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2 years ago

712x37 what is the answer plz help me

Mathematics

2 answers:

Julli [10]2 years ago

5 0

712x37=26,344. You can just use a simple lattice method to solve

Kaylis [27]2 years ago

3 0

The answer is 26,344

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Marco puts his coins into stacks. Each stack has 10 coins.

Harrizon [31]

Answer:

Marco has $57.50 in total.

Step-by-step explanation:

17 x 10 = 170 quarters

170 x 0.25 = $42.50

11 x 10 = 110 dimes

110 x 0.10 = $11.00

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80 x 0.05 = $4.00

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1 year ago

Convert to a scientific notation 860,000,000,000 =

valentina_108 [34]

$8\underbrace{60,000,000,000}_{\leftarrow11}=8.6\times10^{11}$

4 0

2 years ago

Read 2 more answers

What is 13x15?<br> Answer for 18 points!

Pani-rosa [81]

Answer:

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6 0

2 years ago

PLEASE HELP! Will get brainiest!!

Tcecarenko [31]

I'll help with a few.

3. -3x^3 - 9x^2 + 3x
Solve:
= (-3x)(x^2 + 3x + -1)
= (-3x)(x^2)+(-3x)(3x)+(-3x)(-1)
= -3x^3 - 9x^2 + 3x

7. (m - 2) (m + 11)

8. (t - 2) (5t + 9)

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10. (3t + 2)^2

3 0

2 years ago

What number must you add to complete the square?<br> x2 + 8x = 11

notsponge [240]

Answer:

Step-by-step explanation:

The number to add on both sides to complete the square is the square of the numerical coefficient that accompanies the term in "x", divided by 2.

That is in our case: $(\frac{8}{2}) ^2 = 4^2=16$

Therefore:

$x^2+8x+16=11+16\\x^2+8x+16 = 27$

That way the left hand side of the equation becomes the perfect square of the binomial: (x+4).

You can also prove that such is correct by developing the square of the binomial:

$(x+4)^{2} = (x+4)(x+4)= x^2+4x+4x+16= x^2+8x+16$

8 0

2 years ago