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2 years ago

State whether the triangles are similar. Number 16

Mathematics

1 answer:

STatiana [176]2 years ago

4 0

Answer: $\triangle ABD \sim \triangle CBD$ by SAS

Step-by-step explanation:

$\overline{BD} \cong \overline{BD}$ by the reflexive property, so $\triangle ABD \cong \triangle CBD$ by SAS. Since all congruent figures are similar, this means that $\boxed{\triangle ABD \sim \triangle CBD}$ by <u>SAS</u>.

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3 years ago

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Read 2 more answers

A 14 gram sample of a substance that's used to preserve fruit and vegetables has a k-value of 0.1092. Find the substance's half-

nignag [31]

Answer:

t = 6.3

Step-by-step explanation:

N=Noe^(-kt)

No = 14 grams

k = .1092

We want to find t when N = 7 or 1/2 of 14

N=Noe^(-kt)

7 = 14 e ^ (-.1092t)

Divide each side by 14

1/2 = e ^ (-.1092t)

take the natural log of each side

ln (1/2) = ln e ^ (-.1092t)

ln (1/2) = -.1092t

Divide each side by -.1092

ln (1/2)/ -.1092 = t

t≈6.3475

Rounding to the nearest tenth

t = 6.3

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3 years ago