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OleMash [197]
4 years ago
13

15 points!! Please help

Mathematics
1 answer:
natima [27]4 years ago
6 0

Answer:

see below

Step-by-step explanation:

106

The tens place is the 0, so we look at the ones place

Since 6 is 5 or greater we round the tens place up

0 will round to 1, and the ones places  goes to 0

106 rounds to 110

We need a number less than 180 that will round up to 180 from the tens place

We look at the tens place, it has to be less than 8 by 1

17 x

The number must be 5 or greater to round the 7 up to 8

175, 176, 177, 178, 179 will work

We need a number greater than 180 that will round down to 180 from the tens place

We look at the tens place, it has to be equal to 8

18 x

The number must be 4 or less to leave the 8 alone

180, 181, 182, 183, 184

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Write an equation in point point-slope form of the line having the given slope that contains the point m=4, (2,5)
Nataly_w [17]

Answer:

\large\boxed{y-5=4(x-2)}

Step-by-step explanation:

The point-slope form of an eqution of a line:

y-y_1=m(x-x_1)

<em>m</em><em> - slope</em>

<em>(x₁, y₁)</em><em> - point on a line</em>

<em />

We have

m=4,\ (2,\ 5)\to x_1=2,\ y_1=5

Substitute:

y-5=4(x-2)

8 0
3 years ago
What is the value of x?<br>Enter your answer in the box<br>​
Ber [7]

Answer:

x = 8

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other two sides, that is

x² + 6² = 10²

x² + 36 = 100 ( subtract 36 from both sides )

x² = 64 ( take the square root of both sides )

x = \sqrt{64} = 8

3 0
4 years ago
Read 2 more answers
The perimeter of a quarter circle is 14.28 KM. What is the quarter circle's radius?
lawyer [7]
Circumference= 2πr
Circumference= perimeter

14.28km= 2(3.14)r
14.28= 6.2831853072r
divide both sides by 6.2831853072
2.27= r

ANSWER: The radius is 2.27km

Hope this helps! :)
3 0
3 years ago
Given that two terms of an arithmetic sequence are u5 = -3.7 and u15 = -52.3, find the value of the 19th term. ​
Mazyrski [523]

Answer:

  a19 = -71.74

Step-by-step explanation:

The general term of an arithmetic sequence with first term a1 and common difference d is ...

  an = a1 +d(n -1)

The given 5th and 15th terms tell us ...

  -3.7 = a1 +d(5 -1)

  -52.3 = a1 +d(15 -1)

Subtracting the first of these equations from the second, we find ...

  10d = -48.6

  d = -4.86 . . . . . . divide by 10

The 19th term will be ...

  a19 = a1 +d(19 -1)

Subtracting the 15th term from this, we find ...

  a19 -a15 = 4d

  a19 = 4d +a15 = 4(-4.86) +(-52.3)

  a19 = -71.74

4 0
2 years ago
Need help with this thank you
Ainat [17]

Step-by-step explanation:

ive answered in your other question u reposted ;)

7 0
3 years ago
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