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snow_lady [41]
3 years ago
12

What expression is equivalent to (-18) - 64n ?

Mathematics
1 answer:
denis23 [38]3 years ago
7 0

Answer:

D

Step-by-step explanation:

Distribute the -2 to the 9 to get -18 and then to the 32n giving you -64n

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Compare using &gt;, &lt;, or=.<br> 3 miles<br> 5,000 yards
wlad13 [49]

Answer:

>

Step-by-step explanation:

1 mile =1760 yards

so 3 mile= 1760x3=5280yard

so, 5280 yards is more than 5000 yards

7 0
2 years ago
The water height of a pool is determined by 5g2 + 3g − 2, the rate that the pool is filled, and 6g2 − 4g − 3, the rate that wate
lyudmila [28]

Answer:

h_g=-g^2+7g+1\\\\h_1=7\\\\h_2=11\\\\h_3=13\\\\h_4=13

Step-by-step explanation:

Given the rate of filling is 5g^2+3g-2 and the rate of emptying the pool is 6g^2-4g-3. The height of the pool at any time is:

h_t=R_{in}-R_{out}, h_t- \ height \ at\  time\  t\\\\h_t=(5g^2+3g-2)-(6g^2-4g-3)\\\\h_t=-g^2+7g+1

#Substitute the value of g in the height equation to find the height of the pool:

#g=1

h_t=-g^2+7g+1, \ g=1\\\\h_t=-(1)^2+7(1)+1\\\\=7

#g=2

h_t=-g^2+7g+1, \ g=1\\\\h_t=-(2)^2+7(2)+1\\\\=11

#g=3

h_t=-g^2+7g+1, \ g=1\\\\h_t=-(3)^2+7(3)+1\\\\=13

#g=4

h_t=-g^2+7g+1, \ g=1\\\\h_t=-(4)^2+7(4)+1\\\\=13

6 0
4 years ago
Assume that the probability that a baseball player will get a hit in any one at bat is 0.250. What is the probability that he wi
Yanka [14]

Answer: 0.0791

Step-by-step explanation:

Given : The probability that a baseball player will get a hit in any one at bat is 0.250.

Let x be the first hit.

According to the geometric probability , the probability that x (th) trial is the first success =P(X=x)=(1-p)^{x-1}p , where p is the probability of getting success in each trial.

As per given p= 0.250

Then, the probability that he will get his first hit on his 5th at bat will be :

P(X=x)=(1-0.25)^{5-1}(0.25)\\\\=(0.75)^4(0.25)\\\\=0.0791015625\approx0.0791

Hence, the probability that he will get his first hit on his 5th at bat is 0.0791 .

7 0
3 years ago
In a triangle ABC, with angles A, B, and C and sides AB, BC, and AC, angle B is a right (90°) angle. If the sin of angle A is 0.
rewona [7]
I hope this helps you

5 0
4 years ago
Jonah buys 1.09 of cheddar cheese , shown by the model.He also buys 1.38 pounds of mozzarella cheese. How much cheese does she b
madreJ [45]

2.47

1.09 + 1.38 = 2.47.

Hope this helps!

5 0
3 years ago
Read 2 more answers
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