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asambeis [7]
2 years ago
12

Which statement about this product is true? 0.44×(-53/4)

Mathematics
1 answer:
Nookie1986 [14]2 years ago
7 0

Answer with explanation:

The number whose product we have to find is,

0.44 \times \frac{-53}{4}\\\\=\frac{44}{100} \times \frac{-53}{4}\\\\=\frac{-53 \times 11}{100}\\\\=\frac{-583}{100}=-5.83

→Actual Product = -5.83

When, you will round it to nearest Hundredth it is equal to -6.

Now ⇒ starting from option A

0.44 when rounded to nearest whole number is equal to 0.

So,

0 \times\frac{-53}{4}=0

is not closer to actual Product which is -5.83.

⇒Option B  

0.44 when rounded up≠1

Incorrect Statement

⇒Option C

-5.83, is not greater than -3.

Incorrect Statement

⇒Option D

True Statement

It is less than \frac{-53}{4} because multiplying a rational number by a number less than 1 gives a smaller number.

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n^2-2n-3 where n is the number of key rings in thousands, find the number of key rings sold when the profits is $5,000
ArbitrLikvidat [17]

Answer:

For the profit of $5,000, the key chains made is n = 4,000.

Step-by-step explanation:

Here the given expression , where: n = Number of key rings in thousands is given as:

P(n)  =   n²- 2 n - 3

Now, Profit is given to be $5,000.

Also, as we know 5000 = 5  x (1,000)

⇒  n²- 2 n - 3 = 5

Now, solving the above expression for the value of n, we get:

n^2 -  2 n - 3 = 5\\\implies  n^2  -2n - 8  =  0\\\implies  n^2  -4n +  2n - 8  =  0\\\implies n(n-4)  + 2(n-4)  = 0\\\implies (n-4) (n+2)  = 0

So, n = 4, OR , n = -2

Now, as n = The number of key chains. So it CANNOT BE NEGATIVE.

So,  n=  4  =  4 x (1,000)  = 4,000 key rings.

Hence, for the profit of $5,000, the key chains made is n = 4,000.

8 0
3 years ago
Need help asap please
KengaRu [80]

Answer:

\displaystyle no

Step-by-step explanation:

The triangle on the right is shorter than the triangle on the left, plus you an clearly see that we do not have enough information as proof that we cannot use this theorem.

I am joyous to assist you at any time.

5 0
3 years ago
The Lake Placid Town Council decided to build a new community center to be used for conventions, concerts, and other public even
wlad13 [49]
your correct answer would be b
5 0
2 years ago
Is cot 4 a is equal to tan (a - 20) where 4a is an acute angle find the value of a​
loris [4]

Answer:

a = 22

Step-by-step explanation:

cot \: 4a = tan \: (a - 20)....(given) \\  \\  \implies \: tan(90 - 4a) = tan \: (a - 20) \\  [\because \: cot \theta = tan(90 \degree -  \theta) ]\\  \\ \implies (90 - 4a) = tan(a - 20) \\ \\  \implies \: 90  + 20 = 4a + a \\  \\\implies \:  110 = 5a \\  \\ \implies \: a =  \frac{110}{5}  \\  \\ \huge \red{ \boxed{\implies \:  a = 22}}

3 0
2 years ago
Divide the polynomials by using long division, (x3-x2-2x+14)÷(x-1)
umka2103 [35]

The quotient is x²-2 +12/(x-1).

_____

<em>Comment on the attachment</em>

You see that I did not maintain strict alignment between quotient terms and dividend terms. For polynomial long division, this is less important than for numerical long division.

In numerical long division, the value of a digit is determined by its place relative to the decimal point and other digits. If a digit gets moved a position right or left, its value changes, so it is important to put and keep digits in the appropriate place. Zeros are used as necessary in the quotient to help do this.

In polynomial long division, each "digit" is the coefficient of some power of the variable. That power is expressed explicitly. We do not depend on the position of the number in the answer to tell us the power of the variable it goes with. (That's slightly different for synthetic division.)

Here, the coefficient of x in the quotient is 0, but no "placeholder" is needed to show that.

7 0
2 years ago
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