Mathematics High School

Select all the sets of numbers that are possible values for x in the inequality, x<-3.

{5,7,9}

{-9, -7, -5}

{-33, -22, -11}

{-5,0,5}

Answers

Answer 1

Answer: 2 and 3

Step-by-step explanation:

all (-9,-7,-5) and (-33,-22,-11) are negative numbers less than -3. So those answers are possible answers. ps i had this question on my test too.

Related Questions

My friend needs some help

Answers

Answer: 6 Gallons per minute

Step-by-step explanation: 42 divided by 7 will get you 6

Answer:

6 gallons/minute

Step-by-step explanation:

42 gallons/7 minutes

= 6 gallons/minute

please helpp don’t know how to solve

Answers

Answer:

65 cm

Step-by-step explanation:

Hey There!

So the congruency statement ABC = TUV

states that side AB = side TU side BC  = side UV and side CA = side VT

The given side lengths are BC and UV which are congruent to each other so we set up an equation to solve for x

7x+2=6x+11

step 1 subtract 2 from each side

2-2 cancels out

11-2=9

Now we have

7x=6x+9

step 2

subtract 6x from each side

7x-6x=x

6x-6x cancels out

now we have 9=x so x=9

Now we just plug in 9 to x in (6x+11)

to find the length of the given side length

6x9=54

54+11=65

Because side VU and side BC are congruent they both equal 65 cm

So we can conclude that the length of the given sides is 65 cm

The1AndOnlyMarkus

a ratio of 10 to 2 is the same as A 8/2 B 8/10 C 12/8 D 5/1​

Answers

Answer:

D. 5/1

Step-by-step explanation:

10/2 = 5

5/1 = 5

I hope this helps :)

Solve 2(x+3)=x-4
What is x?

Answers

Answer:

x=-10

Step-by-step explanation:

[tex]2(x+3)=x-4[/tex]

distributive property on left side:

[tex]2x+6=x-4[/tex]

subtract x from both sides

[tex]x+6=-4[/tex]

subtract 6 from both sides

[tex]x=-10[/tex]

Answer:

-10

Step-by-step explanation:

2(x+3)=x-4

Distribute (multiply everything in parenthesis):

2x+6=x-4

Subtract -x from both sides

X+6=-4

Subtract 6 from from both sides:

X=-10

given the expression -x^2-6x+7,when expressed in form a(x+h)^2+k, the value of k is?​

Answers

Answer: k = 16

Step-by-step explanation:

The equation is written in the form:

y = ax^2 + bx + c

y = -x^2 - 6x + 7

y = a(x - h)^2 + k where (h, k) is the vertex

a = -1 (from the original equation)

h = -b/2a (this is the equation for the line of symmetry or the x-value of the vertex)

h = -(-6)/2(-1) = 6/-2 = -3

when x = -3, y = ?

y = -(-3)^2 - 6(-3) + 7

y = -(9) + 18 + 7

y = -9 + 18 + 7

y = 16

(-3, 16) is the vertex

Since k is the y-value of the vertex, k = 16

I'll just take it a step further and write the whole equation:

Substitute all the values we found

-1(x +3)^2 + 16

-(x + 3)^2 + 16

Billy is 80 feet from the base of a building. The angle of elevation to the top of the building is 35 degrees. If the distance from Billy's eyes to the ground is 5 feet, how tall is the building?

Answers

Answer:

61 ft

Step-by-step explanation:

The detailed step by step solution has been attached in pen and paper format. Feel free to ask any doubt.

The height of a right cone is 3 inches shorter than the radius. What is the height of the cone if the volume is 17 cubic inches?
a. 3.454 inches
b. 4.01 inches
c. 7.01 inches
d. 1.01 inches

Answers

Answer:

1.03 inches

Step-by-step explanation:

Volume of a come = 1/3πr²h

If the height of a right cone is 3 inches shorter than the radius, then;

h = r - 3

Substitute

V = 1/3πr²(r-3)

Given that V = 17in^3

17 = 1/3πr²(r-3)

17*3 = 3.14r²(r-3)

51/3.14 = r²(r-3)

16.242 = r²(r-3)

r² = 16.242

r = √16.242

r = 4.03

Since h = r - 3

h = 4.03 - 3

h = 1.03 inches

hence the height is 1.03 inches

Mr. Locke was paid $190 for a job that required 40 hours of work. At this rate, how much would he get paid for a job that requires 60 hours of work?​

Answers

285 dollars for 60 hours of work

A BUSHEL OF APPLES WEIGHS ABOUT 42 POUNDS. THERE ARE 4 PECKS OF BUSHELS. IT TAKES 2 POUNDS OF APPLES TO MAKE ONE PIE. HOW MANY PIES CAN YOU MAKE WITH ONE PECK OF APPLES?

Answers

Answer:

84  pies

Step-by-step explanation:

if you multiply 42 pounds by4 pecks. You get 168 pounds. and then you divide that by 2 and you can make 84 pies

A savings account increases from ​$300 to ​$309. What is the percent increase of the savings​ account?

Answers

Answer:

9 percent

Step-by-step explanation:

Answer:

3%

Step-by-step explanation:

1st Method: Increase Formula = (Last value-first value)/(first value)

Increase = (309-300)/300 = 9/300 = 3/100

= 0.03 or 3%

2nd Method: 309/300 = 103/100 = 1.03 (increase over 1 is 0.03 = 3%

Round the number 78 to the nearest tenth
61
80
16​

Answers

Answer:

The answer is 80

Step-by-step explanation:

78 is closer to 80

Answer:

the answer is 80

Step-by-step explanation:

it will be 80 because 78 is closest to 8

Find the percent change. 150 pounds to 135 pounds.

