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Alexeev081 [22]
3 years ago
14

Myra is evaluating the expression –31.7 + 4.5x, when x = 2.1. –31.7 + 4.5(2.1) = –27.2(2.1) = –57.12 What was Myra’s error? A.My

ra should have multiplied -31.7 and 2.1 first. B. Myra should have multiplied 4.5 and 2.1 first. C. Myra should have subtracted -27.2 and 2.1 first. D. Myra should have added -31.7 and 2.1 first.
Mathematics
2 answers:
Art [367]3 years ago
8 0
B.myra should have multiplied 4.5 and 2.5 first.
melomori [17]3 years ago
4 0

Answer:

The answer is B.

Step-by-step explanation:


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A semi circle is drawn on each side of the square as shown the square has sides length of 2 pi what is the area of the resulting
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Step-by-step explanation:

First you find out the area of the square.

Then you find the area of the circle.

After this you add the Two area together.

7 0
3 years ago
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oee [108]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Triangle L M Q is cut by perpendicular bisector L N. Angle N L Q is 32 degrees and angle L M N is 58 degrees.
Serga [27]

Answer:

Yes

Step-by-step explanation:

ΔMNL ≅ ΔQNL  by ASA or AAS

by ASA

Proof:

∠ LNM = ∠LNQ    =90

LN = LN   {Common}

∠MLN = ∠QLN     {LN bisects ∠ L}

By AAS

∠Q + ∠QLN + ∠LNQ = 180  {Angle sum property of triangle}

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∠Q  + 122 = 180

∠Q = 180 -122 =

∠Q = 58

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∠MNL =∠QNL = 90

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8 0
4 years ago
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WITCHER [35]

0.30 as a fraction is 30/100 = 3/10

0.30 as a percent = 0.30 * 100 = 30%

 answer is D. 3/10 and 30%

4 0
3 years ago
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A rolling pin has two identical cylindrical handles attached to a larger handle that is 12 inches long. The large cylinder measu
yaroslaw [1]

Answer:

Volume of the rolling pin =  246.09 in^{3}  

Step-by-step explanation:

Length of larger cylinder L = 12 in

Diameter of larger cylinder D = 5 in

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Length of two handles = 3 in

Volume of the rolling pin = Volume of two handles + Volume of larger cylinder

Volume of two handles = 2 (\pi r^{2}L)

Volume of two handles =  2 (3.14 × 0.75^{2} × 3 )

Volume of two handles = 10.59 in^{3}  

Volume of larger cylinder = (\pi r^{2}L)

Volume of larger cylinder = (3.14 × 2.5^{2} × 12 )

Volume of larger cylinder = 235.5 in^{3}  

Volume of the rolling pin =  10.59 + 235.5

Volume of the rolling pin =  246.09 in^{3}  

6 0
3 years ago
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