MATHEMATICS HIGH SCHOOL

Please Help ASAP!!!!

Answers

Answer 1

Answer:

Answer:

$m\angle M = 98\degree$

Step-by-step explanation:

As we know that:

Sum of the measure of all interior angles of a triangle is always 180°.

$\therefore (3x-16)\degree+(x+6)\degree+ x\degree = 180\degree\n\therefore (5x-10)\degree = 180\degree\n5x-10 = 180\n5x = 180 + 10\n5x = 190\nx= (190)/(5)\nx= 38\n\because m\angle M = (3x-16)\degree\n\therefore m\angle M = (3* 38 -16)\degree\n\therefore m\angle M = (3* 38 -16)\degree\n\therefore m\angle M = (114 -16)\degree\n\therefore m\angle M = 98\degree$

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8,330,000,000 written in scientific notation?
If the area of a rectangle is 16s2t and the length is 8st2, what would be the width of the rectangle, given that width is found by dividing area by length? Simplify the answer.
The mass of an electron is approximately 9 × 10-28 grams, while the mass of a neutron is approximately 2 × 10-24 grams. Which of the following is true?The mass of a neutron is approximately 2,000 times the mass of an electron. The mass of a neutron is approximately 10,000 times the mass of an electron. The mass of a neutron is approximately 20,000 times the mass of an electron. The mass of a neutron is approximately 1,000 times the mass of an electron.

How do you put 8.5% in a calculator

Answers

8.5% is the same as 0.085.
Remember % means divide by 100

Courtney reads around 110 words per minute. She procrastinated and now has less than a week to finish her reading assignment. If the book she needs to finish has another 820 pages left and each page has around 350 words, how many hours can Courtney complete her assignment?

Answers

820 pages X 350 words = 287,000 words

287,000 / 110 = 2.609.09 minutes

2.609.09 / 60 = 43.48 hours

It would take about 2 days of non-stop reading to finish her assignment

Can someone find slope ?

Answers

i think that the slope is 3/7

Calculate the total cost of an item bought at a negotiated price of $15,640 and a $2,500 trade-in allowance. The sales tax is 7.2 with a $106 registration fee.$13,160
$14,372.08
$1,232.08
$14,286.08

Answers

15,640 * 7.2% = 1,126.80 Sales tax

Total cost:
cost of an item: 15,640 - 2,500 = 13,140.00
sales tax 1,126.80
registration fee 106.00
14,372.80 2nd option.

A snowbank that is 6 inches deep is melting at a rate of 0.5 inch per hour. Write a linear function to model the scenario and identify the domain and range of the function.

Answers

Answer:

y = -0.5x + 6, Domain [0,12] and Range [0, 6]

Step-by-step explanation:

The slope in a linear function represents the rate of change. Since the amount of snow is decreasing (indicating a negative slope) at 0.5 inches an hour, our slope would be -0.5.

Our y intercept, 6, would be the starting amount of snow. At 0 hours, no snow has been melted.

Our domain is [0,12] these are the x values from where at zero there is 6 inches of snow and at 12 there is 0 inches of snow.

Finally, our range is [0,6]. Since there cannot be no more than 6 or less than 0 inches of snow, our range is [0,6]

Hope this helped!

What is the 25th term of the arithmetic sequence where a1=8 and a9=48 ? answers to choose from. a)113. b)118. c)123. d)128

Answers

First we need to find "d" which is difference between any 2 successive members of the sequence. Because the sequence is arithmetic that means that the difference between any 2 successive members is same and constant.

This is the formula for any member of sequence at position "n"
An = A1 + (n-1)*d
d = (a9 - a1)/(9-1)
d = 5

Now we calculate 25th member:
a25 = a1 + (25-1)*5
a25 = 128

Answer is d)

Answer:

128

Step-by-step explanation: