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Dahasolnce [82]
3 years ago
10

What’s x ?? Help plzzz

Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0
I believe it’s 69 if your re read it a lot it helps
AnnyKZ [126]3 years ago
5 0

Answer:

x = 69°

Step-by-step explanation:

1). JFGHI is a pentagon, every angle in a Pentagon is equal to 108°.

2). angle JIH + angle HIE = 180°; angle JIH = 108, so angle HIE = 72°.

3).  angle JDI is equal to 39° and angle IEH; so angle IEH = 39°

4). Now we know 2 out of the three angles in the triangle IHE, so we can find x!

5). x + angle HIE + angle IEH = 180°

    x + 72° + 39° = 180°

    x = 69°

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Write the equation of the line that passes through the points (-2,-1)(−2,−1) and (2,4)(2,4). Put your answer in fully reduced po
snow_tiger [21]

Answer: y= 5/4 + 3/2

Step-by-step explanation: Your equation is y=mx +b. You have to subtract the second y from the first y, and the second x from the first x to find the slope. This equation would be 4-(-1) over 2-(-2). So your slope will be 5/4. Now to find the y-intercept you can choose either (x,y) point. For example if you are using (2,4) you would do b= 4-(5/4)(2). b=3/2.

7 0
3 years ago
In a class of 80 students, 42 received a grade of
soldi70 [24.7K]

42 received an A
 so 40-42 = 38 did not

the fraction would be 38/80, divide both numbers by 2

38/80 reduces to 19/40 did not receive an A

4 0
3 years ago
the ages of two students are in the ratio of 3:5,if the older is 40yrs. How old is the younger student​
kati45 [8]

Answer:

24 years

Step-by-step explanation:

total ratio =8

older student=40 years

3/8*40 ÷ 5/8=24

5 0
3 years ago
Which of the following could be the system of nonlinear inequalities graphed below?
Ivan

Answer:

Option A.

Step-by-step explanation:

step 1

we know that

The equation of the solid line is

y=5

The solution is the shaded area above the solid line

so

The equation of the first inequality is

y\geq 5

step 2

The equation of the dashed line is

y=x^{2} -5x+6

The solution is the shaded area above the dashed line

so

The equation of the second inequality is

y>x^{2} -5x+6

therefore

The system of inequalities could be

y\geq 5

y>x^{2} -5x+6

4 0
3 years ago
What is 1/2 divided by 1/3
Artemon [7]

Answer:

\frac{3}{2}

Step-by-step explanation:

\frac{1}{2} ÷ \frac{1}{3}

The reciprocal of  \frac{1}{3} is 3, so finding the reciprocal will replace the division sign with a multiplication sign.

= \frac{1}{2} x 3

= \frac{3}{2} or 1\frac{1}{2} or 1.5

6 0
3 years ago
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