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saul85 [17]
3 years ago
6

I need help with identifying parallel and perpendicular lines from equations.

Mathematics
1 answer:
Semenov [28]3 years ago
8 0
For the first one, lines one and two are perpendicular because they have opposite slopes. Parallel lines share the same slope
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Please help!<br><br> What is the least amount of material needed to make the mailing tube?
riadik2000 [5.3K]
Material needed = πD x height

π x 3 x (3 x 12)           //multiply by 12 to change the 3 feet to inches

= 339.29 in²

----------------------------
Answer: 339.29 in²
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3 0
3 years ago
Find all the points having an x-coordinate of 4 whose distance from the point (-2,-1) is 10
Marta_Voda [28]
A(x_1;\ y_1);\ B(x_2;\ y_2)\\\\the\ distance\ between\ A\ and\ B:\\\\d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\A(-2;-1);\ B(4;\ y);\ d=10\\\\subtitute\\\\\sqrt{(4-(-2))^2+(y-(-1))^2}=10\\\\\sqrt{(4+2)^2+(y+1)^2}=10\\\\\sqrt{6^2+(y+1)^2}=10\\\\\sqrt{36+(y+1)^2}=10\ \ \ |square\ both\ sides\\\\36+(y+1)^2=10^2\\\\36+(y+1)^2=100\ \ \ |subtract\ 36\ from\ both\ sides\\\\(y+1)^2=64\iff y+1=-\sqrt{64}\ or\ y+1=\sqrt{64}\\\\y+1=-8\ or\ y+1=8\ \ \ \ |subtract\ 1\ from\ both\ sides\\\\y=-9\ or\ y=7

Answer:{\boxed{(4;-9)\ or\ (4;\ 7)}
4 0
3 years ago
on monday, elliot road 6 miles on a bike. on tuesday he rode 6 miles on wednesday he rode 3 times farther than he did monday and
Darya [45]

Answer:

48

Step-by-step explanation:

Because 6 plus 6 is 12 and if he rode 3 times how much he rode on those days it would be 12 times 3 which is 36 than it's 36 plus 12 to get 48

5 0
3 years ago
Read 2 more answers
Question is in the picture
padilas [110]

Answer:

3.2

Step-by-step explanation:

Add up the first group then add up the second group then divide the group Y by group X

round to the nearest integer. The rule for rounding is simple: look at the digits in the tenth’s place (the first digit to the right of the decimal point).

Hope This Helps bud ^^

6 0
3 years ago
Read 2 more answers
I need help with the answer
3241004551 [841]

Hi there!

Looking at the graph, we can see zeroes at x = -4, 0 (bounce, degree of 2) and 3. The graph is also face up, so it is positive. We can write an equation in factored form:

f(x) = x²(x + 4)(x - 3)

Find the equation of g by translating each zero left. The new zeros would be:

x = -6, x = -2, and x = 1

Write the polynomial:

g(x) = (x + 2)²(x + 6)(x - 1)

6 0
3 years ago
Read 2 more answers
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