3 years ago

What number goes in the box below to make the statement true?

Mathematics

1 answer:

Schach [20]3 years ago

4 0

Answer:

5000

Step-by-step explanation:

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What is th difference in length between a 1 1/4 inch button and a 3/8 inch button

artcher [175]

Okay so 11/4 needs to be multiplied by 2 so that the D match up.

so 11/4 x 2 = 22/8

22/8 - 3/8 = 19/8

The difference is 19/8

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3 years ago

Which of the following are solutions to the quadratic equation? Check all that

Firlakuza [10]

Answer:

$\boxed{\sf \ \ \ x=-9 \ \ or \ \ x=2 \ \ \ }$

Step-by-step explanation:

hello,

$2x^2+7x-14=x^2+4\\ 2x^2+7x-14-x^2-4=0\\ x^2+7x-18=0\\x^2-2x+9x-18=0\\ x(x-2)+9(x-2)=0\\ (x+9)(x-2)=0\\ x+9 = 0 \ \text{or} \ x-2=0\\ x = -9 \ \text{or} \ x=2$

hope this helps

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3 years ago

If Paul saves $3.00 every week for twelve weeks and then buys a CD for $15.00 plus 9% tax, how much money will he have left?

pochemuha

Answer:

18.90

Step-by-step explanation:

3x12=36

36-15=21

21 x 0.9

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3 years ago

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9) work out 6 - 3x-2--10

Kaylis [27]

3x+6 I believe because you can’t add a number with a variable to a number without one

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2 years ago

A ruler is used to measure the width of the spine of a book.

sp2606 [1]

Answer:

1.00 cm Is the greatest level of precision possible for the measurement of the width of the spin of the book

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3 years ago