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Nata [24]
2 years ago
14

A bulletin board is 3 ft high. the area is 15 sq ft. what is the perimeter?

Mathematics
1 answer:
Ipatiy [6.2K]2 years ago
5 0
First step: Find how wide the bulletin board is
     15 ft² ÷ 3 ft = 5 ft
Step the second: Use the perimeter formula P = 2l + 2w
     P = 2(5) + 2(3)
     <u>P = 16 ft</u>
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Find the value of x ​
Kay [80]

Answer:

11

Step-by-step explanation:

\left(6x+4\right)+10x=180

16x+4-4=180-4

16x=176

\frac{16x}{16}=\frac{176}{16}

x=11

6 0
2 years ago
The play director spent 190190190 hours preparing for a play. That time included attending 353535 rehearsals that took varying a
dybincka [34]

Answer:

The equation 35x+93\frac{3}{4} =190 gives average time spent on 35 rehearsals.

Step-by-step explanation:

We are supposed to find that what question does the equation 35x+93\frac{3}{4} =190 finds answer of.

We can see that 35x represents time spent on 35 rehearsals and 93\frac{3}{4} is time spent on other responsibilities related to play. The sum of these times equals to total time spent on preparing the play.

Now let us solve our equation step by step.

35x+\frac{375}{4} =190

After subtracting 93\frac{3}{4} hours from 190 hours we will get time spent on 35 rehearsals.

35x =190-\frac{375}{4}

35x =\frac{760-375}{4}

35x =\frac{385}{4}

Time spent on 35 rehearsals is 96.25 hours and we are told that each rehearsal took different amount of time. Dividing 96.25 by 35 we will get average time spent on each rehearsal.

x =\frac{96.25}{35}=2.75  

Therefore, equation 35x+93\frac{3}{4} =190 finds average time spent on 35 rehearsals.


7 0
2 years ago
Read 2 more answers
PLS HELP!!!!
lara31 [8.8K]
The answer is <span>D. –1 + 2 = 1

</span>
8 0
2 years ago
32. The price of a box of tarts is $1 cheaper than that of a loaf of bread. If 3 times the price of a
Delvig [45]

Answer: $8.60

Step-by-step explanation:

Let the price of a bread = x

Let the price of a tarts = x - 1

If 3 times the price of a loaf of bread is $29.5 more than half of the price of a box of tarts. This can be represented as:

3 × x = 1/2 × (1 - x) + 29.5

3x = 0.5 - 0.5x + 29.5

3x + 0.5x = 29.5 + 0.5

3.5x = 30

x = 30/3.5

x = 8.6

5 0
2 years ago
Need help!!!!!! I'm horrible at math!​
Nastasia [14]

Answer:

b = 6

Step-by-step explanation:

Cross multiply: 39(b) = (26)(9)

39b = 234

Divide both sides by 39

b = 6

8 0
3 years ago
Read 2 more answers
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