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scoray [572]
3 years ago
8

Please help i don’t understand

Mathematics
1 answer:
kicyunya [14]3 years ago
8 0

Answer:

find the formular for distance and use it

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1. The product of five and a number is 15
dedylja [7]

Answer:

Step-by-step explanation:

(1) 5x = 15

Dividing both sides by 5 will give us the answer:

x = 3

(2) x + 6 = 16

Subtracting both sides by 6 will give us the answer:

x = 10

(3) \frac{27}{x} = 9

First let's multiply both sides by x

27 = 9x

Now, let's divide both sides by 9 to get our answer:

x = 3

(4) 6x = 72

Dividing both sides by 6 will give us the answer:

x = 12

6 0
3 years ago
A veterinarian investigating possible causes of enteroliths in horses suspects that feeding alfalfa may be to blame. She wishes
Ghella [55]

Answer: b. (0.561, 0.794).

Step-by-step explanation:

We know that the confidence interval for population proportion (p) is given by:-

\hat{p}\pm z^*\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

, where \hat{p}= Sample proportion.

n = Sample size.

z*  = Critical z-value.

Let p = proportion of horses with enteroliths who are fed at least two flakes of alfalfa per day.

As per given ,  n = 62

\hat{p}=\dfrac{42}{62}=0.67742

z-value for 95% confidence = z*=1.96

A 95% confidence interval is given by:

0.67742\pm (1.96)\sqrt{\dfrac{0.67742(1-0.67742)}{62}}\\\\ =0.67742\pm 0.11636\\\\ =(0.67742-0.11636,0.67742+0.11636 )\\\\=(0.56106, 0.79378)\approx(0.561,0.794 )

Thus , the required 95% confidence interval is (0.561, 0.794).

Hence, the correct option is b. (0.561, 0.794)..

4 0
3 years ago
Riemann's negation created what famous form of non-Euclidean geometry?
vodomira [7]

Answer: Spherical

Step-by-step explanation:

A non -Euclidean geometry is a geometry without a flat surface, unlike the properties of things geometry’s like points, lines, and other shapes which exist in a non-flat world. Spherical geometry which is a kind of plane geometry wound round a surface of a sphere is a perfect example of a non-Euclidean geometry. Which was created by Riemann's negation.

5 0
4 years ago
Gina spins a penny 100 times and it lands head side up 38 times. Explain why Gina's experimental probability may be different fr
alekssr [168]
Theoretical probability is what u expect to happen...although it might not happen that way. The theoretical probability of spinning a coin 100 times and it landing on heads is 50%...and 50% of 100 = 50....so  would expect it to and on heads 50 times.
The experimental probability is what actually happens...the experimental probability when spinning a coin 100 times and it landing on heads 38 of those times = 38/100 = 0.38 = 38%
8 0
3 years ago
Read 2 more answers
Matthew and his brother brought 500 game cards. They decided they were going to spilt the cards up between the two of them. How
mars1129 [50]

Answer:

250

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
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