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miskamm [114]
3 years ago
8

Question 5 (3 points)

Mathematics
1 answer:
Allushta [10]3 years ago
4 0

Answer:

$160.50 is the total cost

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Find the cost of 10 pens at x pence each
Reika [66]

Answer:

D. x + 10 pence

Step-by-step explanation:

Since the pen costs 10 pence more than the ruler, we need to add 10 to x.

6 0
2 years ago
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Austin takes 1 minute and 45 seconds to run three-quarters of a circular track. His rate of motion is /
castortr0y [4]
Length of circular track is:

L = 2*r*pi

He run 3/4 of it so length is:
L' = 3*2/4*r*pi = 3/2*r*pi

To calculate speed of his movement we use formula:
v = s/t where s = L' and t = 1 minute 45 seconds = 105 seconds

v = L'/t = 3*r*pi/2*105

v = r* pi/70

If we take that r = 1
 
answer
\pi /70
6 0
3 years ago
WORTH 100 POINTS!
zzz [600]

Answer:

7miles

equations shown in work image below

work shown on the paper with more explanations because text is hard to write equations (sorry I used km but it is miles for your problem.)

:) please give a heart for thanks

and brainliest crown :)

Step-by-step explanation:

For both d=r*t

Each bikes to others house and leave at the same time so for Tony,

11 = 30*t

t= 11/30 hours

for Gerry,

11 = 25*t

t= 11/25 hours

Comparing these, with LCD,

Tony's time is 55/150

Gerry's time is 66/150

So Tony got to Gerry's house 11/150 hours quicker than Gerry got to Tony's house.

Now they turn around and head back toward each other. If they leave at the same exact time, the elapsed time for each until they met would be the same so t (for tony) = t (for gerry), but Tony got a head start.

We start the stopwatch when Gerry turns around 11/150 hours after Tony has turned around. If Gerry's time to where they meet from Tony's house t(gerry), then Tony's time from Gerry's house is t(gerry) + 11/150

5 0
3 years ago
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5.125 divided by 7.1
Olegator [25]

Answer:

0.72

Step-by-step explanation:

8 0
3 years ago
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Here are two ways of paying for delivery from an online supermarket.
Andreas93 [3]

Answer:

Option B will be cheaper.

Step-by-step explanation:

Option A:

1.99*80=159.20

Option B:

5.99*24=143.76

*you get 24 becasue there are 24 months in 2 years.

6 0
3 years ago
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