help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Answer:

6

Step-by-step explanation:

21 - 15 = 6

The 7 types of hazards in the home are Psychosocial  Risks,Physical

Dangers , Chemical Dangers, Biological risks, Constrained Areas,

Changing Equipment and Biohazards

Psychosocial  Risks

Physical dangers include a subgroup called psychosocial hazards. For some workers, these risks might be more severe or restrictive than for others. Poor management or a lack of feedback may be the cause of these risks.

Physical Dangers

Environmental and occupational hazards are two different categories of physical risks. These include unguarded machines, heat, cold, vibration, noise, and temperature extremes. Engineering controls can lessen some physical dangers.

Chemical Dangers

Toxic, flammable, explosive, self-reactive, oxidizing, or corrosive compounds are considered chemical dangers. Chemical risks can have negative health impacts and need special handling techniques and equipment.

Biological risks

Many workplaces have biological risks, which can be harmful to people. They include waste debris, food, fungi, food, hair, skin, and saliva.

Constrained Areas

Flammable gases can accumulate in small places. These gases tend to gravitate toward lower elevations, yet they can rise to the surface if a lid is closed or if they are hanging in the air.

Changing Equipment

For workers, the moving machinery hazard provides a distinct set of mechanical risks. Injuries caused by it include crushing, shearing, tangling, air being ejected, striking, abrading, and trapping.

Biohazards

There are many danger thresholds for biohazards. Agents of biohazard level I pose little risk to people. On the other hand, biohazard class II agents may be extremely contagious and may result in serious sickness if consumed or dispersed through the air.

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Answer:

27.4

Step-by-step explanation:

First multiply the numerator and denominator by 10

Then write the problem in long division format

Then divide 52 by 19 and get 2

Then multiply the quotient digit (2) by the divisor 19

Then subtract 38 from 52

Then bring down the next number of the dividend

Then divide 140 by 19 to get 7

Then multiply the quotient digit (7) by the divisor 19

Then subtract 133 from 140

Then add a decimal point to the solution

Then bring down the next number of the dividend

Then divide 76 by 19 to get 4

Then multiply the quotient digit (4) by the divisor 19

Then subtract 76 from 76

The solution for long division for 52.06./1.9 is 27.4

27.4

Answer:

quotient is 27.4

Step-by-step explanation:

your welcome;)

Answer:

Use Pythagoras theorem.

Step-by-step explanation:

(hyp)2=(base)2+(per)2

(12)2=(y)2+(9)2

144=y2+81

144-81=y2

63=y2

√63=y

7.93=y

We find that the critical value x = 0 satisfies the first equation, and x = 3 satisfies both equations. Therefore, the critical values for the function are x = 0 and x = 3.

The critical values for the function ƒ(x) = (x³/¹¹) (x – 3)^5 are found by determining the values of x where the derivative of the function is equal to zero or undefined.

To find the critical values of the function, we need to take the derivative of the function and set it equal to zero. First, we apply the product rule to differentiate the function. Let's denote ƒ'(x) as the derivative of ƒ(x). Applying the product rule, we have:

ƒ'(x) = [(x³/¹¹)' * (x – 3)^5] + [(x³/¹¹) * (x – 3)^5]'

Differentiating each term, we get:

ƒ'(x) = [(3x²/¹¹) * (x – 3)^5] + [(x³/¹¹) * 5(x – 3)^4]

Simplifying further, we obtain:

ƒ'(x) = (3x²(x – 3)^5/¹¹) + (5x³(x – 3)^4/¹¹)

To find the critical values, we set ƒ'(x) equal to zero and solve for x:

0 = (3x²(x – 3)^5/¹¹) + (5x³(x – 3)^4/¹¹)

Setting each term equal to zero, we have two possibilities:

3x²(x – 3)^5 = 0 and 5x³(x – 3)^4 = 0

Solving these equations, we find that the critical value x = 0 satisfies the first equation, and x = 3 satisfies both equations. Therefore, the critical values for the function are x = 0 and x = 3.

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Nate made a profit of $8  on the first item they sell.

Multiplication is a type of mathematical operation. The repetition of the same expression types is another aspect of the practice.

For instance, the expression 2 x 3 indicates that 3 has been multiplied by two.

Given:

In a business, Nate and Devronn are partners.

And when Nate's profit is $2, then the profit of Devronn is $5.

Let x be the profit of Nate.

According to the question,

if Devronn makes $20 profit on the first item they sell,

then the profit of Nate is,

5(x/2) = 20

x/2 = 20/5

x/2 = 4

Applying cross multiplication,

we get,

x = 8

Therefore, the required profit is $8.

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Answer:

\(3p,3q,3r\)

Step-by-step explanation:

Dilation is not a rigid transformation, for it is not an isometry, hence a dilation produces similar and not congruent figures.

If we have to dilate a \(\bigtriangleup ABC\) with  scale factor of 3, with this centered at its origin,with its sides p, q and r. We'll have \(\bigtriangleup A'B'C'\) having 3p,3q, 3r.

