3 years ago

Find the value of x rounded to the nearest tenth.

Mathematics

1 answer:

iren [92.7K]3 years ago

4 0

Check the picture below.

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Evaluate the following expression. (-3)-2

harkovskaia [24]

Integers are whole numbers that are either positive or negative. Operation of signs is important when dealing with integers.
In this case, -3 and -2 are integers that are being added.
if we add -3 by -2 we get -6 because when a negative number is added to a negative number the negative sign does not change
thus, (-3)-2 = -5

3 0

4 years ago

What is the gcf of 18,54, and 72

dsp73

I think its 9 because 9 times 2 is 18 9 times 6 is 54 and 9 times 8 is 72

5 0

3 years ago

Clarence measures the diameter of each tennis ball and a bag with a standard ruler. Unfortunately he uses the ruler and correctl

ollegr [7]

Refer to the figure below.

Assume that there are n correct measurements
$x_{i} , \, i=1,2, \, ... \, n$
Because each measurement has an error of 0.2 in, the actual measurements are
$x_{i} + 2$

From the figure, the analysis indicates that the correct mean is
μ = 3 in = 3*2.54 cm = 7.62 cm
The correct standard deviation is
2.934 in = 2.934*2.54 cm = 7.45 cm

Answer:
μ = 7.62 cm
σ = 7.45 cm

7 0

3 years ago

Martin’s neighbors pay him $8 per week to walk their dog. He saves his money for 5 weeks. Martin buys a new bike helmet for $37.

elena55 [62]

Answer:

8*5=40

so 40-37=3

$3left

Step-by-step explanation:

4 0

4 years ago

Read 2 more answers

The population of a colony of beetles grows 30% each week. If the initial population is 65 beetles, how many beetles will be the

Crazy boy [7]

This is question of geometric sequence, equation of growth for this matter. The explicit formula for geometric sequence is given by:

a(n) = a(0)r^(n-1)

where;
a(n) = population after time "n"
a(0) = Initial population = 65
n = time = 5 weeks
r = common ratio = (100+30)% = 1.3

Substituting, beetles after 5 weeks will be;
a(5) = 65*1.3^(5-1) = 185.65 ≈ 186 beetles

7 0

4 years ago

Find the value of x rounded to the nearest tenth.​

Find the value of x rounded to the nearest tenth.