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blsea [12.9K]
2 years ago
11

Spanish class has a total of 30 students. The number of males is 12 more than the number of females. How many males and how many

females are in the
class?
Number of males:

Number of females:
Mathematics
2 answers:
docker41 [41]2 years ago
8 0

Answer:

21, 9

Step-by-step explanation:

If girls are x, then boys are x + 12

x + x + 12 = 30

2x + 12 =  30

2x = 18

x = 9

There are 9 girls and 21 boys

In-s [12.5K]2 years ago
7 0
9 girls
21 boys

this is the answer :)
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A=140° r=16 ft calculate the arc length s and area a for each of the sectors
Alisiya [41]
\bf \textit{arc's length}\\\\
s=\cfrac{\theta \pi r}{180}~~
\begin{cases}
r=radius\\
\theta =angle~in\\
\qquad degrees\\
------\\
r=16\\
\theta =140
\end{cases}\implies s=\cfrac{(140)\pi (16)}{180}
\\\\\\
\textit{area of a sector of a circle}\\\\
A=\cfrac{\theta \pi r^2}{360}~~
\begin{cases}
r=radius\\
\theta =angle~in\\
\qquad degrees\\
------\\
r=16\\
\theta =140
\end{cases}\implies A=\cfrac{(140)\pi (16)^2}{360}
4 0
3 years ago
the cost for a company to produce x television in 1 year is $150x + $250,000. how many televisions can the company produce in 1
vampirchik [111]

Answer:

Number of television company produce = 2,000

Step-by-step explanation:

Given:

Cost function = $150x + $250,000

Cost = $550,000

Find:

Number of television company produce

Computation:

$150x + $250,000 = $550,000

$150x = $300,000

x = 2,000

Number of television company produce = 2,000

5 0
2 years ago
Can somebody help me with this :) ??
rjkz [21]

Answer:

A. (5,9)

Step-by-step explanation:

First, you need to reflect across the line of reflection. Since the point is 7 units from the line y=2 from one side, it will be 7 units away when it is reflected. 2+7=9, so the reflected coordinates of the point are (-2,9). For the glide translation, you slide the point 7 units to the right, placing it at the final location of (5,9). Hope this helps!

8 0
3 years ago
Pls help ASAP first correct answer gets brainleist ​
AnnZ [28]

Answer:

4.58257569 meters (Could probably get away with rounding it to 4.6 meters)

Step-by-step explanation:

Pythag theorem

a^2 +b^2 =c^2

Insert your numbers

10^2+b^2=11^2

Simplify squares

100+b^2=121

subtract 100 from both sides

b^2=21

sqrt both sides

sqrt(b^2)=sqrt(21)

simplify sqrts to get b

b= 4.58257569

7 0
2 years ago
HELP MEEE!!!
DiKsa [7]

Answer:

Step-by-step explanation:

since the data is already arranged in ascending to descending u don't have to change.

upper quartile (Q3) = 3(n + 1)/4              (n means no of data)

=3(10 + 1)/4

=3*11/4

=33/4

=8.25

=8 th term + 0.25(9 th term - 8 th term)

=11 + 0.25(13 - 11)

=11 + 0.25*2

=11 + 0.5

=11.5

8 0
2 years ago
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