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ICE Princess25 [194]
3 years ago
12

Work out the missing numbers: a)(-4)x =320

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
7 0

Answer:

x=-80

Step-by-step explanation:

zubka84 [21]3 years ago
5 0

Answer:

x=-80

Step-by-step explanation:

a) (-4)x=320\\\\x=\frac{320}{-4} \\\\x=-80

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A kite has a height of 36 inches and a width of 30 inches. Explain how to use the area formula for a triangle to find the area o
mote1985 [20]

Height of the kite is = 36 inches.

Width of the kite is = 30 inches

One of the ways to find the area is to draw a vertical line to break the kite into two equal triangles. Mark the base as 36 inches and height as 15 inches .

Now we will use the formula area=\frac{1}{2}*base*height to find the area of each triangle. Then we will add both the areas to find the area of the kite.

Area of 1 triangle = \frac{1}{2}*36*15 = 270 square inches

Area of the 2nd triangle is also = 270 square inches

Hence, area of the kite = 270+270 = 540 square inches

8 0
3 years ago
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there are 27 red or blue marbles in the bag the number of red marbles is 5 less than three times the number of blue marbles how
maria [59]
Answer=24 blue marbles and 3 red marbles

r=red marbles
b=blue marbles
b=3(r+5)

27=b+r
substitue b for '3(r+5)'
27=3(r+5)+r
27=3r+15+r
27=4r+15
subtract 15 from both sides
12=4r
divide both sides by 4
3=r

There are 3 red marbles

27=b+r
27=b+3
subtract 3 from both sides
24=b

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8 0
3 years ago
Which graph shows data that would allow the most accurate prediction for the number of water bottles a vendor sells based on the
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It is either C or D because as temperatures rise the sells would increase.
6 0
3 years ago
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What do i divide in this equation 3(x+3)=7
Paraphin [41]

Answer:x is 1

Step-by-step explanation:

8 0
4 years ago
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In quadrilateral WXYZ, WC = 2x + 5 and CY = 3x + 2. What must x equal for quadrilateral WXYZ to be a parallelogram?
Drupady [299]
The diagonals of a parallelogram bisect each other.
Therefore WC = CY.
That is,
2x + 5 = 3x + 2
Subtract 2x from each side.
5 = 3x - 2x + 2
5 = x + 2
Subtract  from each side.
5 - 2 = x + 2 - 2
3 = x

Answer:  x = 3

4 0
3 years ago
Read 2 more answers
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