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777dan777 [17]
3 years ago
10

1. Tell whether the line containing (-1,-2) and (4,4) and the line containing

Mathematics
1 answer:
AveGali [126]3 years ago
7 0

Step-by-step explanation:

Two lines are parallel if they have the same slope.

To find the slope of the line that passes through two points, (x_{1}, y_{1}) and (x_{2}, y_{2}), you can use the following formula:

\frac{y_{2} - y_{1}}{x_{2} - x_{1}}

For the first set of points, (-1, -2) and (4, 4), we can find the slope with the following:

\frac{4 - (-2)}{4 - (1)}

\frac{4 + 2}{4 + 1}

\frac{6}{5}

For the second set of points, (6, 3) and (-1, -3), we can find the slope with the following:

\frac{-3 - 3}{-1 - 6}

\frac{-6}{-7}

\frac{6}{7}

Since the two slopes are \frac{6}{5} and \frac{6}{7}, the two lines are not parallel.

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What is the surface area?
Blizzard [7]

Answer:

42 square yards

Step-by-step explanation:

T.S.A of cube

= 6l {}^{2}  \\

where l = 7yd

= 6(7) \\  = 42 \: yd {}^{2}

thus, the surface area of cube is 42 square yards

8 0
3 years ago
When (3,-2) is reflected across the x-axis the resulting image point is:
tankabanditka [31]

<em>3,2</em>

Step-by-step explanation:

Reflection across the x-axis:

(x,y) -> (x,-y)

In other words, you want to <u>change the sign of the y</u>.

(3,-2) -> (3,2)

4 0
3 years ago
Given: circle k(O) m∠R = (12x+1)mFP = (11x+7) mPQ= 60Find: mFP
zhannawk [14.2K]

Answer:

62°

Step-by-step explanation:

The angle R inscribes the arc FQ, so using the property of inscribed angles in a circle, we have that:

m∠R = mFQ / 2

The arc FQ is the sum of the arcs FP and PQ, so we have:

mFQ = mFP + mPQ = 11x + 7 + 60 = 11x + 67

Now, with the first equation, we have:

12x + 1 = (11x + 67) / 2

24x + 2 = 11x + 67

13x = 65

x = 5°

So we have that mFP = 11x + 7 = 55 + 7 = 62°

5 0
2 years ago
solve the following proportion for X (PICURE) (GIVING BRAINLEST TO CORRECT/BEST ANSWER) round to the nearest tenth.​
densk [106]

Answer:

I just answer this

x = 4,235294118

Step-by-step explanation:

7 0
3 years ago
ANSWER ASAPPP PLSSS. ILL MARK BRAINLIEST TOO
nevsk [136]

Answer:

Step-by-step explanation:

11.04 = 10(1.02)^n

1.104 = 1.02^n

ln 1.104 = ln 1.02^n

ln 1.104 = n ln 1.02

n = ln 1.104/ ln 1.02

n = 4.99630409516

4.99 can be rounded to 5.

So a reasonable domain would be 0 ≤ x < 5

PART B)

f(0) = 10(1.02)^0

f(0) = 10(1)

f(0) = 10

The y-intercept represents the height of the plant when they began the experiment.

f(1) = 10(1.02)^1

f(1) = 10(1.02)

f(1) = 10.2

(1, 10.2)

f(5) = 10(1.02)^5

f(5) = 10(1.1040808)

f(5) = 11.040808

f(1)=10(1.02)^1

f(1)=10.2

Average rate= (fn2-fn1)/(n2-n1)

                     =11.04-10.2/(5-1)

                    =0.22

the average rate of change of the function f(n) from n = 1 to n = 5 is 0.22.  

3 0
3 years ago
Read 2 more answers
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