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kogti [31]
3 years ago
11

Can i have some help with this please?

Mathematics
2 answers:
Zepler [3.9K]3 years ago
3 0
This will be the answer

Travka [436]3 years ago
3 0

Answer:

y = - \frac{2}{7} x + 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - \frac{2}{7} and c = 5, thus

y = - \frac{2}{7} x + 5 ← equation of line

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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

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

\angle R+\angle Q=180

2\angle R=180

\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.

6 0
4 years ago
Read 2 more answers
Help me 7th grade math please
Stolb23 [73]

Answer: 13.5 ounce bottle for $2.19

a 29.2 ounce bottle for $5.37

The 29.2 ounce bottle is better

Step-by-step explanation:

13.5 ounce bottle for $2.19

a 29.2 ounce bottle for $5.37

find the ratios

13.5/2.19 = $6.16 per unit

29.2/5.37 = $5.44 per unit

3 0
2 years ago
4x+7y=19<br> Y=x+9<br><br> U must solve it in substitution method
Hunter-Best [27]
The answer is (-4, 5) x= -4 y= 5
8 0
3 years ago
WILL MARK BRAINLIEST!!!!!!!!! Can anyone help me with this.....There are multiple answers that need to be chosen
fomenos

Answer:

1st, 3rd, 5th

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which expression is equivalent to 4sqrt x^10​
Alex777 [14]

Answer:

4x^{5}

Step-by-step explanation:

It could also be x^{2}\sqrt{x} depending on how the problem is actually set up.

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3 years ago
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