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Effectus [21]
3 years ago
15

Plz solve this question and pls show your work

Mathematics
2 answers:
victus00 [196]3 years ago
6 0
You have to subtract both sides by 64 and you will get,
-50 = 5z. Then divide both sides by 5, and you get -10 = z.
sp2606 [1]3 years ago
3 0
14 = 64 - 5z
(Move 5z to left by adding it's opposite to both sides)
5z + 14 = 64 - 5z + 5z
(eliminate opposites)
5z + 14 = 64
(Then move 14 to right side by adding it's opposite to both sides)
5z + 14 - 14 = 64 - 14
(Eliminate opposites)
5z = 64 - 14
(subtract numbers)
5z = 50
(divide both sides by 5)
5/5 z = 50/5
z = 10
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What is the congruence theorem used to prove that the two triangles are congruent?
natka813 [3]

Answer:

AAS, the two equal angles, the two right triangles, and the shared side

Step-by-step explanation:

8 0
2 years ago
A trapezoid has base lengths of 2.5 inches and 10 inches and an altitude of 8 inches. What is the area of the trapezoid?
lisov135 [29]
A= 50. 2.5+10= 12.5/2= 6.25x8= 50
5 0
3 years ago
Read 2 more answers
I need help urgent this is to hard for me to do
Morgarella [4.7K]

Answer:

( 7 , 4 )

given:

  • 4x + 10y = 68
  • 4x - y = 24

make y the subject in equation 2:

4x - y = 24

-y = 24 - 4x

y = 4x - 24

insert this in equation 1:

4x + 10y = 68

4x + 10(4x - 24) = 68

4x + 40x - 240 = 68

44x = 68 + 240

44x = 308

x = 7

solve for y:

y = 4x - 24

y = 4(7) - 24

y = 4

6 0
2 years ago
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Please help me on this
Alchen [17]

Answer:

btw the pic is not loading and i am sure if you just listened to your teacher you would understand the question and it would not be so hard.

Step-by-step explanation:

8 0
3 years ago
AnyonE wanna help?????
olga_2 [115]

Answer:

Step-by-step explanation:

a). Let the missing term = a

   (a + 7) + (2x - 6) = -4x + 1

   (a + 2x) + (7 - 6) = -4x + 1

   (a + 2x) + 1 = -4x + 1

   (a + 2x) = -4x

   a = -4x - 2x

   a = -6x

   So the equation is,

  (-6x + 7) + (2x - 6) = -4x + 1

b). (a² + p + 1) - (q + 5a + r) = 4a² -2a + 7

   I have assumed p, q and r are the variables at the blank spaces.

   (a² - q) + (p - 5a) + (1 - r) = 4a² - 2a + 7

   By comparing both the sides of the equation,

    a²- q = 4a²

    q = a² - 4a²

    q = -3a²

    p - 5a = -2a

    p = -2a + 5a

    p = 3a

    1 - r = 7

    r = 1 - 7

    r = -6

    So the equation will be,

    (a² + 3a + 1) - (-3a² + 5a - 6) = 4a²- 2a + 7

3 0
2 years ago
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