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kipiarov [429]
3 years ago
6

I’ll mark brainliest !! Plz help

Mathematics
2 answers:
swat323 years ago
8 0

Answer:

2≤z≤5 or 2<z<5

Step-by-step explanation:

B or D I'm not sure

saveliy_v [14]3 years ago
6 0

Answer:

3rd option

Step-by-step explanation:

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2. The sum of the measures of angle X and angle Y is 90. If the measure of angle X'is 30 less than
dimulka [17.4K]

Answer:

The measure of angle x is 50 degrees

Step-by-step explanation:

we know that

x+y=90 ----> equation A

x=2y-30 ----> equation B

solve the system by substitution

substitute equation B in equation A

(2y-30)+y=90

solve for y

3y=90+30

3y=120

y=40^o

Find the measure of angle x

x=2(40)-30=50^o

therefore

The measure of angle x is 50 degrees

5 0
3 years ago
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6 0
3 years ago
F(x)=2x+3 and g(x)=x^2. find (f-g)(x)
aliina [53]

Answer:

(f - g)(x) = -x² + 2x + 3

Step-by-step explanation:

Step 1: Define

f(x) = 2x + 3

g(x) = x²

(f - g)(x) = f(x) - g(x)

Step 2: Set up expression (Substitute)

(f - g)(x) = f(x) - g(x)

(f - g)(x) = 2x + 3 - x²

Step 3: Simplify

(f - g)(x) = -x² + 2x + 3

6 0
3 years ago
Sam's Fruit Cellar earns a $0.40 profit for each apple that it sells and a $0.40 profit for each banana that it sells. Which exp
Vera_Pavlovna [14]

Answer:

Total Profit = P(a,b) = ($0.40a) + ($0.40b), where a = # of apples sold and b = # of bananas sold.

6 0
3 years ago
Read 2 more answers
Help please will mark brainliest!!
Anna11 [10]
20x20=400
pi(3.14) x 10^2(100)
100x3.14=314
400-100pi=85.8407 (then you can round if you need to)
8 0
3 years ago
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