3 years ago

Would 7x = 28 represent any geometric proof?

Mathematics

2 answers:

slamgirl [31]3 years ago

3 0

Answer: yes because the x could be 4 then 7 times 4 is 28 which would make this math sentence true

Step-by-step explanation:

arsen [322]3 years ago

3 0

Answer: Yes

Step-by-step explanation:

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Radda [10]

Let the number of text messages be represented by X.

Then the total cost of David's cell phone adds up to
$50.00 + 0.45x$

Since the total cost of David's phone equals $91.40, we get the following equation.
$50.00 + 0.45x = 91.40$

Subtract 50 on both sides
$0.45x = 41.40$

Divide both sides by 0.45
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Therefore David has send 92 text messages.

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3 years ago

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givi [52]

Answer:

Step-by-step explanation:

∆ABC ~ ∆DEF

AB/DE

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Answer: AC

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3 years ago

Connor and Angie helped take attendance during their school's practice fire drill. If the actual count was between 77 and 89, in

scoundrel [369]

Answer:

±12

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