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Brilliant_brown [7]
3 years ago
5

Which of the following equations has exactly one solution?

Mathematics
2 answers:
Jlenok [28]3 years ago
8 0

Answer:

A and B

Step-by-step explanation:

simplify both sides of the equation

add 4x to both sides subtract 3 from both sides. Divide both sides by 9 and that's it

LenKa [72]3 years ago
6 0
I believe the answer is D :)
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blsea [12.9K]

Answer:

The ratio that exist between this three elements are 25 : 19 : 13.

Step-by-step explanation:

Ratio compares one thing to another. Ratios indicate the comparison of the size of a number to another . One trick about ratio is that you can multiply or divide the ratios by same number. For example the ratio of boy to girls can be represented as 3 : 4. If you multiply the ratios by 2 you will get the ratio 6 : 8 and it still represent the same ratios of boys to girls. Ratios can be written as a fraction for example 3/4 for our example.

The cost of the unit is made up of $6.25 , $4.75 and $3.25.

$6.25  $4.75  $3.25 . Let us multiply by 100 to remove the decimals.

625 : 475 : 325 . Now let simplify the ratios by dividing through by 25.

625/25 : 475/25 : 325/25 . The simplest ratios can be written as follows

The ratios are 25 : 19 : 13.

6 0
4 years ago
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Nutka1998 [239]

Answer:

B) ∠A ≅ ∠A

Step-by-step explanation:

the reflexive property of congruence states that an angle, line segment, or shape is always congruent to itself.

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3 0
4 years ago
Pls help meeee I don’t understand this at alll
balu736 [363]

Answer:

you need the formula for the cone , Korc

Step-by-step explanation:

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and that h = 9

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Step-by-step explanation:

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Answer:

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