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3 years ago

Evaluate the expression 15-n when n =8

Mathematics

1 answer:

Dvinal [7]3 years ago

4 0

Answer:

Step-by-step explanation:

if : n = 2 : 15 - n = 15 - 8 = 7

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In a four year period, about 80,000 acres of coastal wetlands in the United States are lost each year. What integer represents t

klemol [59]

Answer:

-320000

Step-by-step explanation:

Given

Lost Land = 80,000 acres yearly

Duration 4 years

Required

The total change

Represent the total change with y;

y is calculated as thus;

$y = Lost\ Land * Duration$

$y = -80,000 acres * 4$

$y = -320000\ acres$

Hence, a total of 320000 acres were lost during the period

7 0

3 years ago

A number is between 16 and 21. It has prime factors of 2, and 3. What is the number?

Advocard [28]

Answer:18

Step-by-step explanation: 18=2.3.3

6 0

3 years ago

FInd the value of x. Y D W X (15x-8) X = N 226

Oksi-84 [34.3K]

Let's start with the given arc and its angle.

The angle YWX is going to be half the arc length.

YWX = 1/2 (226) = 113

Angles VWX and YWX form a linear pair (or are supplementary angles), which means that their sum is 180 degrees.

(15x - 8) + 113 = 180

15x + 105 = 180

15x = 75

x = 5

Hope this helps!

8 0

2 years ago

Charles is going to purchase a new car that has a list price of $21,450. He is planning on trading in his good-condition 2004 Do

geniusboy [140]

Answer: is C

Step-by-step explanation:

16.70% XD OWO -W- ;$

3 0

3 years ago

Read 2 more answers

Two studies were done on the same set of data, where study I was a one-sided test and study II was a two-sided test. The p-value

mixer [17]

Answer:

$0.060$

Step-by-step explanation:

In a two tailed test the probability of occurrence is the total area under the critical range of values on both the sides of the curve (negative side and positive side)

Thus, the probability values for a two tailed test as compared to a one tailed test is given by the under given relation -

$p-value = P(Z< -\frac{\alpha }{2} )+P(Z >\frac{\alpha}{2})$ \

Here $P\frac{\alpha}{2} = 0.030$

Substituting the given value in above equation, we get -

probability values for a two tailed test

= $0.030 + 0.030\\= 0.060$

4 0

3 years ago