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Travka [436]
3 years ago
10

Evaluate + , if x = 10, y = -5, and z = -2.

Mathematics
2 answers:
stepladder [879]3 years ago
5 0

Answer:

post the whole thing

Step-by-step explanation:

then ill do it

vladimir2022 [97]3 years ago
3 0

Answer:

x+y+z = 21

(x+y+z)/3 = 7

The answer is 7

Step-by-step explanation:

Hope this helps .  ;)

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77julia77 [94]

Answer:

1. 10m

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Step-by-step explanation:

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7 0
3 years ago
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Hey can u please help please
atroni [7]
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Area of a right triangle = ab/2
a = long leg ; b = short leg

Given measures are:
a = 4 yd ; b = 3 yd

A = (4 yd * 3 yd)/2 = 12 yd² / 2 = 6 yd² is the value of B.

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3 years ago
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In the figure shown, ABC is a right triangle with side lengths a, b, and c, and CD is an altitude to side AB. The side lengths o
ycow [4]

Answer:

A

Step-by-step explanation:

In the figure shown, ABC is a right triangle with side lengths a, b, and c, and CD is an altitude to side AB. This altitude divides the triangle into two right triangles ADC and BDC. In these triangles,

  • \angle CBD\cong \angle ACD\cong \angle CBA
  • \angle DCB\cong \angle DAC\cong \angle BAC

So,

\triangle ABC\sim \triangle CBD\sim \triangle ACD

1. From the similarity \triangle ABC\sim \triangle CBD, you have

\dfrac{AB}{BC}=\dfrac{BC}{BD}\\ \\\dfrac{c}{a}=\dfrac{a}{s}

2. From the similarity \triangle ABC\sim \triangle ACD, you have

\dfrac{AB}{AC}=\dfrac{AC}{AD}\\ \\\dfrac{c}{b}=\dfrac{b}{r}

Hence, option A is true

5 0
3 years ago
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algol13

Answer:

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Step-by-step explanation:

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Sphinxa [80]
The answer is B because 20/4 equals 5 then 5-4 equals 1. So therefore your answer is B)1
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3 years ago
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