MATHEMATICS HIGH SCHOOL

Y= x^3 + 64

Y=x^3 - 1000


Both need factored!
Y= x^3 + 64 Y=x^3 - 1000 Both need factored! - 1

Answers

Answer 1
Answer: a^3\pm b^3=(a\pm b)(a^2\mp ab+b^2)


y=x^3+64=x^3+4^3=(x+4)(x^2-4x+4^2)=(x+4)(x^2-4x+16)\n\n\ny=x^3-1000=x^3-10^3=(x-10)(x^2+10x+10^2)\n\n=(x-10)(x^2+10x+100)

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Identify whether root 75 is rational number and irrational number​

Answers

Answer:rational

Step-by-step explanation:

its a whole number

A furniture maker uses the specification 21.88< or = w

Answers

Seems like your question is quite incomplete, I bet here is the missing part *<or = 22.12 for the width w in inches of a desk drawer. 
According to the fact that abs(w-22) should be less than equal to 12, the answer should have a look like this :  Iw - 22I < or = 0.12. I am pretty sure it will help you.
Next time check it carefully. Regards!

Megan’s par scores for five rounds of a golf game were –4, –3, 5, –3, and 2. What was her final score?

A.
–13

B.
–3

C.
17

D.
–17

Answers

Her score was B: -3

This is because: -4-3+5-3+2=-3




Hope it is helpful :)

Roderigo has just finished paying back his $8,575 unsubsidized Stafford loan, which he took out to fund his four-year degree. The loan had a duration of ten years and an interest rate of 7.1%, compounded monthly. Roderigo will allow interest capitalization. If Roderigo made monthly payments to pay off his loan, how much interest did he pay in total? Round all dollar values to the nearest cent.

Answers

Answer:

Roderigo will pay $7353.80 in interest.

Step-by-step explanation:

Interest capitalization means the interest earned is added to the principle amount so first we will use compound interest formula.

Compound interest formula is :

p(1+(r)/(n) )^(nt)

p = 8575

r = 7.1% or 0.071

n = 12

t = 4

Putting the values in formula we get;

8575(1+(0.071)/(12) )^(48)

Solving this we get;

Amount = $11381.94

For the next part we have EMI formula as:

(p* r*(1+r)^(n) )/((1+r)^(n)-1 )

p = 11381.94

r = 7.1/12/100=0.005917

n = 12*10=120

(11381.94*0.005917*(1+0.0059147)^(120) )/((1+0.005917)^(120)-1 )

= (11381.94*0.005917*(1.005917)^(120) )/((1.005917)^(120)-1 )

EMI = $132.74

Now total payments made in 120 months (10 years) = 132.74*120=15928.80 dollars

Now, interest paid = 15928.80-8575=7353.80 dollars

Hence, Roderigo will pay $7353.80 in interest.
___________C. $7,353.80                                   

Let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)

Answers

g(x)=x-3 \ \ \ and\ \ \ h(x)=x^2+6 \n\n(h \circ g) (1)=h\bigg (g(1)\bigg)=h\bigg(1-3\bigg)=h(-2)=(-2)^2+6=4+6=10
h \circ g=(x-3)^2+6=x^2-6x+9+6=x^2-6x+15

7 times the difference of a number and 3.2 is 8.4.

Answers

because subtraction comes before multiplication on the order of operations we have to put in parenthasis in this problem.

(x-3.2) is what we have so far.

then we multiply it by 7

so 7(x-3.2)=8.4
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