Mathematics High School

Please Help :)
Set up the equation and find the length of BC.

Please Help :)Set Up The Equation And Find The Length Of BC.

Answers

Answer 1

Answer:

BC= 29

Step-by-step explanation:

If the total, AC, is 54 and AB is 25 subtract those two to find the last part, BC.

Related Questions

h(-1) means that x is...

Answers

Answer:

-1

Step-by-step explanation:

h(x) is another way to say y. the "x" inside h(x) IS the x value

evaluate the function when x = 4 b(x) = -2x - 4

Answers

Ohhhh same I wanna know the answer to that

Can someone help me please

Answers

Answer:

c) 4 or more times

Step-by-step explanation:

what is the result of converting 20 ounces into pounds?

Answers

Answer:

20 ounces is 1.25 pounds

Step-by-step explanation:

Answer:

20 ounces -> 1.25 pounds

Step-by-step explanation:

Divide the given ounce value by 16 or multiply the ounce value by 0.0625

20 oz /16 = 1.25 lbs

20 oz x 0.0625 = 1.25 lbs

What is 0.007826 converted to scientific notation

Answers

7.826 x 10^-3 ( 10 to the negative 3rd power)

Answer:

7.826 • 10^-3

Step-by-step explanation:

the decimal is moved 3 places to the right in order for there to be a digit in the ones place

because decimal is moved right, the exponent must be negative


True or False? (-x)^6 = -x^5 Explain your
answer (use either words or an example).

Answers

Answer:

False

Step-by-step explanation:

[tex](-x)^{6}[/tex] = [tex]x^{6}[/tex]

- [tex]x^{5}[/tex] = - [tex]x^{5}[/tex]

Thus

[tex](-x)^{6}[/tex] ≠ - [tex]x^{5}[/tex]

- 6 - 11
please help i don’t know what i’m doing!!

Answers

Answer:

-17

Step-by-step explanation:

Answer:

-17

Step-by-step explanation:

this is the correct answer

0.297
x7.1
=297
+ 20790
21.087
O True
O False

Answers

Answer:

False.

Step-by-step explanation:

0.297x7.1=2.1087

2.1087+20790= 20792.1087

please help, thanks!

Answers

Answer:

a) 10.5cm

b) 1520cm³ (3 s.f.)

c) 1270cm² (3 s.f.)

Step-by-step explanation:

Please see the attached picture for full solution.

Brett decides to order some new books using a $50 gift card he received for his birthday. He decides to buy as many of a new series of books he can without exceeding the amount on his gift card. If each book cost $12.99 and shipping charges are $7.99 for any size order, what is the maximum number of books that Brett can purchase?

Answers

the correct answer is 3

Lines DE and AB intersect at point C.
What is the value of x?

Answers

Answer:

25

Step-by-step explanation:

[tex](2x + 2) +( 5x + 3) = 7x + 5 = 180 \\ 7x = 175 \\ x = 25[/tex]

Answer:

25

Step-by-step explanation:

2x+2+5x+3=180

7x+5=180

7x=175

x=25

EXPLAIN: How can you use proportions to solve problems?

NO TROLL ANSWERS!!

Answers

Helps you work with number more effectively

Answer:

In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

Step-by-step explanation: i hope this helps if it does vote me the brainliest or like and rate 5 starts if u cant vote me

In segment AC, point B is between A and C. Which of the following is true?
A. Point A + Point B = Point C
B. AB + AC = BC
C. AB + BC = AC

Answers

Answer:

b

Step-by-step explanation:

Answer:b

Step-by-step explanation:

f(x) = 3x ^ 2 + 2x + 10

Answers

Answer:

No x-intercept (zero)

f(0)=10

Step-by-step explanation:

