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Burka [1]
3 years ago
7

What is the measure of ∠4? Enter your answer in the box.

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0

Answer:

∠ 4 = 59°

Step-by-step explanation:

q is a straight line, thus the 3 angles sum to 180° , that is

∠ 4 + 60° + 61° = 180°, that is

∠ 4 + 121° = 180° ( subtract 121° from both sides )

∠ 4 = 59°

charle [14.2K]3 years ago
4 0

Step-by-step explanation:

\angle 4, \:60\degree \:\&\:61\degree are straight line angles.

\therefore \angle \: 4 + 60 \degree + 60 \degree = 180\degree \\  \\  \therefore \:  \angle \: 4 = 180\degree - 121\degree \\  \\ \huge \red {\boxed {\therefore \:  \angle \: 4 = 59\degree}}

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Which system is equivalent to 3x squared - 4y squared = 25 over -6x squared -2y squared = 11
TEA [102]
So we are given the following system:
3x^2-4y^2=25\\
-6x^2-2y^2=11\\\text{Multiply the second equation by -2:}\\12x^2+4y^2=-22\\\text{Add to the first equation we get:}\\15x^2=3
\text{ therefore }x=\pm \sqrt{ \frac{1}{5} }
Using the first equation again we get:
3x^2-4y^2=25\\
3x^2=4y^2+25\\
x^2= \frac{1}{3}(4y^2+25)\\x^2= \frac{1}{3}(4 \frac{1}{5} +25)\\= \frac{43}{5}\\x=\pm \sqrt{ \frac{43}{5} }
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3 years ago
Three out of every 10 students in Mr. Chan's class bring their lunch to school. Write this ratio as a percent.
aksik [14]
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30% of students bring their lunch.
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4 years ago
Can someone show how it’s done
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3 years ago
The correct digit 7869 =. Thousand
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Read 2 more answers
Puppy weighed 3 1/2 pounds last week this week he weighs 6 1/4 pounds how much weight has he gained
sasho [114]

Answer:

11/4 or , 2 3/4                    

Step-by-step explanation:

I don't like math so I am not going to call it fun, but these problems are super easy for me, so it almost IS fun.

4/4 = 2/2 because they are both wholes.

2/4 = 1/2 because they are both halves.

Now, if we split one of the numbers down, we will get one of these.

6 1/4

6 x 4 because there are 6 wholes...= 24

then 24 plus 1 because there is still one fourth...=25

25/4

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Now, 3 x 4, 12, then 12 plus 2 equals 14/4

Now compare your numbers.

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