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DIA [1.3K]
2 years ago
9

Simplify the expression: 1+24432+21d+31d

Mathematics
2 answers:
Elenna [48]2 years ago
7 0

Answer:

52d+24433 is the correct answer

Alex787 [66]2 years ago
5 0

Answer:

24433+52d

Step-by-step explanation:

Simplify by adding

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8. Given: PQR and TSR are right triangles,
rewona [7]

Answer:

The answer is below

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. Types of triangles are scalene, right angled, isosceles, equilateral.

A right angled triangle is a triangle with one angle equals to 90°.

Statement                      Reason

∠PQR = ∠RST                Given. ∠PQR = ∠RST = 90° (definition for right

                                       angle triangle.

PQ = ST                          Given

PR ≅  RT                         Since R is the midpoint of PT, hence PR = RT

ΔPQR ≅ ΔTSR                Side-angle-side triangle congruence theorem.

                                       the Side-angle-side triangle congruence theorem

                                       states that if two sides and an included angle of

                                       one triangle is equal to two sides and an included

                                       angle of another triangle, then the two triangles

                                       are congruent. PQ=ST, PR = RT and ∠PQR = ∠TSR

3 0
2 years ago
a professor must randomly select 4 students to participate in a mock debate. There are 20 students in his class. In how many dif
Feliz [49]
If the order doesn't matter the it's
C(20,4)=\dfrac{20!}{4!16!}=\dfrac{17\cdot18\cdot19\cdot20}{2\cdot3\cdot4}=4845
6 0
3 years ago
Read 2 more answers
Solve the system of equations. 3x+2y+z=16 4x−y=−5 y+z=11
labwork [276]

Answer:

I have no clue j need more free answer

Step-by-step explanation:

3x+2y+z=16 4x-y=-5 y+x=11

6 0
3 years ago
I need to know the steps to simplify 15.7 + (-3.45)
faust18 [17]
U call it keep change change. keep 15.7. change it to subtract and change -3.45 to just 3.45 (positive not negative)
5 0
3 years ago
Read 2 more answers
A point is plotted on the number line at 225 . A second point is plotted at −434 .
malfutka [58]

Answer:

7 3/20

Step-by-step explanation:

I took the quiz.

7 0
3 years ago
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