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ra1l [238]
3 years ago
12

X + 8 = 14 solve each equation using the substitution method

Mathematics
2 answers:
attashe74 [19]3 years ago
7 0

Answer:

x=6

Step-by-step explanation:

14-8 equals 6, thos leaves you with x=6

likoan [24]3 years ago
6 0

Answer:

X + 8 = 14

X + 8 = 14

- 8 | - 8

__________

X = 6

Step-by-step explanation:

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Find the surface area of composite figures
Aleonysh [2.5K]

  • Answer:

<em>429 cm²</em>

  • Step-by-step explanation:

<em>A(blue) =</em>

<em>= 2×6cm×10cm + 2×6cm×8cm + 8cm×10cm + (8cm×10cm - 5cm×4cm)</em>

<em>= 120cm² + 96cm² + 80cm² + 60cm²</em>

<em>= 356 cm²</em>

<em>A(green) =</em>

<em>= 4cm×5cm + 2×5cm×5cm/2 + 4cm×7cm</em>

<em>= 20cm² + 25cm² + 28cm²</em>

<em>= 73 cm²</em>

<em>A(total) =</em>

<em>= A(blue) + A(green)</em>

<em>= 356 cm² + 73 cm²</em>

<em>= 429 cm²</em>

6 0
3 years ago
Read 2 more answers
vic and ben's ages are in the ratio of 3:4. if vic is 12 years old and 3 months old how old is ben in years and months??
posledela
Converting their ages to months:
12*12=144months + 3 months
=147 months
Now, 3 is equivalent to 147 months;
4 will be equivalent to;
4*147/3
= 196 months
= 16 years and 4 months

4 0
3 years ago
What is the slope of a line perpendicular to the line whose equation is x−2y=12.
seraphim [82]

Answer:

-2/x

Step-by-step explanation:

simplified is y = -x/2 - 6

Perpendicular slopes are just reciprocals of the original slope, so just flipp the original slope around to be the complete opposite.

Example if slope= -2, the reciprocal= -1/2

Just flip the numerator with the denominator for perpendicular slope

6 0
2 years ago
What is the average of two opposite numbers?
Kryger [21]

Answer:

0

Step-by-step explanation:

So lets imagine x as our number

Let's make an equation:

Average=\frac{x-x}{2} \\Average=\frac{o}{2} \\Average=0

So, This would mean that the average of two opposite numbers is always 0

Hope this helps!

Stay Safe!

8 0
3 years ago
A rectangular shaped desk has a length of 25 inches and a width of 18 inches. A desk with a similar shape has a length of 60 inc
dsp73
Length 25/ length 60 = width 18/ ? Width
Cross multiply
?= 18•60/25= 43.2 in
8 0
3 years ago
Read 2 more answers
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