Mathematics High School

In the isosceles triangle ABC
AB=AC
angle B = (3x 32)º
angle C =(87-2x)"
Work out the value
of x.

Answers

Answer 1

Answer:

x = 4.5

Step-by-step explanation:

Angle B = angle C because it is an isosceles triangle.

3x32 = 87-2x

96 = 87-2x

reduce:

9 = 2x

x = 4.5

Answer 2

An isosceles triangle is one with two equal-length sides. The value of x is 11.

What is an isosceles triangle?

An isosceles triangle is one with two equal-length sides. It is sometimes stated as having exactly two equal-length sides, and sometimes as having at least two equal-length sides, with the latter form containing the equilateral triangle as a particular case.

Since in an isosceles triangle, the angle made by the equal sides and the base are equal, therefore, we can write,

∠B = ∠C

3x + 32 = 87 - 2x

3x + 2x = 87 - 32

5x = 55

x = 11

Hence, the value of x is 11.

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Related Questions

Select the inequality that match the situation:
A school fundraiser has a minimum target of $500. Faculty have donated $100 and there
are 12 student clubs that are participating with different activities. How much money
should each club raise to meet the fundraising goal?
12x - 100 > 500
12x +100 > 500
12x- 100 > 500
12x + 100 > 500
12x - 100 < 500
12x + 100 < 500

Answers

Answer:

Each student club must contribute $ 33.33 in order to meet the fundraising goal.

Step-by-step explanation:

Given that a school fundraiser has a minimum target of $ 500. Faculty have donated $ 100 and there are 12 student clubs that are participating with different activities, to determine how much money should each club raise to meet the fundraising goal, the following calculation must be performed:

(500 - 100) / 12 = X

400/12 = X

33,333 = X

Thus, each student club must contribute $ 33.33 in order to meet the fundraising goal.

I need help what is 1/4 ^ 4

Answers

It is 1/256 because you distribute the power of 4 to the numerator and denominator

given point A (3,-4) and point B (8,6) on directed line segment AB

Answers

Answer:

-1

Step-by-step explanation:

bfnbhsvkisbvjdkbv jv ksnhvsdf vkdbsnjbv k

Answers

Answer:

41

Step-by-step explanation:

47-6=41

Find the difference - 3.5 - 1.9

Answers

The answer is -5.4...

Answer:

1.6

Step-by-step explanation:

X=
(-6x+125) (11x + 6)

Answers

9514 1404 393

Answer:

  x = 7

Step-by-step explanation:

The base angles of an isosceles triangle are congruent, so ...

  11x +6 = -6x +125

  17x = 119 . . . . . . . . . add 6x-6 to both sides

  x = 7 . . . . . . . . divide by 17

(Geometry): find x.

Answers

20x + 1 = 720

20x = 719

x = 35.95

Your answer: 35.95

Proof:

(5(35.95))+(35.95-10)+(3(35.95)+5)+(2(35.95)-2)+(5(35.95)+6)+(4(35.95)+2) = 720

There are 12 inches per foot. How many feet is 96 inches? Enter only the number.

Answers

8, the answer needs to be more than a certain amount of characters.
8 feet is the correct answer!But just enter 8 when you put in the answer. Otherwise, you'll get it wrong.96 ÷ 12 = 8Please let me know if I am wrong.

If the Quadratic functions for the equations are graphed, which is the widest?
A. y = x^2
B. y = 2x^2
C. y = 6x^2
D. y = 1/4x^2

Answers

y = ax^2

If the absolute value of a is <1 the graph is wider than when a = 1

If the absolute value of a is >1 the graph is narrow than when a = 1

The only function that fits that description is  

y = 2x^2

If you were to rotate ABCD 180degrees about the origin, what would the coordinate of A' be?

Answers

Answer:

5,5

Step-by-step explanation:

it would be (-3 ,-5) because the rule for rotating 180 degrees is (x,y)>(-x.-y)

PLEASE HELP PLEASE PLEASE

Answers

Answer:

Step-by-step explanation:

x > -7

Open circle means the solution does not include -7 and it is more than -7

SOS PLEASE HELP write the equation for this line​

Answers

Answer:

y = - x + 3

or

x + y = 3

Step-by-step explanation:

Line is passing through the points (3, 0) & (0, 3)

y-intercept (b) = 3

Slope of the line (m) = (3 - 0)/(0 - 3) = 3/(-3) = - 1

Now, required equation of line is given as:

y = mx + b

y = - 1*x + 3

y = - x + 3

or

x + y = 3


HELPPPP PLSPLSPLSPSLSLLSLSLSLSLLSLSLSLLS

Answers

For the first box, you would multiply.

For the second box, you would multiply both sides by 3/2.

For the third box, the answer is 18.

[tex]\frac{2}{3}x=12[/tex]

[tex](\frac{3}{2} )*\frac{2}{3}x=12*(\frac{3}{2})[/tex]

[tex]x = 18[/tex]

If you have any further questions, please reach out to me :)

Answer:

multiply both sides by 3/2. The correct answer is 18

Step-by-step explanation:

Jane drew a point that was 2 units to the right of the y-axis and 5 units above the x-axis. What is the ordered pair for this location?
The ordered pair for this location is (_,_ ).

Answers

Answer:

(-2,5)

Step-by-step explanation:

because 2 units to left of the y axis makes it a negative and it makes it on the z axis so you get negative 2 then 5 units above the x axis gets just 5 so that's how you get (-2,5)

Tehara has read 115 pages of a 305-page book. She reads 10 pages each day. How many days will it take to finish?

