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4 years ago

You reflect the point ( -7, -6) across

Mathematics

1 answer:

Leokris [45]4 years ago

4 0

Reflecting is pushing it across from one side to another.
The answer would be (7,6)
Sorry I'm late.

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CAN AN EXPERT HELP ME SOLVE THE AREA OF A KITE?? Ill give brainlest and points

Natali [406]

Answer:

20 cm2

Step-by-step explanation:

Area of the kite = (2 × small triangle) + (2 × large triangle)

= (2 × 0.5 × 2 × 2) + ( 2 × 0.5 × 2 × 8)

= 4 + 16

= 20 cm2

(The diaganals of the kite bisect each other at 90 degree)

5 0

3 years ago

Write the rule for the nth term of each sequence.

stira [4]

Rule for sequence a is: a_n = 10-3n

Rule for sequence b is: a_n = -19+8n

Step-by-step explanation:

a.)7, 4, 1, -2, ...

First of all we have to find the common difference. Common difference is the difference between consecutive terms of an arithmetic sequence

Here,

$a_1 = 7\\a_2 = 4\\a_3 = 1\\d = a_2 - a_1 = 4-7 = -3\\d = a_3 - a_2 = 1-4 = -3$

The explicit rule for an arithmetic sequence is:

$a_n = a_1 + (n-1)d$

Putting the value of a1 and d

$a_n = 7 + (n-1)(-3)\\a_n = 7 -3n+3\\a_n = 10-3n$

b.)-11, -3, 5, 13, ...

First of all we have to find the common difference. Common difference is the difference between consecutive terms of an arithmetic sequence

Here,

$a_1 = -11\\a_2 = -3\\a_3 = 5\\d = a_2 - a_1 = -3+11 = 8\\d = a_3 - a_2 = 5+3 = 8$

The explicit rule for an arithmetic sequence is:

$a_n = a_1 + (n-1)d$

Putting the value of a1 and d

$a_n =-11 + (n-1)(8)\\a_n = -11 +8n-8\\a_n = -19+8n$

Hence,

Rule for sequence a is: a_n = 10-3n

Rule for sequence b is: a_n = -19+8n

Keywords: Arithmetic sequence, common difference

Learn more about arithmetic sequence at:

#LearnwithBrainly

8 0

3 years ago

A 6-pack of undershirts costs $13.98. This is $3.96 less than the cost of buying 6 individual shirts.

alisha [4.7K]

I gues you want to know the price of an individual shirt?
(13.98+3.96)/6
17.94/6
2.99
An individual shirt costs 2.99$

6 0

3 years ago

How many unique triangles can be made when one angle measures 90° and another angle is half that measure? 1 2 More than 2 None

avanturin [10]

Answer:

Step-by-step explanation:

I'm not sure if I read your question right, but if one angle is 90 and the other should be half the angle 90, the other angle must be 45. Thus, this would create a 45-45-90 triangle. There is no other possibility if one of the angles must be half that of the 90 degree angle.

4 0

3 years ago

A runner runs at an average speed of 7m/s for 25 seconds how fun did the runner run in metres?

jeyben [28]

175

Explanation:

If a runner is running 7 meters per second for 25 seconds then just multiply 7 and 25

7•25= 175

4 0

2 years ago

Read 2 more answers