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trasher [3.6K]
4 years ago
7

PLEASE HELP ASAP................................

Mathematics
1 answer:
Goryan [66]4 years ago
6 0

C

It's best to subtract 4 first

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For Sophia’s graduation party, several tables of the same width will be arranged end to end to form a serving table with a total
Andrew [12]

Answer:

The length is 16.1 ft and the width is 4.7 ft

Step-by-step explanation:

Let

x -----> the total length of the tables

y -----> the width of the tables

we know that

The area is equal to

A=xy

A=75\ ft^{2}

so

75=xy -----> equation A

x=3y+2 -----> equation B

substitute equation B in equation A

75=(3y+2)y

3y^{2} +2y-75=0

Solve the quadratic equation by graphing

The solution is y=4.7\ ft

Find the value of x

x=3(4.7)+2=16.1\ ft

therefore

The length is 16.1 ft and the width is 4.7 ft

7 0
3 years ago
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Using the same algorithm:
lys-0071 [83]

Answer:

7

Step-by-step explanation:

step 1

n+2

step 2

2(n+2)\\\\=2n+4

step 4

2n+4-3\\\\=2n+1

if n=3

2(3)+1\\\\=6+1\\\\=7

output is 7

8 0
4 years ago
Which statement(s) are true?
Anika [276]

Answer:

no event can be impossible

4 0
2 years ago
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Please answer correctly !!!!!! Will mark brianliest !!!!!!!!!!!
igor_vitrenko [27]

Answer: 2

Step-by-step explanation:

8 0
3 years ago
At noon Joyce drove to the lake at 30 miles per hour. but she made the long walk back home at 4 miles per hour. How long did she
mars1129 [50]

Answer:

60 miles

Step-by-step explanation:

let d = distance to the lake

Using:  time = distance ÷ speed

Create expressions for the time it takes for each journey:

Drive:  t_1=\dfrac{d}{30}

Walk:   t_2=\dfrac{d}{4}

If total time = 17 hours

\implies t_1+t_2=17

\implies \dfrac{d}{30}+\dfrac{d}{4}=17

\implies \dfrac{17d}{60}=17

\implies 17d=1020

\implies d=\dfrac{1020}{17}

\implies d=60

Therefore she walked 60 miles

3 0
2 years ago
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