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dalvyx [7]
3 years ago
8

Which explanation correctly solves this problem?

Mathematics
1 answer:
Nastasia [14]3 years ago
4 0

Answer:

It  is the second choice.

Step-by-step explanation:

11.5 + 2*1.5 + 3.25 + 6

when calculating the above you multiply the 2 *and 1.5 first then do the adds.

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hhhhhhhhhhhhhhhhuuuuuuuuuuuuuuuurrrrrrrrrrrrrrrrrryyyyyyyyyyyyyyyyyyyyyyy ppppppppppppppllllllllllllllllllllllllllllllllllllllll
zavuch27 [327]

Answer:

A. 3 1/4

Step-by-step explanation:

Convert the mixed numbers to improper fractions, then find the LCD and combine.

8 0
3 years ago
Read 2 more answers
The lengths of the
Dmitrij [34]

Answer:

S_{\Delta ABC} = 4·S_{\Delta EDC}

Step-by-step explanation:

From the midpoint theorem, which states that the line that a line drawn such that it joins the midpoints of two sides of a triangle, is parallel to the third side of the triangle and is equal to half the length of the third side

Therefore, the lengths of the sides of ΔDEF, drawn by joining the midpoints of ΔABC is equal to half the length of and parallel to the corresponding side of ΔABC

We therefore, have that the corresponding sides of ΔABC and ΔDEF have a common ratio and a pair of sides in each triangle form same angles, therefore;

ΔDEF is similar to ΔABC by Side, Side, Side SSS similarity.

The length of the perimeter of ΔABC, S_{\Delta ABC} = 2 × The length of the perimeter of triangle ΔEDC, S_{\Delta EDC}

S_{\Delta ABC} = 2 ×  S_{\Delta EDC}

∴  S_{\Delta ABC}  ≠ 4 ×  S_{\Delta EDC}

The statement which is incorrect is therefore;

S_{\Delta ABC}  = 4 ×  S_{\Delta EDC}.

4 0
3 years ago
Find the x and y intercepts
7nadin3 [17]

Answer:

x:(-1,0),(5,0)

y:(0,-2)

5 0
3 years ago
Read 2 more answers
In the expression 4×(2+6), how does having the 4× in front of the parentheses affect the overall value of the expresssion
lina2011 [118]
It is the multiplying factor for the whole equation if that makes sense.
8 0
3 years ago
Read 2 more answers
6/7 divided by 12/14 please show the work
Minchanka [31]

Answer:

1

Step-by-step explanation:

When dividing one fraction by another, the best way to solve it is to multiply by the reciprocal. The reciprocal just flipping the fraction over. So you would leave the 6/7 and the multiply by 14/12( because you are multiplying by the reciprocal). When you do that, you then can just multiply the top and the bottom to form one fraction. The numerator is 6*14 = 84, and the denominator is 7*14 = 84. So you are left with 84/84 which anything over itself is equal to one.

Hope this helps!

3 0
3 years ago
Read 2 more answers
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