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MatroZZZ [7]
2 years ago
6

Question 3

Mathematics
2 answers:
matrenka [14]2 years ago
6 0

Answer:

about 5 boxes

Step-by-step explanation:

2 *40/15 Please give brainliest

Pachacha [2.7K]2 years ago
6 0

Answer:

Four hours and 40 minutes

Step-by-step explanation:

15 per  2 hours = 40/15=2.666666666667

Two thirds of an hour is 40 minutes

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Find the area of a rectangle if the perimeter is equal to 38 in and the length is 10.
Alekssandra [29.7K]
10+10=20 = length 

20 + 18 = 38   width = 18 or 9 on each side

10 x 9 = 90

 Answer 90



6 0
3 years ago
What is the best estimate of the lateral area of a cube with edges that are 2.1 inches long?​
Dimas [21]
The best estimate of the lateral area of the cube with edges that are 2.1 inches long is 4.2
8 0
3 years ago
What is the domain and range for this graph?
Kay [80]
Domain: -∞, <span>∞
range: -5,</span><span>∞
(the commas mean through; ex.; -5,</span><span>∞..... that means negative 5 thru infinity)</span>
8 0
3 years ago
Read 2 more answers
HELLPPP <br> I need help asappp
sattari [20]

Answer:

(8,5)

Step-by-step explanation:

x=8

5*8-2y=30

40-2y=30 .      subtract 40 from both sides

-2y=-10 .           divide both sides by-2

y=5

3 0
2 years ago
Use exterior angles to show that the angle sum of quadrilateral PQRS is 360°.​
Shkiper50 [21]

Answer:

I don't really know but one triangle is 180 degrees so two added together is 360 degrees...

but ohh I remembered

a=c+d (since a+b=180 and c+d+b=180)

e=g+h (since e+f=180 and g+h+f= 180)

and the fact is that c+d+g+h+b+f=the angle sum of quadrilateral PQRS

a+e+b+f= the angle sum of quadrilateral PQRS (by substitutions)

a+e+b+f=360 (four angles are from one origin so it's 360 degrees )

8 0
3 years ago
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