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3 years ago

In a company, 37% of 1500 employees are females.work out the number of males in the company.

1 answer:

6 0

Formula:

$y = p\% \times x$
$p = 37\% \div 100 = 0.37$
$y = 0.37 \times 1500 = 555$
so there are 555 woman working.
$1500 - 555 = 945$
there are 945 men working

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What number must you add to complete the square x^-8x=39

notsponge [240]

Answer:

Given equation: $x^2-8x =39$

when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;

$x^2-8x+4^2 = 39 +4^2$

∵8 is the value $(\frac{8}{2})^2$

Notice that, we add this both sides so that it maintains the equality.

then;

$x^2-8x+4^2 = 39 +4^2$

$(x-4)^2 = 39 + 16$ [ $(a-b)^2 = a^2-2ab+b^2$ ]

Simplify:

$(x-4)^2 =55$

The number must be added to complete the square is, $4^2 = 16$

3 0

3 years ago

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A company that manufactures car seats completes quality control tests per government regulations. The quality

solmaris [256]

Answer: It is D.

The population is 100% of the car seats and the sample is 20% of the car seats.

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3 years ago

Write the equation for the inverse of the function y=Cos^-1(x-pi)

ser-zykov [4K]

we are given

$y=cos^{-1}(x-\pi)$

Since, we have to find inverse function

step-1:

Set y=f(x)

It is already there

step-2:

Switch x and y

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We can take cos on both sides

$cos(x)=cos(cos^{-1}(y-\pi))$

we can simplify it

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now, we can solve for y

$cos(x)+\pi=y-\pi+\pi$

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$y=\pi +cos(x)$ ..............Answer

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3 years ago

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Need help show work??????

o-na [289]

Answer:

The t-shirt cost $10.70

Step-by-step explanation:

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T=10.70

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2 years ago

Plz answer i have soo much school work to do thx also brainliest.

m_a_m_a [10]

Answer:

HOPE THIS HELPS

Step-by-step explanation:

Number of students in Mr.Skinner's class who brought lunch from home if there are 20 students in the class=12

Fraction of students who brought lunch from home in Mr. Skinner's class=

Number of students in Ms. Cho's class who brought lunch from home if there are 21 students in the class=14

Fraction of students who brought lunch from home in Ms. Cho's class=

As Siloni is using two 15-section spinners to simulate randomly selecting students from each class and predicting whether they brought lunch from home or will buy lunch in the cafeteria.

Number of Congruent sectors in each Spinner=15

So, if we represent students from Mr. Skinner's class who brought lunch from home in Spinner having 15 congruent Sectors =

So, if we represent students from Mrs. Cho's class who brought lunch from home in Spinner having 15 congruent Sectors =

Mr Skinner class +1 = Mr's Cho's Class

So Ms Cho's class =One more sector of the Skinner-class spinner will represent bringing lunch from home.

Option A which is One more sector of the Skinner-class spinner will represent bringing lunch from home represents Ms Cho's Class.

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2 years ago