Mathematics High School

What is the solution of the inequality z + 2 < 8?
​

What Is The Solution Of The Inequality Z + 2 &lt; 8?

Answers

Answer 1

Answer:

Step-by-step explanation:

if z+2<8

we subtract 2 from both sides

z<6

it is second choice B

Answer 2

B. z < 6 because 6 + 2 = 8 but z + 2 < 8.

Related Questions

What is the domain and range help plz

Answers

Answer:

domain=(-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10)

Range=(2, 4, 6, 8, 10, 0, -2, -4, -6, -8, -10)

11. The scale on a map is 1: 80000. A town has an area of 37.5cm2 on the
map. What is the actual area of the town in km2? *
2 points

Answers

The actual area of the town is 3,000,000 km².

Explanation:

Scale = Drawing / Actual

Let x km² be the actual area of the town.

1:80000 = 37.5 / x

1 / 80000 = 37.5 / x

1x= 37.5 • 80000

x = 3 000 000

which expression is equivalent to (7x^3)^2 (x^8)

Answers

Answer:

49x^14

Step-by-step explanation:

volume of the composite

Answers

Step-by-step explanation:

To find the volume of a composite 3D figure, draw any necessary planes to view the figure as basic three dimensional figures, then: add basic figure volumes belonging to the composite shape. subtract basic figure volumes NOT belonging to the composite figure.

What is the recursive formula for the sequence:
1350,450, 150, 50

Answers

Answer:

It is being multiple by 3

Solve the following setting up proportion, cross multiply, and solve for unknown or use (whole)​

Answers

Answer:

60%

Step-by-step explanation:

73:120*100=

(72*100):120=

7200:120=60

1.When two variables are proportional which of the following is constant?
(1) their sum
(3) their product
(2) their ratio
(4) their difference

Answers

Answer:

Their Ratio

Step-by-step explanation:

You switched the numbers 2 and 3 btw

[tex]\boldsymbol{\left ( 2 \right )}[/tex] their ratio

A ratio indicates how many times one number contains another.

Two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio, which is called the coefficient of proportionality or proportionality constant.

When two variables are proportional, [tex]\boldsymbol{\left ( 2 \right )}[/tex] their ratio is constant.

For more information:

https://brainly.com/question/25343092?referrer=searchResults

NEED HELP ASAP!!! WILL MARK BRAINLIEST!!!

A sample of 500 g of radioactive lead-210 decays to polonium-210 according to the function A(t) = 500 e ^-0.0325, where t is time in years. Find the amount of radioactive lead remaining after (a) 4 yr, (b) 8 yr, (c) 15 yr. (d) Find the half-life.

Answers

Answer:

t=4

Step-by-step explanation:

can you help me graph -3y<2x+9

Answers

Answer:

Step-by-step explanation:

please help please help

Answers

Answer:

c

Step-by-step explanation:

4000x.5=2000 which is the next table on the chart.

Answer:

Step-by-step explanation:

y=ar^t

f(x)=4000(1/2)^x

PLEASE HELP ME!!! PLEASE HELP ME!!!!

Answers

Answer:

no le entiendo perdon no se ingles incluso estoy en clase

This year, a farmer planted 300 acres of corn. This was 1.5 times as many acres as he planted last year. How many acres did he plant this year?

Answers

Answer:

600 acres

Step-by-step explanation:

brainest vote pleasee

HELP!!!!
2x+y= 20
3x+4y= 40

Answers

Answer:

(8,4)?

