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3 years ago

Evaluate 6+xwhen x=3

Mathematics

2 answers:

barxatty [35]3 years ago

5 0

Answer:

6 + x = 9

Step-by-step explanation:

If x equals 3

6 plus x (when x equals 3)

Thus, 6 plus 3

= 9

9 will be your answer

sdas [7]3 years ago

4 0

Answer:

Step-by-step explanation:

Plug in 3 for x, and the equation is 6 + 3, which is equal to 9.

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A science teacher has 4 2/3 packages of bird seed. Each package weighs 2 1/4 pounds. How many pounds of bird seed does the teach

Luba_88 [7]

Answer:

9 3/2 pounds or 10.5 pounds

Step-by-step explanation:

4 2/3 x 2 1/4 = 14/3 x 9/4 = 126/12 = 21/12 = 9 3/2 or 10.5

5 0

3 years ago

Read 2 more answers

A random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. From past information, it is kn

loris [4]

Answer:

95 percent confidence interval for μ is determined by

(60.688 , 69.312)

a) be the same

Step-by-step explanation:

Step (i):-

Given data a random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph.

The sample size is n= 121

The mean of the sample x⁻ = 65mph.

The standard deviation of the population is 22 mph

σ = 22mph

Step (ii) :-

Given The 95 percent confidence interval for μ is determined as

(61.08, 68.92)

we are to reduce the sample size to 100 (other factors remain unchanged) so

given The sample size is n= 100

The mean of the sample x⁻ = 65mph.

The standard deviation of the population is 22 mph

σ = 22mph

Step (iii):-

95 percent confidence interval for μ is determined by

$(x^{-} - 1.96\frac{S.D}{\sqrt{n} } , x^{-} + 1.96 \frac{S.D}{\sqrt{n} } )$

$(65 - 1.96\frac{22}{\sqrt{100} } , 65 + 1.96 \frac{22}{\sqrt{100} } )$

(65 - 4.312 ,65 +4.312)

(60.688 , 69.312) ≅(61 ,69)

This is similar to (61.08, 68.92) ≅(61 ,69)

Conclusion:-

it become same as (61.08, 68.92)

4 0

4 years ago

If each lap in a pool is 100 meters long, how many laps equal one mile? Round to the nearest tenth

andrew-mc [135]

Each lap in a pool = 100 meters long.
Find the total number of laps are there in one mile.
First, let’s identify the value of 1 mile in meters.
=> 1 mile = 1 609.34 meters
Now, let’s divide it by 100 to know how many laps are there:
=> 1 609.34 / 100
=> 16.0934
Round to the nearest tenths
=> 16.1
Thus, there are 16.1 laps in one mile in a pool. Every laps measures 100 meters long

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4 years ago

The 3rd and the 4th terms of an arithmetic progression are 6and30 respectively determine the common term,first term and the 10th

vodka [1.7K]

Answer:

first term= -42

common difference= 24

10th term= 174

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3 years ago

-2|5x+3|>=4 i dont have the bigger equal simbols , please help me with this question ;((

ipn [44]

Step-by-step explanation:

-2|5x + 3| >= 4

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6 0

3 years ago

Evaluate 6+xwhen x=3​

Evaluate 6+xwhen x=3