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GenaCL600 [577]
3 years ago
12

Can someone help me please!!

Mathematics
2 answers:
podryga [215]3 years ago
8 0
I believe it is 3^2
CaHeK987 [17]3 years ago
3 0
Omg so easy ! 

i believe the answer would be 3^1  
have a nice day :)
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Based only on the information given in the diagram, which congruence theorems or postulates could be given as reasons why DEF=JK
NISA [10]

Answer:

A) AAS; B) LA; C) ASA

Step-by-step explanation:

AAS is the Angle-Angle-Side congruence statement.  It says that if two angles and a non-included side of one triangle are congruent to the corresponding two angles and non-included side of a second triangle, then the triangles are congruent.  In these triangles, ∠E≅∠K, ∠F≅∠L, and DE≅JK.  These are two angles and a non-included side; this is AAS.

LA is the leg-acute theorem.  It states that if a leg and acute angle of one triangle is congruent to the corresponding leg and acute angle of another triangle, then the triangles are congruent.

The leg we have congruent from each triangle is DE and JK.  We also have ∠E≅∠K and ∠F≅∠L, both pairs of which are acute.  This is the LA theorem.

ASA is the Angle-Side-Angle congruence statement.  It says that if two angles and an included side of one triangle are congruent to the corresponding two angles and included side of another triangle, then the triangles are congruent.  

We have that ∠D≅∠J, DE≅JK and ∠E≅∠K.  This gives us two angles and an included side, or ASA.

7 0
3 years ago
Read 2 more answers
X-5y-z=-20<br><br>-2x-y-6z=25<br><br>-x-4y-z=-15<br>Solve by elimination
Tju [1.3M]

Answer:

x = 0

y = 5

z = -5.

Step-by-step explanation:

X-5y-z=-20

-2x-y-6z=25

-x-4y-z=-15

Add equation 1 and 3:

-9y - 2z = -35 .......... A

Multiply the first equation by 2:

2x - 10y - 2z = -40

Now add this to equation 2:

-11y -8z = -15.............B

Now multiply equation A by -4:

36y + 8x = 140.........C

Add equations B and C:

25y = 125

y = 5.

Substitute for y in equation A:

-9*5 - 2z = -35

2z = -45 + 35 = - 10

z = -5.

Now find x by substituting for y and z in the first equation:

x - 5(5) - (-5) = -20

x - 20 = -20

x = 0.

6 0
3 years ago
Which option shows the following fractions written with a common<br>denominator?<br>8/9 and 3/8​
Mumz [18]

Answer:

72

Step-by-step explanation:

8/9 + 3/8

Multiply the denominators to get the common denominator

9x8 = 72.

4 0
3 years ago
Z=qm/q+m solve for m
leonid [27]
M= QZ/Q-Z    Ihope this helps

4 0
3 years ago
Can someone help me please
iris [78.8K]

Answer:

"I can find the maximum or minimum by looking at the factored expression of a quadratic function by reading off its roots and taking the arithmetic average of them to obtain the x-coordinate of the quadratic function, and then substituting that value into the function."

Step-by-step explanation:

Because of the symmetry of quadratics (which is the case here because we have two factors of degree 1, so we are dealing with a <em>polynomial</em> of degree 2, which is a fancy way of saying that something is a quadratic), the x-coordinate of the extremum (a fancy way of saying maximum or minimum) is the (arithmetic) average of the two roots.

In the factored form of a quadratic function, we can immediately read the roots: 3 and 7. Another way to see that is to solve (x-3)(x-7)=0, which gives x-3=0 \vee x-7=0 (the 'V' stands for 'or'). We can take the average of the two roots to get the x-coordinate of the minimum point of the graph (which, in this case, is x=\frac{3+7}{2} = \frac{10}{2} = 5).

Having the x-coordinate of the extremum, we can substitute this value into the function to obtain the maximum or minimum point of the graph, because that will give the y-coordinate of the extremum.

6 0
3 years ago
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