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Marizza181 [45]
3 years ago
5

HELPPPPPP me for brainliest

Mathematics
1 answer:
mina [271]3 years ago
8 0

Answer:

see explain

Step-by-step explanation:

3 - 5

(X1, Y1) (X2, Y2)

which turns to at least for number 3

(11 - 8) / (-2 - 6) =  -3 / 8 = -0.375

think you can figure out the rest.

then for #1 and 2

do the same thing, except choose any two points on the graphs.

for example you could choose (-1, 0) and (0, -2) for #1

in the equation this would be (-2 - 0) / (0 - (-1) = (-2)/1 = -2

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Please help. I will mark you as brainliest !
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Answer:

x \times x + x \times 4 + x \times x + x \times 1 - 3 \times x + 3 \times 4 + 3 \times x + 3 \times 1

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the weight of 3 kittins at one week of age were 3.6 ounces 4.2ounces and 3.3 ounces if each kitten has gained 2.3ounces how much
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3.6 + 2.3 = 5.9

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Step-by-step explanation:

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Step-by-step explanation:

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In parallelogram QRST QS RT Is QRST a rectangle ?
fomenos

Answer:

The correct option is A.

Step-by-step explanation:

It is given that the QRST is a parallelogram and the diagonals QS and RT are congruent.

According to the property of parallelogram if the length of diagonals are same, then the parallelogram is rectangle. We can also prove it.

Let QRST be an parallelogram and QS=RT.

In triangles QRT and RQS.

RT=QS         (Diagonals)

QR=QR         (Common side)

QT=RS         (Opposite sides of the parallelogram are same)

So by SSS rule of congruence, triangle QRT and triangle RQS are congruent.

By CPCT,

\angle R=\angle Q

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\angle R+\angle Q=180

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\angle R=90

Therefore the measure of angle R and angle Q are 90 degree.

Similarly in triangle QST and RTS,

RT=QS         (Diagonals)

ST=ST         (Common side)

QT=RS         (Opposite sides of the parallelogram are same)

So by SSS rule of congruence, triangle QST and RTS are congruent.

By CPCT,

\angle S=\angle T

Since the sum of two consecutive angles of a parallelogram is 180 degree.

Therefore the measure of angle S and angle T are 90 degree.

Since the measure of all interior angles of QRST are 90 degree, therefore the parallelogram QRST  is a rectangle.

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