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tankabanditka [31]
3 years ago
10

Find the slope of the passing line through the points (-7, 8)and ( 5, -7

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0

Answer:

negative 5/4

Step-by-step explanation:

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What's the answer to this? and please explain.
vichka [17]
<h3>Answer: No, there isn't enough ribbon</h3>

===========================================================

Use this formula

a & b/c = (a*c+b)/c

to convert from a mixed number to an improper fraction

So,

a & b/c = (a*c+b)/c

3 & 3/4 = (3*4+3)/4

3 & 3/4 = 15/4

---------------------------------------------------

Next, we add the fractions 15/4 and 5/6. The denominators aren't the same, so we can't add right away. We need to get the denominators to the LCD.

In this case, the LCD is 4*6 = 24

  • The fraction 15/4 becomes 90/24 after multiplying top and bottom by 6.
  • The fraction 5/6 becomes 20/24 after multiplying top and bottom by 4

Now we can add the fractions:

90/24+20/24 = (90+20)/24 = 110/24

---------------------------------------------------

So far, we've added the 3&3/4 portion to the 5/6 portion to get the result 110/24

The last thing to do is to add on the two 1/3 ft pieces, which means we're adding on 2/3 of a foot

2/3 = 16/24 after multiplying top and bottom by 8

Add this to the result of the last section

110/24+16/24 = (110+16)/24 = 126/24

---------------------------------------------------

From here, we convert the improper fraction 126/24 to decimal form

Using a calculator, you should find that 126/24 = 5.25

The result is larger than 5, which means she used too much ribbon. There won't be enough ribbon to do everything she wants to do.

---------------------------------------------------

The shortcut we can take is to type the following into the calculator

3+3/4+5/6+2/3

doing so should lead to 5.25

5 0
3 years ago
Read 2 more answers
Question: Find the equivalent number.<br><br><br> (I will do brainlisit )
vodomira [7]

Answer:

81/9

9/1

9 is your answer ☺️☺️☺️

3 0
3 years ago
Read 2 more answers
The median age of the U.S. population in 1980 was 30.0 years. In 1991, the median age was 33.1 years.
ioda

Answer:

a. Life span increased

b. The median age could rise because of the improvement in medical technology. Also more advertisement of healthier life styles, such as eating healthy could have increase the median age.

c. No because this just shows the increase in life span not the decrease in children.

Step-by-step explanation:

a. more people on average lived longer lives. (explanation)

b. self explanatory I guess, my answer pretty much explained it.

c. life span of US citizens does not effect the children population. I guess you could say people lived longer lives to have more children, so possibly the number of children could have increased.

8 0
3 years ago
problem: report error when the measures of the angles of a triangle are placed in order, the difference between the middle angle
laiz [17]

The triangle's biggest angle's measurement in degrees is 97°.

What is a triangle?

  • A triangle is a polygon with three vertices and three sides. The angles of such a triangle are formed by the connection of the three sides end to end at a point. The triangle's three angles add up to 180 degrees in total.
  • All of the angles in an acute triangle are below 90 degrees.
  • Any angle in an obtuse triangle is larger than 90 degrees.
  • There is just one 90-degree angle in a right triangle.

Let a+b+c=180° with a < b < c

c-b=b-a\\c=2b-a | a=180-b-c\\c=2b-(180-b-c)\\c=2b-180+c+c | -c\\0=2b-180+b\\180=3b\\b=\frac{180}{3} \\b=60

Moving angle c of the triangle,

c=2b-a | a=23, b=60\\c=2(60)-23\\c=120-23\\c=97

The triangle's biggest angle's measurement in degrees is 97°.

Learn  more about triangles here:

brainly.com/question/25215131

#SPJ4

5 0
1 year ago
A count of the number of men for every 100 women in a particular population is called the:
Amiraneli [1.4K]

It is known and called sex ratio, The sex ratio in the ratio of males to every female in the population in each country. According to the research, for every 1000 people, there are 50.4% of male and 49.6% of female. So that there are more male in the entire world than female and also according to research the sex ratio for the entire world are 107 males and 100 females.

8 0
3 years ago
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