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3 years ago

Which postulate proves these two triangles are congruent?

Mathematics

2 answers:

zloy xaker [14]3 years ago

8 0

Answer:

D-"HL"

Step-by-step explanation:

HL- This theory states that the hypothenus and one base angle is eual and in this case its true!!

I hope im right!!

True [87]3 years ago

6 0

Answer:

SAS

there are line that are parallel to each other

there is also vertical opposite angles

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Solve for x 3(-x-3)+x-3=26

san4es73 [151]

Answer:

$\boxed {x = -19}$

Step-by-step explanation:

Solve for the value of $x$ :

$3(-x - 3) + x - 3 = 26$

-Use <u>Distributive Property</u>:

$3(-x - 3) + x - 3 = 26$

$3(-x ) - 9 + x - 3 = 26$

-Combine both $-9$ and $3$ :

$3(-x ) - 9 + x - 3 = 26$

$3(-x ) - 12 + x = 26$

-Add $12$ to both sides:

$3(-x ) - 12 + 12 + x = 26 + 12$

$3(-x) + x = 38$

-Multiply the $-1$ by $3$ :

$3(-x) + x = 38$

$-3x + x = 38$

-Combine both the $-3x$ and $x$ :

$-3x + x = 38$

$-2x = 38$

-Divide both sides by $-2$ :

$\frac{-2x}{-2} = \frac{38}{-2}$

$\boxed {x = -19}$

Therefore, the value of $x$ is $-19$ .

8 0

3 years ago

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John found money in his pocket. He went to the convenience store and spent 1/3 of his money on strawberry milk, 2/4 of his money

Assoli18 [71]

He spent 1/4 on chips

4 0

3 years ago

READ CAREFULLY!! THANK YOu! :)

ELEN [110]

Answer:

30inches

Step-by-step explanation:

Circumstances is given by πD(where D is diameter)

Then; from the given

30π=dad

Divide by the both side D =30inches

7 0

3 years ago

Which system of inequalities does the graph represent? Which test point satisfies both of the inequalities in that system?

AveGali [126]

Answer:

1) The inequality for the given system are

y ≥ 4x - 4

y ≥ x - 1.5

2) The test point (0,0) satisfies both of the inequalities in the system represented by the graph.

Step-by-step explanation:

Given : A graph showing a system of inequalities.

We have to find the system of inequality.

For line 1)

The points that cut the x and y axis are (1,0) and (0,-4)

Thus, we can find the equation of line using two given point.

Since the general equation of line is y = mx + c

Where m is slope and c is y intercept

Slope is find as $m=\frac{y_2-y_1}{x_2-x_1}$

Substitute, we get,

$m=\frac{-4-0}{0-1}=4$

Slope is 4.

Thus, equation becomes y = 4x + c

For c put (0,-4) in the above equation , we have,

-4 = 4(0) + c ⇒ c = -4

Thus, equation becomes y = 4x - 4

For inequality take a test point (0,0) and we check for which inequality it satisfies the graph region

For (0,0)

y = 4x - 4 becomes 0 = - 4 is satisfied when 0 > -4

thus, the inequality becomes y ≥ 4x - 4

Since, the line is a solid so it will take up equality sign too.

For line 2)

The points that cut the x and y axis are (1.5,0) and (0,-1.5)

Thus, we can find the equation of line using two given point.

Since the general equation of line is y = mx + c

Where m is slope and c is y intercept

Slope is find as $m=\frac{y_2-y_1}{x_2-x_1}$

Substitute, we get,

$m=\frac{-1.5-0}{0-1.5}=1$

Slope is 1.

Thus, equation becomes y = x + c

For c put (0,-1.5) in the above equation , we have,

-1.5 = (0) + c ⇒ c = - 1.5

Thus, equation becomes y = x - 1.5

For inequality take a test point (0,0) and we check for which inequality it satisfies the graph region

For (0,0)

y = x - 1.5 becomes 0 = -1.5 is satisfied when 0 > - 1.5

thus, the inequality becomes y ≥ x - 1.5

Since, the line is a solid so it will take up equality sign too.

Thus, the inequality for the given system are

y ≥ 4x - 4

y ≥ x - 1.5

Also, The test point (0,0) satisfies both of the inequalities in the system represented by the graph.

6 0

3 years ago

Algebra question, any help is appreciated

Solnce55 [7]

Your answer here would be B

5 0

3 years ago

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