The difference of 10x and 3x is less than or equal to the sum of 4x and 21.

Answers

Answer 1

Answer:

«means less than or equal to

x«7

Step-by-step explanation:

10x-3x«4x+21

7x«4x+21

7x-4x«21

3x«21

divide both sides by 3

x«21/3

3 will divide 21, 7times

x«7


Related Questions

Use the distributive property to remove the parentheses. -5(-6y - 3w + 2)

Answers

Answer:

−5(−6y−3w+2)

=(−5)(−6y+−3w+2)

=(−5)(−6y)+(−5)(−3w)+(−5)(2)

=30y+15w−10

=15w+30y−10

Simplify (9.5)(−2)(−5). (1 point)

Answers

Answer:

95

Step-by-step explanation:

I hope this help

(-19)×(-5)

Will give crown help

Answers

Answer:

D is a right angle

B is an accute angle

A and C are obtuse

What is the distance between points A (-2, 1) and B (2, 4)?​

Answers

Answer:

5

Step-by-step explanation:

A(-2 , 1)   ; B(2 , 4)

[tex]Distance = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\\\\[/tex]

              [tex]= \sqrt{(2-[-2])^{2}+(4-1)^{2}}\\\\= \sqrt{(2+2)^{2}+(4-1)^{2}}\\\\= \sqrt{(4)^{2}+(3)^{2}}\\\\= \sqrt{16+9}\\\\= \sqrt{25}\\\\= \sqrt{5*5}\\\\= 5[/tex]

What is the value of the expression

s(8-2)/t

when s=0.5 and t= 2

A 0.5
B 1
C 1.5
D 2

Answers

Answer:

C. 1.5

Step-by-step explanation:

replace the values in the equation with the values given.

Answer:

I think it will be C. 1.5

Please answer, fifteen pts!

8x -4 < -36.

Please explain/show work!

Answers

8x - 4 < -36 <=>

8x < -36 + 4 <=>

8x < -32 <=>

x < -32/8 <=>

x < -4

Which is the graph of the linear equation 3x + 2y = 6?

Answers

Answer:

I think it would have to be the last one please tell me if i am right

Step-by-step explanation:

Answer:

It's the graph in the middle, just did it on edge

Step-by-step explanation:

Hi! Please help me solve this:

How did the temperature change if:
at first it decreased by 10% and then by 30%?
(I need the percent value)

Answers

Answer

by 20%????

Step-by-step explanation:

PLEASE HELP!! WILL GIVE BRAINLIEST PLUS 30 POINTS IF CORRECT!!

Answers

If I’m assuming that symbol next to the C at the end of the question means C mirrored the the answer would be (3,1) but I’m not quite sure what it means

What is the sum of the complex numbers 3 − 4i and 5 + 3i ?

Answers

Answer:

8 - i

General Formulas and Concepts:

Algebra I

Combining Like Terms

Algebra II

Standard Form: a + bi

Step-by-step explanation:

Step 1: Define

(3 - 4i) + (5 + 3i)

Step 2: Simplify

Combine like terms (Z):                    8 - 4i + 3iCombine like terms (i):                      8 - i

-2g+1.5=17.3 My math final has this, my answer isn’t on my screen. Starting to think i dont know how to do math.

Answers

Answer:

Original: -2g + 1.5 = 17.3

Solving:

-2g = 15.8

-g = 7.9

Answer:

g = -7.9

And don`t worry I only know how to do this because I remember it from a few years ago. I`m not even caught up in my own math class ;--;

Hope that helps


PLS HELP TON OF POINTS AND BRAINLIEST

Answers

Answer:

sss axiom

Step-by-step explanation:

Answer:

wa pow

Step-by-step explanation:

A student places a mirror on the ground between herself and the tree so that she can see the top of the
tree in the middle of the mirror. Are the two trangles formed, similar? If yes, what is the height of the
tree? (GSRT 5)
A}Yes, 10 ft.
B) Yes, 12 ft.
Yes, IA ft
6 ft
Dj No, the trangles are not similar
16 ft
8t

Answers

Answer:

i think its a

Step-by-step explanation:

Plz help me with this and with an explanation and I’ll give brainliest

Answers

Answer: Your answer would be -8

Step-by-step explanation:

You have to divide each side by factors that doesn't contain the variable.

