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ira [324]
3 years ago
13

Please help and show work please​

Mathematics
2 answers:
choli [55]3 years ago
8 0

Answer:

see below

Step-by-step explanation:

a. -11r ≥ 220

Divide both sides by -11 to isolate r.

r ≥ -20

b.

-8 ≤ -7 + (x/10)

Add 7 to both sides.

-1 ≤ x/10

Multiply both sides by 10 to cancel out the denominator of x.

-10 ≤ x

c. -1 - 6(5q - 2) ≥ -139

Distribute the -6 across the parentheses.

-1 - 30q + 12 ≥ -139

Combine like terms on the left side.

-30q + 11 ≥ -139

Subtract 11 from both sides.

-30q ≥ -150

Divide both sides by -30 to isolate q.

q ≥ 5

Hope this helps!

zysi [14]3 years ago
6 0
-11r>=220

divide both sides by -11
since both sides are divided, flip the sign

r<=-20
r is less than or equal to negative twenty

i’m not sure how to complete the other questions, but i hoped #1 helped :)
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In the diagram, ΔGHJ ≅ ΔSTU.
valina [46]

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Step-by-step explanation:

Given

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  • GH = 5 cm = GJ
  • m∠GHJ = 67°

=> m∠J = 67°  ( that is the property of isosceles triangle because GH  = GJ

=>  m∠G = 180° - m∠H - m∠J =  180° - 67° - 67° = 46°

  • Because ΔGHJ ≅ ΔSTU

=> GH  = GJ = ST =SU

=> ST = 5 cm

  • Because ΔGHJ ≅ ΔSTU  and GH  = GJ = ST =SU

=> TU = HJ = 3.7 cm

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