PLEASE HELP GEOMETRY

Mathematics

2 answers:

svet-max [94.6K]3 years ago

8 0

The new co ordinate would be (3,-1)

d1i1m1o1n [39]3 years ago

6 0

Answer-

The coordinates of the image of vertex F after a reflection across the line y = –x will be (3, -1)

Solution-

The co-ordinate of the vertex F is (1, -3).

We know that while reflecting a point with coordinate (x, y) over y=-x line, it becomes (-y, -x).

So applying this rule for vertex F, the new coordinates will be,

$=(-(-3),\ -(1))$

$=(3,\ -1)$

Therefore, after reflection the coordinates of F will be (3, -1).

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mafiozo [28]

Step-by-step explanation:

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2 years ago

in a certain chemical, the ratio if zinc to copper is 3 to 16. a jar of the chemical contains 320 grams of copper. how many gram

Dennis_Churaev [7]

Answer:

60 grams

Step-by-step explanation:

For these type of questions, we can equate the ratio with the actual amounts. We will let the quantity to find be an unknown variable, such as x. Then we equate the ratios, cross multiply, and use algebra to solve.

Let grams of zinc be "x", so we can write the ratios and actual amounts as:

$\frac{3}{16}=\frac{x}{320}$