Hope this helped you! <3

why is b the answer ???????????????????/

Answers

Answer:

Step-by-step explanation:

its b cuz when u replace any value of x from B to the equation, the value of y satisfies the values of y in B. For instance

y = 4 * -3 + 2

= -10

the value of y is -10 which satisfies the value of y in B but when u use a value of another table suppose A it would be,

y = 4 * 7 + 2

= 30

but the value y corresponding to the value of x we used is not 30

HOPE IT HELPED

Graph each function. State the domain and range.

f(x)={(-x-2 if x>0),(-x if x<=0):}

Please help me will give brainillest is work is shown. thank you !!!

Answers

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

For values of x less than zero, the graph of the function is a graph of the line

  y = -x

Because the function is defined by this expression at x=0, there will be a solid dot at the end of the line there, at (0, 0).

__

For values of x greater than 0, the graph of the function is a graph of the line

  y = -x -2

This line has the same -1 slope as before, but has a y-intercept of -2. The function is not actually defined as (0, -2), so there is an open circle at the end of the line there.

7 × (-5) is equivalent to?
2
-35
35
-12

Answers

Answer:-35

Step-by-step explanation: 7x5 = 35, but since the 5 is a negative it’s -35

Answer:

-35

Step-by-step explanation:

whenever multiplying positive and negative integers, if one of the factors are negative, then the answer will be negative. if both are negative, the answer becomes a positive, and if both are positive, the answers stays positive.

in this case 7 is positive and 5 is negative so  your anwers is -35

hope i helped!

:)

Karen purchased a prepaid phone card for $15. Long-distance calls cost 19 cents a minute using this card. Karen used her card only once to make a long-distance call. If the remaining credit on her card is $12.91, how many minutes did her call last?

Answers

Answer:

I am pretty sure the answer is 11 minutes and the cost was $2.09

Step-by-step explanation:

Ihope this helps you:)

Step-by-step explanation:

Ok so we start with $15 now the remaining amount is $12.91, so let's substract

15.00 - 12.91 = 2.09

Alright now I must work with this number, since every minute used on the call is 19 cents, i must divide 2.09 to see how many 19 cents fit into this number

2.09 / 0.19 = 11

So she lasted talking or in this call 11 minutes....

I hope this helps!

question is attached!​

Answers

y=x-5
inverse means swapping x and y
x=y-5
y=x+5
Therefore inverse function is y=x+5

What is the value of a in the equation 3 a plus b equals 54, when b equals 9?

15
18
21
27

Answers

3a+9=54

54-9=45

45 / 3=15

Answer:15

Answer:

15

Step-by-step explanation:

3a+b=54

3a+9=54

3a=45

a=15

Find the monthly finance charge for an average daily balance of $145.59 and annual percentage rate of 24%
a. $29.11
b. $291.18
c. $2.91
d. $34.94

Answers

Answer:

d. $34.94

Step-by-step explanation:

the monthly finance charge = (24 * 145.59) /100 = $34.94

Round to the nearest whole number
74.64

Answers

75 is the answer since the 6 is above 5.

2 5/6 years is how many months

Answers

2 5/6 years Is 34 months

Final Answer: 34 months

Steps/Reasons/Explanation:

Hey there! Each year is 12 months. We can see that 2 years is already given. 2 years × 12 months = 24 months.

For [tex]\frac{5}{6}[/tex] we will multiply it by two to find the remaining amount of months. [tex]\frac{5}{6}[/tex] × [tex]2[/tex] = [tex]\frac{10}{12}[/tex]. This means that there is an extra 10 months of a year remaining.

Now we have to add them up. 24 months + 10 months = 34 months.

