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3 years ago

13

What is the area of the shaded area

2 answers:

Nutka1998 [239]3 years ago

4 0

What is the shaded area? Please post pic.

Gnesinka [82]3 years ago

4 0

Post I picture and I can help.

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Find the first term of the arithmetic sequence in which a38= -5 and the common difference is -2.9

mestny [16]

Answer:

102.3

Step-by-step explanation:

a_38 = -5

difference d= -2.9

We use general formula

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

WE make the formula for a_38 th term

Plug in 38 for n

$a_{38} = a_1 + (38-1)d$

Now plug in -2.9 for d and -5 for a_38

$-5 = a_1 + (38-1)(-2.9)$

$-5 = a_1 - 107.3$

Now add 107.3 on both sides

102.3 = a_1

option A is correct

3 0

3 years ago

Read 2 more answers

The sum of two and three times the difference of a number and five is equal to four times the difference a number and one.

Andru [333]

Answer:

$x=-9$

Step-by-step explanation:

We translate the phrase into an equation:

$2+3(x-5)=4(x-1)\\$

Then we simplify:

$2+3(x-5)=4(x-1)\\2+3x-15=4x-4\\-13+3x=4x-4\\-9=x$

4 0

2 years ago

RUDIKE [14]

The correct answer is 18 sides.

7 0

3 years ago

The scale drawing of a park uses the scale 5 cm= 1 km. what is the perimeter of the actual park?

amid [387]

Answer:

5.0 × 10-5

Step-by-step explanation:

5 cm divided by 1 km

6 0

2 years ago

What is the y-intercept of a line perpendicular to y = x + 6 that passes through the point (4 ,-3)?

Reika [66]

Answer:

I believe it to be C

Step-by-step explanation:

3 0

2 years ago