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4 years ago

Find the median of the list 12,18,21,25,30,43

Mathematics

2 answers:

BlackZzzverrR [31]4 years ago

4 0

The median is 21 and 23

Anarel [89]4 years ago

3 0

Answer:

21+25=46 ÷2 =23 what you do is cancel out the numbers and find the middle

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3 years ago

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james and elaine share a box of sweet in the ratio 2:3 what fraction of sweets does a)james b) elaine receive

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nswer:

SEE BELOW FOR ANSWER

Step-by-step explanation:

THE PROBLEM TELLS US JAMES AND THEN ELAINE

SO THE RATIO IS JAMES 2 AND ELAINE 3

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3 years ago

PLEASE HELP IF POSSIBLE!!

mestny [16]

Answer:

Part 4) AA Similarity Postulate

Part 5)

The congruent angles are

m<ACB=m<CED , m<ABC=m<CDE, m<BAC=m<DCE

The proportional segments are

$\frac{AB}{DC}=\frac{BC}{DE}=\frac{AC}{CE}$

Step-by-step explanation:

Part 4) we know that

If BC is parallel to DE

then

Triangles ABC and CDE are similar by AA Similarity Postulate ( the three interior angles are congruent)

m<ACB=m<CED ------> by corresponding angles

m<ABC=m<CDE -----> both angles measure is 90 degrees

m<BAC=m<DCE -----> the sum of the interior angles of a triangle must be equal to 180 degrees

If two figures are similar, then the ratio of its corresponding sides is equal

$\frac{AB}{DC}=\frac{BC}{DE}=\frac{AC}{CE}$

substitute the values

$\frac{6}{4}=\frac{8}{DE}=\frac{AC}{CE}$

Find DE

$\frac{6}{4}=\frac{8}{DE}$

$DE=8*4/6=16/3\ units$

In the triangle ABC

Applying Pythagoras Theorem

Find AC

$AC^{2}=AB^{2}+BC^{2}$

$AC^{2}=6^{2}+8^{2}$

$AC^{2}=100$

$AC=10\ units$

Find CE

$\frac{6}{4}=\frac{AC}{CE}$

$\frac{6}{4}=\frac{10}{CE}$

$CE=10*4/6=20/3\ units$

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3 years ago

Paula bought a ski jacket on sale for $5 less than half its original price. She paid $87 for the jacket. What was the original p

charle [14.2K]

Answer:

$184

Step-by-step explanation:

87 is 5 less than 1/2 of the price without a sale. in that case 92 would be half the cost. To find the full value you would multiply 92 by two to get 184

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3 years ago

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