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Brums [2.3K]
3 years ago
6

Complete this for me

Mathematics
1 answer:
GrogVix [38]3 years ago
8 0

Answer:

Step-by-step explanation:

1 Kg of carrot = 40 p

1 1/2 Kg of carrot = 40 * \frac{3}{2}  = 20 * 3 = 60 p  = £ 0.60

1 kg of potato = 52 p

3 kg of potato = 52 *3 = 156 p =  £1.56

1 box of tea bags = 90 p

Number of boxes for  £1.80 = 1.80 ÷ 0.90  = 2 boxes

4 packs of yogurt =  £4.80

1 pack of yogurt   = 4.80 ÷ 4 =  £1.20

Total = 0.60 + 1.56 + 1.80 +4.80 =  £ 8.76

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tamaranim1 [39]

Answer:

y= -9/5x -7

y= -3x +2

y= 45/7

6 0
2 years ago
1. Use the image of the circle to identify the length of the radius, diameter, and circumference. Leave all answers in terms of
Grace [21]

Answer:

Radius =  r = 7.5

Diameter = d = 15

Circumference = C = 15π

Step-by-step explanation:

We are given the image of a circle with a straight line passing through the center of the circle and touching its edges. Such a line is known as the diameter of the circle. From the image we can see the length of the diameter of the circle is d = 15 units.

Radius is define as half of the diameter. Since the diameter is 15 units, the radius of the given circle will be half of 15 which is r = 7.5 units.

Circumference of the circle = C = 2πr

Using the value of radius(r), we can write the circumference as:

C = 2π(7.5) = 15π

5 0
3 years ago
Help please solve for the given variable<br> -8 (7k - 5) + 7(7k - 7) = 1 - 5k - k - 7
cluponka [151]
- 8(7k-5) + 7(7k-7) = 1 - 5k - k - 7
- 56k + 40 + 49k - 49 = 1 - 6k - 7
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k = 3/13

i am a mathematics teacher. if anything to ask please pm me
8 0
3 years ago
A model is made of car. The car is 5 feet long and the model is 8 inches long. What is the ratio of the length of the car to the
Serggg [28]
Hello,

pretty sure it would be 5:8 or 5 to 8

any way you want to write it is fine, it means the same thing :)

have a good day!
3 0
3 years ago
Read 2 more answers
Surface area in terms of pi?
Lunna [17]

\bf \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\ \cline{1-1} V=972\pi \end{cases}\implies 972\pi =\cfrac{4\pi r^3}{3}\implies 2916\pi =4\pi r^3 \\\\\\ \cfrac{2916}{4\pi }=r^3\implies 729=r^3\implies \sqrt[3]{729}=r\implies 9=r \\\\[-0.35em] ~\dotfill\\\\ \textit{surface area of a sphere}\\\\ SA=4\pi r^2\qquad \qquad \implies SA=4\pi (9)^2\implies \boxed{SA=324\pi }

5 0
3 years ago
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