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s344n2d4d5 [400]
3 years ago
5

place an x in the table to show the precent decrease from the first number to the second number. giving brainliest!!

Mathematics
2 answers:
GarryVolchara [31]3 years ago
8 0

Answer:i added a picture, I hope it’s good.

150 - 22% = 117

340 - 25% = 255

450 - 22% = 351

dezoksy [38]3 years ago
4 0

Answer:

150 to 117 is 25%

340 to 255 is 25%

450 to 351 is 22%

Step-by-step explanation:

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Please help! i'm confused!<br> Find the area of a kites with diagonals 9in and 12in.
kolbaska11 [484]
Notice the picture
the rhombus, or kite, is really just 4 triangles
all sides are the same lenght in a rhombus,

thus, find the area of all of the triangles,
and you already have two sides given,
and then, add them up

or just find the length of one, and multiply times 4 :)

recall, area of a triangle = 1/2 bh

8 0
3 years ago
Anna can buy 3 sweatshirts for a total of $45.H
Masteriza [31]

Answer: Anna could buy 5 sweatshirts for $60.


Step-by-step explanation:

lets figure out the price of one sweatshirt.

45/3 = 15

one sweatshirt is $15

5*15=60

so 5 sweatshirts cost $60

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3 years ago
.Occurrences in the natural and human-made world that can be observed and cause one to wonder and ask questions are known as wha
weqwewe [10]

Answer:

scientific phenomena

Step-by-step explanation:

5 0
2 years ago
dynasty has a saving account with a starting balance of 250. She decide to add 15 per week write the function notation
tester [92]

Answer:

y = 250 + 15x

Step-by-step explanation:

8 0
3 years ago
It is known that the straight line l is tangent to the circle x^2+y^2=4 at a point on the x-axis, and intersects with the straig
Talja [164]

Step-by-step explanation:

The general equation of a circle is

                                         (x \ - \ h)^2 \ + \ (y \ - \ k)^2 \ = \ r^{2},

where <em>h</em> and <em>k</em> forms the coordinates of the centre of the circle.

When the circle has a centre at the origin, the equation reduces into

                        .                            x^2 \ + \ y^2 \ = r^2.

Now, we are interested in solving for the <em>x</em>-intercepts (the <em>x</em>-coordinates when the circle intersects the <em>x</em>-axis), of the circle

                                                      x^2 \ + \ y^2 \ = \ 4 .

Thus,

                                                     x^2 \ + \ (0)^2 \ = \ 4 \\ \\ \\ \-\hspace{1.3cm} x^{2} \ = \ 4 \\ \\ \\ \-\hspace{1.4cm} x \ = \ \pm \ 2.

Geometrically speaking, the tangent to the circle at the point defined by one of the <em>x</em>-intercepts of the circle is actually a vertical line, more specifically the lines x \ = \ \pm \ 2.

First and foremost, for the vertical line x \ = \ 2, it intersects the straight line y \ = \ \displaystyle\frac{1}{2}x  , giving the y-coordinate for point P,

                                                    y \ = \ \displaystyle\frac{1}{2}(2) \\ \\ \\ y \ = \ 1.

Hence, the coordinates of point P are (1, \ 1).

However, since there are no boundaries given in the question and a circle is symmetrical about its centre, thus, point P also exists when the vertical line x \ = \ -2 and interdects the straight line y \ = \ \displaystyle\frac{1}{2}x.

                                                      y \ = \ \displaystyle\frac{1}{2}(-2) \\ \\ \\ y \ = \ -1.

Therefore, the coordinates of point P are also (1, \ -1).

8 0
2 years ago
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