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kondor19780726 [428]
4 years ago
15

Missing coordinate in triangle geometry Triangle abc has vertices with a (x,3) b(-3,-1) and c (-1-4) determine and state a value

of x that would make triangle abc a right triangle
Mathematics
1 answer:
xxMikexx [17]4 years ago
6 0
X would be (-1,-7) I believe
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What is 10% of 4,550
Lena [83]
The answer would be 445.
5 0
4 years ago
The mass of a certain 10k gold necklace is 18 grams. How many grams of gold are in the necklace?
Natasha2012 [34]

Given

The mass of a certain 10k gold necklace is 18 grams.

Find out  how many grams of gold are in the necklace.

To proof

let us assume that the gold in the  necklace be x.

As given in the question

10k gold necklace i.e   gold necklace is made up  of the various elements with the gold.

10k gold necklace is 18 grams.

As pure gold is of the 24k.

than the equation becomes

x = \frac{10\times18}{24}

solving

x =7.5 gram

7.5 grams of gold are in the necklace .

Hence proved



5 0
3 years ago
The perimeter of a rectangular backyard is 146 feet. It is 40 feet long. How wide is it?
asambeis [7]

9514 1404 393

Answer:

  33 ft

Step-by-step explanation:

The perimeter formula for a rectangle is ...

  P = 2(L +W)

Filling in the given numbers, we have ...

  146 = 2(40 +W)

  73 = 40 +W . . . . . . . divide by 2

  33 = W . . . . . . . . . . . subtract 40

The backyard is 33 feet wide.

7 0
3 years ago
Geometry. I'm really struggling with this.
julia-pushkina [17]

Answer:

The measure of Angle G is 62.5°.

Step-by-step explanation:

Given:

Δ EFG is an Isosceles Triangle.

EG = EF

m∠ E = 55°

To Find:

m∠ G = ?

Solution:

Δ EFG is an Isosceles Triangle. ........Given

EG = EF                                   ..............Given

∠ G = ∠ F = x (say)              ..................Isosceles triangle property

Now in Δ EFG we have

∠ E + ∠ G + ∠ F = 180° .......... Angle sum property of triangle

On substituting the values we get

55 + x +x =180\\\\2x=180-55\\\\2x=125\\\\\therefore x=\frac{125}{2} =62.5\°\\\\\therefore x=62.5\°

The measure of Angle G is 62.5°.

8 0
3 years ago
I know I just fill in -1 with x but I’m stuck with 2 different answers and this is an exam sooooo I don’t wanna risk it. Can som
son4ous [18]

Answer:

g(-1) = 4

Step-by-step explanation:

Given:

g(x) = \frac{3x^2 - 2x + 7}{2x + 5}

To find g(-1), substitute x = -1

Thus:

g(-1) = \frac{3(-1)^2 - 2(-1) + 7}{2(-1) + 5}

g(-1) = \frac{3 + 2 + 7}{-2 + 5}

= \frac{3 + 2 + 7}{-2 + 5}

= \frac{12}{3}

g(-1) = 4

7 0
3 years ago
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