3 years ago

Can someone help me? +brainliest & 15 pts+

Mathematics

2 answers:

Ghella [55]3 years ago

8 0

Answer:

9x10^4

Step-by-step explanation:

1.7x10⁵-8*10⁴=10⁴(1.7x10-8)=10⁴(17-8)=9x10⁴

vfiekz [6]3 years ago

5 0

Answer:9x10⁴

Step-by-step explanation:

1.7x10⁵-8*10⁴=10⁴(1.7x10-8)=10⁴(17-8)=9x10⁴

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3 years ago

In obtuse triangle ABC, mA = 104 and mC = 32. Find mB.

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3 years ago

Prove algebraically that (m + 2)2 – m 2 – 12 is always a multiple of 4

Julli [10]

Answer:

$(m + 2)^{2} - m^{2} - 12 = 4(m - 2)$

Step-by-step explanation:

Step 1:

Write the expression

$(m+2)^{2} - m^{2} - 12$

Step 2: Expand $(m + 2)^{2}$

$(m+2)^{2} - m^{2} - 12\\(m+2)(m+2) - m^{2} - 12\\m^{2} + 2m + 2m + 4 - m^{2} - 12$

Step 3: Collect similar terms

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Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.

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