No x- intercept/Zero

Step-by-step
F(x) = 3x^2 + 2x + 10
To find x-intercept/zero, Substitute
F(x) = 0
0 = 3x^2 + 2x + 10
Swap the side of the equation
3x^2 + 2x + 10 = 0
Solve the quadratic equation
ax^2 +b+c = 0
X= -b+ b^2 -4 a c/ 2a
X= -2+ 2^2 -4 x 3 x 10/2x3
X= -2+ 4-4 x 3 x 10/ 2 x 3
-> x=-2+ 4-120/2 x 3 -> x=-2 4-120/6
X=-2+ -116/6
-> calculate the difference
X= -2+ -116/6
The square root of a negative
number dose not exit in the set of
Real numbers
No x-intercept/zero

What is the mean for the data set, to the nearest whole number? 8.5 10 8 9 I need help

Answers

Answer:

9

Step-by-step explanation:

Add the numbers together and then divide by how many numbers there are.

Answer:

you need to show it

Step-by-step explanation:

Evaluate.
(−2
5
2
​
)
2

Answers

Answer:

-63504

Step-by-step explanation:

Find the axis of symmetry f(x) = 2x2 - 4x.

Answers

Answer:

x=1

Step-by-step explanation:

The function graph is a parabola (branches pointing up). Vertex (1; -2). The graph is symmetrical about the x axis = 1

[tex]f(x)=2x^{2} -4x \\x_{0} =-b/2a=-(-4)/(2*2)=1\\f(1)=-2\\[/tex]

Question 9
3 pts
2
1
3.
4
If m 1 equals (4x + 2) and m23 equals (5x - 15), what is the value of x?
016
O 14
O 15
17

Answers

Answer:

17

Step-by-step explanation:

m<1 = (4x + 2)

m<3 = (5x - 15)

To find the value of x, we need to generate an equation.

<1 and <3 are vertical angles. Vertical angles are congruent. Therefore:

m<1 = m<3

(4x + 2) = (5x - 15)

Use this equation to solve for x

4x + 2 = 5x - 15

Subtract 5x from both sides

4x + 2 - 5x = 5x - 15 - 5x

-x + 2 = -15

Subtract 2 from both sides

-x + 2 - 2 = -15 - 2

-x = -17

Divide both sides by -1

x = 17

keira has 36 cakes,she gives 1/6 of them to tom and 1/9 to sue, how many cakes does she have left?

Answers

Answer:

26

Step-by-step explanation:

1/6 of 36 is 6

1/9 of 36 is 4

6+4=10

36-10= 26

Answer:

26 cakes

Step-by-step explanation:

36 divided by 6 = 6

30 - 6 = 24

36 divided by 9 = 4

6 + 4 = 10

36 - 10 = 26

Hopefully this helps you :)

pls give me brainlest  ;)

emily bought 3 vases of flowers.the most expensive vase of flowers was 12.00 and least expensive was 8.00 which is a reasonable total amount emily could have paid for the 3 vases of flowers

Answers

Answer:$30

Step-by-step explanation:8+12=20 and I would figure she had another one with a price inbetween the two so I chose 10 and added 20+10=30

Solve for w.
4 = 0.25(w-4.3)

Answers

W=20.3

solve what's in the parenthesis, move the terms, calculate, then divide both sides.

Answer:

20.3

Step-by-step explanation:

I did it and it was right on khan

Find the distance CD rounded to the nearest renth C=(6,-5) and D=(-1,-4)

Answers

Answer:

The distance from C to D is 7 units left and 1 unit up

Step-by-step explanation:

Answer:

C to D is 7 units left and 1 unit up

Step-by-step explanation:

Question 1. √80/6 Question 2. (2√5)^2

Answers

Answer:

Q1: is 0

Q2: is 20

Step-by-step explanation:

