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den301095 [7]
3 years ago
14

Plz answer with explanation will give brainliest

Mathematics
1 answer:
maksim [4K]3 years ago
3 0

Answer:

B: |8| + (-7)

Step-by-step explanation:

When you are looking for the distance between two numbers, always add. The distance between 8 and -7 is 15 (|8| = 8). If, for instance, the answer was negative, which it is now, just find the absolute value of -15 which equals 15. The answer is B.

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What do you add to 3 4/7 to make 6??
Alla [95]
You'll need to add 2 3/7 to <span> 3 4/7 to make 6. 
3 + 2 = 5 4/7 + 3/7 = 7/7 =1 
5+1=6</span>
6 0
3 years ago
What is the solution of the system of equations? (_,_)
Brilliant_brown [7]

Answer:

0, 5

Step-by-step explanation:

3 0
3 years ago
FInd the volume of the square pyramid shown round to the nearest tenth if necessary 11cm 11cm 15cm
k0ka [10]
Volume = 1/3 * area of base * height

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8 0
3 years ago
Read 2 more answers
(15.34) The level of nitrogen oxides (NOX) in the exhaust of cars of a particular model varies Normally with mean 0.21 g/mi and
MrMuchimi

Answer:

a level of significance of 0.01 = 1%

Step-by-step explanation:

given

Z = 0.0001

mean μ=0.21 g/mi

variate x= 0.21 + 0.03

standard deviation σ= 0.05 g/mi.

N = sample population  20 cars

z = (x −μ )/[σ /√N  ]

Z =\frac{x −μ}{\frac{σ}{√N} }

Z = 0.03/ (0.05/√20) = 0.03/0.0111

Z = 2.63 +- 0.0001

Z=  2.6301  or 2.6299

checking the level of significance table from a statistical book gives

a level of significance of 0.01 = 1%

therefore the null hypothesis is accepted.

7 0
3 years ago
Plz help math question
Lina20 [59]

Answer:

y = -2x +20

6x - 5y = 12

Put the value of y in 2nd equation

6x - 5( -2x +20 ) = 12

6x +10x -40 = 12

16x = 12 +40

16x = 52

x = 13/4

Putting the value of x in equation 1

y = -2x +20

y = -2(13/4 ) +20

y = 27/2

Do mark me as brainly. THANKS

6 0
3 years ago
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