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yuradex [85]
4 years ago
9

Please to these no fake stuff please. Click on the paperclip to see problems.

Mathematics
1 answer:
Y_Kistochka [10]4 years ago
4 0
To calculate the area of a rectangle you multiply the length of the the sides, on 38) the sides are 4 and (3x-2) so to find the area do 4 x (3x-2) = 12x-8
To find the area of a right angled triangle you multiply the two sides and then divide by two, so for 39) and 40) follow this method but divide by two after as they’re triangles to find the area for these
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X / 2 = 7 find what x represents
Masteriza [31]

Answer:

x = 14

Step-by-step explanation:

X / 2 = 7

Multiply by 2 to isolate x.

x = 7 * 2

x = 14

3 0
3 years ago
Sammy is an hourly employee who makes $26 per hour as an elevator technician. He is paid overtime $13 for every hour that he wor
oksian1 [2.3K]

Answer:

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8 0
4 years ago
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4 0
4 years ago
What is the axis of symmetry of the function of -(x+9)(x-21)
DaniilM [7]
Expand
-x^2+12x+189

now
the axis of symmetry is -b/2a for ax^2+bx+c

so

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5 0
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using the formula distance = rate * time find the distance covered by an airplane flying at 300mph for 7 hours
Serga [27]
Just times 300 by 7 = 2100 miles
8 0
3 years ago
Read 2 more answers
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