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Lelu [443]
4 years ago
15

Which is the value of this expression when x=-2 and y=-3?10x3y2​

Mathematics
1 answer:
Alla [95]4 years ago
7 0

Answer:

360

Step-by-step explanation:

You must substitute of <em>x and y.</em>

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What is the value of the expression 3y−z/y+5z when y = 6 and z = 2?
mixer [17]

\text{y}=6 \ \text{and} \ \text{z}=2\\\\\dfrac{3\text{y}-\text{z}}{\text{y}+5\text{z}}=\dfrac{3\cdot6-2}{6+5\cdot2}=\dfrac{18-2}{6+10}=\dfrac{16}{16}=\huge\boxed1

6 0
3 years ago
Find the height of the tree if it casts a 28 foot shadow and the 6 foot 3 inch man casts a 7 foot shadow. ​
neonofarm [45]

Answer:

25 ft

Step-by-step explanation:

The tree's shadow is 4 times the length of the man's shadow, so we presume the tree is 4 times the height of the man: 4 × (6 ft 3 in) = (24 ft 12 in) = 25 ft.

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3 years ago
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The equation would be L = 1d + 45
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Answer:

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