Q1: Divide the numbers 0 ÷ 6 = 0

√8 × 0

√8 = 2√2

2 × 0 × √2

Apply rule 0 × a = 0

Q2: Apply exponent rule : (a × b)^n = a^n b^n

2^2(√5)^2 = 2^2 (√5)^2

2^2 = 4

4 (√5)2

(√5)^2 = 5

4 × 5

Multiply the numbers: 4 × 5 = 20

CA-Common Core Math 8 (INT) - 1536
Analyzing a Table
Aaliyah's Savings Plan
25+8.25w
w
t
(w, t)
Equation; t = 25 + 8.25w, where w is the number of
weeks and t is the total Aaliyah saved,
What is the error that occurred when Aaliyah
completed her table?
O The table must start at week 1.
12
25+8.25(12)
124
(12, 124)
13
25+8.25(13)
132.25
(132.25, 13)
O The w and t columns need to be switched.
O The ordered pair (132.25, 13) should be (13,
132.25)
O 25 + 8.25(15) = 148.75 in week 15 is not calculated
correctly.
14
25+8.25(14)
140.5
(14, 140.5)
15
25+8.25(15)
148.75 (15, 148.75)
3) Intro
Done
evious Activity

Answers

Answer:

Its c

Step-by-step explanation:

i just did it on edge

C is correct.

Equation: t = 25 + 8.25w, where w is the number of weeks and t is the total Aaliyah saved.

What is the error that occurred when Aaliyah completed her table? The ordered pair (132.25, 13) should be (13,  132.25).

Find the midpoint of the segment with the following endpoints.
(10,7) and (5, 4)

Answers

Answer:

[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{(7.5 \: , \: 5.5)}}}}}[/tex]

Step-by-step explanation:

Let the points be A and B

Let A ( 10 , 7 ) be ( x₁ , y₁ ) and B ( 5 , 4 ) be ( x₂ , y₂ )

Finding the midpoint

[tex] \boxed{ \sf{midpoint = (\frac{x1 + x2}{2} , \: \frac{y1 + y2}{2})}} [/tex]

[tex] \dashrightarrow{ \sf{( \frac{10 + 5}{2} \: , \: \frac{7 + 4}{2} )}}[/tex]

[tex] \dashrightarrow{ \sf{( \frac{15}{2} \: , \frac{11}{2}}} )[/tex]

[tex] \dashrightarrow{ \sf{(7.5 \: , \: 5.5)}}[/tex]

Hope I helped!

Best regards! :D

please help! i need to find the mean

Answers

Answer:

         The mean is 3.74

Step-by-step explanation:

[tex]\overline x =\dfrac{-3\cdot4+(-2)\cdot2+3\cdot1+4\cdot1+6\cdot4+8\cdot7}{4+2+1+1+4+7}\\\\\\\overline x =\dfrac{-12-4+3+4+24+56}{19}\\\\\\\overline x =\dfrac{71}{19}=3.7368421....\approx3.74[/tex]

15points+brainliest!! please help :(!

Answers

Answer:

rise 6 units up

Step-by-step explanation:

Answer:

6 units up

Step-by-step explanation:

Take a point

A is at  (-6,-2)

A' is at  (-6,4)

The shift is in the y coordinate of +6

This is a vertical shift

The ratio of white cars in the parking lot to
black cars is is 5 to 7. The number of white
cars is 24 less than the number of black cary
How many black cars are there?

Answers

Answer:84

Step-by-step explanation:

you multiply each side by 12. That gets you 60 white cars and 84 black cars. 60 is 24 less than 85

HELP FAST PLZ!! I GIVE BRANLIY!
what is the difference between the Integers -11 and -3?​

Answers

Answer:

wait on second thought -8

Step-by-step explanation:

Answer:

-8

Step-by-step explanation:

-11<-3

-3-8 = -11

Difference = -8

Jan joined the dining club at the local cafe for a fee of $29.95. being a member entitles her to save $2.50 every time she buys lunch. so far, Jan calculates that she has saved a total of $12.55 by joining the club. write and solve an equation to find out how many times Jan has eaten lunch at the cafe

Answers

Answer:

17 lunches

Step-by-step explanation:

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