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il63 [147K]
3 years ago
8

Drag the tiles to the boxes to form the correct pairs. not all tiles will be used.

Mathematics
2 answers:
Fittoniya [83]3 years ago
6 0

This is what I found:

(3x + 5)(3x - 4) \:   =  9 {x}^{2}  + 3x - 20

9966 [12]3 years ago
4 0

Answer:

9x^{2}+3x-20=(3x+5)(3x-4)

Step-by-step explanation:

We need to drag the tiles and place them in boxes to form the correct pairs.

The given options are:-

1) 9x^{2}+3x-20

2) (4x-3y)^{2}

3) (3x+5)(3x-4)

4)(3x+2)(9x^{2} -6x+4)

First we simplify the all given factor and then compare with provided options

2) (4x-3y)^{2}

=16x^{2}+9y^{2}-24xy

3) (3x+5)(3x-4)

9x^{2}-12x+15x-20

9x^{2}+3x-20

Here we can see equation (3) match with (1)

so, 9x^{2}+3x-20=(3x+5)(3x-4)

Hence, the correct match is shown in figure-1

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Answer:

count the blocks or use brain

7 0
3 years ago
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A coat regularly priced at $188 is on sale for 25% off. what is the sale price
Allushta [10]
To find the answer first find the base number or 1% of $188 which is 1.88. Next find what percent is asking for 25% so multiply by 25 1.88 which is 47 so 47-188 = 141 this is one way to do it
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3 years ago
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This question is down below. The picture attached below. <br> Thanks.
Ostrovityanka [42]

The vendor has to sell 88 gingerbread houses to earn a profit of $665.60 and there is no chance that the vendor will earn $1500.

Given an equation showing profits of A Christmas vendor as

P=-0.1g^{2}+30g-1200.

We have to find the number of gingerbread houses that the vendor needs to sell in order to earn profit of $665.60 and $1500.

To find the number of gingerbread houses we have to put P=665.60 in the equation given which shows the profit earned by vendor.

665.60=-0.1g^{2}+30g-1200

0.1g^{2}-30g+1200+665.60=0

0.1g^{2}-30g+1865.60=0

Divide the above equation by 0.1.

g^{2}-300g+18656=0

Solving for g we get,

g=[300±\sqrt{(300)^{2}-4*1*18656 }]/2*1

g=[300±\sqrt{90000-74624}]/2

g=[300±\sqrt{15376}]/2

g=(300±124)/2

g=(300+124)/2       , g=(300-124)/2

g=424/2,  g=176/2

g=212,88

Because 212 is much greater than 88 so vendor prefers to choose selling of 88 gingerbread houses.

Put the value of P=1500 in equation P=-0.1g^{2}+30g-1200.

-0.1g^{2}+30g-1200=1500

0.1g^{2}-30g+1500+1200=0

0.1g^{2}-30g+2700=0

Dividing equation by 0.1.

g^{2}-300g+27000=0

Solving the equation for finding value of g.

g=[300±\sqrt{300^{2} -4*1*27000}]/2*1

=[300±\sqrt{90000-108000}] /2

=[300±\sqrt{-18000}]/2

Because \sqrt{-18000} comes out with an imaginary number so it cannot be solved for the number of gingerbread houses.

Hence the vendor has to sell 88 gingerbread houses to earn a profit of $665.60 and there is no chance that the vendor will earn $1500.

Learn more about equation at brainly.com/question/2972832

#SPJ1

7 0
1 year ago
=4−13. Please. I need help
Tatiana [17]

Answer:

4-13=-9

Step-by-step explanation:

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8 people eat at Charlie Brown's for Thanksgiving. How many different seating
never [62]

Answer: 40,320

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3 years ago
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