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zhuklara [117]
3 years ago
9

The parking lot has a total of 60 cars and trucks. The ratio of cars to trucks is 7:3.

Mathematics
2 answers:
Mumz [18]3 years ago
5 0
60
7:3
7+3=10
60/10=6
6*7=42
6*3=18
42 cars
18 trucks
dangina [55]3 years ago
4 0
It is 140 because the answer was simplified 140:60÷20=7:3
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Quadrilateral ABCD is dilated by a scale factor of 1 over 3 centered around (1, 2). Which statement is true about the dilation?
Sonbull [250]

<em>Note: Since you missed to add the figure. So, after a little research I am kind of able to find the figure and hence, assuming it as a reference. Hence, I am attaching the figure and solution of that figure is also visible in the same figure.</em> Please check the attached figure (a)

Answer:

Segment B'D' will be parallel to segment BD and will be shorter than segment BD. Please see the attached figure (a) for better understanding.

Step-by-step explanation:

As we know that there are certain rules when a quadrilateral is dilated by a certain scale centered around a certain point.

So,

Let suppose P(a, b) is the point.

The dilation rule by a scale factor of 1 over 3 or (1/3) centered around (1, 2) is

P(a, b) → P(\frac{x+2}{3}, \frac{y+4}{3})

Hence,

            A(1, 2) → A'(1, 2)

            B(2, 3) → B'(4/3, 7/3)

            C(4, 2) → C'(2, 2)

             D(2, 1) → D'(4/3, 5/3)

The attached figure show that if we draw the all these points in the coordinate plan i.e. A(1, 2), B(2, 3), C(4, 2), D(2, 1) and A'(1, 2), B'(4/3, 7/3), C'(2, 2), D'(4/3, 5/3), we can determine that Segment B'D' will be parallel to segment BD and will be shorter than segment BD.

<em>Keywords: dilation, quadrilateral, segment</em>

<em> Learn more about dilation from brainly.com/question/7569824</em>

<em> #learnwithBrainly</em>

7 0
3 years ago
PLEASE HELP ME ...........Julie was looking at the architect's blueprint of her house. The scale on blueprint was 1/4 inch = 1 f
MAVERICK [17]

Answer:

On the blueprint the dimensions are <u>48 inches by 64 inches</u>.

Step-by-step explanation:

Given:

The scale on blueprint was 1/4 inch = 1 foot.

The actual dimensions of her bedroom are 12 feet by 16 feet.

Now, to find the dimensions on the blueprint.

Let the dimensions on the blueprint be x by y.

As, given the scale on blueprint:

\frac{1}{4}\ inch=1\ foot

So, \frac{1}{4}\ inch  is equivalent to 1 foot.

Thus, x is equivalent to 12 feet.

And, y is equivalent to 16 feet.

Now, solving by cross multiplication method:

\frac{\frac{1}{4}}{1} = \frac{x}{12}

\frac{4}{1} =\frac{x}{12}

<em>By cross multiplying we get:</em>

48=x

x=48\ inches.

Now, again:

\frac{\frac{1}{4}}{1} =\frac{y}{16}

\frac{4}{1} =\frac{y}{16}

<em>By cross multiplying we get:</em>

64=y

y=64\ inches.

Therefore, on the blueprint the dimensions are 48 inches by 64 inches.

6 0
3 years ago
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