Mathematics High School

50 points
you can just draw a line or something

50 Pointsyou Can Just Draw A Line Or Something

Answers

Answer 1
______________________

Related Questions

Brainliest if correct

Answers

Answer:

the answer is c

Simplify: x
[tex]x { }^{2} - 3x + 2 \ \div x {}^{2} - 4[/tex]

x² - 4
4​

Answers

Answer:

[tex]\frac{x-1}{x+2}[/tex]

Step-by-step explanation:

simplifying the equation:  [tex]x^2-3x+2/x^2-1[/tex]

1) Rewrite the equation so it's easier to understand:

[tex]\frac{x^2-3x+2}{x^2-4}[/tex]

2) factor [tex]x^2-3x+2[/tex]:

[tex]x^2-3x+2[/tex] [tex]=> (x-1)(x-2)[/tex]

3) factor [tex]x^2-4[/tex]:

[tex]x^2-4 => (x+2)(x-2)[/tex]

Meaning: [tex]\frac{(x-1)(x-2)}{(x+2)(x-2)}[/tex]

4) Cancel the common factor: [tex](x-2)[/tex] from the numerator and the denominator:

[tex]=\frac{x-1}{x+2}[/tex]

Joe walks to his school from his home in 37 minutes .if his school is 3kn away calculate. the speed in meters per second​

Answers

Step-by-step explanation:

speed= distance/time

37 mn=2220 sec

3 km=3000 m

ans=3000m/2220sec

how do I get the answer to 2/5 times 3

Answers

Answer:

6/5

Step-by-step explanation:

2/5*3=2/5*3/1=6/5

Answer:

[tex]\frac{6}{5}[/tex] or [tex]1\frac{1}{5}[/tex]

Step-by-step explanation:

[tex]\frac{2}{5} *3[/tex]

3 can be rewritten as 3/1

[tex]=\frac{2}{5}*\frac{3}{1}[/tex]

Multiply the numerators and denominators

[tex]2*3=6\\5*1=5[/tex]

[tex]= \frac{6}{5}[/tex]

You can also change this into a mixed number by dividing the numerator by the denominator and writing the remainder as the numerator:

[tex]= 1\frac{1}{5}[/tex]

I hope this helps!

plea help I will give brainiest

Answers

Answer:b

Step-by-step explanation:

l x w x h

Allen wants to have a mean of 90 on his math quizzes. So far, he has scored 86, 94, 88, 95, and 89. What is the least score that Allen needs on his next quiz to have a mean of 90?

Answers

Answer:

88

Step-by-step explanation:

[tex] \frac{86 + 94 + 88 + 95 + 89 + x}{6} = 90[/tex]

The mean would be the sum of all the math quiz grades divided by the number of quizzes taken.

Solve for x:

[tex]86 + 94 + 88 + 95 + 89 + x = 540[/tex]

[tex]452 + x = 540[/tex]

[tex]x = 88[/tex]

Thus, Allen needs at least an 88 to obtain a mean of at least 90.

Jane has 3 ¾ cups of yogurt that she wants to split into smaller containers. Each container can hold ¾ cup of yogurt.

Answers

Answer:

5 containers

Step-by-step explanation:

Converting to a decimal can make questions like this easier to solve.

3 3/4 = 3.75

3/4= .75

3.75 cups divided by .75 cup containers results in 5 containers needed.

A car travels 30 1/5 miles in 2/3 of an hour. Whwt is the average speed, in miles per hour, of the car​

Answers

Answer:

45 3/10 mph

Step-by-step explanation:

30 1/5 /2 = 15 1/10

15 1/10 x 3 = 45 3/10 mph

2x - 4 = -8 what is the value of x?

Answers

Answer:

x = -2

Step-by-step explanation:

2x = -8+4

2x = -4

x = -2

CHECK

-4 - 4 = -8

Find the Area:
16 m
.
12 m

Answers

3.14 x 8^2 = 200.96 (divided by) 2 = 100.48

1/2 (8 x 12) = 48 x 2 = 96

100.48 + 96 = 196.48

A = 196.48

A bus traveled 744 miles between two cities. The bus travels at a speed of 48 mph. Write a multiplication equation and then solve to find out how many hours it took for the bus to arrive at its destination

Answers

Answer:747

Step-by-step explanation:

A bill for the repair of a laptop was $249. The cost of the parts was $84, and the labor charge was $55 per hour. How many hours did it take to repair the laptop?​

Answers

3 hours.
Explanation
249 total - 84 already paid (for parts) is
165.
165
divided by
55 dollars an hour
is
3 hours worked on repairing.

Find the slope of the line that passes through (4, 1) and (9, 8).

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answer:

the slope is 7/5

A checking account has a balance of $350 a customer makes Cu with drawls 150 more than the other then he makes a deposit of 75 what is the answer

Answers

Answer:

275

Step-by-step explanation:

Mr. Jennings is shopping for a car loan. He wants to buy a car that costs $18,000. He plans to pay $5,000 in cash and get a loan for the rest. If the annual interest rate on the loan is 5%, how much interest will he pay in the first year?

