3 years ago

What does 5 - n represent

Mathematics

1 answer:

Assoli18 [71]3 years ago

7 0

I think it's "a" assuming it isn't 0

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A triangular flag has an area of 22 cm². Jon measures the height as 8 cm, what is the base length?

dedylja [7]

The base length is 5.5 cm.

Explanation:

Area of triangle = base x height x 1/2

Let b cm be the base length of the triangular flag.

22 = b x 8 x 1/2

22 x 2 ÷ 8 = b

b = 44 ÷ 8

b = 5.5

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3 years ago

you invest $100 and expect your money to grow %8 each year. about how many years will it take for your investment to double?

KiRa [710]

You need an interest to find time then only double it

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4 years ago

Martha estimated the quotient of −71.81 and −8.02 using rounding to the nearest whole number. 9 StartLongDivisionSymbol 72 EndLo

Ilia_Sergeevich [38]

Answer:

(b) She should have rounded –8.02 to –8

Step-by-step explanation:

Given

See attachment for long division

Required

Her error

Ignoring the minus sign,

Her approximation is as follows:

$-71.81 \approx 72$

$-8.02 \approx 9$

Her approximation of -8.02 is wrong

Because:

$-8.02 \approx 8$

Hence (b) is correct

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3 years ago

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Betra is planning a party for her friends.The room rental cost is $50 plus an additional five dollars per person to cover food c

liraira [26]

She can have 10 people attend.

The room costs $50 dollars, so she has $50 left to spend on food costs.

$50/5 = 10 people

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3 years ago

Consider a student’s work in determining the solution set of x > 2(y – 1)^2 – 2.

Anna [14]

Answer:

C. The graph of the solution set is incorrect.

Step-by-step explanation:

Solution is right, properly substituted x- and y-values, no mistakes.
Conclusion is right, the point within the solution set.
The only mistake is the graph, with > sign the line of the graph is not included into solution, therefore should be dotted.

There are no errors.

Incorrect (the graph)

The conclusion statement is incorrect.

Incorrect

The graph of the solution set is incorrect.

Correct (the line should be dotted)

The substitution of x and y values is incorrect.

Incorrect

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3 years ago

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