Mathematics High School

HEY! HELP PLEASE, ASAP!! THANKS SO MUCH!!!! ​

HEY! HELP PLEASE, ASAP!! THANKS SO MUCH!!!!

Answers

Answer 1

Answer: I think its b

Step-by-step explanation:

Related Questions

Apples are on sale for $3.12 per kilogram is the total cost of apples proportional to the total mass?​

Answers

Answer:

yes

Step-by-step explanation:

(there really isn't much else to say, it's quite simple)

Suppose a city with a population of 400,000 has been growing at a rate of 3% per year what will the population be in the next 19 years

Answers

Can I please get help also

Someone help me Solve x

Answers

Answer:

x=12

Step-by-step explanation:

Hope this helpsI would explain but I have some work so sorry

Answer:

x = 12

Step-by-step explanation:

Angles and Lines

The figure attached below has been completed with the angle y to support the calculations to come.

The sum of the interior angles of a rectangle is 180°. Applying on triangle PQR:

30 + 4x + 2 + y = 180

Simplifying:

32 + 4x + y = 180

Solving for y:

y = 180 - 32 - 4x

y = 148 - 4x

Angles y and 8 + 6x are a linear pair, i.e. their sum is 180°, thus:

y + 8 + 6x = 180

Substituting y from the equation above:

148 - 4x + 8 + 6x = 180

Simplifying:

156 + 2x = 180

Dividing by 2:

78 + x = 90

Subtracting 78:

x = 90 - 78

x = 12

Solve the system.
2x – 6y= -4
6x – 8y = 18

Answers

Y=3 I thinkkkkkkkkkkkkkkkkk

Answer:

Step-by-step explanation:

2,9

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PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!

Answers

Answer:

(2,2)

Step-by-step explanation:

Sub equation 2 in 1 to get 2x-2=-4x+10

6x=12

x=2

sub x in 2

y=4-2

y=2

A factory process requires 3 steps to finish a product. The steps each have a mean completion time of
= 10 seconds and a standard deviation of g = 5 seconds. The time it takes to complete each step is
independent from the other steps. Let T be the total completion time of the 3 steps on a randomly chosen
product.
Find the mean of T.
HT=
seconds
Use a whole number.

Answers

Answer:

square root 75

Step-by-step explanation:

khan

Using the normal distribution, the mean of T is of 30 seconds.

How to get the z scores?

If we've got a normal distribution, then we can convert it to standard normal distribution and its values will give us the z score.

If we have

[tex]X \sim N(\mu, \sigma)[/tex]

[tex]Z = \dfrac{X - \mu}{\sigma}, \\\\Z \sim N(0,1)[/tex]

The mean of T is 10 seconds

A normal distribution has two parameters: Mean  and standard deviation .

The given parameters are the mean completion time of each step, μ = 10 seconds

The standard deviation, σ = 5 seconds.

For the total completion, there are 3 instances, hence ,n = 3(10)

Thus, the mean of T is of 30 seconds.

Learn more about standard normal distribution here:

https://brainly.com/question/10984889

#SPJ1

Triangle ABC is similar to triangle DEF

Answers

Answer:

A my dude. good luck!!!!!

Answer:

A

Step-by-step explanation:

AC = 5

DF = 15

5 x 3 = 15

BC = 3

EF = 9

3 x 3 = 9

Do you see the pattern? So as you can see the difference between Triangle ABC and DEF is the multiply/divide 3 so if you want to find DE then you should set it up as:

[tex]\frac{4}{3}[/tex] = [tex]\frac{DE}{9}[/tex]  and to check if its right if you solve it you get [tex]\frac{4}{3}[/tex] = [tex]\frac{12}{9}[/tex]

and as you see [tex]\frac{12}{9}[/tex] and [tex]\frac{4}{3}[/tex] are literally the same thing just you need to simplify [tex]\frac{12}{9}[/tex]

17)
Let X = {x | x is a whole number less than 10}, Y = {yly is an even number}
What is XnY?
A)
{0, 2, 4, 6, 8}
B)
{1, 2, 3, 4, 5, 6, 7, 8, 9}
C){1,3,5,7,9)
D)
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Answers

Answer:

answer of XnY where Y is an even no and X is a whole number less than 10 is

A {0,2,4,6,8}

Answer:

Step-by-step explanation:

Heyy pleaseeeee help meeeeeeeeee

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Answer:

no solution

Step-by-step explanation:

Need help please and thank you

Answers

Answer:

c

Step-by-step explanation:

In the standard (x, y) coordinate plane, a point
(4, - 3) is shifted left 10 units and up 12 units. What
are the new coordinates of the point?

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(-6,9)

Step-by-step explanation:

2 minutes left need help PLS :(

Answers

The answer is B!! Hope this helps and please mark brainliest!

Complete the statement. Round to the nearest hundredth if necessary.

4 ft = ?m

Answers

Answer:

1.2192m

Step-by-step explanation:

WILL MARK BRAINLIST!!! only for correct answer
NEED CORRECT ANSWER ASAPPP

Answers

Answer:

B

Step-by-step explanation:

y=4x

in the graph

(8,32),(12,48),(16,64)

x={8,12,16}

y={32,48,64}

from y=4x

1)32=4x,x=32/4,x=8 ;(8,32)

2)48=4x,x=48/4,x=12 ;(12,48)

3)64=4x,x=64/4,x=16 ;(16,64)

Adding fractions......

