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KIM [24]
3 years ago
13

If Tommy is $47.50 and five hours for mowing grass how much will he earn for mowing grassfor seven hours

Mathematics
1 answer:
gregori [183]3 years ago
3 0

Tienes que dividirlo entre 5 y luego multiplicar entre 7 para que te dé el resultado correcto

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Four missiles are fired at a target. If the probabilities of hitting the target are 0.3, 0.4, 0.5 and 0.6 respectively and if th
aleksklad [387]
Hope this helps you :), this qn is tedious so i might make careless mistakes. Best to check with your licensed tutor or your school teacher :)

4 0
3 years ago
Can someone help with the first question on he sheet thanks
densk [106]
90 degrees for the rectangle because 360 divided by 4
Is 90 for one of them and 120 degrees for the triangle 3 divided by 360
5 0
4 years ago
Solve for z. 5z − 6 − 34 = zz − 6
valkas [14]

Answer:

z=\frac{17}{2}

Step-by-step explanation:

5z-6-34=z-6

combine like terms (-6-34)

5z-40=z-6

subtract z on both sides

5z-z-40=-6

4z-40=-6

add -40 on both sides

4z=34

divide both sides by 4

\frac{4z}{4}=\frac{34}{4}

z=\frac{17}{2}

hope this helps

7 0
3 years ago
A circle centered at the origin contains the point (0,-9). Does (8, sqr 17) also lie on the circle?
Reptile [31]

Check the picture below.

since the circle is centered at the (0,0) origin, and a point on it is at (0, -9), its radius is simple the distance between those two, or r = 9.

if the second point is also on the circle, it must also be 9 units away from the origin.

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{0}~,~\stackrel{y_1}{0})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{\sqrt{17}})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{(8-0)^2+(\sqrt{17}-0)^2}\implies d=\sqrt{8^2+(\sqrt{17})^2} \\\\\\ d=\sqrt{64+17}\implies d=\sqrt{81}\implies d=9~~\textit{\Large \checkmark}

7 0
3 years ago
A good-quality measuring tape can be off by 0.49 cm over a distance of 23 m. What is the percent uncertainty?33% Part (a) If 44
V125BC [204]

Step-by-step explanation:

First:

(Error/Total )x 100%

(0.49/23) x100%= 2.13%

Second:

(Absolute uncertainty/mean) x100%

(3/44)x100%= 6.81%

8 0
3 years ago
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