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SCORPION-xisa [38]
3 years ago
6

At your construction job, you're standing on a ladder at ground level. First, you climb down 7 feet to see the basement. Then yo

u climb up 22 feet to see the second floor. Later, you climb down 9 feet. How high above or below the ground are you?
Mathematics
2 answers:
Semmy [17]3 years ago
7 0
It is just 6 because make a number line to -22 and to 22 then you start negative 7 then move up 22 and then go down 9 THE ANSWER IS 6
makkiz [27]3 years ago
7 0
U will be at 6 feet above ground level
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Find an integer value of b that makes x^2 + bx - 81 factorable​
m_a_m_a [10]

x² + bx - 81

there are 2 formula that fit this equation :

>> x² - a² = (x+a)(x-a)

or

>> x² + 2ax² + a² = (x+a)(x+a)

because the last value of our equation is negative value therefore we have to use the first formula >> x² - a² = (x+a)(x-a)

step:

x² + bx - 81  

x² + bx - 9²

because we have to follow the first formula x² - a² therefore bx = 0

x² + bx - 9²

bx = 0

b = 0

3 0
3 years ago
PLS HELP!!! BRAINLIEST AND 50 POINTS!!!!! CORRECT ANSWERS ONLY PLS<br><br> What is the value of x?
Vinil7 [7]

Answer:

x = 27

Step-by-step explanation:

39/26 = x /18

cross multiply

26x = (39)(18)

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8 0
3 years ago
Please solve in the next 10 minutes pleaseeee
Alex787 [66]

Answer:

43.82 mph

266.67 feet

Step-by-step explanation:

Given :

S = √30fl

S = speed of car

f = drag Coefficient

l = Length of skid mark

If f = 0.8 ; l = 80 feets

s = √30fl

s = √(30*0.8*80)

s = √1920

s = 43.817

s = 43.82 mph

B.)

s = 80 mph

f = 0.8

s = √30fl

80 = √30*0.8*l

80 = √24l

Square both sides

80² = 24l

6400 = 24l

l = 6400/24

l = 266.67 feets

6 0
2 years ago
Simplify 5x + 3y - 2x
Blababa [14]
It is 5x+y . i think so
8 0
3 years ago
What is x for -3(x+5)=-9
Andrew [12]
-3(x+5)=-9
-3x-15=-9
+15 +15
-3x=6
-1x=2
1x=-2
x=-2
3 0
3 years ago
Read 2 more answers
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