Answers

Answer:

28 8/21

Step-by-step explanation:

18 5/7 + 9 2/3 (hint: remember you have to turn them into common denominators)

so ther least common denominator would be 21 so...

18 15/21 + 9 14/21

then add it together

28 8/21

Answer:

I got 28 8/21. There's a picture of how I did it.

Step-by-step explanation:

I used a method called the butterfly method. I did 18 + 9 which equals 27. Then I did 5/7 + 2/3 and got 29/21, and divided the fraction and got 28 8/21.

same price, d.
) Which model represents the situation?
d
d
10
d
19
.) What is the price of one drink?
d=
7
8
9
ex
4
5
6

Answers

Answer: ddddd

Step-by-step explanation:

Pls help!!
Pythagorean Theorem
Find the missing side of the triangle! Write down the missing side and what type of triangle it is!

Answers

Answer:

1.) isosceles triangle x=11.3

2.) scalene triangle   x=14.1

3.) isosceles triangle  x=6.02

4.) isosceles triangle   x=15

5.) scalene triangle   x=12

Step-by-step explanation:

Which graph represents the solution set to this system of equations? Y=-1/2x+3 and y=1/2x-1

Answers

Answer:

It's D.

Step-by-step explanation:

I NEED HELP PLEASE !!!!

Answers

Answer:

NEVER INTERSECT

Hope this Helps

The hospital has found that if a patient is being visited on average at least 8.4 times per day, they can give the same patient care with 3 less nurse visits per day. How many nurse visits per day can the hospital reduce for these 13 patients?

Answers

Answer:

6

Step-by-step explanation:

the number of patients that get visted 8.4 times is 1 and another 1 at 8.3 add those up and mutiply by the 3 less nurses visits you get 6

Number of nurse hours  the hospital can reduce is 6.

What is an expression?

An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.

Now it is given that,

Number of patients visited on average at least 8.4 times per day = 2 patients

Now for each of the 2 patients the hospital can reduce 3 nurse visits.

Thus,

Number of nurse hours the hospital can reduce = 3 x 2

⇒ Number of nurse hours the hospital can reduce = 6 hours

Thus, Number of nurse hours  the hospital can reduce is 6.

To learn more about expressions :

brainly.com/question/11568837

#SPJ2

Which number is a factor of 84?

Answers

Answer:

3

Step-by-step explanation:

Factors of 84 : 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42 and 84.

If you could help I would really appreciate it, but if not that’s fine. Thank you.

Answers

Answer:

Its 3x-5

Step-by-step explanation:

Since 5 is less than or equal to 5, you input it into the second equation!

2•(5) +3
10+3
13
The answer is 13!

The mass of a large car is 1200 kg. How much force would be required to accelerate the car at a rate of 5 m/s2?

Answers

Answer:

6000/s^2

Step-by-step explanation:

Answer  6000/s^2

Step-by-step explanation:

Cool-Down
A meal costs $20 before tax and tip.
There is a 8% sales tax. After the tax, a 15% tip is
added.
What is the total after tax and tip?

Answers

Answer:

24.84$

Step-by-step explanation:

You multiply 20 by 0.08 which equals 1.6

then you add 20 + 1.6 which equals 21.6

then you multiply 21.6 by 0.15 which equals 3.24

24.84

what is 1+2=? i need to know if it’s 2 or 12

Answers

Answer:

3

Step-by-step explanation:

1+2 = 3

The answer will be 3

What is the y-intercept of the line?
У.
-2
0
х
-2
1
2
1

Answers

Answer:

1

Step-by-step explanation:

Because the line is crossing on 1, on the y-axis.

Bradley Wiggins cycles 2.5km on a warm up. If the diameter of Bradley's bike wheel is 68cm, how many times (to the nearest whole rotation) will Bradley's bike wheel have rotated on this journey?

Answers

Answer:

1171 rotations

Step-by-step explanation:

Given that:

Distance cycled = 2.5km

Diameter of bike wheel, d = 68cm = 0.68m

We obtain the Circumference of the bike wheel:

Circumference, C = πd

C = 3.14 * 0.68

C = 2.1352 m

The number of rotations Bradley's wheel will make will be :

Total distance cycled / Circumference

= (2.5 *1000)m / 2.1352m

= 2500 / 2.1352

= 1170.8505

= 1171 rotations

How many ratios are equivalent to 3 : 8 ?

Answers

Answer:

6 : 16, 12 : 32 and 18 : 48.

Step-by-step explanation:

Therefore, the three equivalent ratios of 3 : 8 are 6 : 16, 12 : 32 and 18 : 48.

what is the equation of the line given the table

Answers

Answer:

y=3x-1

Step-by-step explanation:

A rectangle has an area of 36 square centimeters. The width of the rectangle is 4 centimeters.
What is the length of the rectangle?

Answers

A=lw
A/w=l
36/4=l
9=l
The length of the rectangle is 9cm
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