17 that's all plz help I don't get it

Answers

Answer 1

Answer: Formula: Area=pi times radius squared (the official one is A=pi symbol times r for radius squared

Radius=diameter divided by 2

3.6/2=1.8

1.8 squared=3.24

A=3.14 x 3.24

Area=10.1736 meters squared

Final Answer: Radius: 1.8 meters, Unit of measure: meters, Area: 10.1736 meters squared (round to whatever place your teacher wants you to)

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Definition of segment congruence

Answers

Answer:

Congruent segments are simply line segments that are equal in length. Congruent means equal. Congruent line segments are usually indicated by drawing the same amount of little tic lines in the middle of the segments, perpendicular to the segments

Step-by-step explanation:

What is the surface area of the rectangular prism

Answers

Answer:

The answer is C.

Step-by-step explanation:

To solve this problem, first do the calculations (twice per equation | example below.

6 x 8 x 2 = 96

8 x 11 x 2 = 176

6 x 11 x 2 = 132

Then, add of your products together to find your answer (example below).

132 + 176 + 96 = 404

Therefore, C is the answer.

Y varies directly as x. if x=5 when y=12 find x when y=30

Answers

I guess "varies directly" means that if, for example, you take x=6 you get y=13 or for x=4 y is 12.
Assuming this, you get:
$x_1 = 5 \n y_1 = 12 \n y_2 = 30 \n x_2 = ? \n \n x_2 - x_1 = y_2 - y_1 \n x_2 = x_1 + y_2 - y_1 \n x_2 = 5 + 30 - 12 \n x_2 = 23$
The logic would fit, I guess :/

Answer: The equation is y=k(x). So 12=k(5), divide by 5 on both sides coming up with k=2.4. Plug 2.4 in as k in the original equation, making it 30=2.4(x), divide both sides by 2.4, 30 divided by 2.4 is 12.5, making x=12.5

Read more on Brainly.com - brainly.com/question/1756486#readmore

Step-by-step explanation:

The relationship between men's whole-number shoe sizes and foot lengths is an arithmetic sequence, where a, is the footlength in inches that corresponds to a shoe size of n. A men's size 9 fits a foot 10.31 inches long, and a men's size 13 fits a
foot 11.71 inches long. What is the explicit formula for the arithmetic sequence? Round to the nearest hundredth, if necessary.
0 6, 7,514 0 35(n-1)
O a. - 9-0 35(n-1)
O a-9-286(n-1)
O a, - 10 31-2 86(n-1)

Answers

Answer:

$a =7.51+ 0.35(n - 1)$

Step-by-step explanation:

The arithmetic sequence has the form:

$a =a_1 + d(n - 1)$

When a=10.31, n=9, we substitute to get:

$a_1 + 8d = 10.31....eqn1$

Similarly, when n=13 and a=11.71, we get:

$a_1 + 12d= 11.71....eqn2$

Subtract equation 1 from equation 2 to get:

$4d = 1.4$

This implies that

$d = 0.35$

Substitute into the second equation to get:

$a_1 +12(0.35) = 11.71$

Solve to get

$a_1 = 7.51$

Hence the explicit formula is:

$a =7.51+ 0.35(n - 1)$

Answer:

Step-by-step explanation:

I got it right on edge

The researcher used the line y = 0.4x + 4 to model data when substituted the value of x=14 into this equation what did the result tell her

Answers

Alrighty lets see if I can explain this.
The formula is y=mx+b. We already have m, 0.4, which is the slope of the line, and we have b, 4, which is the y-intercept. If you plug in the given value of x, your formula ends up being y=0.4(14)+4 and when we graph that, your end with a straight line across the graph horizontally. If you solve the formula, your answer is y= 9.6
The slope of any horizontal line is 0, as it remains constant.

Write an equation for the line that is parallel to the given line and passes through the given point Y = 5x + 10; (2, 14)

A) y = 1/5x + 4
B) y = -1/5x - 4
C) y = 5x - 68
D) y = 5x + 4

Answers

Answer:

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 5x + 10 is in this form with slope m = 5

• Parallel lines have equal slopes, hence

y = 5x + c ← is the partial equation

to find c substitute (2, 14) into the partial equation

14 = 10 + c ⇒ c = 14 - 10 = 4

y = 5x + 4 ← equation of parallel line → D

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