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MArishka [77]
2 years ago
9

One year ago, Joan was five times as old as her pony. In one year's time, the sum of the ages will be 22. How old is Joan now?​

Mathematics
1 answer:
iogann1982 [59]2 years ago
4 0

Answer:

22 divided 5 I would think

Step-by-step explanation:

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Alchen [17]
UhhhhhhhhhhHHHHHHHHHHHHHHHHH IDK BUT GUESS AND PUT B
5 0
3 years ago
A circular clock face is stenciled along its edge. The radius of the clock is 12 centimeters, so the stenciling covers about cen
Inessa05 [86]

Answer:

6 srry if dis is wrong sis

Step-by-step explanation:

since the radius is 12 divide that by 2 and you get 6 which is the diameter.

so im guessing the answer is 6 idk i haven't done this inna min. i hope this was helpful <3

4 0
3 years ago
Read 2 more answers
Dose someone know how to figure this out can someone pleas help its a test
riadik2000 [5.3K]

Complete question is;

The levels of mercury in two different bodies of water are rising. In one body of water the initial measure of mercury is 0.05 parts per billion (ppb) and is rising at a rate of 0.1 ppb each year. In the second body of water the initial measure is 0.12 ppb and the rate of increase is 0.06 ppb each year.

Which equation can be used to find y, the year in which both bodies of water have the same amount of mercury?

A) 0.05 – 0.1y = 0.12 – 0.06y

B) 0.05y + 0.1 = 0.12y + 0.06

C) 0.05 + 0.1y = 0.12 + 0.06y

D) 0.05y – 0.1 = 0.12y – 0.06

Answer:

Option C: 0.05 + 0.1y = 0.12 + 0.06y

Step-by-step explanation:

In the first body, the initial measure of mercury is 0.05 parts per billion (ppb) while it's rising at a rate of 0.1 ppb each year. We are told to use y for the number of years.

Thus, amount of mercury for y years in this first body is;

A1 = 0.05 + 0.1y

Now, for the second body, we are told that;the initial measure is 0.12 ppb and the rate of increase is 0.06 ppb each year.

Thus, amount of mercury for y years in this second body is;

A2 = 0.12 + 0.06y

Since we want to find the year in which both bodies of water have the same amount of mercury. Thus, it means;

A1 = A2

Thus;

0.05 + 0.1y = 0.12 + 0.06y

7 0
3 years ago
Please no link and please don't put it in fraction form or decimal just basic number
True [87]
1/3 of 42 = 14 ( Alyanna)
4/7 of 42 = 24 ( Rose )

24+14= 38
42-38= 4

There are 4 cards left to sign
5 0
2 years ago
Read 2 more answers
Enter the slope of the line through the points (5, 2) and (-3, -7). *
hichkok12 [17]

Answer:

m= 9/8

Step-by-step explanation:

(5, 2) and (-3, -7)

Slope:

m=(y2-y1)/(x2-x1)

m=(-7-2)/(-3-5)

m=(-9)/(-8)

m=9/8

5 0
3 years ago
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