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kow [346]
3 years ago
15

It's a little blurry but please help

Mathematics
2 answers:
pishuonlain [190]3 years ago
7 0
7) 407502
8) 409928
9) Dillan and Elaine
GuDViN [60]3 years ago
5 0
7. 407,502
8. 409,923
9. Dillan and Elaine's team
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Please help!!!!! It's urgent
Evgesh-ka [11]
       2b                     2a
----------------- +  -----------------
   (b+a)^2            (b^2 - a^2)

            2b                     2a
= ----------------- +  -------------------
      (b+a)(b+a)         (b+a)(b-a)

         2b(b - a) +  2a(b + a)
= ------------------------------------
           (b+a)(b+a)(b-a)


         2b^2 - 2ab  +  2ab + 2a^2
= ---------------------------------------
           (b+a)(b+a)(b-a)

         2b^2 + 2a^2
= ------------------------
        (b+a)(b+a)(b-a)

         2(b^2 + a^2)
= ------------------------
        (b+a)^2 (b-a)

Answer:

Numerator:        2(b^2 + a^2)
Denominator:    (b+a)^2 (b-a)
7 0
3 years ago
Lindsey completed a 30 point assignment. she eared 21 points what percent did she earn?
lana66690 [7]

Answer:

Lindsey got 70% on this assignment.

Step-by-step explanation:

21 divided by 30 equals 0.7 which is 70% in percent form.

4 0
2 years ago
Read 2 more answers
Someone help what the area of Demi's poster
Airida [17]

the center square is 20 x 20 = 400

there are 4 12 x 20 areas

12*20 = 240*4 = 960

960+400 = 1360 square inches

3 0
3 years ago
Jennifer got a box of chocolates. The box is a right triangular prism shaped box. It is 7 inches long, and the triangular base m
Dafna1 [17]
The surface area would be 68 squared inches. I hope this helps!
4 0
3 years ago
8 + 6 + 12 = __ + 12 + 6
Zielflug [23.3K]

Answer:

The number 8 goes in the blank,

Step-by-step explanation:

Its basic commutative property.

Hope this helps!

3 0
3 years ago
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