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3 years ago

6

PLEASE HELP I GIVE THANKS

1 answer:

Elden [556K]3 years ago

3 0

The answer of first one is A, because this is positive.

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a student found the slope of a line that passes through the points (1,14) and (3,4) to be 5. what mistake did she make?

mariarad [96]

$x_{1}=1$
$x_{2}= 3$
$y_{1} =14$
$y_{2}=4$
$Slope= \frac{rise}{run} = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1} } = \frac{4-14}{3-1} = \frac{-10}{2} =-5$

answer: The student flipped the y values

3 0

3 years ago

What is the value of y in the sequence below<br> 2, У, 18,-54, 162

Maslowich

Answer:

<em>y=-6</em>

Step-by-step explanation:

<em>Geometric Sequences</em>

Any given sequence is said to be geometric if each term $a_n$ can be obtained as the previous term $a_{n-1}$ by a constant value called the common ratio.

$a_n=a_{n-1}.r$

or equivalently

$a_n=a_1.r^{n-1}$

Looking closely at the sequence 2, y, 18,-54, 162 we can try to find out if it's a geometric sequence or not. We compute the possible common ratios

$\displaystyle \frac{162}{-54},\ \frac{-54}{18}$ and we see they both result -3. If we use r=-3 and try to find the second term (y), then

y=2*(-3)=-6

Now we compute the third term: (-6)(-3)=18

Since we got the third term as given in the original sequence.

So y=-6

3 0

3 years ago

1 - 2/4=?????<br>I forgot how too do these T-T

Tema [17]

Answer:

1/2

Step-by-step explanation:

you can simply the fraction making it 1/2 and 1 - 1/2 = 1/2

3 0

3 years ago

Read 2 more answers

Please help me...........

Semenov [28]

The answer is 1,296, that's how many bacteria's there will be

8 0

4 years ago

In triangle ABC if angle a - angle b = 63 degree and angle b - angle c = 18 degree find angle b

madreJ [45]

Angle B is 45, angle A is 108, angle C is 27

5 0

3 years ago