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dusya [7]
3 years ago
10

Pls pls pls pls pls help me pls

Mathematics
1 answer:
grandymaker [24]3 years ago
3 0

Coefficient of a² is -2

Coefficient of ab is 4

Coefficient of b is -2

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If the pictured triangles are congruent what reason can be given
igor_vitrenko [27]

Answer:

SAS Postulate.

Step-by-step explanation:

Two triangles are congruent if anyone of the following postulates is true:

SAS - Two corresponding sides and the included angles are congruent to each other.

SSS - All the three corresponding sides are congruent.

ASA - Two corresponding angles and the included sides are congruent to each other.

AAS - Two corresponding consecutive angles and sides adjacent to either of the angles are congruent.

HL - If the corresponding hypotenuses and one corresponding legs are congruent to each other.

Here, in the figure, two corresponding sides and the included angle between them are congruent to each other.

So, the two triangles are congruent by SAS postulate.

8 0
2 years ago
In triangle LMN, the measure of m_L =75°and m_M is one-half m_N. what is m_M?
Svetach [21]
Let m(<N) be x;
We have m(<M) = 1.5x;
We solve the equation: 75 + x + 1.5x = 180;
75 + 2.5x = 180;
2.5x = 105;
x = 105 ÷ 2.5;
x = 42;
Finally, m(<M) = 63 degrees;
4 0
3 years ago
What is 2 times 2 times 2 times 2?
kolezko [41]
The answer 16 (sixteen)
7 0
3 years ago
Read 2 more answers
There is a line whose slope is 7 and whose y-intercept is 9. What is its equation in slope-intercept form?
Alex73 [517]

Answer:

Y=7x+9

Step-by-step explanation:

Y=mx + b

b= y-intercept

m=slope

Substitute:

Y=7x+9

4 0
3 years ago
There are 25 towns in a certain country, and every pair of them is connected by a train route. How many train routes are there?
7nadin3 [17]

Answer:

13

Step-by-step explanation:

a pair=2

so 25/each pair of towns

25/2=12+1=13

5 0
3 years ago
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