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IrinaVladis [17]
3 years ago
14

NEED HELP ASAP! PLEASE SHOW WORK THANKS RANDOM ANSWERS WILL BE MODERATED!

Mathematics
1 answer:
Yuri [45]3 years ago
3 0
S = 2(LW +H(L +W))
  = 2(2.2*3.0 +7.5(2.2 +3.0))
  = 2(6.6 +7.5*5.2)
  = 91.2 . . . . cm²

The appropriate choice is
  4)   91.2
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nadezda [96]

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solo se suma 5.40 estre 4,25

y el resultado que te d lo divides entre

896.00

Step-by-step explanation:

el resultado de estas operaciones es 537espero te sirva

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3 years ago
Abu solved 231 multiplication problems. Later, he also solved 131 divison problems. How many more multiplication problems than d
Eddi Din [679]

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3 years ago
5. The internal dimension of a tank are 14m, 8m and 5m. How much water can be
EleoNora [17]

Answer:

560,000L

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3 0
3 years ago
Solve for x.<br><br> ​4(5x−20)=−20​<br><br> Enter your answer in the box.<br><br> x =?
MrRissso [65]

Answer:

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6 0
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Read 2 more answers
Willing to brainlist solve 16-17 please during this exam
ivann1987 [24]

Answer:

16. B

17. B

Step-by-step explanation:

16. The intercept form of the parabola is

y=a(x-x_1)(x-x_2),

where x_1, x_2 are two x-intercepts.

In your case,

x_1=2\\ \\x_2=-8

so

y=a(x-2)(x-(-8))\\ \\y=a(x-2)(x+8)

To find <em>a</em>, substitute coordinates of the point (-6,-4) parabola is passing through

-4=a(-6-2)(-6+8)\\ \\-4=-16a\\ \\a=\dfrac{1}{4}

and

y=\dfrac{1}{4}(x-2)(x+8)

17. The vertex form of the parabola equation is

-2p(y-k)=(x-h)^2,

where <em>(h,k)</em> are the coordinates of the vertex and sign "-" because parabola goes down.

In your case, vertex is (2,3), so

-2p(y-3)=(x-2)^2

The vertex is 3 units from the focus, then

\dfrac{p}{2}=3\\ \\p=6

The equation of the parabola is

-2\cdot 6(y-3)=(x-2)^2\\ \\y=-\dfrac{1}{12}(x-3)^2+3

8 0
4 years ago
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