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laiz [17]
3 years ago
7

Expand the following expression by using the distributive method. 3(4x + 5y)

Mathematics
1 answer:
Liula [17]3 years ago
8 0
Answer: 12x + 15y

Explanation:
1. 3 x 4x + 3 x 5y
2. 12x + 15y

This expression can not be expanded further because there are no like terms.

Hope this helps :)
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A rectangle is to be drawn with perimeter 64cm. If the length is to be 14cm more than the width, determine the are of the rectan
Vikentia [17]

P = 64 cm

2(( x + 14) + x) = 64

2x + 28 + 2x = 64

4x + 28 = 64

4x = 64 - 28

4x = 36

x = 36/4

x = 4

width = 4

lenight = 18

area = l x b

area = 18 x 4

area = 72

5 0
3 years ago
Solve by the substitution method <br><br> y=3x-12<br> 2x-3y=-13
Neporo4naja [7]
<span>y=3x-12
2x-3y=-13
substitute </span>y=3x-12 into <span>2x-3y=-13

</span><span>2x-3y=-13
</span>2x-3(3x-12)=-13
2x - 9x + 36 = -13
-7x = -49
   x = 7

y=3x-12 = y=3(7) -12 = 21 - 12 = 9

answer
solution
x = 7 and y = 9
3 0
4 years ago
Read 2 more answers
Which equation is graphed here?
Nastasia [14]
C
The graph has a y intercept of positive 2
3 0
3 years ago
Point G is rotated 90°. The coordinate of the pre-image point G was (7.5), and its image Gʻis at the coordinate (5, 7).
matrenka [14]
<h3>Answer:</h3><h3>The Direction of the rotation is counterclockwise around the origin.</h3>

Step-by-step explanation:

What was Given was that Point G is rotated 90°. The coordinate of the pre-image point G was (7, –5), and its image G’ is at the coordinate (5, 7).

What you need to find was : What is the direction of the rotation.

So coming to conclusions is we have given that Point G is rotated 90°.

The Pre-image of G = ( 7, -5).

Translated image G' = ( 5 ,7).

By the Rotation rule of 90° is : (-y, x) 90 degree rotation counterclockwise around the origin.

(y, -x) 90 degree rotation clockwise about the origin.

We can from G (7,-5) and G'( 5 ,7) it is rotation counterclockwise around the origin.

Therefore, Direction of rotation is counterclockwise around the origin.

<h3></h3>
6 0
3 years ago
The swimming pool in an exclusive subdivision has 4 inlet pipes
tensa zangetsu [6.8K]

Answer:

Solution to the question is in the photo

3 0
3 years ago
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