3 years ago

Write a story about temperatures that this expression could represent: 27 + (-11)

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

7 0

Answer:

at noon the temperature was 27 degrees. At night, the sun went down and the temperature decreased by 11 degrees.

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Sveta_85 [38]

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2 years ago

(7i)(-4i) a. -28i b. 28 c. -28 d. -32i

levacccp [35]

Hey!

Explanation:

↓↓↓↓↓↓↓↓↓↓

First, remove parenthesis.

$7i4i$

Secondly, multiple by the numbers.

$7*4=28$

$-28ii$

Third, apply exponents rule.

$-28i^2$

$i^2=-1$

$-28(-1)$

Finally, refine.

$=28\\$

Answer⇒⇒⇒⇒28

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Line Segment AB has a slope of 1/3 and line segment CD has a slope of 1/3. This proves that

Elena L [17]

Answer:

Step-by-step explanation:

Parallel lines have equal slopes, thus

line AB is parallel to line CD

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