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zhenek [66]
2 years ago
15

Have you ever been swimming in a pool, and your eyes were red when you get out this means the chemicals in the pool were not adj

usted correctly more specifically the measurement of the pools pH was not quite right
Mathematics
1 answer:
kherson [118]2 years ago
8 0

I like your words, Mr. Magicman

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Two people independently each pick a number from 1 to 10. what is the probability that the two of them pick the same number?
Marysya12 [62]
1 in 10 is the probability of two people picking the same number.
7 0
3 years ago
three friends split the cost of a pizza and a salad. The pizza costs $15 and the salad costs $6. which expression can you use to
larisa [96]

The expression is (15+6) */* 3. This is because we add up all the costs to get the total, and divide the total by three because there are three friends splitting the cost.

4 0
3 years ago
the height of an equivalent triangle is 15cm and it's perimeter is 36cm find the area of the triangle​
OlgaM077 [116]

Answer:

The area is 72 cm².

Step-by-step explanation:

Since it is equivalent triangle

h = b

so,

b + b + b (since all sides are equal)= 36 cm

3b = 36 cm

or, b = 36/3

so, b = 12 cm

so

area of triangle = (1/2)×b×h

= (1/2)×12cm×12cm

= 6cm × 12cm

= 72 cm²

4 0
3 years ago
a recent survey determained that 7 out of 9 students eat school lunch at least once a week. if 54 students were surveyed how man
Setler [38]

Answer:

12 students

Step-by-step explanation:

Given

Students = 54

Required

Determine the number of students that eat lunch once a week

In Sets;

If out of 9, at least 7 eats one a week then

9 - 7 eats lunch once a week

9 - 7 = 2

<em>In other words;</em>

2 out of 9 students eat lunch once a week

Number of students in this category is then calculated as thus;

Number = \frac{2}{9} * 54

Number = \frac{2 * 54}{9}

Number = \frac{108}{9}

Number = 12

3 0
3 years ago
Given each set of points, determine if AB and CD
tester [92]

Answer:

Paralell

Step-by-step explanation:

The line from A to B has a slope of 1

the Line from C to D had a slope of 1

since the slopes are equal the lines are paralell

7 0
2 years ago
Read 2 more answers
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