Answers

Answer:

$650

Step-by-step explanation:

Interest = amount of the loan x interest rate x time

Amount of the loan = price of the car - cash payment

$18,000 - $5,000 = $13,000

interest rate = 5%

time = 1 year

$13,000 x 0.05 x 1 = $650

find the value of given expression
[tex] \sqrt{170 - 1} [/tex]
​

Answers

Answer:

Answer is 13 I hope this help you

Heyy can someone please help me with this math ? I forgot how to figure it out... I'll give brainliest !!

Answers

Answer: 4 is the scaling increment

Step-by-step explanation:

12/3 = 4

8/2 = 4

True ^^^**^^^^^^^^^^^^^^^^

Please help what’s the domain of C

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Answer:

I can't see the picture but the domain is the x value.

Step-by-step explanation:

Write the equation for each graph.

PLEASE HELP ME ON BOTH !!

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Using y=mx+b

m stands for slope, b stands for y-intercept

slope is rise/run, the y-intercept is the point where the line touches the y-axis

1- y=(4/6)x+(-2)

2- y=(-2)x+(3)

what is the distance between (-6-4) and (-5,-4)​

Answers

Step-by-step explanation:

take as if this points are on a line segment AB

Dab = square root of ( xa - xb) ^2 + ( y a- yb) ^2

= square root of [ (-6) - (-5) ]^2 + [ (-4) - (-4) ]^2

= square root of (-1)^2 + (0)^2

= square root of 1 + 0

= square root of 1

= 1 units

The distance from AB is 1 unit

What is the range of the ordered pairs (1,1), (2,6), (3,5), and (4,1)?

Answers

Answer:

45

Step-by-step explanation:

just cuz

Answer:

45

Step-by-step explanation:

Please help! I need help.

Answers

Answer:

Supplementary

Step-by-step explanation:

Two angles are "supplementary" when their degree values add up to 180.

Another similar word is "complementary" where angles add up to 90.

;) tip: memorize the words

What does this mean?

Answers

Answer:

Plug in -3 as x

Step-by-step explanation:

f= -4(-3)+1

1/4 of 7 and 1/3 of 7

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Answer:

1/4 of 17 =4.25 in decimal form

1/3 of 7 = 2.3333 in decimal form

Step-by-step explanation:

I hope I helped

what is the coefficient of 7x+13

Answers

Answer:

7

Step-by-step explanation:

This is because any number combind with a variable will be considered a coefficient, for example in the equation 4x-13, 4 is the coefficient.

I believe the answer is 7

Please help with this


Answers

Answer:

6.19

7a.C

7b.Angle AED

7c.Angle 8

7d. Angle 6 and 8

Step-by-step explanation:

6a. The labeled angles are vertical angles so we set them equal to each other.

[tex]7x - 8 = 6x + 11[/tex]

[tex]7x = 6x + 19[/tex]

[tex]x = 19[/tex]

7a.Angle 11 is near Point C so Point C is the vertex.

7b. Angle 5 vertex is E so we can use any 3 points as an angle as long as E is in the middle example, and the angles are on the left side so we can use

[tex]aed[/tex]

Write the angle sign as well.

7c. Angle 6 is vertical from Angle 8.

7d. Angle 7 and 6 form a linear pair and since Angle 6=Angle 8, Angle 7 and 8 form a linear pair as well.


What is the meaning of the point with an x-coordinate of 2?

Answers

Answer:

A

Step-by-step explanation:

Because the x-coordinate is in seconds. Which eliminates answer B

Also, the Y-coordinate is measured in 40 meters per unit, this eliminates C and D.

Law of sines problem, please help. solving for x
​

Answers

Answer:

x = 62.9° (3 sig. fig.)

Step-by-step explanation:

Simply by using the cos law,

cosx = (1.3² + 2.1² - 1.9²)/2(1.3)(2.1)

x = 62.9° (3 sig. fig.)

which is the equation of a hyperbola centered at the origin with focus ( 0,4) and vertex (0,sqaure root 12)

Answers

Answer:

the equation of the hyperbola is y^2/12-x^2/4=1

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

The ans above is A

Acellus
Find the indicated side of the
triangle.
b
a
30°
12
12
[?]
a
Enter

Answers

Answer:

a = [tex]\frac{12}{\sqrt{3} }[/tex]

Step-by-step explanation:

Using the tangent ratio in the right triangle and the exact value

tan30° = [tex]\frac{1}{\sqrt{3} }[/tex] , then

tan30° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{a}{12}[/tex] = [tex]\frac{1}{\sqrt{3} }[/tex] ( cross- multiply )

a × [tex]\sqrt{3}[/tex] = 12 ( divide both sides by [tex]\sqrt{3}[/tex] )

a = [tex]\frac{12}{\sqrt{3} }[/tex]

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