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mihalych1998 [28]
3 years ago
7

Please answer, serious answers only !

Mathematics
2 answers:
nadya68 [22]3 years ago
6 0

Answer:

64

Step-by-step explanation:

hckfhfihfihxicoyc

djyliett [7]3 years ago
3 0

Answer:

Step-by-step explanation:

Those 2 angles (the one you are given and the one you want to find) are vertically opposite.

Vertically opposite angles are equal.

Therefore the answer is 64 degrees.

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Use addition properties and strategies to find the sum..1.)34+62+51+46=? 2.)27+68+43=? 3.)42+36+18=? 4.)74+35+16+45=?
erica [24]
1.
34 + 62 = 96 + 51 = 147
147 + 46 = 193

2.
27 + 68 = 95 + 43 = 138
3.
42 + 36 = 78 + 18 = 96
4.
74 + 35 = 109 + 16 = 125 + 45  =
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5 0
3 years ago
I got this far in my working out and am already stuck. have i gone wrong?
Kipish [7]

Yes, you made an algebraic error. By multiplying 18 x 4, you messed up on order of operations.

(x+9)(x+2)*4

becomes:

(x^2+11x+18)*4

= 4x^2 + 44x + 72


anyway, this is how I would do this problem:

(x+9)(x+2)(4) = 912

(x+9)(x+2) = 228

x^2 + 11x + 18 = 228

x^2 + 11x - 220 = 0

(x+21)(x-10) = 0

x = -21 or 10

The dimensions can't be negative, so we only use x = 10

The dimensions are then 10+9, 10+2, 4

or 19, 12, 4

6 0
3 years ago
Are these ratios equivalent?<br> 18 pedestrians : 9 days<br> 14 pedestrians : 7 days
dedylja [7]

Answer:

yes

Step-by-step explanation:

they both equal to 2 pedestirans: 1 day

6 0
3 years ago
Read 2 more answers
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