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Ivan
2 years ago
6

Question 3

Mathematics
1 answer:
tino4ka555 [31]2 years ago
5 0
Hey guys I’m so sorry I don’t really have an answer
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Use an addition sentence to help solve -30 -10
Leno4ka [110]
Wouldnt that that be -20
6 0
3 years ago
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5/3 X + 10/7 = 30/7<br><br> ¿como se resolveria?
julia-pushkina [17]

Answer:

12/7

Step-by-step explanation:

5/3x+10/7=30/7

5/3x=30/7-10/7

5/3x=20/7

x=(20/7)/(5/3)

x=(20/7)(3/5)

x=60/35

simplify

x=12/7

7 0
3 years ago
What is the value of x?<br> What is the measure of angle QOR?<br> What is the measure of angle ROS?
Veseljchak [2.6K]

Answer:

x = 26

angle QOR = 31

angle ROS = 59

Step-by-step explanation:

(x + 5) + (2x + 7)  = 90\\ 2x + x + 5 + 7  = 90 \\ 3x + 12  = 90 \\ 3x  = 90 - 12 \\ 3x = 78 \\ x = 78 \div 3 \\ x = 26

Sub x in

(x + 5) \\ 26 + 5 = 31

and

(2 \times 26 + 7) \\  = 52 + 7 \\  = 59

4 0
2 years ago
A plane travelled at an average speed of 528.6 km/h on a flight. How far did the plane travel in 4.75 hours? Round off your answ
KatRina [158]

Answer: 2,511 km

Step-by-step explanation:

5828.6*4.75 = 2,510.85 rounded to 2,511

5 0
2 years ago
7-4 pls help pleasssssssssssssssse
dolphi86 [110]

Answer:

for what subject?

geometry

trig

algebra

5 0
3 years ago
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