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zaharov [31]
2 years ago
9

How do I do this problem?

Mathematics
1 answer:
Aleks04 [339]2 years ago
4 0
To solve the problem, we can use the angle sum of triangle,where the addition of all triangles would be equal to 180°.

In this case, 90° is already given, hence we can use the rest angles with unknown to set up equaiton:

90° + 2x + 3x = 180°

2x + 3x = 180°- 90°

5x = 90°

x = 90°/5

x = 18°

Therefore, x= 18°.

Hope it helps!
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What is the sum of 1/3 + 5 3/4 as a mixed number in simplest form
mart [117]

6 1/12 would be the answer

Rewriting our equation with parts separated

1/3+5+3/4

Solving the fraction parts

1/3+3/4=?

Find the LCD of 1/3 and 3/4 and rewrite to solve with the equivalent fractions.

LCD = 12

4/12+9/12=13/12

Simplifying the fraction part, 13/12,

13/12=11/12

Combining the whole and fraction parts

5+1+1/12=6 1/12

3 0
3 years ago
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Artemon [7]
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3 years ago
How do you do this problem?
zhenek [66]

Answer:

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g'(x) = ∫₀ˣ e^(-t³) dt

Since e^(-t³) is always positive, ∫₀ˣ e^(-t³) dt is positive when x > 0.  So the function is increasing.

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g"(x) is always positive, so the function is always concave up.

5 0
3 years ago
Arrange from least to greatest.<br> 5/6 2/4 5/12
Jet001 [13]

Answer:

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6 0
3 years ago
Julain has 200ml of 35% hand sanatizer. Sarah has 150ml of 85% hand sanatizer. They mix the sanatizers together in an effort to
Cerrena [4.2K]

Answer:210ml, 140 ml, 60%

Step-by-step explanation:

Given

Juli has 200 ml of 35% hand sanitizer

Sarah has 150 ml of 85% hand sanitizer

The mixture has 60% con. i.e. 60 % is Alcohol and 40 % water

The final volume of the mixture =200+150=350 ml

Now, 60% of 350 ml= 350\times 0.6=210\ ml

So, pure Alcohol is 210 ml

Water in the final mixture= 350\times 0.4=140\ ml

The concentration of Alcohol is 60%

7 0
3 years ago
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