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kvasek [131]
3 years ago
10

8(−9 − 5x) + 4b use x = 9 and b = −9

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
7 0

Step-by-step explanation:

8(-9 - 5 × 9) + 4 × (-9)

= 8( -14 × 9) + (- 36)

= 8( -126) - 36

= -1008 - 36

= -1044

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Triangle ABC with vertices A (-1, 4), B( -4, 1), and C(-1, 1) is reflected across the y-axis and then translated 4 units to the
Anna71 [15]

Given:

Triangle ABC with vertices A (-1, 4), B( -4, 1), and C(-1, 1) is reflected across the y-axis and then translated 4 units to the left to form triangle A’B’C’.

To find:

The coordinates of the vertices of triangle A’B’C’.

Solution:

If triangle ABC reflected across y-axis, then

(x,y)\to (-x,y)

A(-1,4)\to A_1(1,4)

B(-4,1)\to B_1(4,1)

C(-1,1)\to C_1(1,1)

Coordinates of image after reflection across y-axis are A_1(1,4),B_1(4,1),C_1(1,1).

Then triangle translated 4 units to the left to form triangle A’B’C’.

(x,y)\to (x-4,y)

A_1(1,4)\to A'(-3,4)

B_1(4,1)\to B'(0,1)

C_1(1,1)\to C'(-3,1)

Therefore, the vertices of triangle A’B’C’ are A’ (-3, 4), B’ (0, 1), C’ (-3, 1).

Hence, the correct option is B.

6 0
3 years ago
The height of a clocktower is 44 meters. Max, who is standing near the clocktower, casts a 7 meter shadow and is 2 meters tall.
anyanavicka [17]

Answer:

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7 0
10 months ago
PLEASE HELP
Olegator [25]

Answer:

24

Step-by-step explanation:

4 0
2 years ago
6y - 12 = -3x. Write in standard form
bulgar [2K]
3x+6y=12
Hope this helps
5 0
3 years ago
What is the remainder when (4x3 + 2x2 − 18x + 38) ÷ (x + 3)?<br> 2<br> 12<br> 96<br> 110
Brilliant_brown [7]
°°°4°°°2°°°-18°°°°°°38
•|
-3|°°°-12°°°30°°°°°-36
------------------------------'
°°°4°° -10 12°°°°° °°2
remainder=2
6 0
3 years ago
Read 2 more answers
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