

Step by step explanation

Here we are given 15/9 which means Divide 15 by 9.

Which is also called improper fraction since the numerator is higher than the denominator.

We can convert this improper fraction to mixed fraction by dividing.

When we divide 15 by 9, we get 1 as quotient and 6 as the remainder.

\frac{15}{9}  = 1 \frac{6}{9}

Here can reduce the fraction 6/9

We can divide fraction by 3, we get

6/9 = 2/3

Therefore, the answer is \frac{15}{9} = 1 \frac{2}{3}


Thank you:)

5 0
3 years ago
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32x+80y = 1280<br> 6x+ 20y=330<br> Solve system of equations
svetlana [45]

Answer:

y= -2/5x+16

y=-3/10x+33/2

5 0
3 years ago
In a coordinate plane, triangle ABC has vertices A(- 4, 5), B(- 4, - 4) , and C(3,-4), . Find the perimeter of triangle ABC to t
4vir4ik [10]

Answer: perimeter of triangle ABC to the nearest tenth = 27.4

Step-by-step explanation: Given that

vertices are

A(- 4, 5), B(- 4, - 4) , and C(3,-4)

Length AB = root( [-4-5]^2 + [-4+4]^2)

Length AB = sqr(9^2) = 9

Length AC = root( [-4-5]^2 + [3+4]^2)

Length AC = sqr( 9^2 + 7^2)

Length AC = sqr(130) = 11.4

Length BC = root( [-4+4]^2 + [3+4]^2)

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Perimeter = 9 + 11.4 + 7 = 27.4

7 0
4 years ago
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