Step-by-step explanation:

30 POINTS!! BRAINLIEST

Answers

Answer:

the first box is 1/3

the second box is 27

Step-by-step explanation:

Answer:

thanks for 15 points

Step-by-step explanation:

i will give first person brainlist for first answer i need help fast
Mr. McCoy entered his classroom at 8:00 am and found the temperature to be 86 degrees. He immediately turns on the air conditioner. By 1:00 pm the temperature was down to 76 degrees The temperature went down at an even rate while the air conditioning was running. write an equation to find the temperature in Mr. McCoy's room at any given time between 8:00 am and 1:00 pm

Answers

Answer:

8:00 am his temperature was 86 at 1 pm it was 76 it went down 10 in the 5 hours of time so it went down 2 every hour I hope this helps                                                                                                                                                                                                                                                                                                                                          

Step-by-step explanation:

En la clase de matematicas hay un total de 50 alumnos han aprobado el 80% ¿Cuántos alumnos han reprovado

Answers

Responder:

10

Explicación paso a paso:

Dado que:

Número total de estudiantes = 50

Porcentaje que pasó = 80%

Si pasó el 80%;

luego porcentaje que falló:

(100 - 80)% = 20%

Número que falló:

20% del total de estudiantes

0,2 * 50

= 10 estudiantes reprobaron

PLSS I NEED HELPPP .

Answers

Answer:

yes

Step-by-step explanation:

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

point (4, 10) lies in which quadrant

Answers

Answer:

the second quadrant

Step-by-step explanation:

Answer:

itssss sooooo easy

Step-by-step explanation:

quadrant 1

y=4x+3
2x-3y=21
SHOW YOUR WORK

Answers

Step-by-step explanation:

y = 4x+3

2x-3y = 21

2x -3(4x+3) = 21

2x -12x -9 = 21

-10x = 21 + 9

-10x = 30

x = -3

Find product of

4xy², 2x² - 3y², x³y³

pls help me will mark u as brainliest

full explanation pls​

Answers

Answer:

8x⁶y⁵ - 12x⁴y⁷

Step-by-step explanation:

→ 4xy² × 2x² - 3y² × x³y³

→ 4x⁴y⁵ × 2x² - 3y²

→ 8x⁶y⁵ - 12x⁴y⁷

HOPE THIS HELPS YOU

Follw me = 10 thanks

Mark as brainliest = 10 thanks

1 thanks to me = 2 thanks


Calculate the elapsed time between:
a 9:30 a.m. and 7:30 p.m.
​

Answers

The elapsed time is 10 hours
That would be 10 hours.

PLEASE HELP OR ELSE MOM WILL BE REALLY MAD!!!!! Two trains, one going from Boston to New York and the other going from New York to Boston, started their trips at exactly same time. Speed of the first train was 10 mph less than twice the speed of the second train.How far from Boston station to have the Met in two hours, if the total distance between cities along the railroad is 220 miles?

Answers

Answer:

140 mile

Step-by-step explanation:

[tex]d_{1} +d_{2} =220\\2(2x-10+x)=220\\x=40\\d_{1}=2*(2*40-10)=140mile[/tex]

While x is the speed of the second train.

The speed of the first train is 50 miles per hour while the second train is at 60 miles per hour.

Speed

Speed is the ratio of total distance to total time taken. It is given by:

Speed = distance / time

Let a represent the speed of the first train. In two hours:

a = d₁/2

d₁ = 2a

a + 10 = d₂/2

d₂ = 2a + 20

d₁ + d₂ = 220

2a + 2a + 20 = 220

4a = 200

a = 50 miles per hour

The speed of the first train is 50 miles per hour while the second train is at 60 miles per hour.

Find out more on Speed at: https://brainly.com/question/4931057

PLZ HELP ASAP! A vendor at the Saturday Market makes $9 profit on each necklace she sells and $5 profit on each bracelet. Find a combination of necklaces and bracelets that she could sell and make.
a. exactly $100 profit
b. more than $100 profit​

Answers

Answer:B. more than $100 profit

Step-by-step explanation:

When the pattern continues it wont be even

Answer

b

Step-by-step explanation:

A car can cover a distance of 522 km on 36 litres of diesel.How for can it travel with 14 litres of diesel?​

Answers

Answer:

I attached a pic

Step-by-step explanation:

Hope it helps you!!!

