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yuradex [85]
3 years ago
11

PLEASE HELP ME ON MY MATH TEAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
VladimirAG [237]3 years ago
7 0

Answer:

i am stuck on that one too

Step-by-step explanation:

Masja [62]3 years ago
3 0

Answer:

area of square : 144

area of triangles : 114

total area : 258 square cm

Step-by-step explanation:

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What number should be added to both sides of the equation to complete the square? X^2-10=7
Assoli18 [71]
I must assume that you meant   <span>X^2-10x =7.  If that is indeed the case, then:

</span>X^2-10x =7  =>  x^2 -10x + 25 - 25 = 7, so that (x-5)^2 = 32  (Add 25, then 
                                                                                                 subtract 25)
Then x-5 = plus or minus sqrt(16)sqrt(2) = 4sqrt(2).

Then x = 5 plus or minus 4 sqrt(2) (answers)
8 0
4 years ago
Given the two rectangles below. Find the area of the shaded region.
larisa86 [58]

Answer:

75 units²

Step-by-step explanation:

Bigger rectangle: length * width

                           : 10 * 9

                           : 90 units²

smaller rectangle: length * width

                             : 3 * 5

                             : 15 units²

Shaded region = Bigger rectangle - smaller rectangle

                         =     90 units²      -     15 units²

                         =        75 units²

4 0
2 years ago
3(2x + 4) + 2(x-2)<br> Match the equivalent expressions
mihalych1998 [28]

Answer:

3(2x+4)+2(x-2)

6x+12+2x-4

6x+2x+12-4

8x+8

I am from grade 9 from which grade are you

7 0
3 years ago
A restaurant offers three specials. a total of 40 of special a is order, 60 of special b, and 20 of special
Lina20 [59]
I think 18 but i dont know

8 0
3 years ago
14
notka56 [123]

Answer:

yes razi is correct pateran 3

Step-by-step explanation:

8 0
4 years ago
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