Mathematics High School

What is the value of this expression when n=-15
-2|n+6|

Answers

Answer 1

Answer:

18 I believe

Step-by-step explanation:

-2 |n + 6|

-2 |-15+6|

-2× -9

18

Related Questions

A 51 foot ladder is set against the side of a house so that it reaches up 45 feet. If Nora grabs the ladder at its base and pulls it 6 feet farther from the house, how far up the side of the house will the ladder reach now? (The answer is not 39 ft.) Round to the nearest tenth of a foot.

Answers

Answer:41.2

Step-by-step explanation:

PLEASE HELP ME hejdhdhisbdgsoandgosjs

Answers

B. 1/3

i hope this helps! :)

Osetion Progress
Homework Progress
a cm
R
Dia
dra
In the diagram shown,
PQRS is a rectangle,
XY is parallel to PS,
RY = 9 cm,
Area of PQRS = 84 cm,
Area of PXYS = 21 cm.
Work out the values of a and b.
You must show all your working.
9 cm
ү
bcm
P
S

Answers

Answer:

The answer is below

Step-by-step explanation:

PQRS is a rectangle. The length of rectangle PQRS = 9 cm + b cm = (9 + b)cm

The breadth of PQRS = a. Hence:

Area of PQRS = length * breadth = (9 + b)(a) = 9a + ab

but Area of PQRS = 84 cm²

9a + ab = 84          (1)

In rectangle PXYS, length = QR = a cm, breadth = YS = b cm

Hence area of PXYS = length * breadth = (a)(b) = ab

But Area of PXYS = 21 cm²

ab = 21         (2)

substitute ab = 21 in equation 1:

9a + 21 = 84

9a = 84 - 21

9a = 63

a = 7 cm

ab = 21

7b = 21

b = 3 cm

Therefore a = 7cm, b = 3 cm

 

Let f(x) = 5x/x^2-7+10
What is the domain of f(x)?
A. All real numbers
B. All real numbers except x = 2, x = -5
C. All real numbers except x = 2
D. All real numbers except x = 2, x = 5

Answers

your answer is letter A ( don’t worry it’s right i looked it up ) AND on ma.thwa.y

Answer:

B

Step-by-step explanation:

The volume of a rectangular pyramid is 152 in. What would be its
new volume if its dimensions were reduced to one-half their original
length?

Answers

Answer: I'm not the best at this so you might wanna wait for another answer but I think you just half 152??? so 76 :))) but I feel like you shouldn't trust me haha

Step-by-step explanation:

A person wants to purchase a pair of shoes and some pairs of socks. He has less than $121 to
spend. If a pair of shoes costs $30 and each pair of socks costs $8, what is the maximum
number of pairs of socks he can purchase?

Answers

the answer is 11

first you need to subtract 30 from 121 since you want one pair of shoes

then to know how many socks you can have divide 91 (the result) and 8 (the price of the socks)

and you can only buy 11

(the more detailed answer is 11.375)

Stephen bought enough powdered juice mix to make 834gallons of juice. If his kids go through 125gallons of juice per week, how many week’s worth of juice did he buy?

Answers

I think the answer would be around 6.672

Answer:

Read explanation so you can learn

Step-by-step explanation:

Divide the total amount of juice with the amount of juice the kids drink per week, 834/125 and you will get 6.672, So it will take about 6.6 weeks for the kids to drink all of the juice.

Una impresora imprime 28 fotos en 8 minutos ¿cuántas fotos imprimirá en 20 minutos?

Answers

Answer:

70 fotos

Step-by-step explanation:

28 fotos en 8 minutos

3.5 fotos por minuto.

Entonces, 3.5 x 20 = 70 fotos

help. rhombus JKLM is shown below. Find m<KLM

Answers

Answer: It's 76 (sorry, I answered it wrong!)

Step-by-step explanation:

In a rhombus, the diagonals split the angles into two equal parts. If one part of the angle is 38, then the other part is 38. Add up both of them, and you'll get the entirety of angle L, which is 76.


....................

Answers

Answer: B

Step-by-step explanation:

Create the line using the information given which is y=3x-9 and find the zero by making y = 0

use Multistep Pythagorean Theorem to answer

Answers

Answer:

√5

Step-by-step explanation:

I think that is the answer I never come to such a question of changing things to radical form but I guess 5 cannot be multiplied by a number such that it has a square root so the answer is that√5

In the year 2017. Silver Creek Middle School had 288 students. In the year 2018, the school
had 324 students. What was the percent of increase

Answers

Answer:

12.5 % increase

Step-by-step explanation:

percent increase: [tex]\frac{final-initial}{initial}[/tex] x 100

324-288 = 36/288 = 0.125 x 100 = 12.5 %


Sega makes brownies using a square pan that has a side
measure of x. He decides that he needs a new pan that is
6 inches longer on each side. Which expression represents
the area of the new pan?

Answers

Answer:

(x+6)*(x+6)

Step-by-step explanation:

100% of ___ is 50

what is blank??

