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stealth61 [152]
3 years ago
12

Simplify 7x + 7 + 6x - 9.

Mathematics
2 answers:
jek_recluse [69]3 years ago
7 0
The answer to this is 13x-2

ratelena [41]3 years ago
3 0
The answer is 13x-2.
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Similar Triangles
NeTakaya

Answer:

5.3 ft

Step-by-step explanation:

Because CD corresponds to BC, the scale factor from triangle ABC to triangle CDE, is 7/8. Now, DE corresponds to AB, so to get DE, we must multiply the value of AB by 7/8. 6 times 7/8 is 5.25, and rounding to the nearest tenth of a foot, the value of DE is 5.3.

3 0
3 years ago
I do not understand how to work out this question please help
enot [183]

a) To find the missing side length on triangle A, we can use the Pythagorean theorem.

a^2 + 12^2 = 13^2

a^2 + 144 = 169

a^2 = 25

a = 5 cm

5 and 12 = 5 and 12

b) The two triangles are congruent because they have two side lengths in common. If at least two side lengths are the same on two triangles, then they are congruent. In addition, these triangles have one angle in common as well.

Hope this helps!! :)

8 0
2 years ago
1/8 convert to decimal
Hitman42 [59]

Answer:

.125

Step-by-step explanation:

4 0
3 years ago
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Is it a function? {(3,2),(0,1),(-2,1),(3,-2)}
11111nata11111 [884]

Answer:

no

Step-by-step explanation:

to know if it is a function or not look at the x coordinate if any of the x coordinates repeat then its not a function but of any of the x coordinates don't repeat than it is a function

5 0
3 years ago
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Simplify 8^4 •8^2 to an exponential expression
timurjin [86]

a^n\cdot a^m=a^{n+m}\\\\-------------------------------\\\\8^4\cdot8^2=8^{4+2}=8^6

5 0
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