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3 years ago

Free points what is 2+2

Mathematics

2 answers:

olganol [36]3 years ago

5 0

Answer:

Step-by-step explanation:

thanks so much 2+2 equals 4 because that what it equals theres bo ther way

Scrat [10]3 years ago

3 0

Answer:

its not 4 :) its 4444444444444444444444444444444444444444444444444444444444444444444444444444

Step-by-step explanation:

lol thanks

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20) The sales tax on a $25 shirt purchased at the Laker Store in Russell Springs is $1.99. What is the sales tax rate in Russell

elixir [45]

Answer:

the cost is $26

i think ths answer would be help full

4 0

2 years ago

Jake is solving x^2-6x+5=0 by completing the square his steps are shown below step 1. x^2-6x=-5 step 2. x^-6x+9=-5+9 step 3. (x-

damaskus [11]

Answer:

Jake's error in step 3

Step-by-step explanation:

we have

$x^{2} -6x+5=0$

Complete the square

step 1

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^{2} -6x=-5$

step 2

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} -6x+9=-5+9$

$x^{2} -6x+9=4$

step 3

Rewrite as perfect squares

$(x-3)^{2}=4$

Jake's error in step 3

He placed 6 instead of 3 in the left side

step 4

take square root both sides

$\sqrt{(x-3)^2} =\sqrt{4}$

step 5

$(x-3)=\pm2$

step 6

$x=3\pm2$

step 7

x=5 and x=1

7 0

3 years ago

Space Shuttle Marion is observing the launch of a space

Vera_Pavlovna [14]

Using the slope concept, it is found that the shuttle traveled 3.2 miles while Marion was watching.

<h3>What is a slope?</h3>

The slope is given by the <u>vertical change divided by the horizontal change</u>, and it's also the tangent of the angle of depression.

Initially, the angle of elevation is of 16º, with an elevation of 1 mi, hence:

$\tan{16^\circ} = \frac{1}{x_1}$

$x_1 = \frac{1}{\tan{16^\circ}}$

$x_1 = 3.5$

Then, at the end, the angle will be of 74º, with the elevation remaining constant, hence:

$\tan{74^\circ} = \frac{1}{x_2}$

$x_2 = \frac{1}{\tan{74^\circ}}$

$x_2 = 0.3$

The distance is:

$d = x_1 - x_2 = 3.5 - 0.3 = 3.2$

The shuttle traveled 3.2 miles while Marion was watching.

More can be learned about the slope concept at brainly.com/question/18090623

3 0

1 year ago

PLZ HELP ME!!!!!!!!!!!!!! 20 pOINTS

Bad White [126]

Answer:

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

x squared plus y squared equals 80. My daughter has to work out what x and y are. I have worked it out by trial and error, but k

olya-2409 [2.1K]

you Need to think of 2 square numbers that add up to make 80

answer:

64 + 16

this means that x = 8 and y = 4

because of the square roots

y = 4

and

x = 8

7 0

3 years ago