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olga2289 [7]
4 years ago
6

Solve for m.4(m - 18) = 8m=???​

Mathematics
2 answers:
sweet [91]4 years ago
8 0

4(m-18)=8 //:4

m-18=2

m=2+18

m=20

saul85 [17]4 years ago
3 0

Answer:

m = 20

Step-by-step explanation:

4(m - 18) = 8 \\ 4m - 72 = 8 \\ 4m = 72 + 8 \\ 4m = 80 \\ m =  \frac{80}{4}  \\  \\  m = 20

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Which is the best estimate of 174% of 141?<br><br> 245<br> 252<br> 263<br> 270
Svetlanka [38]

Answer:

245

Step-by-step explanation:

°174/100*141

=245

5 0
3 years ago
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In a class of 28 students, 11 have a brother and 9 have a sister. There are 2 students
Westkost [7]

Answer:

\displaystyle P(A\mid B)=\frac{2}{11}

Step-by-step explanation:

<u>Conditional Probability</u>

Is a measure of the probability of the occurrence of an event, given that another event has already occurred. If event B has occurred, then the probability that event A occurs is given by:

{\displaystyle P(A\mid B)={\frac {P(A\cap B)}{P(B)}}}

Where P(A\cap B) is the probability that both events occur and P(B) is the probability that B occurs.

Let's define events A and B for the question. There are 11 students that have a brother and 9 that have a sister. Two of those students have a brother and a sister.

We are given the fact that the selected student has a brother: this is the event that has already occurred, thus:

B = A student has a brother

A = A student has a sister

The probability that a student has a brother is:

\displaystyle P(B)=\frac{11}{28}

The probability that the student has a brother and a sister is:

\displaystyle P(A\cap B)=\frac{2}{28}

Thus, the conditional probability is:

{\displaystyle P(A\mid B)={\frac {\frac{2}{28}}{\frac{11}{28}}}}

Simplifying:

\mathbf{\displaystyle P(A\mid B)=\frac{2}{11}}

4 0
3 years ago
Does anybody get this or am I the only one confused?
Anika [276]

Answer:

Step-by-step explanation:

nah man. i dont get it either

7 0
4 years ago
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An inequality is shown below:
sammy [17]
It should be the second answer.

Reason:
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4 0
4 years ago
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Which system of equations does this graph represent?
jeyben [28]

Answer:

1

Step-by-step explanation:

First, we can find the equation of the parabola. The standard form of a parabola is ax^2 + bx + c,

where c is the y-intercept. The y-intercept on the graph is -5, and every option starts with x^2, so the equation must be x^2 - 5. This rules out options 3 and 4.

Next, we can find the equation of the line. The options are all given in slope-intercept form: y = mx + b, where b is the y-intercept. The y-intercept on the graph is 1, and option 1 has 1 in the place of b. Therefore, option 1 is the answer.

7 0
3 years ago
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