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2 years ago

Which ones are like terms and how can you tell? -8h 4h 3t 7t -4e 3e -2b b

Mathematics

1 answer:

Soloha48 [4]2 years ago

3 0

Answer:

1) -8h and 4h

2) 3t and 7t

3) -4e and 3e

4) -2b and b

Step-by-step explanation:

They all have the same variable as the other in the pair. There aren't any other variables added or exponents.

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A circle passes through (3,-1),(-2, 4), and (6,8)

Vaselesa [24]

Answer:

D = -6, E = -8 , F = 0

Step-by-step explanation:

standard form = $x^{2} + y^{2} + Dx + Ey + F = 0$

now, when circle passes through (3,-1);

⇒ $3^{2} + (-1)^{2} + D(3) + E(-1) + F = 0$

⇒ $3D - E + F + 10 = 0$ ...............( equation 1)

when circle passes through (-2,4);

⇒ $(-2)^{2} + 4^{2} + D(-2) + E(4)+ F = 0$

⇒ $-2D + 4E + F + 20 = 0$ ...............( equation 2)

when circle passes through (6,8);

⇒ $6^{2} + 8^{2} + D(6) + E(8) + F = 0$

⇒ $6D + 8E + F + 100= 0$ ................( equation 3)

by solving these 3 equations , we get;

D = -6, E = -8, F = 0

hence,

standard form = $x^{2} + y^{2} + Dx + Ey + F = 0$

= $x^{2} + y^{2} - 6x - 8y = 0$

5 0

3 years ago

Solve the following system of equations by substitution. *<br> 8x + 5y = 24<br> y = -4x

icang [17]

Answer:

x= 19/4

Step-by-step explanation:

6 0

2 years ago

Pleaseee help fast !!!

Svet_ta [14]

Answer:

function 2

function 1

function 3

Step-by-step explanation:

function 1 has a slope of -2, function two has a slope of -8/3 or approximately -2.6 function three has a slope of -11/6 or approximately -1.8

7 0

3 years ago

DC = 10 What is the measure of angle ABD?

den301095 [7]

There is normally a shape or something to these problems

4 0

3 years ago

Jet001 [13]

Answer:

Option D is correct.

VS = 20 units.

Step-by-step explanation:

The complete question is contained in the attached image to this answer.

From the image attached and the additional information about the triangles, it is evident that that triangle VSW is similar to triangle QSR.

Hence, we can write the ratio as

(VS/QS) = (VW/QR)

VS = 2a

QS = 2 × VS = 2 × 2a = 4a

VW = 2a - 2

QR = 3a + 6

(2a)/(4a) = (2a - 2)/(3a + 6)

Cross multiplying,

2a (3a + 6) = 4a (2a - 2)

3a + 6 = 2 (2a - 2)

3a + 6 = 4a - 4

4a - 3a = 6 + 4

a = 10

VS = 2a = 20 units.

Hope this Helps!!!

4 0

3 years ago