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3 years ago

I need help on this question

Mathematics

2 answers:

Softa [21]3 years ago

6 0

Answer: y= 7

Step-by-step explanation:

Effectus [21]3 years ago

6 0

Answer:

y=21

Step-by-step explanation:

because youre dividing first by 1.5 (63/1.5) to get 42, then you divide 2 to get 31.5 (63/2), so you're gradually dividing by .5 each time

if you divide by 2.5 (63/2.5), it would be 25.2 and lastly, you divide by 3 (63/3) to get 21

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Bryanna performed an experiment in which she flipped a coin and recorded the results. She got heads up 23 times and tails up 27

AlexFokin [52]

Answer:

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Step-by-step explanation:

still 50/50, because .01 is a very small number.

7 0

3 years ago

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Xelga [282]

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Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

In a class of 32

Alika [10]

There are 28 right handed students in class

Solution:

Given that, there are 32 students in a class

The ratio of left-handed students to right- handed students is 1 : 7

Let the number of left handed students be 1x

Let the number of right handed students be 7x

To find: Number of right handed students in school

Total number of students = 32

number of left handed students + number of right handed students = 32

1x + 7x = 32

8x = 32

x = 4

number of right handed students = 7x = 7(4) = 28

There there are 28 right handed students in class

6 0

4 years ago

What is the distance between A and B? Round your answer to the nearest tenth. A coordinate plane is shown. Point A is located at

o-na [289]

$\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
A&({{ 1}}\quad ,&{{ 5}})\quad 
% (c,d)
B&({{ 4}}\quad ,&{{ 1}})
\end{array}\qquad 
% distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}
\\\\\\
AB=\sqrt{(4-1)^2+(1-5)^2}\implies AB=\sqrt{3^2+(-4)^2}
\\\\\\
AB=\sqrt{9+16}\implies AB=\sqrt{25}\implies AB=5$

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4 years ago

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timofeeve [1]

Answer:

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8 0

3 years ago