Mathematics High School

(practice quiz)
Subject: Mathematics

Answers

Answer 1

Answer:

look I am not going to answer

Step-by-step explanation:

but do 72.5-14.5 and you will get the answer

Related Questions

U-Move-It charges $18 per hour, plus a fueling fee of $45 to rent a truck. Bobby needs to rent a truck and can spend no more than $145. What could the inequality expression look like for this word problem?

WILL GIVE BRAINLIEST

Answers

Answer:

[tex]x\leq 5[/tex]

Step-by-step explanation:

45+18x=145

18x=100

x<=5

So x is equal to or less than 5

Hope this helps plz hit the crown :D

Help pls I’ll give 50 points ! If right math ppl

Answers

[tex]f(x)=-3x[/tex]

Substitute x = 5 in the equation.

[tex]f(5)=-3(5)\\f(5)=-15[/tex]

Therefore, the answer is -15 or last choice when x = 5.

The answer is -15 or the last option (E)

-Hope this helps

ASAP HELP ME

Find the area of the parallelogram

Answers

It’s 45, the answer is right on the screen

Charlie started his candy sale with 48
Candy bars. Now he has 32 candy bars. Find
the percent decrease.

Answers

Answer:

I think its 7% but I could be wrong

(82-25) ÷ (24 ÷ 6) + 32

Answers

Answer:46.25

Step-by-step explanation:

(82-25)divide(24/6)+32

v v

57/4+32

14.25 +32

46.25

In a class of 23 students, 16 have a brother and 15 have a sister. There are 11 students
who have a brother and a sister. What is the probability that a student chosen
randomly from the class is an only child?

Answers

Answer:

3/23

Step-by-step explanation:

11 students have a brother and a sister16 students have a brother and 16 - 11 = 5 have a brother only15 students have a sister and 15 - 11 = 4 have a sister only

So out of 23 students:

11 + 5 + 4 = 20 have a brother or sister or both

And therefore

23 - 20 = 3

students have no brothers or sisters

The required probability is:

3/23

Can someone tell me the answer?

Answers

Answer:

Step-by-step explanation:

16÷3=5r1. Hope this helps

Write the simplest polynomial function with the given roots 1/2,5, and -2

Answers

Answer:

x³-7x²/2-39x/2 + 10

Step-by-step explanation:

Given 1/2,5, and -2 as roots of the polynomial, the function in terms of x is expressed as;

P(x) = (x - 1/2)(x - 5)(x+2)

Expand;

(x - 1/2)(x - 5) = x²-5x -x/2 + 5/2

(x - 1/2)(x - 5) = x²-11x/2 + 5/2

P(x) = (x²-11x/2 + 5/2)(x+2) = x³+2x²-11x²/2-22x+5x/2 + 10

P(x) = x³-7x²/2-39x/2 + 10

Hence the required polynomial is x³-7x²/2-39x/2 + 10

PLEASE HELP I REALLY NEED IT! PLEASE ASAP!

If possible please give a short explanation of your answer, I just don't want people choosing random answers for points. Thank you so much! :D

1. Let f(x)=3x+1 and g(x)=2x2−1

Find f(g(2))
A 97
B 28
C 10
D 22

2. Let f(x)=2x and g(x)=(x−3)2

Find g(f(x)) (there may be more than one answer)

A 4x^2−9
B 4x^2−12x+9
C 4x+9
D 4x^2+10x−9

Answers

firstly in g(x) put 2 so =7 and then put 7 in f(x) and that will be 22

Helpppppppppppppp ppppppppp

By using Pythagoras theorem we can calculate length of YA and which will come out as, 5√3 units, So Option A is correct.

What is Pythagoras theorem?

It is the most important theorem of mathematics, which tells us the relationship between sides of the right angle triangle, which are known as Base(A), Height(B), Hypotenuse(H).

Pythagoras theorem,

H² = A² + B²

Given information,

The length of the side YZ is twice of the side AZ,

Given length of side YZ is, 10 unit

Therefore, length of side AZ is, 5 unit

YA is altitude of ΔXYZ,

and ΔAYZ is a right angle triangle so we use Pythagoras theorem

YZ = H = 10

ZA = A = 5

YA = B = ?

100² = 5² + B²

B = 5√3

Hence, the length of side YA is 5√3 unit

To know more about Pythagoras theorem check:

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is this equation true?
y^4 + y^5= y^9

Answers

No, it is not true
You cannot add expressions with the same base while adding their exponents. This only works when you multiply the two numbers

Answer:

NO it is not true

the number of units expected to be sold is uniformly distributed between 300 and 500. if r is a random number between 0 and 1, then the proper expression for sales is

Answers

300 + (200)r is the proper expression for sales if the number of units expected to be sold is uniformly distributed between 300 and 500. If r is a random number between 0 and 1.

What is a random number?

a random number is a number chosen by chance -- i.e., randomly, from a set of numbers. All the numbers in a specified distribution have equal probability of being chosen randomly.

Given that r is a random number between 0 and 1. it is uniformly distributed between 300 and 500 will be done by using the formula of 300+200r.

