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3 years ago

“if there are 12 boys and 48 girls in a room, fill out all of the possible ratios of boys to girls that could be made.”

Mathematics

1 answer:

nordsb [41]3 years ago

7 0

The answer is 1 boy for every 4 girls :-)

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What is the product

cricket20 [7]

Answer:

$\left[\begin{array}{cc}6&18\\\end{array}\right]$

Step-by-step explanation:

To find the product of the matrices: $\left[\begin{array}{cc}4&2\\\end{array}\right]$ × $\left[\begin{array}{cc}-2&5\\7&-1\\\end{array}\right]$

Multiply rows of the first matrix by the columns of the second matrix.

(4 × (–2) + 2 × 7 4 × 5 + 2 × (–1))

After simplifying this, we get the product $\left[\begin{array}{cc}6&18\\\end{array}\right]$

Hence, $\left[\begin{array}{cc}4&2\\\end{array}\right]$ × $\left[\begin{array}{cc}-2&5\\7&-1\\\end{array}\right]$ = $\left[\begin{array}{cc}6&18\\\end{array}\right]$

6 0

3 years ago

a group of 169 students needs to be seated in the square formation for a yearbook photo how many students should be in each row

andriy [413]

13 students per row
13 rows total
(169\13=13)

5 0

3 years ago

Determine if events A and B are independent.

Alchen [17]

Answer:

Independent

Dependent

Step-by-step explanation:

Two events are independent of each other when you can mulitply them and get their intersect

we can can see that

9/20*7/10= 63/200 so these events are independent

For number 2

7/10*7/10≠ 21/40 so these events are dependent

4 0

3 years ago

In a boaster club,1/8 of the 128 members are men how many male member are in the club

Bingel [31]

16 male members in the club

3 0

3 years ago

Read 2 more answers

A muffin recipe, which yields 12 muffins, calls for 2/3 cup of milk for every 1 3/4 cups of flour. The same recipe calls for 1/4

djyliett [7]

Answer:

$4\dfrac{3}{8}$ cups of flour

Step-by-step explanation:

A muffin recipe, which yields 12 muffins, calls for 2/3 cup of milk for every 1 3/4 cups of flour.

Then this recipe, which yields one muffin, calls for

$\dfrac{2}{3}:12=\dfrac{2}{3}\cdot \dfrac{1}{12}=\dfrac{1}{18}$

cup of milk for every

$1\dfrac{3}{4}:12=\dfrac{7}{4}\cdot \dfrac{1}{12}=\dfrac{7}{48}$

cups of flour.

Thus,

this recipe, which yields a batch of 30 muffins, calls for

$\dfrac{1}{18}\cdot 30=\dfrac{5}{3}=1\dfrac{2}{3}$

cups of milk for every

$\dfrac{7}{48}\cdot 30=\dfrac{210}{48}=\dfrac{35}{8}=4\dfrac{3}{8}$

cups of flour.

4 0

3 years ago