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Stolb23 [73]
3 years ago
9

Could someone help me?

Mathematics
1 answer:
damaskus [11]3 years ago
3 0

Answer:

<em>∠B </em>= 65°

Step-by-step explanation:

Complementary angles are angles that add up to 90°. So if there is 90 total degrees - 25 degrees of <em>∠A, then ∠B </em>= 65°.

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Cual es el valor de la expression<br>7×3²+3×7+6​
Julli [10]

Answer:

90

Step-by-step explanation:

7 x (3x3) + (3x7) +6

(7 x 9) + 21+6

63 + 21 + 6

        90

3 0
3 years ago
Solve:7 +42-32-32 = 14.3-2a +7<br> A = -3<br> A= 0<br> A= 3<br> no solution
madreJ [45]

Answer:

a = 18.15

Step-by-step explanation:

7+42-32-32=14.3-2a+7

Combine like terms on the left side of the equation first. Add 7 and 42, then subtract 32 from the answer you get, then subtract 32 from that answer. This is going by order of PEMDAS.

Remember PEMDAS: (numbers 3 & 4 and numbers 5 & 6 are solved from left to right)

  1. Parentheses
  2. Exponents
  3. Multiplication
  4. Division
  5. Addition
  6. Subtraction

-15=14.3-2a+7

After combining like terms on the left side, you get -15. Now combine like terms on the right side of the equation by adding 14.3 and 7.

-15=21.3-2a

Get -2a alone by subtracting 21.3 from both sides.

-36.3=-2a

Divide both sides by -2.

a=18.15

In this equation, a should equal \boxed{18.15}.

5 0
3 years ago
Pleaseeee help ASAP rocky!!!
Georgia [21]

Answer:E

Step-by-step explanation:

7 0
3 years ago
I am having a bit of a hard time solving this problem, it would be a pleasure if some one were to help me!
Llana [10]
I got 42.5 cuz 4x+10=180 then take away 10 from both sides so 4x=170 and you divide each side by 4
8 0
3 years ago
Read 2 more answers
What’s the size of angle AED
vodomira [7]

Answer:

173

Step-by-step explanation:

8 0
2 years ago
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