Answers

Answer: 50

Step-by-step explanation: 50 out of 50 is 100% just like 25 out of 50 is 50%

Answer:

50

Step-by-step explanation: 50 = 50

Mathh please help and actually do it

Answers

Answer:

Parallel

Step-by-step explanation:

they have the same slopes

Answer:

i believe its b sir. brainliest?

Step-by-step explanation:

Jaime ran the first 1000 meters in 4 minutes. At that rate, how long would it take Jaime to run 2500 meters?

Answers

Answer:

10 minutes i think

Step-by-step explanation:

1000 divided by 4 gives u 250 so she ran 250 meters each minute ....so 2500 divided by 250 gives u 10 so jamie can run 2500 meters in 10 minutes

A city's population increases by 5% every year. If its population today is 300,000, write a function that models the population after x years.

Answers

Answer:

f(x) = 300,000(1.05)^x

Step-by-step explanation:

Use the exponential growth equation:

f(x) = a(1 + r)^x

Plug in 300,000 as a, since it is the original population:

f(x) = 300,000(1 + r)^x

The city's population is growing at 5% each year, so plug in 0.05 as r:

f(x) = 300,000(1 + 0.05)^x

f(x) = 300,000(1.05)^x

So, the function for the population growth is f(x) = 300,000(1.05)^x

The table below shows the costs of purchasing certain numbers of tablets we can assume that the total cost is a linear function of the number of tablets purchased Number of tablets X 17 | 22 | 25 total cost in dollars Y 10183.00| 13178.00 | 14975.00​

Answers

Answer:

hmmmm sry dk

Step-by-step explanation:

help me plzzzzzzzzzzzzz

Answers

A y-9=-2(x+3 that really answer

I’m trying to get this math test done, can I please have some help?

Answers

Answer: B

Step-by-step explanation:

If you use slope-intercept form, you can see that B uses the equation y = 5x - 4, and you can also see that it is linear since it is proportional. The only coordinate plane that has a nonlinear line is D.

A sphere and a cylinder have the same radius and height. The volume of the cylinder is 18 centimeters cubed.

A sphere with height h and radius r. A cylinder with height h and radius r.

What is the volume of the sphere?
12 centimeters cubed
24 centimeters cubed
36 centimeters cubed
54 centimeters cubed

Answers

Answer:

option a

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HELPPPP. Need help asap.

Answers

Answer:

Just learned this-

They are both 1 because of it being to the power of zero and if you type the both in like...

Step-by-step explanation:

sin(73)^0 you get 1

tan(12)^0 you get 1

7x - y = 10
x - 4y = - 14

Answers

Answer:

(2, 4)

Step-by-step explanation:

i hope this is what you needed.

Find the median of the following numbers:
95, 113, 95, 105, 86, 122

Answers

Answer:

100

Step-by-step explanation:

First, order the numbers from least to greatest.

86, 95, 95, 105, 113, 122

Second, look for the middles numbers, if you have an even amount of numbers you will have to find the mean of the two middle numbers.

86, 95, 95, 105, 113, 122

Thirdly, add 95 and 105 together and then divide by two because two is the total amount of numbers you have.

(95 + 105) / 2 = 100.

So the median is 100

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Answer:

b 4 Lee's than 3 times Mary's age is 3x-4

Answer:

3x -4

Step-by-step explanation:

we know this because Charlenes age is - 4 than Marys age.

Now, how much is that something? 3x

3x -4

The translation of ABCD to A’B’C’D is given by (x+[?],y-[ ])

Answers

Answer:

(x + 2, y - 4)

Step-by-step explanation:

The translation is 2 units right and 4 units down from the original image.

(x + 2, y - 4)

D'jair's vacation starts on July 18th and lasts one week. Kyoko's vacation is from July 18th to July 25th. Whose vacation was longer?

Answers

One week= 7 days
25-18=7
I believe both vacations are the same amount of time

Ivan and Tanya share £150 in the ratio 4:1
Work out how much more Ivan gets compared to Tanya.

Answers

Given: Ivan and Tanya share £150 with a 4:1 ratio.

Let x represent the variable amount of money.

Ivan: 4x
Tanya: x

4x + x = £150
5x = 150
x = 30

Ivan = 4(30) = £120
Tanya = £30

£120 - £30 = £90

Therefore Ivan gets £90 more than Tanya, which is four times more than Tanya.

What must be true of the side lengths in order to build a triangle with only two angles the same size?

Answers

Answer:

A triangle with two angles of the same size is an isosceles triangle. So two of its sides are going to have the same measure and the third different. The length of the sides will depend on the height of the measure of the given angles.

Step-by-step explanation:

Isosceles triangles can be classified into an isosceles right triangle, isosceles obtuse, isosceles acute depending on the measurements of its internal angles.

solve to find x 3/4 (5x-3) + 8 = 17

Answers

Answer:

3

Step-by-step explanation:

3/4 (5x -3)+8=17

3/4 (5x -3) = 17 - 8 = 9

(5x -3) = 9 * (4/3)= 36/3 = 12

5x = 12 + 3 = 15

x = 3

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