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Misha Larkins [42]

3 years ago

13

(20PTS, Will mark brainliest!) What is the 8th term of the arithmetic sequence with a first term of 7 and a common difference of

-3?

1 answer:

tangare [24]3 years ago

8 0

Answer:

the answer is-14 please do you get it

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Repeated addition:<br> [ 1,3] + [1,3]+[1,3]= [a,b]<br> A=? B=?

sammy [17]

Answer:

I THINK a=3 b=9

Step-by-step explanation:

4 0

3 years ago

The height of an isosceles triangle is twice the length of its base. What are the coordinates of an undefined vertex?

Dovator [93]

Sorry this is late but it's (7,12)

7 0

4 years ago

Use the square root property of equality to solve<br> (x - 3)2 = -4.<br> The solutions are

Volgvan

Answer:

3+2i

Step-by-step explanation:

3 0

4 years ago

Read 2 more answers

A block of concrete is 1m long, 50cm wild and 4cm thick. 1.calculate the volume of the block in cm3 .2.if 1cm has a mass of 2.7g

Nonamiya [84]

9514 1404 393

Answer:

20,000 cm³
54 kg

Step-by-step explanation:

1 m is 100 cm, so the volume is ...

V = LWH

V = (100 cm)(50 cm)(4 cm) = 20,000 cm³ . . . volume

__

The mass is ...

(20,000 cm³)(2.7 g/cm³) = 54,000 g = 54 kg

The mass of the block is 54 kg.

7 0

3 years ago

What is the solution to this equation?<br>1-2x = 4(x + 3)

valina [46]

Answer:

x=-1.83

Step-by-step explanation:

1-2x=4(x+3)

1-2x=4x+12

-2x=4x+12-1

-2x=4x+11

-2x-4x=11

-6x=11

x=11÷-6

x=-1.83

4 0

3 years ago