All categories

4 years ago

Help me please????????

Mathematics

1 answer:

Evgesh-ka [11]4 years ago

5 0

1) G=140º - angles on a straight line add to 180, H=140º - corresponding angles are congruent

2) set up the equation, since co-interior angles add to 180º the equation should be: x+40+3x+60

add like terms

4x+100=180

subtract 100

4x=80

divide by 4

x=20

3. the angles given are alternate angles meaning they are congruent, set up and equation: 3x-10=7x-42

add like terms

-4x=52

divide by 4

x=-13

To find angle DHG input the answer into the angles equation

7(13)-42

91-42

DHG=49º

You might be interested in

The final exam in history class consists of 100 multiple choice questions. Each have five answer choices and only one of them is

Vitek1552 [10]

Answer: 1/5 or 20%

Step-by-step explanation: Since there are 5 questions and only one is correct, 1/5 of the options are correct. If a random selection being made, there therefore is a 1/5 chance that a correct answer is selected.

6 0

4 years ago

16. Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.

il63 [147K]

Answer:

Given equation are:

$y = -\frac{1}{4}x+8$ ......[1]

$-2x+8y = 4$ .....[2]

The two lines are parallel lines then their slopes will be equal.

When two lines are perpendicular then, the slope of lines are the negative reciprocals of each other.

Now, Equation of a line is in the form of y =mx+b where m is the slope of the line.

Slope $(m_1)$ of equation of line in [1] is;

$y = -\frac{1}{4}x+8$

then;

$m_1= -\frac{1}{4}$

Slope $(m_2)$ of equation of line in [2];

$-2x+8y = 4$

Add both sides 2x we get;

-2x + 8y + 2x = 2x + 4

Simplify:

8y = 2x +4

Divide both sides by 8 we get;

$y = \frac{1}{4} x + \frac{1}{2}$

then;

$m_2 = \frac{1}{4}$

Therefore, the given two lines are neither parallel nor perpendicular.

4 0

4 years ago

Members of a soccer team raised $1428 to go to a tournament. They rented a bus for $955.50 and budgeted $31.50 per player for me

natali 33 [55]

Answer:

16 players can be brought to the tournament. The equation is written within my step-by-step explanation.

Step-by-step explanation:

Variable p = number of players

Set up an equation:

974.50 + 60.75p = 1946.50

Isolate variable p:

60.75p = 972

Divide:

p = 16

Check your work:

974.50 + 60.75(16) = 1946.50

974.50 + 972 = 1946.50

1946.50 = 1946.50

7 0

3 years ago

Aileen can read 1.5 pages for every page her friend can read. Aileen's mom was very excited and she said to Aileen: "So, if your

Ivenika [448]

No she is not because:

Friend 1(page)x20(pages)=20(pages)
Aileen 1.5(pages)x20(pages)=30

30 $\neq$ 25(aileen's moms answer.)

8 0

3 years ago

Hans pays $396 in advance on his account at the athletic club. Each time he uses the club, $5 is deducted from the account. What

alekssr [168]

<span>the answer is b. V = 396 - 5x; $341</span>

7 0

3 years ago