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AlekseyPX
2 years ago
5

Can I have some help I don't really understand this question.

Mathematics
1 answer:
Anastaziya [24]2 years ago
6 0

Answer:

40 square units

Step-by-step explanation:

This is a rhombus, so you multiply the two diagonals and divide by 2.

8x10÷2=40

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Erica likes to ride her horse on a 1/2 mile trail. On Monday, Erica rode her
Mumz [18]

Answer:

21/8 or 2 5/8

Step-by-step explanation:

7/2 miles is equal to 3 1/2 mile trail, or also a 3 2/4 mile trail. You then multiply 3 2/4 and 3/4 and get 2 5/8 or 21/8.

6 0
2 years ago
Suppose that the demand equation for a certain item is 1p+1x2−160=0. evaluate the elasticity at 65:
bekas [8.4K]
Price elasticity is defined as \frac{\Delta(quantity)}{\Delta(price)}.

Here, the question has omitted to define variables, so we will ASSUME
p=price
x=variable,
and we're given
p+x^2-160=0

We calculate
\delta{x}/\delta{p} by implicit differentiation with respect to p:
1+2x (dx/dp)=0
=>
E(x)=(dx/dp)=-1/(2x)

Therefore the price elasticity at x=65 is
E(65)=1/(2*65) =-1/130 (approximately -0.00769)

4 0
2 years ago
What is 7.234 rounded to the nearest 10th
erma4kov [3.2K]
The answer would be 7.2 because the #in the hundredths place is less than 5
5 0
2 years ago
Read 2 more answers
Let P be the centroid of STU, and let SW be a median of STU. If SW = 6, find SP and PW.
grin007 [14]

Answer:

The length of SP is 2

The length of PW is 4

Step-by-step explanation:

Firstly, we need an image that represents the information given

Mathematically, we have that the centroid is at a position of 2/3 along the median

This means that the centroid will divide the median into two lengths with the length of one double the length of the other

Mathematically;

SW = SP + PW

where PW is the longer length

The length of PW will be;

2/3 * 6 = 4

The length of SP will be 6-4 = 2

5 0
2 years ago
You have a bag full of 17 marbles. Of those marbles, 3 are black. What is the probability that a marble chosen is not black? A.
saul85 [17]
C.: The answer is C because the probability that the marble chosen WILL be black is choice D: 3/17. However, the question is asking what the probability is that a marble chosen is NOT black. Therefore, you do 17-3 and get 14. So, the answer is 14/17: C.
4 0
3 years ago
Read 2 more answers
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