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ira [324]
3 years ago
11

A car can travel 476 miles on 14 gallons of gas write an equation relating the distance d to the number of gallons g how many ga

llons of gas does this car need to travel 578 miles
Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
8 0
The car gets 34 miles per gallon (476/14 = 34)
d=578
g=gallons needed
34 = miles per gallon

Solving for g......
578 = 34g
578/34= g
<span>g = 17</span>
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Calculate the perimeter of this figure.Round your answer to the nearest tenth.p=(?)ft 8,10,8.9,4
o-na [289]

Answer:

30.9

Step-by-step explanation:

8 + 10 + 8.9 + 4 = 30.9

5 0
3 years ago
The perimeter of a rectangular painting is 272 cm if the width of the painting is 61 cm, what is its length?
Semmy [17]

Answer: length = 75 cm

Step-by-step explanation:

61 x 2 = 122

272-122= 150

150 divided by 2 = 75

check: 75+61= 136

136 x 2 = 272

hope this helps!

6 0
3 years ago
Factories 4a² - 6ab​
anyanavicka [17]

Answer:

2a(2a-3b)

Step-by-step explanation:

4 and 6 have a common factor 2.

a^2 and ab have a common factor a.

So we can factor out 2a:

4a^2-6ab

2a(\frac{4a^2}{2a}-\frac{6ab}{2a})

2a(\frac{2a(2a)}{2a}-\frac{3b(2a)}{2a})

2a(2a-3b)

7 0
3 years ago
Read 2 more answers
A TUB USES 20 GALLONS. a shower uses 15 gallons. if 40 people take a bath instead of a shower, how much extra water is used?
Aloiza [94]

Answer:

<u>200 additional gallons of water are used when 40 people take a bath instead of a shower</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Amount of water used when we take a bath = 20 gallons

Amount of water used when we take a shower = 15 gallons

Number of people who wants to take a bath = 40

2.  How much extra water is used?

Extra water is used = Number of people * (Amount of water used when we take a bath - Amount of water used when we take a shower)

Replacing with the real values, we have:

Extra water is used = 40 * (20 - 15)

Extra water is used = 40 * 5 = 200 gallons

7 0
3 years ago
Read 2 more answers
There has been a trend toward less driving in the last few years, especially by young people. From 2001 to 2009 the annual vehic
rodikova [14]

Answer: 1537.

Step-by-step explanation:

Formula for sample size :-

n=(\dfrac{z_{\alpha/2}\cdot \sigma}{E})^2

Given : \sigma=2000

Margin of error : E= 100

Critical value of 95% confidence : z_{\alpha/2}=1.96

Now, the required sample size will be :-

n=(\dfrac{1.96\cdot 2000}{100})^2\\\\=1536.64\approx1537

Hence, the minimum sample size required = 1537.

3 0
4 years ago
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