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Mademuasel [1]
3 years ago
14

Use the given scale factor and the side lengths of the scale drawing to determine the side lengths of the real object.

Mathematics
1 answer:
snow_tiger [21]3 years ago
4 0
B . side is a 8.5 inches long and side is 7 inches long
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Which expression is equivalent to Negative 28 x y 35 y? 7 y (Negative 4 x y 5 y) 7 x (negative 4 x 5 y) 7 x (negative 4 y 5 y) 7
GREYUIT [131]

You can use the distributive property of multiplication over addition to find the equivalent expression to the given expression.

The expression which is equivalent to the given expression is given by

Option D: 7y(-4x + 5)

<h3>What are equivalent expressions?</h3>

Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.

<h3>What is distributive property of multiplication over addition?</h3>

Suppose a, b and c are three numbers. Then we have:

a(b + c) = a \times b + a \times c

(a(b+c) means a multiplied to (b+c). The sign of multiplication is usually hidden when using symbols and both quantities which are in multiplication are written together without space)

<h3>Using the above property and the fact that 28 and 35 are multiples of 7 to get the equivalent expression</h3>

The given expression is -28xy + 35y

Since 28 = 7 times 4 and 35 = 7 times 5

Thus,

-28xy + 35y = -7 \times 4 \times x \times y + 7 \times 5 \times y = 7y(-4x + 5)

Thus,

The expression which is equivalent to the given expression is given by

Option D: 7y(-4x + 5)

Learn more about equivalent expressions here:
brainly.com/question/10628562

3 0
2 years ago
There are 390 sixth graders at Fairview Middle School. If 1/5 of the sixth graders have a pet fish and 2/3 have a pet dog, how m
denis23 [38]
I am thinking your answer is 78 students. You do 1/5 times 390. And I think the the part about the dog is just extra information.
7 0
3 years ago
Tim drove 217 miles in 3.5 hours. Emily drove 244 miles in 4 hours. Who drove faster?
Naya [18.7K]

Answer:

Tim

Step-by-step explanation:

Tim drove 62 miles per hour you get this by dividing 217 by 3.5 and then you divide Emily's. 244/4 and you get 61

8 0
2 years ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 7 to 4. If there were 4
Elena-2011 [213]

Answer:

2628

Step-by-step explanation:

7/4 = 1.75 = 175%

x is the number of no votes

4599/x = 7/4

x = 4599/(7/4)

x = 2628

5 0
2 years ago
A parllogram has a hight of 3.5 and the weith is 3.1 what is the area
scZoUnD [109]
Area of parallelogram = width x height
Area of parallelogram = 3.1 x 3.5
Area of parallelogram = 10.85 unit²
5 0
3 years ago
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