3 years ago

Which step in the solution contains the first error ?? Please helpp

Mathematics

2 answers:

kumpel [21]3 years ago

6 0

Answer:

step 4 I believe

Step-by-step explanation:

dsp733 years ago

3 0

The step in the solution that contains the first error is step 4

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ANSWER AND EXPLAIN PLEASE ILL MARK BRAINLIEST!!!!!!!!!!!

motikmotik

Answer:

x = 1 and y = -2

Step-by-step explanation:

Given that,

2x-3y = 8 ..(1)

4x+3y = -2 ..(2)

Add equation (1) and (2),

2x-3y+4x+3y = 8+(-2)

6x = 6

x = 1

Put the value of x in equation (1).

2-3y = 8

2-8 = 3y

-6 = 3y

y = -2

Hence, the value of x is 1 and that of y is -2.

3 0

3 years ago

Find S5 for a geometric series for which a1=81 and r=1/9.

Minchanka [31]

ANSWER

$S_5=91\frac{10}{81}$

EXPLANATION

The sum of the first $n$ terms of a geometric sequence is given by;

$S_n=\frac{a_1(1-r^n)}{1-r} ,-1$

Where $n$ , is the number of terms and $a_1$ is the first term.

When $n=5$ , we have $a_1=81$ , we get;

$S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}$

$S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}$

$S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}$

$S_5=\frac{7381}{81}$

$S_5=91\frac{10}{81}$

6 0

3 years ago

A fair coin is flipped three times where each flip comes up either heads or tails. part

gayaneshka [121]

See the attached picture for solution:

3 0

3 years ago

Find the focus. x2 = 6y A. (0, 3/2) B. (0,6) C. (0, -3/2) D. (3/2,0)

IRISSAK [1]

Answer:

Step-by-step explanation:

its A

4 0

3 years ago

Is (6, -24) a solution to the equation: y = -7x + 18? ¿Es (6.-24)

KatRina [158]

i think that's the answer

6 0

3 years ago