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3 years ago

Helppp me please IREADY

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

7 0

Hello there! The answer is the first option, 31/55.

To solve this, we don't even need to do any math. Note that fractions with the same numerator and denominator will be equal to 1.

Knowing this and looking at our second and fourth options, 55/55 x 111 and 31/31 x 111, these problems are the same as 1 x 111, which results in 111, which is not less than, leaving us with the third and first options.

The third option is 55/31, meaning we have more than a whole, so we are multiplying by a number greater than 1, making our answer over 111 and this option not correct.

This leaves the first option as your answer!

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A investor has an account with stock from two different companies. Last year her stocking company A was worth $4600 in her stock

aalyn [17]

Answer: 24.5%

Step-by-step explanation:

Last year her stock in company A was worth $4600. If her Stock in company A has decreased by 25% since last year in stock, then the amount by which it decreased is

25/100 × 4600 = $1150

The present worth is

4600 - 1150 = $3450

Also, her stock in company B was worth $1000. If her Stock in company B has decreased by 22% since last year in stock, then the amount by which it decreased is

22/100 × 1000 = $220

The present worth is

1000 - 220 = $780

The total worth of both stocks last year was

4600 + 1000 = $5600

The total worth of both stocks this year was

3450 + 780 = $4230

The amount by which it decreased is

5600 - 4230 = 1370

the total percentage decrease in the investor stock account is

1370/5600 × 100 = 24.5%

3 0

3 years ago

A sector with an area of 26pie cm^2 has a radius of 6 cm. What is the central angle measure of the sector in radians?

Zolol [24]

Answer:

The central angle measure of the sector in radians is $\theta=\frac{13}{9}$ .

Step-by-step explanation:

A sector of a circle is the portion of a circle enclosed by two radii and an arc. It resembles a "pizza" slice.

The area of a sector when the central angle is in radians is given by

$A=(\frac{\theta}{2})\cdot r^2$

where

r = radius

θ = central angle in radians

We know that the area of the sector is $26 \:cm^2$ and the radius is 6 cm. Applying the above formula and solving for the central angle ( $\theta$ ) we get that

$26=(\frac{\theta}{2})\cdot (6)^2\\\\\left(\frac{\theta}{2}\right)\left(6\right)^2=26\\\\\frac{\frac{\theta}{2}\cdot \:6^2}{36}=\frac{26}{36}\\\\\frac{\theta}{2}=\frac{13}{18}\\\\\theta=\frac{13}{9}$

3 0

3 years ago

A particular metal has a density of 25g/cm cubed. Calculate the mass of 178cm cubed of this metal.

mel-nik [20]

Mass = density x volume

Mass = 178 x 25 = 4,450 grams

6 0

2 years ago

Find the value of x if 2x = 20 .

7nadin3 [17]

Answer:

x = 10

Step-by-step explanation:

Divide both sides by 2.

(2x) / 2 = 20 / 2

x = 10

8 0

2 years ago

Read 2 more answers

How may different arrangements are there of the letters in ALASKA? 7 of 10 (5 complete) HW Score: 26.15% E Que The number of pos

Lubov Fominskaja [6]

<h2>Answer:</h2>

The number of possible arrangements is : 120

<h2>Step-by-step explanation:</h2>

We know that in order to find the different arrangements which are possible we need to use the method of permutation.

The arrangement of a given word is calculated as the ratio of the factorial of number of letters to the product of factorial of numbers the number of times each letter is repeating.

The word is given to be:

ALASKA

There are a total of 6 letters in the given word

Out of which a letter "A" is repeating 3 times.

Hence, the number of arrangements possible are:

$=\dfrac{6!}{3!}\\\\\\=\dfrac{6\times 5\times 4\times 3!}{3!}\\\\\\=6\times 5\times 4\\\\\\=120$

4 0

3 years ago

Helppp me please IREADY​

Helppp me please IREADY