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Sergio039 [100]
2 years ago
7

Drag and drop the tiles with the coordinate points, so they match up with an equation that they satisfy. PLEASE HELP!

Mathematics
2 answers:
yawa3891 [41]2 years ago
6 0
Y=13x+5

(0,5) (-2,-21)

y=-3x

(0,0) (-3,9)

y=x-10

(-2,8) (-5,-15)
lorasvet [3.4K]2 years ago
4 0

Point     Equation 1 (y=13x+5)    Equation 2(y=-3x)     Equation 3(y=x-10)

(0,5)         5=13×0+5                          5≠-3×0                          5≠0-10

               5=0+5                                 5≠0                                5≠-10

               5=5(True)                         False                                False

(0,0)        0≠13×0+5                       0=-3×0                             0≠0-10

    0≠5(False)                       0=0(True)                         0≠ -10(False)

(8,-2)      -2≠13×8+5                        -2≠3×8                         -2=8-10

          (False)                             (False)                           -2=-2(True)

(-2,-21)   -21=13×(-2)+5                 -21≠ -3× (-2)            -21≠-2-10

         -21=-26+5                     -21≠ 6  (False)       -21≠-12(False)

         -21=-21(True)

(-5,-15)      -15≠13×(-5)+5              -15≠-3 × -5                  -15= -5-10

                False                         -15≠15(False)            -15= -15(True)

(-3,9)       9≠13×(-3)+5                   9=-3×(-3)                              9≠3-10

                False                       9=9(True)                    9≠ -7(False)        

True =Point lies on the line

False=Point does not lie on the line                

                                   

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Pls find the surface area for me. I need help ASAP!
melomori [17]

Answer:

About 90.84 in^2

Step-by-step explanation:

The formula for the surface area of a pyramid is

lw+l\sqrt{\frac{w}{2}^2+h^2}+w\sqrt{\frac{l}{2}^2+h^2}, which for this pyramid is equal to about 90.84 in^2. Hope this helps!

3 0
3 years ago
Musah stands at the centre of a rectangular field. He first takes 50 steps north, then 25 steps west and finally 50 steps on a b
Natalija [7]

Answer:

Musah's final point from the centre = 60.355 steps

Step-by-step explanation:

From the given information:

Musah stands at the centre of a rectangular field. He first takes 50 steps north, then 25 steps west and finally 50 steps on a bearing of 315°

The sketch for this information can be seen in the attached file below.

How far west is Musah's final point from the centre?

In order to determine how far west  is Musah's,

Let d be the distance of how far;

Then d = QR + RS cos θ

In the North West direction,

cos θ = cos 45°

d = 25 + 50( cos 45°)

d = 25 + 50( \dfrac{1}{\sqrt{2}} )

d = 25 + 50( 0.7071)

d =25 + 35.355

d = 60.355 steps

Musah's final point from the centre = 60.355 steps

5 0
3 years ago
Please help me. This was my study page but this was hard.
iVinArrow [24]
Your answer is 3277 because a negative divided by a negitive  makes it a positive.

3 0
3 years ago
Simplify the expression.<br><br><br> 5.3x - 9 + 7.6x
babunello [35]

Answer:

12.9x-9

Step-by-step explanation:

First you have to combine the like terms which are 5.3x + 7.6x= 12.9x. Then you just rewrite the equation 12.9x-9. You just leave the 9 by it self beacuse thers no other like terms.

7 0
2 years ago
Read 2 more answers
Determine whetherfis a function from the set of all bitstrings to the set of integers if
ipn [44]

Answer:

a) Not a function

b) It is a function

c) It is a function

Step-by-step explanation:

a) f(S) is not completly well defined, becuase if the bistring has multiple zeros, you need to pick one and there is not specified method in how you would do so. Another reason for which f is not well defined as a function is that for a bistring with only 1's, f is not defined because there is no zero.

b) This is a function. f(S) returns a concrete and unique integer number for each bistring S. If the bistring has only zeros, the f(S) = 0.

c) This is well defined as a function. It compensates for the failures of the first definition:

- If multiple zeros appears in S, you pick the first one, so there is one possible value for f(S)

-If no zeros appear, f is still well defined because it takes the value 0, as specified in the definition.

8 0
3 years ago
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