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professor190 [17]
3 years ago
6

Can someone please tell me how to factorise 5x squared takeaway 80y squared

Mathematics
1 answer:
GuDViN [60]3 years ago
5 0
80y² - 5x²

Factorise

5(16y²-x²)

hope this helps

divide out any similar things, in this case, it is 5

put it outside the parenthesis, and leave the leftover inside the parenthesis

hope this helps
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To get to school, Grayson usually walks 1.5 miles west and 0.8 miles north on the sidewalks. Because he is in a hurry, he has de
Alex17521 [72]

Answer:

Grayson has to walk 1.7 miles across the field.

Step-by-step explanation:

We have drawn the diagram for your reference.

Given:

Grayson usually walks 1.5 miles west on the side walks

According to Diagram we can say;

CA = 1.5 miles

Also Given:

Grayson also walks 0.8 miles north on the sidewalks

So According to Diagram we can say;

BA =0.8 miles

Now we need to find number of miles Grayson have to walk across the field.

According to diagram we can say;

We have to find CA.

Assuming the diagram  to be right angled triangle.

We can find CA using Pythagoras theorem.

{CA}^2 = {CB}^2+{BA}^2

Substituting the given values we get;

{CA}^2 =1.5^2+0.8^2 = 2.25 +0.64 =2.89

Taking square root on both side we get;

\sqrt{{CA}^2} = \sqrt{2.89} \\\\CA = 1.7 \ mi

Hence Grayson has to walk 1.7 miles across the field.

4 0
3 years ago
In slope-intercept form, what is the equation of the line passing through the points (2, 13) and (5, 22)
KiRa [710]
(2,13),(5,22)
slope = (22 - 13) / (5 - 2) = 9/3 = 3

y = mx + b
slope(m) = 3
use either of ur points...(2,13)...x = 2 and y = 13
now sub and find b, the y int
13 = 3(2) + b
13 = 6 + b
13 - 6 = b
7 = b
so ur equation is : y = 3x + 7 <===
3 0
3 years ago
Find the missing term 75, 67, 59,__ , 43, 35
miskamm [114]

Answer:

51

Step-by-step explanation:

75 - 67 = 8

67 - 59 = 8

The difference between terms is 8

To find the next term take 59 -8

59-8 = 51

Check 51 -8 = 43  so we are correct

4 0
3 years ago
7. The terminal side of theta, and angle in standard position, intersects the unit circle at
SIZIF [17.4K]

Complete question is;

The terminal side of angle θ in standard position, intersects the unit circle at P(-10/26, -24/26). What is the value of csc θ?

Answer:

csc θ = -13/12

Step-by-step explanation:

We know that in a unit circle;

(x, y) = (cos θ, sin θ)

Since the the terminal sides intersects P at the coordinates P(-10/26, -24/26), we can say that;

cos θ = -10/26

sin θ = -24/26

Now we want to find csc θ.

From trigonometric ratios, csc θ = 1/sin θ

Thus;

csc θ = 1/(-24/26)

csc θ = -26/24

csc θ = -13/12

7 0
3 years ago
A circle has a radius of 3. An arc in this circle has a central angle of 60°.
MArishka [77]

Answer:

π

Step-by-step explanation:

s = (∅/360) * (2πr)

s = (60/360) * (2π*3)

s = (1/6) * (6π)

s = π

8 0
3 years ago
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