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2 years ago

SOMEBODY HELP ME AS SOON AS POSSIBLE !!

Mathematics

1 answer:

mixer [17]2 years ago

6 0

Answer:

387000000 (Question C)

Step-by-step explanation:

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Multiply the expression 2(x+1)(2x-5)

Sedbober [7]

This gives you the answer, look at it tells you how to solve this and get your answer

8 0

3 years ago

Hep asappppppppppppp

schepotkina [342]

Answer:

(6 , -1)

Step-by-step explanation:

2x+ y = 11 ----------------(I)

y = 11 - 2x --------------------(II)

$\frac{1}{2}x - 5y = 8$

Multiply the whole equation by 2

$2*\frac{1}{2}x -2*5y = 2*8$

x - 10y = 16 --------------------(III)

Substitute y = 11- 2x in equation (III)

x - 10(11 - 2x) = 16

x - 110 + 20x = 16

21x - 110 = 16

21x = 16 +110

21x = 126

x = 126/21

x = 6

Plugin x = 6 in equation (II)

y = 11 - 2*6

y = 11 - 12

y = -1

5 0

2 years ago

Line CD contains points A (4, -7) and B (4, 8). The slope of line CD is

mylen [45]

<span>To find the slope, you divide the difference of the y-coordinates of a point on a line by the difference of the x-coordinates. It is expressed as:

slope = (y2 - y1) / (x2-x1)
slope = 8-(-7) / 4 - 4
slope = 15 / 0
slope = undefined <------ SECOND OPTION

The line should be vertical where the slope is undefined. Hope this answers the question. Have a nice day.</span>

6 0

2 years ago

Read 2 more answers

A geometric sequence has a first term of 3 and a fourth term of 81÷8.<br><br> Find the eighth term

tatuchka [14]

Answer:

6561 / 128

Step-by-step explanation:

The nth term of a geometric sequence is:

a = a₁ (r)ⁿ⁻¹

The first term is 3, and the fourth term is 81/8.

81/8 = 3 (r)⁴⁻¹

27/8 = r³

r = 3/2

The eighth term is therefore:

a = 3 (3/2)⁸⁻¹

a = 6561 / 128

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2 years ago

. If 1: x is equivalent to 64 : 25, find x

alexandr1967 [171]

Answer:

x=25/64

Step-by-step explanation:

by simple substitution

7 0

3 years ago