Answers

Answer:

-10%

Step-by-step explanation:

precent change = 135 - 150

(divide both sides by 150)

precent change = -0.1

(multiply both sides by 100 so change to precent)

precent change = -10%

Answer:

10%

Step-by-step explanation:

Devon wants to build a ramp with the dimensions shown. How much wood does he need?
470 in.2
560 in.2
568 in.2
680 in.2
I WILL MARK BRAINLIEST ANSWER WITH STEPS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

680 in^2

Step-by-step explanation: (find the surface area)

2(8 x 15 x 1/2) = 120

8 x 14 = 112

17 x 14 = 238

15 x 14 = 210

Answer:

This ain't an answer, the other guy is right I'm just putting this here so he can get brainliest

Step-by-step explanation:

Find the point(s) of intersection, if any, between the circle and line with the equations given

Answers

Answer:

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

so the two points of intersection will be (1,3) and (-4,-2)

hope this helps!

If a = 12 in and b = 25 in, what is the area of the pencil? A. 372 in2 B. 169 in2 C. 322 in2 D. 444 in2

Answers

Answer:

1169 in^2 Approx

Step-by-step explanation:

Given data

We know that the shape of the pencil is cylindrical

Hence the dimension is

Diameter= 12in

Radius= 12/2= 6in

Height= 25in

The surface area of a cylinder is given as

T.S.A.=2πrh+2πr^2

Substitute

T.S.A.=2*3.142*6*25+2*3.142*6^2

T.S.A.=942.6+226.224

T.S.A=1168.824

Hence the area is 1169 in^2 Approx

Please give me the correct answer.ACE,Moderator,Genius,and Expert please help me.​

Answers

Answer:

Initial value is (0 , 24) or just y = 24

Step-by-step explanation:

Initial value of a linear function is the y intercept

y = -3x + 24

x = 0, y = 24

Dale runs 10 miles in 75 minutes. At the same rate, how many miles would he run in 69 minutes?

Answers

Answer: 9.2 miles

Step-by-step explanation:

Answer: 9.2 miles

Step-by-step explanation:  hope this helps you!

John bought a crate of floor tiles $100. The crate had 5 boxes of floor tiles. Each box contained 40 floor tiles. Write an equation to determine the cost per box, b.
Enter the equation like this
___=___ ___
Please help, I will give you brainly

Answers

Answer: 5X +40 = 100

Step-by-step explanation:

Jameson pays $39.90 for 3.8 pounds of almonds. What is the price per pound of almonds?

Answers

Step-by-step explanation: The price of3.8 pounds of almonds=$39.90 thus we can write Hence the price of almonds is $10.50 per pounds.

AWNSERS:$10.50

Answer:

Step-by-step explanation: 39.90 x 3.8 = 151.62

Given f(x) = 2x^3+ 9x + k, and x + 1 is a factor of f(x), then what is the value of k?

Answers

Answer:

11

Step-by-step explanation:

to understand thisyou need to know about:factor theoremtips and formulas:if f(c)=0 then x-c is a factor of f(x)let's solve:

according to the question

2(-1)³+9(-1)+k=0

=>2(-1)+9(-1)+k=0

=>-2-9+k=0

=>-11+k

therefore

k=11

What are the next three terms in the sequence 90, 84, 78,
72, ...?

Answers

Answer:

68, 62, 56

Step-by-step explanation:

Hope this helps :)

Answer:

after 72 its...

Step-by-step explanation:

66 , 60 , 54 ...

you are simply just subtracting 6 from every number.

3. Is this data linear or nonlinear? Explain how you know.*

Answers

Answer:

Non-linear

Step-by-step explanation:

Not consistently increasing

Which measure describes how much a sample mean varies when different samples are chosen?

A.
sample mean
B.
confidence interval
C.
standard error of the mean
D.
population mean

Answers

Answer: The answer is B

If ∠2 and ∠3 are complementary angles and m∠2 = 24°, find m∠3.

Answers

Answer:

sorry dont know

Step-by-step explanation:

Answer:

yessadadasdadada

Step-by-step explanation:

Which expression is equivalent to 46 - 2x)?

A) 24-8x

B) 24-6x

C) 10-8x

D) 10-6x

Answers

Answer:

24-8x

Step-by-step explanation:

Answer:jghgghfgfhgfhghfj

Step-by-step explanation:

Ten years ago, Rapunzel's hair was 19 cm long. Now her hair is 20,193 cm long.
Approximately how many times as long is Rapunzel's hair now as it was ten years ago?​

Answers

1065 times it has been doubled

Answer:

1065. 1 * 10^3

Step-by-step explanation:

1 *10^3 = 1000Their wanting the Approximation

Someone help with the second question

Pleaseeeee

Answers

Answer:

Answer shown above.

Have a good day

Find the missing measurements of the right triangle. Round your answers to the
nearest tenth if necessary.
You can use the calculator below!

Answers

Answer:

m∠B = 63°

AB = 26.4

AC = 23.6

Step-by-step explanation:

m∠B = 90 - 27 = 63°

Sin 27 = 12/AB

AB (sin 27) = 12

AB = 12/sin 27 = 26.4

Tan 27 = 12/AC

AC (tan 27) = 12

AC = 12/tan 27 = 23.6

ayudaaaa por favor es urgente​

Answers

Answer:

use trig

Step-by-step explanation:

sin(15) = 100/x

x = 100/sin(15)

use calculator

4- 6x= -44
4+ x = -2

Answers

Answer:

the first x=8 and the second x=-6

Step-by-step explanation:

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