The slope in a Dilation is considered carefully when it is not dilated at its center. Well it is. And we're not dilating line segments, then it'll look like this (check below)

\(D_3(x,y) A'=3A, B'=3B, C'=3C\\\)

So its line segments will be thrice the value of its original triangle as well.

Answer:

1.2 and 3q

Step-by-step explanation:

Alice Walker's annual disability benefit is $590.22 and her monthly disability benefit is $49.18.

Annual disability benefit = Final average salary x Rate of benefits

Annual disability benefit = $32,790 x 0.018

Annual disability benefit = $590.22

Monthly disability benefit = Annual disability benefit / 12

Monthly disability benefit = $590.22 / 12

Monthly disability benefit = $49.18 (rounded to the nearest cent)

Therefore, Alice Walker's annual disability benefit is $590.22 and her monthly disability benefit is $49.18.

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The triangle that is similar to the triangle ΔABC is the triangle ΔJKL, the correct option is therefore;

B. ΔJKL, in which m∠J = 15° and m∠L = 45°

Triangles are similar if they have the same measure of two of their interior angles, and therefore, have the same shape, but they may have different size.

The specified known angles of the triangle indicates that the known angles are;

m∠A = 15°, m∠B = 120°

Therefore, the third angle of the triangle is; 180 - (15 + 120) = 45

The third angle of the is 45 degrees

Therefore, the triangle that is similar to the specified triangle has an angle interior angle of either; 15°, or 120°, or 45°

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Answer: first answer choice

Step-by-step explanation:

The cheaper is dining in than the eating out .

\(H_{0} :\)μ  \(\geq 13.04\)

\(H_{\alpha }:\) μ \(\geq 13.04\)

b) 0.0751

c) We cannot a firm whether eating out or dinning in is cheaper

d) do not reject neither.

Given,

In the question:

(a). Develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home.

(b). Using the sample from the 100 restaurants, what is the p -value?

(c). At α = .05 ,what is your conclusion?

(d). Repeat the preceding hypothesis test using the critical value approach

Now, According to the question:

Mean price (X) = 12.85

Value of μ = 13.04

and, Standard deviation σ = 2

n = 100

We know that the formula :

(b)  (x - μ)/σ\(\sqrt{n}\) = \(P_{v}\)

Substitute the values :

(12.85 - 13.04)/ 2\(\sqrt{100}\) = -1.45

We use excel function to get the Pz which is .0751

(c). 0.0751 > .05 , We cannot reject the hypothesis. Thus, we can neither say dinning in is more cheap nor eating out is cheaper.

(d). With = 99 , t .05 = −1.66 Reject H 0 if ? ≤ −1.66 −1.45 > −1.66 , do not reject

Degrees of freedom = n − 1 = 99 and Pz of 0.05 = -1.66

Reject when Pz < of -1.66

-1.45 > 1.66

Therefore, The cheaper is dining in than the eating out .

we cannot reject the hypothesis.

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The probability that the next customer to enter the shop will order a cookie is given as follows:

31/60.

The parameters that are needed to calculate a probability are listed as follows:

Then the probability is calculated as the division of the number of desired outcomes by the number of total outcomes.

The outcomes in which a cookie is ordered are given as follows:

Hence the probability is obtained as follows:

3/4 x 1/3 + 2/5 x 2/3 = 1/4 + 4/15 = 15/60 + 16/60 = 31/60.

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Answer:

A. 2x - 1

Step-by-step explanation:

We want the price of each notebook, so we will get this equation.

(4x^2 + 2x + 1) / (8x^3 - 1)   [ The " / " sign means I wrote as a fraction. ]

After that, we will use this method to factor ( 8x^3 - 1 ).

a^3 - b^3 = ( a - b )( a^2 + ab + b^2 )

1 can be wrote as 1^3 as we still get the same answer.

8^3 - 1^3 = ( 2x - 1 )( 4x^2 + 2x + 1)

So, we will get this.

(4x^2 + 2x + 1) / ( 2x - 1 )( 4x^2 + 2x + 1)

Now, we can cross out the ( 4x^2 + 2x + 1 ).

We will be left with 1 / ( 2x - 1 ).

Flip it and we will get ( 2x - 1 )

And that is the answer.

I hope it helps.

Answer:

um so here it is. 12

Step-by-step explanation:

4 ×4 - 2×2 = 16-4=12

Answer:

12

Step-by-step explanation:

(4)² - (2)²

16 - 4 = 12

Hope this helps :)

Answer:

3

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

When multiplying and dividing with negative numbers, use this key to help:

( - ) x ( + ) = ( - )

( + ) x ( + ) = ( + )

( - ) x ( - ) = ( + )

For example, with your problem, Both numbers are negative, meaning that the end result will be positive. -3 x -1 = 3

Answer:            x = 2.5214

Step-by-step explanation:

log(4x+10) = 3

e^(log(4x+10)) = e^3

E^ log cancels out and equals one so

4x + 10 = e^3

       4x = e^3 -10

         x = (e^3 - 10)/4

         x = 2.5214

Answer:

When James saw a pair of pants in the J Crew catalog for $25, he was ready to buy them. However, as he looked through the catalog more, he saw two other pairs of pants priced at $65 and $95. This made the $25 pair seem too cheap in comparison. James may now reconsider his choice and opt for a higher priced pair to ensure a better quality product. The presence of higher priced products can influence consumer spending and purchasing decisions.

