URGENTTT 3+3 x 7^2 - 9 x 10

Mathematics

1 answer:

charle [14.2K]3 years ago

8 0

Answer: 60

Step-by-step explanation:

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Students in a high school woodworking class wants to conduct a survey to determine the percentage of students in the school who

Karo-lina-s [1.5K]

Answer:

a) cluster sampling

Step-by-step explanation:

In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.

In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.

4 0

4 years ago

35.5 divided by 10 to that zero post power

likoan [24]

Wouldn't it be 1? Because any number to the zero post power is 1?

8 0

3 years ago

Answer quick please!

Mashcka [7]

B because B is the answer

7 0

2 years ago

10 points please help!!!! i need this!!

ruslelena [56]

The factorization: (x-9) (x+12) (AC method)

X intercepts: (9,0), (-12,0)
Y intercepts: (0, -108)

5 0

3 years ago

The nurse needs to mix 2% solution with 10% solution to get 10 ml of the prescribed 6% solution. What amount of each solution do

xenn [34]

<em>Volumes of 2% Solution = </em><em>5 ml</em>

<em>Volumes of 10% Solution = </em><em>5 ml</em>

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<h3>Further explanation</h3>

Simultaneous Linear Equations could be solved by using several methods such as :

<em>Elimination Method</em>
<em>Substitution Method</em>
<em>Graph Method</em>

If we have two linear equations with 2 variables x and y , then we need to find the value of x and y that satisfying the two equations simultaneously.

Let us tackle the problem!

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<em>Volumes of 2% Solution = x</em>

<em>Volumes of 10% Solution = y</em>

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<em>Total Volume = 10 ml</em>

$\boxed{x + y = 10}$ → <em>Equation 1</em>