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Scorpion4ik [409]
2 years ago
8

Marcelo had $49.13 in his bank account. He paid two fees of $32.50 each, and then he made two deposits of $74.25 each. Write an

expression to represent the situation. *
Mathematics
2 answers:
kakasveta [241]2 years ago
4 0

Answer:

(32.50 x 2) - 49.13 - (74.25 x 2)

Step-by-step explanation:

49.13  (32.50 + 32.50) - 49.13

            $67.00 - $49.13

                    -17.87

                                                        $74.25 x 2 = $148.5

        148.5 - 17.87 = 130.63

Sergeu [11.5K]2 years ago
4 0

Answer:  49.13-2(32.50)+2(75.25)

Step-by-step explanation:

49.13-65.00+150.5

-15.87+150.5

134.63

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A mapping diagram showing a relation, using arrows, between input and output for the following ordered pairs: (negative 3, negat
il63 [147K]

Answer:

  {x | x = –5, –3, 1, 2, 6}

Step-by-step explanation:

The domain is the list of first-values of the ordered pairs:

   {x | x = –5, –3, 1, 2, 6}

7 0
2 years ago
Read 2 more answers
a previous analysis of paper boxes showed that the standard deviation of their lengths is 15 millimeters. A packers wishes to fi
vladimir1956 [14]

Answer:

864.36 boxes

Step-by-step explanation:

In the question above, we are given the following values,

Confidence interval 95%

Since we know the confidence interval, we can find the score.

Z score = 1.96

σ , Standards deviation = 15mm

Margin of error = 1 mm

The formula to use to solve the above question is given as:

No of boxes =[ (z score × standard deviation)/ margin of error]²

No of boxes = [(1.96 × 15)/1]²

= 864.36 boxes

Based on the options above, we can round it up to 97 boxes.

8 0
2 years ago
Solve x2 + 10x + 12 = 36 for x.
tankabanditka [31]
X=2 my friend 
hope this helps!
8 0
2 years ago
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Drag the tiles to the boxes to form correct pairs. Match the mathematicians to their descriptions.
velikii [3]
Euclid : known as father of geometry
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6 0
2 years ago
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Mr. Alvarez makes a walkway out of 3 cement slabs. He uses 14 cubic feet of cement to make the walk way. Each square slab has a
Natalija [7]

Answer:

The middle slab is 2 cubic feet.

Step-by-step explanation:

The problem presents the information: Mr. Alvarez makes a walkway out of 3 cement slabs.

However, he uses 14 Cubic feet of cement to make the walkway. Each square slab has a volume of 4 cubic feet.

Mr. Alvarez makes the way with 3 cement slabs (NC), each cement slab is 4 cubic feet (UC). It means, the cubic feet for the 3 cement slabs (CS) are:

CS = NC* UC = 3*4 = 12 cubic feet.

It means Mr. Alvarez uses 12 cubic feet with 3 cement slabs.

Mr. Alvarez used in total of 14 cubic feet of cement (TC). At this moment he used 12 cubic feet of cement (CS). It means, there will be a part of the cement slab used (PC).

PC = TC - CS = 14 - 12 = 2 Cubic feet.

Finally, the middle slab is 2 cubic feet of cement.

5 0
2 years ago
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