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valkas [14]
3 years ago
5

1. Fill in the blanks:

Mathematics
1 answer:
Gnesinka [82]3 years ago
8 0
  • 0
  • =
  • distributive
  • -240
  • -4
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The ratio of the number of girls to all students in the class is 4:9 can there be 20 students in that class?
zaharov [31]

Answer:

nooo.......how there can only be 20 students.....!

7 0
3 years ago
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How much wood could a woodchuck chuck if a woodchuck could chuck wood?
jeka57 [31]

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nun wood chucks cant chuck wood

Step-by-step explanation:

4 0
3 years ago
TRIANGLE ABC IS DILATED BY A SCALE FACTOR OF 0.5 WITH THE ORIGIN AS THE CENTER OF DILATION, RESULTING IN THE IMAGE TRIANGLE A'B'
const2013 [10]

Answer: The length of the line B'C" is 1 unit.

Step-by-step explanation:

Given: Triangle ABC is dilated by a scale factor of 0.5 with the origin as the center of dilation , resulting in the image Triangle A'B'C'.

If A (2,2), B= (4,3) and C=(6,3).

Distance between (a,b) and (c,d): D=\sqrt{(d-b)^2+(c-b)^2}

Then, BC =\sqrt{(3-3)^2+(6-4)^2}

\\\\=\sqrt{0+2^2}\\\\=\sqrt{4}\\\\=2\text{ units}

Length of image = scale factor x length in original figure

B'C' = 0.5 × BC

= 0.5 × 2

= 1 unit

Hence, the length of the line B'C" is 1 unit.

5 0
3 years ago
Jennifer bought 12 pens. Out of 12 pens, 7 are blue and the rest are red.
alexdok [17]

Answer:

The answer is 5:12

Step-by-step explanation:

It is 5:12 because We already know that 7 pens are blue. To find the number of red pens we must subtract 12 - 7 and get 5 as the number of red pens. Now knowing the no. of red pens and total number we can say the ratio of red pens to total no. is 5:12

8 0
3 years ago
The sum of the interior angles of a polygon is 540. what polygon is this ​
Sergeeva-Olga [200]

Answer:

pentagon has the sum of interior angles as 540

Step-by-step explanation:

i hope this will help you :)

5 0
4 years ago
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