10
+
115
p
=
305
10 + 115 p = 305

10
p
+
305
=
115
10 p + 305 = 115

115
+
10
p
=
305
115 + 10 p = 305

115
⋅
10
p
=
305
115 · 10 p = 305













Tehara has read 115 pages of a 305-page book. She reads 10 pages each day. How many days will it take to finish?

10
+
115
p
=
305
10 + 115 p = 305

10
p
+
305
=
115
10 p + 305 = 115

115
+
10
p
=
305
115 + 10 p = 305

115
⋅
10
p
=
305
115 · 10 p = 305











Tehara has read 115 pages of a 305-page book. She reads 10 pages each day. How many days will it take to finish?

Answers

Answer: 19 days

Step-by-step explanation:

Answer:

115 + 10x = 305

x = 19

It will take her 19 days to finish.

HELP ME WITH THIS PLS!!!!!!

Answers

Answer:

Step-by-step explanation:

[tex]x^{2} x^{2} \sqrt{x} \neq \lim_{n \to \infty} a_n \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right][/tex]

What is the circumference of a circle?

Your answer:

The width of a circle


The distance around a circle


The space inside of a circle

Answers

Answer:

2

Step-by-step explanation:

the distance around a circle

is this a function?

Answers

Answer:

NO

Step-by-step explanation:

No, because it does not pass the vertical line test.

What is the percent of change from 60 to 84?
40% increase

Answers

Answer:

you are correct

Step-by-step explanation:

through: (-3,-4) and (0,4)

Answers

Answer:

The slope = 8/3

Step-by-step explanation:

Let's find the slope between your two points.

(−3,−4);(0,4)

(x1,y1) = (−3,−4)

(x2,y2) = (0,4)

Use the slope formula:

m= y2−y1 / x2−x1

= 4 − −4 / 0 − −3

= 8/3

Answer:

m = 8/3

Graph:

hope this helps and is right :)

Isabella is travelling in Brazil during the summer, She knows that a 15-minute phone call home to her family costs $45.85 and a 20-minute phone call costs $58.30 sabella only has $55.81 to spend on her phone call. How long can she talk to her family?​

Answers

19 minutes
If you divide 45.85 by 20 you will get 3 same for 58.39 and 20

A line y intercept is 2 and it's slope is 2 what is its equation in slope intercept form

Answers

Answer:

y = 2x+2

Step-by-step explanation:

y = mx+b

    m = slope = 2

    b = y-intercept = 2

rite an equation of the line with the given​ slope, m, and​ y-intercept (0,3).
The equation is_______

m=0, b=-5



​(Simplify your answer. Type your answer in​ slope-intercept form. Use integers or fractions for any numbers in the​ equation.)

Answers

since y=mx+b i think the equation will be
3=x-5

Microscope slide shows 37 red blood cells out of 60 blood cells how many red blood cells would be expected in a sample of the same blood that has 925 blood cells?

Answers

Answer:

Hope that answers your question

The radius of a cylindrical water tank is 4 ft, and its height is 6 ft, what is the volume of the tank?

Answers

Answer:

96π cu ft.

Step-by-step explanation:

V = Bh      B = area of the base     h = height

The base is a circle, so [tex]B = \pi r^{2} = \pi 4^{2} = 16\pi[/tex]

V = 16π(6) = 96π cu ft.

The volume of the cylinder is 301. 6 cu. ft.

What is the volume of the cylinder?

[tex]V=\pi \times r^2\times h[/tex]

where r is the radius of the cylinder and h is the height of the cylinder

For given question,

The radius of a cylindrical water tank is 4 ft, and its height is 6 ft,

[tex]\Rightarrow r=4~ft,~h=6~ft[/tex]

We need to find the volume of the cylinder.

Using the formula of the volume of the cylinder,

[tex]\Rightarrow V=\pi \times r^2\times h\\\\\Rightarrow V=\pi \times 4^2\times 6\\\\\Rightarrow V=\pi \times 16 \times 6\\\\\Rightarrow V =301.6~~cu.ft.[/tex]

Therefore, the volume of the cylinder is 301. 6 cu. ft.

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how many hundreds are in 200+10+6

Answers

Answer:

2

Step-by-step explanation:

Answer:

2.16

Step-by-step explanation:

What is the equation in slope-intercept form of the line that passes through the points ( 2, 5) and (6, 8)?

y = 0.75x + 3

y = 0.75x + 3.5

y = 4x + 10

y = 4x - 36

Answers

Answer:

Step-by-step explanation:

A person on a moving sidewalk travels 72 feet in 9 seconds. The moving sidewalk has a length of 240 feet. How long will it take to move from one end to the other?

Answers

Answer:

30 seconds

Step-by-step explanation:

Speed of person :

72 feets in 9 seconds

Distance = 72 feets ; time = 9 seconds

Speed = distance / time

Speed = 72 / 9 = 8 ft/s

Length of sidewalk = 240 feets

Time it takes to move from one end to the other :

Time = distance / speed

Time = 240 feets / 8 feets /sec

Time taken = 30 seconds

help pls! ill mark best answer brainliest

Answers

I am working on this subject too. I'm gonna get a calculator and help you. The answer is actually 14

Can someone check my answers and if their wrong explain how to get the correct answer

Answers

Answer: 1. Correct, 2. Incorrect 90° angle not 80° angle answer is 50, 3. Is correct, 4. Is correct

Step-by-step explanation:

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