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Ghella [55]
3 years ago
9

Please answer this correctly

Mathematics
2 answers:
poizon [28]3 years ago
7 0

Answer:

x=15

Step-by-step explanation:

Since, the grid only has 100 squares, and the total number of cars is 180, you have to make a proportion.

\frac{27}{180}=\frac{x}{100}

(27 of the 180 cars are minivans. x of the 100 cars are minivans.)

Now, you cross multiply. <u>180 times x</u> is 180x

<u>100 times 27</u> is 2700

Now, equal them to each other and solve for x:

180x=2700

x=15

To check your answer, plug in 15 for x:

27/180 <em>should equal to</em> 15/100...

\frac{27}{180}=.15

\frac{15}{100}=.15

...they do!

MAXImum [283]3 years ago
3 0

Answer:

Step-by-step explanation:

all you do is shade 27 squares in the grid

pls mark me brainliest

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If a car averages 21.8 miles per gallon, how many miles will it travel on 16 gallons of gas?
asambeis [7]

Answer: 348.8 miles on 16 gallons of gas

Step-by-step explanation:

Make the following proportion:

\frac{21.8 miles}{1 gallon} = \frac{x miles}{16 gallons}

Since the car consumes gas at the same rate and only the amount of gas is changed, these two fractions must be equivalent. If the rate at which the car consumes gas changes, it would be different.

Use basic algebraic skills and you should get 348.8 miles.

7 0
2 years ago
The areas of two similar triangles are 18 cm^2 and 8 cm^2. One of the sides of the first triangle is 4.5 cm. What is the length
Nataly_w [17]

Answer:

  3 cm

Step-by-step explanation:

The ratio of areas of similar figures is the square of the ratio of linear dimensions. That means the ratio of linear dimensions is the square root of the area ratio. The ratio of the smaller triangle dimensions to the larger is then ...

  k = √((8 cm^2)/(18 cm^2)) = √(4/9) = 2/3

Then the corresponding side of the smaller triangle is ...

... k · (4.5 cm) = (2/3)·(4.5 cm) = 3 cm

5 0
3 years ago
I need help with question 7 <br><br> Find IK
Papessa [141]

Answer:

A. 46

Step-by-step explanation:

because IJ is 46 also and there both the same size.

5 0
3 years ago
Hmm, I need someone to answer this. Just answer it right, if you don't know it then don't answer, It's annoying. It's probably r
Phoenix [80]

Answer:

Step-by-step explanation:

A)

f(s)=2s+25 and s(w)=25w

f(w)=2(25w)+25

f(w)=50w+25

B)

The ujits for the composite function are f=number of flowers and w=number of weeks.

C)

f(30)=50(30)+25

f(30)=1500+25

f(30)=1525

3 0
3 years ago
What value make the statement true?<br> -4x+5 &gt;17<br> x=4<br> X=-4<br> X=-2<br> X=-3
QveST [7]

Answer:

-4

Step-by-step explanation:

-4(-4) + 5 > 17

16 + 5 = 21 > 17

4 0
3 years ago
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