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beks73 [17]
3 years ago
5

Don't understand the question.

Mathematics
2 answers:
Finger [1]3 years ago
8 0
The solution is D.
From the top right & left corners drop a perpendicular line to the base forming right triangles on the right and left sides. This makes the center [art of the base  12 and the base of the triangles 7. Use the Pythagorean Theorem to find the altitude, which is the same as the height.
7^2 + b^2 = 25^2
b^2 = 25^2 - 7^2
b = 24 

Doss [256]3 years ago
6 0
H=2 A/a+b try solving the problem using this formula....sorry I couldn't answer the question
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|2x-5|=9 please awnser i need this for math
7nadin3 [17]

Answer:

7

Step-by-step explanation

2x = 14

divide by 2

8 0
1 year ago
A swimming pool  20 m long and 10 m wide is surrounded by a deck of uniform width. The total area of the swimming pool and the d
Anna007 [38]
S = 704 \ m^2 \\width \ of \ the \ deck - x \\ \\S=a \cdot b \\ \\ (10+2x)(20+2x) = 704 \\ \\ 200+20x +40x+4x^2-704 =0\\ \\4x^2 +60x -504=0\ \ /:4
 
x^2+15x -126=0\\ \\a=1, \ b=15 , \ c= - 126 \\ \\\Delta =b^2-4ac = 15^2 -4\cdot1\cdot (-126) = 225 +504=729 \\ \\x_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{-15-\sqrt{729}}{2 }=\frac{ -15-27}{2}=\frac{-42}{2}=-21 \ can \ not\ be \ negative \\ \\x_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{-15+\sqrt{729}}{2 }=\frac{ -15+27}{2}= 6 \ m \\ \\ Answer : \   waist \ width  \ is \ 6 \ m


8 0
2 years ago
Read 2 more answers
Which equation is in slope intercept form and represents a line with slope 0 through the point (2,3)
Neko [114]
The slope is m = 0 and the line goes through the point (x,y) = (2,3). So x = 2 pairs up with y = 3.

Plug m = 0, x = 2, y = 3 into the equation below. Then solve for b
y = mx+b
3 = 0*2+b
3 = 0+b
3 = b
b = 3

So if m = 0 and b = 3, then
y = mx+b
y = 0*x+3
y = 0+3
y = 3
is the equation of this line. This line is completely horizontal going through points like (0,3), (1,3), (2,3), etc. Every point on this line has a y coordinate of 3. The x coordinate can be any number you want.

Answer: Choice C) y = 3
4 0
3 years ago
Read 2 more answers
On a 3 girl basketball team Angie scored 2/5 of her teams points.Brooke scored 30%,and Callie scored the rest .What percentage o
kirza4 [7]

Answer:

  30%

Step-by-step explanation:

  100% - 2/5 - 30% = 100% - 40% - 30% = 30%

Callie scored 30% of her team's points.

6 0
3 years ago
Read 2 more answers
Scuba diver dives at a rate of 20 ft./min. If the diver starts at the surface what is the depth of the diver after 4 minute
Paraphin [41]

Answer:

80 ft

Step-by-step explanation:

Distance = rate x time. Therefore, 20 ft / min x 4 min = 80 ft.

6 0
2 years ago
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