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SpyIntel [72]
3 years ago
8

Can someone please help me with this question? Thanks.

Mathematics
2 answers:
worty [1.4K]3 years ago
7 0

Answer:

(24x+40) \: cm^2

Step-by-step explanation:

Area of rectangle is lw

8 \times (3x+5)

The length is (3x+5) cm.

The width is 8 cm.

8(3x+5)

Expand the brackets.

8(3x)+8(5)

24x+40

katrin2010 [14]3 years ago
3 0

Area = length x width

Area = 3x + 5 Cm x 8 cm

Multiply each term by each term.

Area = 24x + 40 square cm

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3 years ago
The sum of the measures of angle x and y is 90. If the measures of angle x is 30 less than twice the measures of angle y what is
svp [43]
First set up your two equations:

x + y = 90

x = 2y - 30

Then substitute what x equals in the second equation into the first equation:

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Then use y = 40 and substitute the value for y into one of your original equations and solve for x.  I'll choose the first one, but either one will work.

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Verizon [17]
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Read 2 more answers
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