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BabaBlast [244]
3 years ago
6

Yvonne is solving the quadratic equation 6x2 + 24x + 7 = 0 by completing the square. Her first four steps are shown in the table

. In which step did Yvonne first make an error? Step 1 Step 2 Step 3 Step 4

Mathematics
1 answer:
Bad White [126]3 years ago
7 0

Answer:

Step 1

Step-by-step explanation:

6x²+24x+7=0

It would be

6x²+24x=-7 not 7

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Maggie has 4 3/5 of icing to decorate cakes for a bake sale. Each container will cover 20 1/4 in2. How many square inches will i
ExtremeBDS [4]

Answer:

93\frac{3}{20} \ square \ inches.

Step-by-step explanation:

Given:

Maggie has 4 3/5 container of icing to decorate cakes for a bake sale.

Each container will cover 20 1/4 square inches.

Question asked:

How many square inches will it cover if she uses all of her icing ?

Solution:

Total number of container Maggie has = 4\frac{3}{5}

Each container will cover = 20\frac{1}{4} square inches.

Now, we can find easily that how many square inches it will cover by using all of her icing by unitary method:

Each container will cover = 20\frac{1}{4}

4\frac{3}{5} container will cover = 20\frac{1}{4}\times4\frac{3}{5} =\frac{20\times4+1}{4} \times\frac{5\times4+3}{5} \

                                                        =\frac{81}{4} \times\frac{23}{5} =\frac{1863}{20} =93\frac{3}{20}\ square\ inches

Thus,  it will cover 93\frac{3}{20} \ square \ inches ,if she uses all of her icing.

7 0
4 years ago
0.2% of what number is 12?
Ratling [72]
Percent mean parts out of 100 0.2%=0.2/100=0.02/10=0.002/1=0.002 'of' means multiply 'what number'=x 'is' means '=' so 0.2% of what number is 12 0.002 times x=12 divide both sides by 0.002 x=6000 the number is 6000
3 0
4 years ago
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An architect uses a scale of 3/4 inch to represent 1 foot on a blueprint. If the north wall of a building is 25 feet long, how l
wolverine [178]

Answer:

18.75

Step-by-step explanation:

4 0
3 years ago
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What is the price per pound if 3 pounds equal $12<br><br>i forgot how to do this... lol​
lord [1]

Answer:

4 dollars per pound.

Step-by-step explanation:

Divide the amount of money by the amount of pounds

6 0
3 years ago
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(-1,4) (2,2) find midpoint?
notsponge [240]

\text{Hey there!}

\text{The midpoint formula is: }\dfrac{\mathsf{x_2+x_1}}{2}, \dfrac{\mathsf{y_2+y_1}}{2}

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

\mathsf{x_1 = -1}\\\\\mathsf{x_2=2}\\\\\mathsf{y_1=4}\\\\\mathsf{y_2=2}

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

\dfrac{2-1}{2}\\\\\mathsf{2-1 = 1}\\\\\mathsf{2=2}\\\\\\\mathsf{x = \dfrac{\mathsf{1}}{2}}

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

\mathsf{\dfrac{4+2}{2}}\\\\\mathsf{4+2=6}\\\\\mathsf{2=2}\\\\\mathsf{\dfrac{6}{2}=3}\\\\\\\mathsf{y=3}

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

\boxed{\boxed{\text{Thus,\ your\ answer\ is:\boxed{(\dfrac{1}{2\ },\ 3)}}}}\checkmark

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

\text{Good luck on your assignment and enjoy your day!}

~\dfrac{\frak{LoveYourselfFirst}}{:)}

6 0
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