If r = 0, 300+200r will result in the output as 300

If r = 0.5, 300+200r will result in the output as 400

If r= 1, 300+200r will result in the output as 500

Hence ,the proper expression for sales is 300+200r

learn more about of random number here

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Samuel and Savannah purchase stocks in a company. Samuel started with 50 shares and of the stock and buys 10 shares per month. Savannah did not start with any shares, but she buys 25 shares per month. Write an equation that represents the number of months it will take before Savannah and Share the same amount of shares

Answers

Answer:

50 + 10m = 25m

Step-by-step explanation:

Given that:

Samuel:

Stating shares = 50 shares plus 10 shares per month

Savanah :

Starting shares = 0 plus 25 shares per month

Let number of months = m

Samuel shares = savanna shares

50 + 10m = 25m

50 = 25m - 10m

50 = 15m

50 / 15 = m

Bill is going for a run. He runs for 19.2 miles at a speed of 6 miles per hour. For how many hours does he run

Answers

Answer:

3.2miles per hour

Step-by-step explanation:

19.2 / 6 = 3.2

-20 + 6 = - +5 Approximate the solution to the equation above using three iterations of successive approximation. Use the graph below as a starting point. 6 2 3 X х -6 14 - 2 6 2 -6 OA I -100 OB. 1 13 16 15 16 O C. 15 O D. r 021+

Answers

Answer:

its b

Step-by-step explanation:

i did that test

The required solution after three successive iterations is near x = 7/8. Option c is correct.

What is the equation?

The equation is the values of two expressions that are equal. In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal.

Here, we have,

Equation is -2x + 6 = -(2/3)^x + 5. Approximate the solution to the equation above using three iterations of successive approximation.

given that,

-2x + 6 = -(2/3)^x + 5

Arranging the equation

(2/3)^x - 2x + 1 = 0

Since the solution of the equation is when f(x) = 0 at near to x = 0.8

f(x) = (2/3)^x - 2x + 1

First iteration at x =0.8

f(0.8) = 0.123

It will go up more to get exact zero, so

Second iteration at x = 0.9

f(0.9) = -0.106

It seems that zero is near 0.9 so will go down

The third iteration at x = 0.87

f(0.87) = -0.037

Here , solution is much near to x = 0.87 or x =7/8.

Thus, the required solution after three successive iterations is near x = 7/8.

Learn more about the equation here:

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a civil engineer is drawing a plan for the location and length of a new underground sewer pipe on a coordinate grid. the pipe on the plan will run from point n ( a , −2) to point p (1, b ) on the coordinate grid. which expression represents the shortest distance between n and p in units? ( a 2)2 (1 − b )2 (1 − a )2 ( b 2)2

Answers

The shortest distance between n and p in units = (1 − a )2+ ( b+ 2)2.

The correct option is B.

Distance between two points:

The length of line segment connecting any two points is known as their distance from one another. The length of a line segment connecting the two given coordinates can be used to calculate the distance between the points in coordinate geometry.

What is coordinate geometry used for?

The study of geometry utilizing coordinate points is referred to as coordinate geometry (or analytic geometry). The distance between two points can be calculated using coordinate geometry, as can the areas of triangles in the Cartesian plane, the midpoints of lines, and more.

According to the given information:

The expression that represents this same shortest distance between P and N in units is found to use the distance between two points to be:

[tex]d=\sqrt{(1-a)^2+(b+2)^2}[/tex]

The distance between two points, (x1,y1) and (x2,y2), is represented by:

[tex]d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}[/tex]

the distance between the points N(a, -2) and P(1,b) is:

[tex]\begin{aligned}&d=\sqrt{(1-a)^2+(b-(-2))^2} \\&d=\sqrt{(1-a)^2+(b+2)^2}\end{aligned}[/tex]

The shortest distance between n and p in units = (1 − a )2+ ( b+ 2)2.

To know more about coordinate geometry visit:

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I understand that the question you are looking for is:

A. ( a +2)2+ (1 − b )2

B. (1 − a )2+ ( b+ 2)2

WANT BRAINLIEST? look up the case of genie wiley and tell me your reaction. its literally sooo sad why would someone do that???

C. 68°

we know this because the two sides are congruent (which means it’s an isosceles triangle) so you know that the two angles are congruent

3. Solve for x: (x-3)2 =16

Answers

Answer:

x = 11

Step-by-step explanation:

(x - 3)2 = 16

simplify

2x - 6 = 16

add 6 to both sides

2x -6 + 6 = 16 + 6

2x = 22

divide by 2

2x/2 = 22/2

x = 11

Answer:

x=11

Step-by-step explanation:

11-3=8

8x2=16

Hope this helps you! Happy holidays!

Solve the problem
( SHOW your work )

10x – 3 = 8x + 5

Answers

Answer:

x =4

Step-by-step explanation:

10x – 3 = 8x + 5

Subtract 8x from each side

10x-8x – 3 = 8x-8x + 5

2x-3 =5

Add 3 to each side

2x-3+3 =5+3

2x= 8

Divide by 2

2x/2 =8/2

x =4

Help, me with this oof

Answers

Answer:

I'm confused

Step-by-step explanation:

what is it

How do we help? theres no question??

Easy math problems!!!!!!

Answers

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Trigonometry

[Right Triangle Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

Step 1: Define

We are given a right triangle. We can use PT to solve for the missing length.

Step 2: Identify Variables

Leg a = 12

Leg b = x

Hypotenuse c = 20

Step 3: Solve for x

Substitute: 12² + x² = 20²Isolate x term: x² = 20² - 12²Exponents: x² = 400 - 144Subtract: x² = 256Isolate x: x = 16

Answer:

Step-by-step explanation:hi

what is the value of x in the equation 6 (x + 11) = -300

Answers

Answer:

x=-61

Step-by-step explanation:

Answer:

-61

Step-by-step explanation:

6(x+11)=-300

6x+66=-300

6x=-366

x=-61

hope this is right

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(practice quiz)Subject: Mathematics ​

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(practice quiz)
Subject: Mathematics