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Varvara68 [4.7K]
3 years ago
5

Solve the equation. 3x+7=40

Mathematics
2 answers:
Tanzania [10]3 years ago
7 0

28 is the right answer bro

Step-by-step explanation:

(3x7)= 21+7=28

liberstina [14]3 years ago
4 0

Answer:

x=11

Step-by-step explanation:

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sue has 5 ropes of 5350 mm each.If she ties them together to make one long rope and each kont takes up 15 cm,how long will the r
Vsevolod [243]

Answer:

(hopefully) 2,600

Explanation:

5350 mm = 535 cm

= 535 x 5( 5 ropes) = 2675 cm

= 15 cm × 5 ( five knots for 5 ropes) = 75cm

= 2675- 75 = 2600.

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6 0
4 years ago
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A music store is receiving a shipment of Ipads. Each box comes with 12 white, 12 black and 24 grey
Mars2501 [29]

Answer:

<u>142 Grey, 83 white, 76 black</u>

Step-by-step explanation:

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3 years ago
Can someone please help me with this question.
AveGali [126]

Answer:

(3,3)

Step-by-step explanation:

Hope this helps

6 0
3 years ago
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Each side of the Pentagon Building in Washington DC is 900 feet long. What is the perimeter ?
Vika [28.1K]
The perimeter of a Pentagon is all the length of the sides added up
A pentagon is a five sided shape
so...
900+900+900+900+900
or 900*5
That is 4500.

The perimeter of the Pentagon Building in Washington DC, whose side is 900 feet long, is 4500 feet around.

Hope this helps :)
6 0
3 years ago
while digging in the background, you find an old coin. its mass is 26.76 g qnd its volume is 3cm3. what is the coin made of?
tresset_1 [31]

Answer:

the coin is made of copper.

Step-by-step explanation:

.

4 0
3 years ago
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