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elixir [45]
3 years ago
6

(ii) 4xz? [- xyz + 3yz?]​

Mathematics
1 answer:
Goshia [24]3 years ago
3 0

Answer: -4x²z²y + 12xz²y

Step-by-step explanation:-------------

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In the diagram below, GH is parallel to DE . If GH is 3 more than EH FH=10, and DE=12 find the length of EH. Figures are not nec
steposvetlana [31]

Answer: 5

Step-by-step explanation:

Since \overline{GH} \parallel \overline{DE}, by the corresponding angles theorem, \angle FGH \cong \angle FDE, \angle FHG \cong \angle FED. This means \triangle FGH \sim \triangle FDE by AA.

As corresponding sides of similar triangles are proportional,

\frac{10}{x+3}=\frac{10+x}{12}\\(10)(12)=(10+x)(x+3)\\120=x^{2}+13x+30\\x^{2}+13x-90=0\\(x+18)(x-5)=0\\x=-18, 5
However, as distance must be positive, we consider the positive solution, x=5.

Therefore, the answer is <u>5</u>

6 0
2 years ago
The expression for the perimeter of a square with a perimeter of 5 miles is?
Aleksandr-060686 [28]

Answer:

5/4 * 4

Step-by-step explanation:

P = 5 = 4L

4L = 5

L = 5/4

4 0
3 years ago
C. Solve 1/2 x - (x+3)&lt;1/3(x-1)​
MAVERICK [17]

Answer: x = 28

Step-by-step explanation:

Let's solve your equation step by step!

3/8x + 15/2 = 18

Step 1: Subtract 15/2 from both sides.

3/8x + 15/2 - 15/2 = 18 - 15/2

3/8x = 21/2

Step 2: Multiply both sides by 8/3

(8/3) * (3/8x) = (8/3) * (21/2)

Step 3. Calculate

x = 28

7 0
3 years ago
Heeeelllppppp.................,..................
Tom [10]

Answer:

1. number of data values

2. sum of data values

Step-by-step explanation:

4 0
3 years ago
Would you rather lose the ability to cry or cry every day for 20 minutes randomly?
AlladinOne [14]

Answer:

Lose the ability to cry because i dont cry that much

Step-by-step explanation:

8 0
3 years ago
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