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3 years ago

9. A new classroom is 10.5 metres by 5.2 metres.

Mathematics

2 answers:

just olya [345]3 years ago

8 0

Answer:

14 students

Step-by-step explanation:

because of round to the nearest whole number.

mark me brainliest please

nignag [31]3 years ago

4 0

Answer:

Step-by-step explanation:

(10.5×5.2)÷(2×2)

=13.65

~14

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What is the equation of the line that passes through the points (–2, 2) and (0, 5)?

lana66690 [7]

Answer:

The equation of line is given by

$y=\frac{3}{2}x+5$

Step-by-step explanation:

We have been given the points (–2, 2) and (0, 5) and we have to find the equation of the line.

Let us first find the slope of the line using the formula

$m=\frac{y_2-y_1}{x_2-x_2}$

On substituting the values, we get

$m=\frac{5-2}{0+2}$

$m=\frac{3}{2}$

Now, using the point slope form, the equation of line is given by

$y-y_1=m(x-x_1)\\y-2=\frac{3}{2} (x+2)\\\\y-2=\frac{3}{2}x+3\\\\y=\frac{3}{2}x+5$

Therefore, the equation of line is given by

$y=\frac{3}{2}x+5$

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4 years ago

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What does dependent and independent variables mean

denpristay [2]

Answer:

independent is the y value or the value that changes at a steady rate no matter what, the dependent variable or x is the variable that is subject to change and is dependent on the y value to find a pattern

Step-by-step explanation:

7 0

3 years ago

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The table shows the results of a survey in which 10th-grade students were asked how many siblings (brothers and/or sisters) they

lesantik [10]

Answer:

70%

Step-by-step explanation:

Given

Number of Siblings: || 0 || 1 || 2 || 3

Number of Students: || 4 || 18 || 10 || 8

Required

Determine the probability of a student having at least one but not more than 2 siblings

First, we have to determine the total number of 10th grade students

$Total = 4 + 18 + 10 + 8$

$Total = 40$

The probability of a student having at least one but not more than 2 siblings = P(1) + P(2)

Solving for P(1)

P(1) = number of students with 1 sibling / total number of students

From the given parameters, we have that:

Number of students with 1 sibling = 18

So:

$P(1) = \frac{18}{40}$

Solving for P(2)

P(2) = number of students with 2 siblings / total number of students

From the given parameters, we have that:

Number of students with 2 siblings = 10

So:

$P(2) = \frac{10}{40}$

$P(1) + P(2) = \frac{18}{40} + \frac{10}{40}$

Take LCM

$P(1) + P(2) = \frac{18 + 10}{40}$

$P(1) + P(2) = \frac{28}{40}$

Divide numerator and denominator by 4

$P(1) + P(2) = \frac{7}{10}$

$P(1) + P(2) = 0.7$

Convert to percentage

$P(1) + P(2) = 70\%$

Hence, the required probability is 70%

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3 years ago

anna is having a party . she needs 15 invitations. the invitations come in packages of 7 . how many packages of invitations does

lorasvet [3.4K]

3 packages so there would be at least 21 invitiations

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FY varies directly as X andY is 48 when X is six which expression can be used to find x is 2

ANEK [815]

Answer:

y = 16

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 48 when x = 6, thus

k = $\frac{y}{x}$ = $\frac{48}{6}$ = 8

y = 8x ← equation of variation

When x = 2, then

y = 8 × 2 = 16

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4 years ago