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scoray [572]
3 years ago
15

Round 1,208.7438 to the nearest hundredth.

Mathematics
1 answer:
OLga [1]3 years ago
4 0

Answer:

the answer is 1,208.74

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A high school coach wants to buy new athletic shorts for the 15 members of the basketball team. The coach must spend less than $
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If $200 is the maximum a coach can spend on new shorts, and needs at least 15 shorts, then you could divide or use an inequality. first take the maximum number (200) and the minimum amount (15s) and use the minimum and maximum signs of knowledge to form an inequality. you should end up with 15s<200.
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Open Brains data. SETUP: Some people believe that first born subjects have different intelligent (different IQ test). Given the
melamori03 [73]

Answer:

the test I will perform is d. ​​Two-sided t-test

Step-by-step explanation:

When we are to compare between different data, critical regions occur on both sides of the  mean of a normal distribution,they are as a result of two-tailed or two-sided tests.

In such tests, consideration has to be given to values  on both sides of the mean.

for this question, it is expected to compare weather it is true that first born have different intelligent or not, weather to accept a null hypothesis or reject.

For example, if it is  required to show that the percentage of metal, p, in a

particular alloy is x%, then a two-tailed test is used,  since the null hypothesis is incorrect if the percentage  of metal is either less than x or more than x.  

8 0
3 years ago
Solve in radians help plz
PIT_PIT [208]
I think we can use the identity  sin x/2  = sqrt [(1 - cos x) /2]

cos x -  sqrt3 sqrt ( 1 - cos x) /sqrt2 = 1

cos x - sqrt(3/2) sqrt(1 - cos x) = 1
sqrt(3/2)(sqrt(1 - cos x) =  cos x - 1   Squaring both sides:-
1.5 ( 1 - cos x) = cos^2 x - 2 cos x + 1

cos^2 x - 0.5 cos x - 0.5 = 0 

cos x = 1 , -0.5

giving x = 0 , 2pi, 2pi/3,  4pi/3  ( for  0  =< x <= 2pi)

because of thw square roots some of these solutions may be extraneous so we should plug these into the original equations to see if they fit.

The last 2 results dont fit so the answer is  x = 0 , 2pi Answer
5 0
3 years ago
wind resistance varies jointly as an objects surface area and velocity. if an object traveling at 55 miles per hour with a surfa
nikdorinn [45]

Answer:

25 miles per hour

Step-by-step explanation:

Given

W = Wind\ resistance

A = Surface\ Area

V = Velocity

The joint variation can be represented as:

W\ \alpha\ A*V

Where:

V = 55; A = 20; W = 220

Required

Find V,  when: A = 55; W = 275

We have:

W\ \alpha\ A*V

Express as an equation

W= k *A*V

Where k is the constant of variation

Make k the subject

k = \frac{W}{A*V}

When: V = 55; A = 20; W = 220

We have:

k = \frac{220}{20 *55 }

k = \frac{220}{1100}

k = 0.2

When: A = 55; W = 275

We have:

k = \frac{W}{A*V}

Substitute: A = 55; W = 275 and k = 0.2

0.2 = \frac{275}{55 * V}

Make V the subject

V= \frac{275}{55 * 0.2}

V= \frac{275}{11}

V= 25

3 0
3 years ago
A set of cards with a letter on each card as shown below are placed into a bag. Howard picks a card at random from the bag.
Nana76 [90]

Answer:

your chances would be 9 out 10 or in fraction form 9/10

4 0
3 years ago
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