Which sentence states the author’s point of view of microloans?


A.They help people, not communities.



B.They can change people’s lives for the better.



C.They need to be changed in order to work correctly.



D.They should be paid back quickly to make a difference

Answers

Answer:

B

Step-by-step explanation:

It is right

After losing the __________, the Chinese government was forced to make reparation payments to Britain.
A.
Anglo-Chinese War
B.
Chinese Civil War
C.
Revolution of 1911
D.
Sino-Japanese War

Answers

Option A. Anglo-Chinese War.

Answer: a.anglo-chinese war in e2020

Step-by-step explanation:

PLS HURRY TY WILL GIVE BRAINLIEST

Answers

Answer:

i'm pretty sure its c

Step-by-step explanation:

have a great day!!

Answer:

The quadratic equations and their solutions are;

9 ± √33 /4 = 2x² - 9x + 6.

4 ± √6 /2 = 2x² - 8x + 5.

9 ± √89 /4 = 2x² - 9x - 1.

4 ± √22 /2 = 2x² - 8x - 3.

Explanation:

Any quadratic equation of the form, ax² + bx + c = 0 can be solved using the formula x = -b ± √b² - 4ac / 2a. Here a, b, and c are the coefficients of the x², x, and the numeric term respectively.

We have to solve all of the five equations to be able to match the equations with their solutions.

2x² - 8x + 5, here a = 2, b = -8, c = 5.                                                  x = -b ± √b² - 4ac / 2a = -(-8) ± √(-8)² - 4(2)(5) / 2(2) = 8 ± √64 - 40/4.     24 can also be written as 4 × 6 and √4 = 2. So                                                                                     x = 8 ± 2√6 / 2×2= 4±√6/2.

2x² - 10x + 3, here a = 2, b = -10, c = 3.                                                   x =-b ± √b² - 4ac / 2a =-(-10) ± √(-10)² - 4(2)(3) / 2(4) = 10 ± √100 + 24/4. 124 can also be written as 4 × 31 and √4 = 2. So                                                                              x = 10 ± 2√31 / 2×2 = 5 ± √31 /2.

2x² - 8x - 3, here a = 2, b = -8, c = -3.                                                    x = -b ± √b² - 4ac / 2a = -(-8) ± √(-8)² - 4(2)(-3) / 2(2) = 8 ± √64 + 24/4.     88 can also be written as 4 × 22 and √4 = 2. So                                                                             x = 8 ± 2√22 / 2×2 = 4± √22/2.

2x² - 9x - 1, here a = 2, b = -9, c = -1.                                                     x = -b ± √b² - 4ac / 2a = -(-9) ± √(-9)² - 4(2)(-1) / 2(2) = 9 ± √81 + 8/4.                                          x = 9 ± √89 / 4.

2x² - 9x + 6, here a = 2, b = -9, c = 6.                                                    x = -b ± √b² - 4ac / 2a = -(-9) ± √(-9)² - 4(2)(6) / 2(2) = 9 ± √81 - 48/4.                                                                             x = 9 ± √33 / 4 .

Step-by-step explanation:

Solve 12x + 6 = 102 ?????????????????

Answers

Answer:

12x =102-6

x=96/12

x=8 is the correct answer

Answer:

Answer is x=8.

Step-by-step explanation:

12x+6=102

12x+6-6=102-6

12x=96

12x/12=96/12

x=8

I hope it's helpful!

Which expression is equivalent to 30c - 24d?

Answers

Answer:hmm 30c - 24d = 6d or 6c

Step-by-step explanation:

5. Alex invests $18,100 at 13.6% compounded quarterly for 10 years. How much it be worth in the end?

Answers

Answer:

It be worth in the end : ($18,100 x 13.6%) x 4 = $ 9,849.4

Step-by-step explanation:

1 quarter = 3 months => 1 year = 4 quarters

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