MATHEMATICS HIGH SCHOOL

Please help me solve this proof!!!!!

Answers

Answer 1

Answer:

statements:

1.) E is midpoint of TP

2) TP bisects MR

reasons:

1.)given

2) MT is congruent to PR (I think)

I might be wrong though so dont count on it being right. I hope I helped. ime not that good at math. I m not BAD but yea

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Please help me im new to the site. A soda company had sales of $35,119 million in 2010 and $45,962 million in 2014. Use the Midpoint Formula to estimate the sales in 2012. Assume that the sales followed a linear pattern.

Answers

Answer:40533.5

Step-by-step explanation:

Midpoint formula

(35113, 2010) > (X1, Y1)

(45954, 2014) > (X2, Y2)

Plug it into the midpoint formula

Find all zeros (real and complex) for the function f(x)=x^3-5x^2+9x-5

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$f(x)=x^3-5x^2+9x-5\n f(x)=x^3-x^2-4x^2+4x+5x-5\n f(x)=x^2(x-1)-4x(x-1)+5(x-1)\n f(x)=(x-1)(x^2-4x+5)\n\n (x-1)(x^2-4x+5)=0\n\n x-1=0\n x=1\n\n x^2-4x+5=0\n x^2-4x+4+1=0\n (x-2)^2=-1\n x-2=i \vee x-2=-i\n x=2+i \vee x=2-i\n\n x=\{1,2-i,2+i\}$

The equation of a circle is given below. (x+4)^{2}+(y-6)^{2} = 48(x+4) 2 +(y−6) 2 =48left parenthesis, x, plus, 4, right parenthesis, squared, plus, left parenthesis, y, minus, 6, right parenthesis, squared, equals, 48 What is its center? What is its radius?

Answers

center= (-4,6) radius= 6.93

Step-by-step explanation:

Answer:

(-4,6) 6.93

Step-by-step explanation:

proof

What is 20 percent of 70 plants

Answers

$p\%=(p)/(100)\n\n20\%=(20)/(100)=(2)/(10)=0.2\n\n20\%\ of\ 70\ plants:\n\n\boxed{0.2\cdot70\ plants= 14\ plants}$

PLEAS EHURRY!! It’s pre-calc!!
PIECE WISE FUNCTIONS!!

Answers

Answer: 60mph

Step-by-step explanation:

For each piece of our piecewise function, we have a different range for t, so we only use the expression that has a range that our t falls into. In the first, the range is 0 ≤ t ≤ 15, so the first expression ONLY WORKS for values of t that fit in this range (13, for example). In the third, the range is 240 ≤ t ≤ 250, so the third expression ONLY WORKS for values of t from 240 to 250 (242, for example). Our t does not fit in these ranges, so we do not use the first or third expression to find our answer.

In the second, the range is 15 < t < 240, so the second expression ONLY WORKS for values that are between 15 and 240, and our t is 18, so we use the second expression to find our answer. Our expression is just 60, so our final answer is at 18 seconds, the vehicle is going 60mph.

I hope this helps! :)

128 is 74% of what number if necessary round your answer to the nearest hundredth

Answers

74% * x = 128
x=128/74%
x=172.97 (nearest hundredth)

Steps:
1. Do a proportion
128/x=74/100
2. Do 128 times 100 which equals 12,800
3. Do 12,800 divided by 74 which equals 172.972
4. If you rounded to the nearest hundreth, your answer would be: 172.97
(Since the 2 after the 7 was below 5, you would round down to 7)