Answer:

curies george

Step-by-step explanation:

The percent error of Diane's estimated area measurement is 9%.

To find the percent error, we first calculate the actual area of the rectangular field:

Next, we calculate the estimated area based on Diane's measurements:

The absolute error is the difference between the actual and estimated areas:

The percent error is the absolute error divided by the actual area, multiplied by 100%:

Percent error = (Absolute error / Actual area) × 100% = (276 / 2,976) × 100% = 0.092 × 100% = 9%

Therefore, the percent error of Diane's estimated area measurement is 9% to the nearest whole percent.

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Answer: \(4.\ \ \ \dfrac{4\sqrt{mn}}{m^2}\) .

Step-by-step explanation:

The given expression: \(\sqrt{\dfrac{16n}{m^3}}\)

'

since \(16=4^2\)

\(m^3=m^{2+1}= m^2\times m\)   [\(a^{n+m}=a^n\times a^m\)]

Now, the given expression becomes,

\(\sqrt{\dfrac{4^2n}{m^2\timesn}}=\dfrac{4\sqrt{n}}{m\sqrt{m}}\)

Since there is root in denominator , so we need to rationalize

\(\dfrac{4\sqrt{n}}{m\sqrt{m}}\times\dfrac{\sqrt{m}}{\sqrt{m}}=\dfrac{4\sqrt{mn}}{m\times\sqrt{m}\times\sqrt{m} }\\\\=\dfrac{4\sqrt{mn}}{m\times m}\\\\=\dfrac{4\sqrt{mn}}{m^2}\)

Hence, the correct option is \(4.\ \ \ \dfrac{4\sqrt{mn}}{m^2}\) .

The solution set of the example inequality, 2•x + 3 ≤ -3, is the option;

A possible inequality that can be used to get one of the options, (the inequality is not included in the question) is as follows;

Solving the above inequality, we have;

2•x + 3 ≤ -3

2•x ≤ -3 - 3 = -6

2•x ≤ -6

Therefore;

x ≤ -6 ÷ 2 = -3

x ≤ -3

Which gives;

-∞ < x ≤ -3 in interval notation is (-∞, -3]

The solution set of the inequality, 2•x + 3 ≤ -3, is therefore the option;

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Answer:

24

Step-by-step explanation:

369121518212427303336

The simplified expression is 4a⁵ * b³.

Exponents are a way to represent repeated multiplication. The exponent of a number represents the number of times the base is multiplied by itself. For example, 2^3 means 2 multiplied by itself 3 times, or 2 * 2 * 2 = 8.

In general, if the base number is b and the exponent is n, then b^n represents b multiplied by itself n times. This can be written as b * b * ... * b (n times). The exponent can be any positive integer or zero, and the base can be any real number.

Exponents have several properties, including the following:

b^0 = 1 for any non-zero base b.

b^1 = b for any base b.

b^n * b^m = b^(n + m) for any base b and positive integers n and m.

(b^n)^m = b^(n * m) for any base b and positive integers n and m.

b^(-n) = 1 / b^n for any base b and positive integer n.

These properties help simplify and manipulate expressions with exponents.

We can simplify the expression using the properties of exponents and radicals as follows:

^3√32a¹⁰b⁶

= ^3√(2⁵ * 2¹ * a¹⁰ * b⁶) [since 32 = 2⁵ and 2¹]

= ^3√(2⁶ * a¹⁰ * b⁶) [using the property of exponents: a^m * a^n = a^(m+n)]

= 2^2 * ^3√(a¹⁰ *b⁶) [since 2⁶  = 2² * 2⁴]

= 2² * a⁵ * b³ [since (^3√(x))³ = x, and since a^m * b^m = (ab)^m]

= 4a⁵ * b³.

So, the simplified expression is 4a⁵ * b³.

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Step-by-step explanation:

\(y = 3(4 - 2) + 5.5 \\ y = 3(2) + 5.5 \\ y = 11.5\)

Answer:

18

Step-by-step explanation:

You take 30% of 60 to find the number of brown beads.

From the question, Flag 4 is a right triangle because the square of one side is equal to the sum of the square of the other two sides

A Right triangle is one in which one of the interior angles is 90°. The longest side of the right triangle, which is also the side opposite the right angle, is the hypotenuse and the square of the hypotenuse side is equal to the square of the addition of the other two sides

From Flag 4

\(8^{2}\) = 64

\(15^{2}\) = 225

\(17^{2}\) = 289

Hence,

\(17^{2}\) = \(15^{2}\) + \(8^{2}\)

289 = 225 + 64

289 = 289

Therefore, from the question, its only Flag 4 that is a right triangle

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