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iren [92.7K]
3 years ago
14

GUYS AND GIRLS PLEASE HELP ASAP!!!!!!!

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
5 0

Answer: 8 1/8

Step-by-step explanation:

Doss [256]3 years ago
5 0
8 1/8



hope this helped!!❤️
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12 is 56% of what number?
Viktor [21]

Answer:

21.42857143 = n

Step-by-step explanation:

Is means equals and of means multiply

12 = 56% *n

Change the percent to a decimal

12 = .56*n

Divide by .56

12/.56 = .56n/.56

21.42857143 = n

6 0
3 years ago
Find the probability that a Type A bulb lasts at least 300 hours and a Type B bulb lasts at least 400 hours.
barxatty [35]

Answer:

P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))

Step-by-step explanation:

We require more information by I will explain in principle:

If Type A has at least 300 hours and Type B at least 400 hours.

(X>3)(Y>4)=P(X>3)P(X>4)

You need to determine the Probability density function of X and Y and then subtract 1 from both

P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))

This will give you the probability of the expression.

5 0
4 years ago
Find the angle between the following pairs of lines x^2+6xy +9y^2-4x +12y-5 =0​
wlad13 [49]

Answer:

x

2

+6xy+9y

2

+4x+12y−5=0

Step-by-step explanation:

x

2

+6xy+9y

2

+4x+12y−5=0

Comparing the equation with the general equation of second degree gives

a=1,b=9,h=3,g=2,f=6,c=−5

Angle between a pair of straight lines that is tanθ=

∣

∣

∣

∣

∣

∣

​

 

a+b

2

h

2

−ab

​

​

 

∣

∣

∣

∣

∣

∣

​

tanθ=

∣

∣

∣

∣

∣

​

 

1+9

2

9−1×9

​

​

 

∣

∣

∣

∣

∣

​

=

9

0

​

tanθ=0

⇒θ=tan

−

(0)=0

∘

Angle between the pair of straight lines is zero therefore the lines are parallel.

Hence proved

3 0
3 years ago
Given polynomials p, q, r, and s . q≠0 ,s≠0 and r≠0
kkurt [141]

Answer:

\frac{p}{q} \div \frac{r}{s} = \frac{ps}{qr}

Step-by-step explanation:

Given

\frac{p}{q} \div \frac{r}{s} =

Required

Solve

\frac{p}{q} \div \frac{r}{s} =

Turn division to multiplication

\frac{p}{q} \div \frac{r}{s} = \frac{p}{q} * \frac{s}{r}

\frac{p}{q} \div \frac{r}{s} = \frac{ps}{qr}

8 0
3 years ago
Write a function rule for each table.
Leto [7]
Its B . p=12.5*h/2=6.25h
4 0
4 years ago
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