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3 years ago

Let p represent any number in the interval (- 18,22). Rewrite the possible values for p in inequality notation.

Mathematics

1 answer:

Nataliya [291]3 years ago

6 0

Answer:

$-18 < p < 22$

Step-by-step explanation:

We are given the following information in the question.

The open interval: (- 18,22).

Let p belong to the given interval then p represents all the values belonging to the given interval.

Open Interval: An open interval is a interval that does not include the end points.

Thus, we can write:

$-18 < p < 22$

is the required inequality form required.

That is p can take values greater than -18 and smaller than 22.

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Find all the missing angles: a, b, c, d.

morpeh [17]

Answer:

a= 180-60-55=65

we know that the angle of a flat(?) ground would be 180, so we can take away the 60 and 55 to find a.

b=180-90-65=25

the sum of interior angle of a triangle would be 180, now we know what a is, also the right angle is 90, now we can take away the 90 and 65 to find b.

c=25

c is 25, because two angles on both sides of a X is the same

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3 years ago

Please answer these 5 questions

swat32

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3 years ago

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k0ka [10]

Y = f(3f - 4g + 3) +7g(3f - 4g + 3)
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2 years ago

Last questions, plz help

Goryan [66]

Answer:

9. $a_n=7+6n$

10. $a_n=a_{n-1}+7$

Step-by-step explanation:

9. Given the sequence

$13, 19, 25, ...$

In this sequence,

$a_1=13\\ \\a_2=19\\ \\a_3=25\\ \\...$

Note that

$a_2-a_1=19-13=6\\ \\a_3-a_2=25-19=6,$

then the common difference in this sequence is $d=6$

You have

$a_1=13\\ \\d=6,$

then the explicit formula is

$a_n=a_1+(n-1)d\\ \\a_n=13+(n-1)\cdot 6\\ \\a_n=13+6n-6\\ \\a_n=7+6n$

10. Given the sequence

$-10,-3, 4, 11, ...$

In this sequence,

$a_1=-10\\ \\a_2=-3\\ \\a_3=4\\ \\a_4=11\\ \\...$

Note that

$a_2-a_1=-10-(-3)=-10+3=-7\\ \\a_3-a_2=-3-4=-7\\ \\a_4-a_3=11-4=7,$

then the common difference in this sequence is $d=7$

You have

$a_1=-10\\ \\d=7,$

then the recursive formula is

$a_n=a_{n-1}+d\\ \\a_n=a_{n-1}+7$

5 0

3 years ago

[-1/4/5] × [-7/10+0.95] - [-2/1/4]

const2013 [10]

Answer:

-2.5625

Step-by-step explanation:

1)[-1/4/5] × [-7/10+0.95] - [-2/1/4] turn that into improper fractions

2 1/4=9/4

which is 1 4/5(-7/10+0.95)9/4

2) 1 4/5(-7/10+0.95)= 0.3125

which is 0.3125-9/4

3)Make into decimal form

9/4 equals 2.25

which is 0.3125-2.25

which all equals -2.5625

5 0

3 years ago