Find the value of 42 + 6 ÷ 2.

Answers

Answer 1

Answer: If you do order of operations, you divide 6 and 2 getting 3. Add 42 and 3. 45 is the answer.

Answer 2

Answer:

Answer: the answer is 7

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What is the slope of y= -1/6x - 3/2

Answers

Answer:

-1/6

Step-by-step explanation:

Answer: -1/6

Step-by-step explanation:

Use the slope-intercept form y=mx + b to find slope m

What is a slope of a line that passes through the points -2,5 and 1,4

Answers

so the formula is y2-y1 divided by x2-x1 so the answer would be -1/3

If BC= 6.5, CD= 7.8, and AD=12.2, find AB to the nearest tenth

Answers

Assuming that each of these letters are splitting this half and half (based off of the information given here) then AB would be 9.4

Write the explicit formula for the geometric sequence. Then find the fifth term in the sequence. a1 = –4, a2 = 8, a3 = –16

Answers

The sequence: a 1 = - 4, a 2 = 8, a 3 = -16,...
a 2 = a 1 * r
8 = - 4 * r
r = 8 : ( - 4 )
r = - 2
a n = a 1 * r^(n-1)
a 5 = - 4 * ( - 2 ) ^4 = - 4 * 16 = - 64
Answer:
The fifth term in the sequence is - 64.

Answer:

B. an = –4 · (–2)n–1; –64

Step-by-step explanation:

The line is parallel to y= 2x + 1 and passes through point (-2,-1).

Answers

Answer:

y = 2x + 3

Step-by-step explanation:

To find the equation of a line, you need 2 things:

1) gradient/slope

2) 1 set of x and y coordinates

To find the slope:

If 2 lines are parallel, they have exactly the same gradient.

So, this line will have a slope of 2 as well (the slope of a line is the coefficient of x in the equation).

To find the equation of the line:

Start with this generic equation:

y - y1 = m (x-x1)

We know that:

(x1, y1) -> (-2, -1) and m= 2

So, we can substitute for the equation:

y- (-1) = 2 (x -(-2))

Simplify, by expanding the brackets:

y + 1= 2 (x+2)

y + 1 = 2x + 4

Rearrange for y:

y = 2x + 3

To double check:

1) The coefficient of x is the slope, we have 2x and the slop is 2, so that's correct

2) Sub in x= -2, and you should get y=-1

y = -4 + 3 = -1, so that's correct too

Hope that helped : )

A trading token is in the shape of a trapezoid and has an area of 25 cm² if the bases are three and 7 cm what is the height of the tokens

Answers

$Area = (b1 + b2)/(2) *h$
$25 = (3 + 7)/(2) * h$
25 = $(10)/(2)$ *h
25 = 5h
5 = h
the height is 5

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