~I hope I helped you :)~

Find the volume of a right circular cone that has a height of 17 m and a base with a circumference of 6.3 m.

Answers

Answer:

The volume of the right circular cone is approximately 17.9 m³

Step-by-step explanation:

The given parameters of the cone are;

Height = 17 m

Circumference of the base, C = 6.3 m

The circumference, C, of a circle is given by the formula, C = 2×π×r

Therefore, we have;

C = 6.3 m = 2×π×r

r = 6.3/(2 × π) ≈ 1.002676

The volume, V, of a cone is given by the following formula;

[tex]V = \dfrac{1}{3} \times \pi \times r^2 \times h[/tex]

Where;

r = The radius of the base ≈ 1.002676

h = The height of the cone = 17 m

[tex]V = \dfrac{1}{3} \times \pi \times 1.002676^2 \times 17[/tex]

V = 1/3 × π × (1.002676 m)² × 17 m ≈ 17.89776 m³ which by rounding up to one decimal place is 17.9 m³

The volume of the right circular cone, V ≈ 17.9 m³.

Dndbksndbdkwkdbdkdndnfbbdjff

Answers

Answer:

The third Number line = C

P = - 1 ; Q = 7

Step-by-step explanation:

P = - 1 ; as the tick marks are 1 unit apart ; hence the point P is located either side of - 2 and 0 ; therefore, the point Q is either :

(-2 + 1) = - 1 or (0 - 1) = - 1

Q = 7 ; Q is position on between 6 and 8 ; therefore, the number which falls in the middle of both numbers is 7.

Answer:

C. the third one

Step-by-step explanation:

have nice day

Enter a range of values for x.

Answers

Can you give a picture of whatever your asking ?

Factor completely −5x3 + 10x2.
Prime
−x(5x2 − 10x)
5x(−x2 + 2x)
−5x2(x − 2)

Answers

Answer:

-5x³ + 10x² = -5x²(x - 2)

Step-by-step explanation:

Answer:

-5x³ + 10x² = -5x²(x - 2)

Step-by-step explanation:

this is right i fact checked it

happy trails

Question 2 of 20
Which of the following is the range of the function based on the input-output
table below?
Hours
of training
5
10
15
Pay
per month
1100
1200
1300
20
1400
25
1500
30
1600
1700
35
A. (1100, 1200, 1300, 1400, 1500, 1600, 1700}
B. 1700, 35,1600, 30, 1500,25)
C. (5.10, 15, 20, 25, 30, 35)
D. (5, 1100, 15.1200, 25, 1300)

Answers

Given:

The function on the Input output table.

To find:

The range of the given function.

Solution:

We know that, range is the set of output values.

From the given table it is clear that, hours of training is the input variable and pay per month is the output value.

So, range of the given function is the set of pay per month.

Range = {1100, 1200, 1300, 1400, 1500, 1600, 1700}

Therefore, the correct option is A.

Is a software salesmanLet y represent his total say in )Let the of copies of History is sellsSuppose and y are related by the equation y = 2200 + 70x Answer the questions below. Note that a change can be an increase or decrease . For

Answers

Answer:

The answer is "70  and 2200".

Step-by-step explanation:

Please find the complete question in the attached file.

The total payment  = y

The number of copies to be sold = x

[tex]\to y = 70x + 2200[/tex]

In part (a):

Change of pay = discrepancies between (x+1) sale and (x) sale of copies for every copy sold

[tex]=[70(x+1) + 2200] - [70x + 2200] \\\\= 70x + 70 + 2200 - 70x - 2200\\\\= 70\\\\[/tex]

In part (b) :

[tex]\to y = 70x+ 2200[/tex]

when [tex]x = 0[/tex]

[tex]\to y = 70(0) + 2200\\\\[/tex]

       [tex]=0+2200\\\\=2200[/tex]

What is the length of BC, given that figure ABCD is a rectangle?
PLZ Help

Answers

The answer is B) 18:) hope this helps
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