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3 years ago

What is the quotient? −2 1/8 ÷1 1/4

Mathematics

2 answers:

stich3 [128]3 years ago

8 0

exact form: -17/10

Decimal form: -1.7

mixed number form: -1 7/10

Mariulka [41]3 years ago

4 0

The quotient is -1.7!

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Suppose that f(x)=x2 and g(x) =4/5x2. Which statement best compares the graph of f(x)?

Roman55 [17]

Answer:

See below.

Step-by-step explanation:

Are f(x)=x2 and g(x) =4/5x2 correctly written?

This answer assumes they are supposed to be:

f(x)=x^2 and g(x) = (4/5)x^2

If these revisions are correct, g(x) would produce values that are (4/5) of f(x).

See attached graph.

I don't see any of the options for "best statement."

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2 years ago

The width of a rectangle is 6 cm less than its length. If its perimeter is 80 cm then its lengths (in cm) and area (in cm²) are

mr_godi [17]

Start by stating the given info as mathematical expressions:

1. "The width of a rectangle is 6 cm less than its length."
$w=l-6$

2. "Its perimeter is 80 cm."
$P=80$

Using the formula for perimeter ( $P=2l+2w$ ) we can show:
$80=2l+2w$ .

We now have 2 equations in 2 unknowns and can solve by substitution:
 $80=2l+2w$
$80=2l+2(l-6)$
$80=2l+2l-12)$
$92=4l$
$l=23$

The length is 23cm.

Having the length w can then find the width:
$w=l-6$
$w=23-6$
$w=17$

The width is 17cm.

And finally the area:
$A=lw$
$A=(23)(17)$
$A=391$

The area is $391cm^{2}$ .

As a check we can use the known perimeter:
$80=2l+2w$
$80=2(23)+2(17)$
$80=46+34$
$80=80$ Checks true.

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4 years ago

the question says write an equation for the nth term of the geometric sequence. Then find the fifth term in the sequence. hopefu

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Step-by-step explanation:

u can u sue math_way just take out the under score

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3 years ago

Mr. Lin received a box of books in the shape of a rectangular prism. The volume of the box is 486 in? What is the width of the

Stels [109]

Answer: The answer is b 9 inches.

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3 years ago

15. Ankita bought 20 copy for Rs. 25 each. She got profit of Rs.200 while selling it. Find selling price of the copies. no

goblinko [34]

Answer:

SP=Rs.700

Step-by-step explanation:

cost price of a copy=R's.25

cost price of 20copy=20×25=Rs.500

profit=Rs.200

selling price of 20 copies=?

Now, we know that,

profit=sp-cp

or, 200=sp-500

or, 200+500=sp

thus, SP=Rs.700

Hence, the selling price of 20copies is 700.

8 0

3 years ago