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AfilCa [17]
3 years ago
7

Which description is true about ​ pre-image ABC ​ and ​ image A′B′C′ ​ ?

Mathematics
1 answer:
PtichkaEL [24]3 years ago
6 0

Answer:

It's both, C and D -> first you move than you scale

Step-by-step explanation:

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11. There are 600 students in a school. If 20% students are girls, find the number of girls.​
kolbaska11 [484]

Answer:

120

Step-by-step explanation:

20% of 600

= 120 girls

5 0
2 years ago
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The dual bar chart shows the hair colour of boys and girls in a year group. How many students are in the year group?
notka56 [123]

Answer:

102

Step-by-step explanation:

24+12+5+17+6+19+4+15=102

5 0
3 years ago
Help me plz!
Goryan [66]

Answer:

1,451.61 cm²

Step-by-step explanation:

A = LW

A = 38.1 x 38.1 (since a checkerboard has to be square)

A = 1,451.61

8 0
3 years ago
100 POINTS!! MICROSOFT EXCEL
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Step-by-step explanation:

A new coffee shop is being built. Its location is the reflection of the arcade's coordinates across

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4 0
2 years ago
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In triangle abc, m of acb = 90, cd is perpendicular to ab , m of acd is 60. and bd is 5 cm. find ad
weeeeeb [17]

Let us draw a picture to make the things more clear.

Attached is the image.

We have been given that

\angle acd = 60 ^{\circ}

Therefore, we have

\angle dcb =90- 60= 30 ^{\circ}

Now, in triangle bcd, we have

\tan30 = \frac{5}{cd}\\
\\
\frac{1}{\sqrt 3}=\frac{5}{cd}\\
\\
cd=5\sqrt 3

Now, in triangle acb, we have

tan 60 = \frac{ad}{5\sqrt3} \\
\\
\sqrt 3=  \frac{ad}{5\sqrt3}\\
\\
ad= 5\sqrt3 \times \sqrt 3\\
\\
ad= 5\times 3\\
\\
ad=15

Thus, ad is 15 cm.


4 0
3 years ago
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