Your friend grace needs help to find the values of x,y and z in the figure below
your friend grace needs help to find the values of - 1

Answers

Answer 1
Answer:

Answers:

x = 57

y = 86

z = 37

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Work Shown:

x+123 = 180 .... since x and 123 form a straight line

x = 180-123

x = 57

y = 86 since the y and 86 angles are vertical angles

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For any triangle, the three angles always add to 180. So,

x+y+z = 180

57+86+z = 180

143+z = 180

z = 180-143

z = 37

As a check,

x+y+z = 57+86+37 = 180

which confirms the value of z


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5Type the correct answer in each box.
50°
60°
709
Х
50°
The value of xis
o, and the value of yis

Answers

Answer:

x = 60°

y = 50°

Step-by-step explanation:

✅x = 180° - (50° + 70°) (sum of interior angles of a triangle theorem)

x = 180° - 120°

x = 60°

✅Based on the exterior angle theorem, the sum of the opposite interior angles of a triangle = the exterior angle.

Therefore,

50° + 60° = x + y

Plug in the value of x

50° + 60° = 60° + y

110° = 60° + y

y = 110° - 60°

y = 50°

You have $200 in savings account. Each week for 8 weeks, you take out $18 for spending money. How much money is in your account at the end of 8 weeks

Answers

Answer:

$56

Step-by-step explanation:

Multiply to find how much he took out.

18 * 8 = 144

Subtract to find how much he has left.

200 - 144 = 56

Best of Luck!

Which system of equations has infinitely many solutions? 4 x + 2 y = 5. Negative 4 x minus 2 y = 1. Negative 10 x + y = 4. 10 x minus y = negative 4. Negative 8 x + y = 2. 8 x minus y = 0. Negative x + 2 y = 6. 7 x minus 2 y = 12.

Answers

Answer:

\left \{ {{-10x+y=4} \atop {10x-y=-4}} \right.

Step-by-step explanation:

Which system of equations has infinitely many solutions?

4 x + 2 y = 5 // -4x - 2y = 1

-10x + y = 4 // 10x - y = -4.

-8x + y = 2 // 8x-y = 0.

-x + 2 y = 6 // 7x-2y = 12.

It's important to know that a linear system of equations has infinitely many solutions when both equations represents the same line, that means one line is on top of the other one, that's why the shared infinite points.

In this case, notice that if we compare the second system, you would find that both equations are the same,

\left \{ {{-10x+y=4} \atop {10x-y=-4}} \right.

If we multiply the first equation by -1

\left \{ {{10x-y=-4} \atop {10x-y=-4}} \right.

Which means the system has infinitely many solutions, because both equations represent the same line, so the shared all possibles points.

Therefore, the right answer is the second choice.

Answer:

B

Step-by-step explanation:

Promise

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A waffle recipe uses 3 cups of mix for 4 waffles. How much mix would you need to make 12 waffles

Answers

Since we know that 3 cups make 4 waffles, and we want 12 total waffles, we know that we need to multiply the recipe by 3 in order to have enough ingredients for 12 waffles.

So we multiply 3 cups by 3 (because we need to triple the recipe) and we get:

3*3=9

So we need 9 cups of mix to make 12 waffles.

The ratio between the number of red and green marbles in a box is 3:7. How many marbles are in the box if there are 20 fewer red marbles than green marbles?PLS HELP QUICK LIKE IN 1 SECOND!!

Answers

there are 50 marbles

Answer:

50

Step-by-step explanation:

difference of ratio=7-3=4

sum of ratio=3+7=10

if difference 4 total=10

if difference 20 total=10/4×20=50

A bridge in the shape of a parabolic arch is modelled by this function (see pic).

Answers

Answer:

(C) 25,35 and 175,35