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Mazyrski [523]
4 years ago
6

a group of 19 students want to see the show at the planetarium. Tickets cost $11 for each student who is a member of the planeta

rium's frequent visitor program and $13 for each student who is not a member. The total cost of the students' tickets is $209. write an equation
Mathematics
1 answer:
natima [27]4 years ago
7 0
Make a systems of equations:

11x+13y=209
x+y=19


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1.5( x + 4) -3 = 4.5 ( x - 2 )
Hitman42 [59]

Answer:

Step-by-step explanation:

1.5(x + 4) - 3 = 4.5(x - 2)

1.5x + 6 - 3 = 4.5x - 9

1.5x + 3 = 4.5x - 9

3 + 9 = 4.5x - 1.5x

12 = 3x

12/3 = x

4 = x <======

6 0
3 years ago
What are two ways to find the difference 13/50 - 4.93
PtichkaEL [24]

Answer:

Find the two ways to find the difference of : \frac{13}{50} -4.93

First way:

\frac{13}{50}

To convert this fraction  into decimal.

We have to make the denominator 100.

i.,e

\frac{13}{50} = \frac{13 \times 2}{50 \times 2}= \frac{26}{100} = 0.26

now,

0.26-4.93 = - 4.67

Second way:

Convert \frac{13}{50} to \frac{26}{100} and 4.93 to \frac{493}{100},

Now:

\frac{26}{100}-\frac{493}{100} = \frac{26-493}{100} =-\frac{467}{100} = -4.67


8 0
4 years ago
Please help me. Due tonight.
wel

Answer:

The sum of the interior angles of any triangle are equal to 180

therefore in this triangle, m<a+m<c+m<b=180

we know that 9x-26 and m<a are supplementary angles (meaning they add to 180) and therefore,

9x-26+a=180

9x+a=206

a=206-9x

(206-9x)+(2x-12)+(4x+43)=180

combine like terms

-3x+237=180

-3x=-57

x=19

if x=19 then we can substitue it in for c

4x+43=c

4(19)+43=c

c=119

Step-by-step explanation:

5 0
3 years ago
The table below shows the number of siblings for a group of students. Which histogram was made from the table?
VLD [36.1K]

Answer:

the last chart

Step-by-step explanation:

photo explains?!?

7 0
2 years ago
What does, x, in the equation 2x-8=4 equal
vova2212 [387]
The answer is 6 since 2*6 is 12 and 12-8 is 4
6 0
3 years ago
Read 2 more answers
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