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Umnica [9.8K]
3 years ago
11

Simplify the following expression

Mathematics
2 answers:
disa [49]3 years ago
8 0

Answer:

B

Step-by-step explanation:

2a^2 (3a^3) = 6a^5

2a^2(-5a^2) = -10a^4

so answer is 6a^5 - 10a^4

Aleksandr-060686 [28]3 years ago
3 0

Answer:

6a^5 - 10a^4 would have to be the answer which is B

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Stella [2.4K]

Answer:

9 cups

Step-by-step explanation:

We can use ratios to solve

1/3 cup red             4 cups red

----------------- =  -------------------

3/4 cup yellow        x cups yellow

Using cross products

1/3 *x = 3/4 *4

1/3x = 3

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3 years ago
I don’t understand how to do it ?
Temka [501]

We know that Sum of Angles in a Triangle is Equal to 180°

Here EBF is a Triangle

⇒ m∠EBF + m∠BEF + m∠EFB = 180°

⇒ 60° + 40° + m∠EFB = 180°

⇒ 100° + m∠EFB = 180°

⇒ m∠EFB = 180° - 100°

⇒ m∠EFB = 80°

As Line m and Line p are Parallel Lines :

Alternate Interior Angles are Equal, here Alternate Interior Angles are m∠BEF and m∠ABE

⇒ m∠BEF = m∠ABE

⇒ m∠ABE = 40°

We know that Vertically Opposite Angles are Equal, Here m∠GFI and m∠EFB are Vertically Opposite Angles.

⇒ m∠GFI = m∠EFB

⇒ m∠GFI = 80°

We can notice that m∠DEB and m∠BEF form a Linear Pair

⇒ m∠DEB + m∠BEF = 180°

⇒ m∠DEB + 40° = 180°

⇒ m∠DEB = 180° - 40°

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We can notice that Sum of Angles m∠CBF and m∠EBF and m∠ABE is 180°

⇒ m∠CBF + m∠EBF + m∠ABE = 180°

⇒ m∠CBF + 60° + 40° = 180°

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⇒ m∠CBF = 180° - 100°

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We can notice that m∠BFG and m∠EFB form a Linear Pair

⇒ m∠BFG + m∠EFB = 180°

⇒ m∠BFG + 80° = 180°

⇒ m∠BFG = 180° - 80°

⇒ m∠BFG = 100°

We know that Vertically Opposite Angles are Equal, Here m∠BFG and m∠IFE are Vertically Opposite Angles.

⇒ m∠BFG = m∠IFE

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