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Lunna [17]
3 years ago
7

A square postage stamp has area 1240 mm^2 about how long is each side?

Mathematics
1 answer:
Shtirlitz [24]3 years ago
6 0
Sq.root of 1240 is approx 35 mm
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Eden has a part time job. She gets paid £7. 20 per hourthis week she worked for 18 1/2 hourswork out Eden's total pay for this w
Dafna1 [17]

Answer:

$133.20

Step-by-step explanation:

Since the amount of hours she worked isn't a whole number, we can first separate 18 and 1/2 and work the problem out one at a time.

1. Multiply 7.20 by 18 to get 129.60

2. Multiply 0.50 by 7.20 to get 3.60.

3. Add 129.60 and 3.60 together to get the answer, 133.20.

5 0
2 years ago
a cube with side lengths s has a volume of 64 cubic units. what is the length of the side of the cube?
Mademuasel [1]

Answer:

4 units

Step-by-step explanation:

volume of cube = 64 cubic units

\therefore \:  {s}^{3}  = 64 \\  \\  \therefore \:  {s}^{3}  =  {4}^{3}  \\  \\ \therefore \:  {s}=  {4} \: units

6 0
3 years ago
Find the area of a circle with radius, r = 76cm.<br> Give your answer rounded to 3 SF.
PSYCHO15rus [73]

Answer:

17,700.00

Step-by-step explanation:

Area of a circle = 22

------ r2

7

=22

------ 76x76 =123,750

7 ---------- =1,768.571

7

1,768.571 rounded to 3 SF=17700.00

5 0
2 years ago
What is the value of n?<br> <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2n-7%7D%7B3%7D%20%3D15" id="TexFormula1" title=" \fra
kirill [66]
\frac{2n-7}{3} = 15

2n - 7 × 1 = 15 × 3

2n - 7 = 45

2n = 45 + 7

2n = 52

n = 26

Have a nice days.........
5 0
3 years ago
Find the slope of the line between the points (4,1) and (8,9)
Liono4ka [1.6K]
Use the slope formula which is; 
slope= (y2 - y1)/ (x2 - x1)
slope= (9-1)/ (8-4)
Slope= (8)/(4)
Slope= 2
6 0
3 years ago
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