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Alexxx [7]
2 years ago
12

) Write an expression that is equivalent to 3(7 + x).

Mathematics
2 answers:
makvit [3.9K]2 years ago
7 0

3( 7 + x ) = 21 + 3x

..................................

Mamont248 [21]2 years ago
4 0

same question how many times...?

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Answer the questions below.
DedPeter [7]

Answer:

63 m

Step-by-step explanation:

Perimeter is 276, 2L + 2W = 276, so L + W = 138

L = 75

138 - 75 = W

63 m

3 0
2 years ago
Solve the equation.<br> 4/7 = 10/x
ruslelena [56]
2x=35
x=17,5
That the answer
8 0
3 years ago
During a class activity Raymond drew the layout of his bedroom on graph paper. He made all objects proportional. His teacher sai
prisoha [69]

Answer:

I believe the answer is - they are the same shape but different sizes

7 0
3 years ago
Suppose that, in 1995, Germany produced 4.719 million computers. The total world production that year totaled 80 million compute
Reptile [31]

Answer:

To the nearest tenth

Percentage= 5.9%

Step-by-step explanation:

In 1995, Germany produced 4.719 million computers.

In that same year, the total computer production of the whole world was 80 million.

The percentage of the world production contributed by Germany

=Number produced by Germany/Number produced by the whole world * 100

The percentage of the world production contributed by Germany

=( 4.719/80)*100

The percentage of the world production contributed by Germany

=5.89875%

To the nearest tenth

= 5.9%

3 0
3 years ago
The height of a trapezium of area 162 cm^2 is 6cm. if one of the base is 23 cm. find the other
Luden [163]

Answer:

31 cm

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = \frac{1}{2} h (a + b)

where h is the height and a, b the bases

Here A = 162, h = 6 and a = 23 , then

\frac{1}{2} × 6 (23 + b) = 162

3(23 + b) = 162 ( divide both sides by 3 )

23 + b = 54 ( subtract 23 from both sides )

b = 31

The other base is 31 cm

6 0
2 years ago
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