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Scrat [10]
3 years ago
11

What is the answer to the distance formula of (-1,8), (7,-9)

Mathematics
1 answer:
Lady_Fox [76]3 years ago
7 0

The answer is 25, it moves 8 points x and 17 points y.

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$24 saved after 3 weeks; $52 saved after 7 weeks. are these ratios equivalent
SIZIF [17.4K]
To figure out this question, I first divided 24 into 3, which gives me an answer of 8. then I divided 52 into 7 , which also is 8 . because the two numbers are the same, I know the ratios are equivalent.
4 0
3 years ago
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Find the slope of the line through (4, 6) and (4, 10).<br> A.0<br> B.3<br> C.1/3<br> D. Undefined
Neko [114]

Answer:

D. Undefined

Step-by-step explanation:

4-4 = 0, 10-6 = 4

Change of x = 0

Change of y = 4

Since the change of x is 0 (a horizontal line), it is undefined.

6 0
3 years ago
Which system type is a linear system with infinitely many solutions?
Maru [420]

Answer: C

Step by step explanation-

4 0
3 years ago
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Find the obtuse angle between the following pair of straight lines.
ioda

Given:

y=-2

y=\sqrt{3}x-1

To find:

The obtuse angle between the given pair of straight lines.

Solution:

The slope intercept form of a line is

y=mx+b     ...(i)

where, m is slope and b is y-intercept.

The given equations are

y=0x-2

y=\sqrt{3}x-1

On comparing these equations with (i), we get

m_1=0

m_2=\sqrt{3}

Angle between two lines whose slopes are m_1\text{ and }m_2 is

\tan \theta=\left|\dfrac{m_2-m_1}{1+m_1m_2}\right|

Putting m_1=0 and m_2=\sqrt{3}, we get

\tan \theta=\left|\dfrac{\sqrt{3}-0}{1+(0)(\sqrt{3})}\right|

\tan \theta=\left|\dfrac{\sqrt{3}}{1+0}\right|

\tan \theta=\pm \sqrt{3}

Now,

\tan \theta= \sqrt{3} and \tan \theta=-\sqrt{3}

\tan \theta= \tan 60^\circ and \tan \theta=\tan (180^\circ-60^\circ)

\theta= 60^\circ and \theta=120^\circ

120>90, so it is an obtuse angle and 60, so it is an acute angle.

Therefore, the obtuse angle between the given pair of straight lines is 120°.

6 0
2 years ago
Here are the median Annual Salaries for two different people: Level of Education Bachelor's Degree Master's Degree Median Annual
Pavlova-9 [17]

Answer: $547200

Median salary of masters older is 68,100

Total after 36 years= 68,100*36 = $2,451,600

Median Salary of BSc holder is $52,900

Total median salary after 36 years is 52,900*36 = 1,904,400

The difference is $2,451,600-1,904,400 = 547,200

The person with Masters will earn $547,200 after 36 years

Step-by-step explanation:

7 0
3 years ago
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