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3 years ago

∠1 and ∠2 are complementary angles. If ∠1 measures 35º, what is the measure of ∠2?

Mathematics

1 answer:

max2010maxim [7]3 years ago

6 0

Answer:

55 degrees

Step-by-step explanation:

Complementary angles are two angles that equal 90 degrees together so if one angle is 35 degrees then the other must be able to add towards that to make 90 degrees

90=35+∠2

-35 -35

55=∠2

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Find the distance between points M and N.<br>M= (3,-2)<br>N= (5,-6)

MaRussiya [10]

Answer:

Step-by-step explanation:

The formula for distance between points is $\sqrt{(x.2-x.1)^{2} +(y.2-y.1)^{2}$

So when you inserts the coordinates in this formula, it would be $\sqrt{(-2-3)^2+(-6-5)^2}$

$\sqrt{(-5)^2+(-11)^2}$

$\sqrt{25+121}$

$\sqrt{146}$

=12.08305

Usually, distance is round to whole number. So, it would be 12

4 0

3 years ago

A chemistry teacher needs to mix a 20% salt solution with a 80% salt solution to make 25 qt of a 44% salt solution. How many qua

NNADVOKAT [17]

Let there be x quarts of the 20% salt solution, and (25 - x) quarts of the 80% salt solution.
Then the total amount of salt in the 20% portion would be 0.2x, while that from the 80% portion would be (0.8)(25 - x). This would have to total up to (0.44)(25) in the final solution, so the equation is:
0.2x + 0.8(25 - x) = (0.44)(25)
-0.6x + 20 = 11
x = 15 quarts of the 20% salt solution
25 - x = 10 quarts of the 80% salt solution

5 0

3 years ago

Danny wants to sell his house. He would like to receive $136,000 after deducting the 6% commission due to the real estate agent.

Alex17521 [72]

Answer:

The selling price of the house is $144,681

Step-by-step explanation:

The computation of the selling price of the house is shown below:

Let us assume the selling price be x

So, the commission would be 0.06x

Now the danny would received

= x - 0.06x

= 0.94x

And, the amount received is $136,000

So equate this value

Like this

0.94x = $136,000

x = $\frac{\$134,000}{0.94}$

= $144,681

Hence, the selling price of the house is $144,681

5 0

3 years ago

7b<br> Evaluate when b= -1<br> b-3

tiny-mole [99]

Answer:

b-3

-1-3

-4

is the correct answer

5 0

3 years ago

If f(x) = 2x² - 6x + 8, find f(a - 2).

yan [13]

Answer: f(a-2) = 2a² - 14a + 28

Step-by-step explanation:

f(x) = 2x² - 6x + 8

you can take a-2 and substitute it for each x, which would look like this:

f(a-2) = 2(a-2)² - 6(a-2) + 8

then distribute those in ( )

f(a-2) = 2a² - 8a + 8 - 6a + 12 + 8

combine like terms

f(a-2) = 2a² - 14a + 28

7 0

2 years ago

∠1 and ∠2 are complementary angles. If ∠1 measures 35º, what is the measure of ∠2?​

∠1 and ∠2 are complementary angles. If ∠1 measures 35º, what is the measure of ∠2?