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Schach [20]
3 years ago
5

Can y’all explain what I have to do and z help me

Mathematics
1 answer:
zysi [14]3 years ago
5 0

Answer:

Step-by-step explanation:

The answer is D. Both are negative because they're both elevations below 0. However, -7 is higher, or closer to the regular level, because -10 is simply farther down.

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I am unsure of what to do? please help on both questions!
postnew [5]

Answer:

The first one is 165,000 I think I don't know though

Step-by-step explanation:

3 0
3 years ago
Factor 25x2 - 45x - 10
AysviL [449]

Answer: 5 (8-9x)

Step-by-step explanation:

25 x 2 - 45 x -10

50 - 45 x -10

40 - 45x

8 0
3 years ago
A bowl contains 8 chips: 4 blue and 4 red. Three chips are drawn at random and without replacement from a bowl. What is the prob
PIT_PIT [208]

Answer:

the probability that 3 blue chips ( or red chips) are chosen is P(X=3) = 1/14

Step-by-step explanation:

Since the X= choosing  x blue chips, then P(X) follows an hypergeometric distribution , when sampling is done without replacement

P(X=x) = (C,x) * (N-C , n-x) /( N ,n)

where ( ) represents combinations then

N= population size = 8 chips

n = sample size = 3 chips

C = number of blue chips = 4 chips

x= number of blue chips that are chosen = 3 blue chips

replacing values

P(X=3) = (4,3) * (8-4 , 3-3) /( 8 ,3) = (4,3) * (4 , 0 ) /( 8 ,3) = 4 * 1  / [ 8!/(3!*5!) ] =

4*3!*5! /8! = 1/14

P(X=3) = 1/14

8 0
3 years ago
What is the area of the kitchen floor in this floor plan?
masha68 [24]
We know that the Area of a Rectangle is:

A = L × W

From the Floor Plan, we know that the Width of the kitchen is 5m. We also know that the Length is 7m. 

Now input what we know into our equation:

A = L ×<span> W
</span>A = 7m ×<span> 5m
</span>A = 35 m^{2}


Hope this helps! 
6 0
3 years ago
Read 2 more answers
The length of a rectangular garden is 5 meters more than its width. If the
IRINA_888 [86]

Answer:

Width of rectangular garden = 10 meter

Step-by-step explanation:

Given;

Area of rectangle garden = 150 m²

Length of rectangular garden = 5 meters more than its width

Find:

Width of rectangular garden

Computation:

Assume;

Width of rectangular garden = W

So,

Length of rectangular garden = 5 + W

Area of rectangle garden = length x width

(W)(W + 5) = 150

W² + 5W = 150

W² + 5W - 150 = 0

W² + 15W - 10W  - 150 = 0

W(W + 15) - 10(W + 15) = 0

(W + 15)(W - 10)

So,

W = -15, W = 10

Width of rectangular garden = 10 meter

8 0
3 years ago
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