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pishuonlain [190]
3 years ago
15

1.What is the value of X? show calculations and formulas

Mathematics
1 answer:
Genrish500 [490]3 years ago
5 0
The interior angles of a polygon add up to 720°.
so
x=720°-100°-133°-120°-128°-112°
x=720°-593°
x=127°
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Juan's family and Ethan's family go to a food stand.
Rasek [7]

Answer:

1 hotdog is $3.5.

1 drink is $2.

Step-by-step explanation:

18.50= 3x+4y(times 5)

25.50=5x+4y(times -3)

92.5=15x+20x

-76.5=-15x+-12y

16=-8y

2=y

18.50=3x+4(2)

10.50=3x+8

10.50=3x

3.5=x

           

3 0
2 years ago
What is 2/5 divided by 5/7 in fraction form, not decimal
PIT_PIT [208]
Ok. In order to do this set up 2/5 divided by 5/7. The way you divide with fractions is by multiplying them but flipping the second fraction into 7/5 <---this is known as the reciprocal. In other words do:

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There you go.
6 0
3 years ago
Solve each equation (x+8)(x-2)=-9
Nesterboy [21]
X=1, x=-7 would be the correct answer.
5 0
3 years ago
Read 2 more answers
Which of the following ordered pairs
ozzi

The ordered pairs  that make this equation true is (4, 10)

A linear equation is given by:

y = mx + b;

where y, x are variables, m is the slope of the line and b is the y intercept.

Given the linear equation: y = 10x - 30:

At (1, -12): y = 10(1) - 30 = -20 ≠ -12

At (8, 1): y = 10(8) - 30 = 50 ≠ 1

At (4, 10): y = 10(4) - 30 = 10

At (6, 20): y = 10(6) - 30 = 30 ≠ 20

The ordered pairs  that make this equation true is (4, 10)

Find out more at: brainly.com/question/13911928

5 0
3 years ago
4) Which pair of triangles is congruent by Angle - Angle- Side?
andrey2020 [161]

Answer:

1. Not equal

2. Equal but not connected

3. Equal

4. Equal

Step-by-step explanation: Sorry if not correct :(

3 0
2 years ago
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