the sum of a number and nine is multiplied by-2 and the answer is -8. Find the number​

Answers

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

let number be x

-2(x+9)= -8

-2x -9= -8

-2x = -8+9

-2x= 1

x= -1/2


Related Questions

2,87 × 30 com cálculo

Answers

Answer:

86.1 I believe because I'm assuming you meant 2.87

Plz answer I really need help
You are pulling up an anchor while on a boat. You pull up the anchor at a rate of 0.5 feet per second. After 6 seconds, the anchor is 8 feet from your hands. Write an equation that represents the distance y (in feet) that the anchor is from your hands after x seconds. Then graph the equation.

Answers

Answer:

y = 0.5x + 11

Step-by-step explanation:

rate = 0.5ft per second

rate = m

(0.5)(6) + 8 = b

3 + 8 = 11

b = 11

y = mx + b

y = 0.5x + 11

Volume of cone round to the nearest 10th

Answers

Answer:

117 cubic feet.

Step-by-step explanation:

volume of a cone is found by doing radius times pi times height. so we would do 4 times 7 times 3.14 for pi and get 117.29

Pregunta 7 (1 punto)
The expression is given in standard form. Rewrite it in factored form. If it cannot be rewritten in factored
form, write "cannot be done."
x² +9

Answers

1123737372 that is the correct


A right triangle has a leg of 11 and a hypotenuse of 16. Find the missing leg (in simplest radical form)

Answers

Answer:

11.6

Step-by-step explanation:

a^2 + b^2 = C^2

121 + b^2=  256

b^2 = 135

b = 11.6

Need help with this question.

Answers

Dddddddddddddddddddddd

PLEASE HELP ME, IM TIMED, ILL GIVE BRAINLIEST AND 50 POINTS

Answers

i can't see the 4th option but from what i can see, i'd say 20 (b).

i didn't do math for this, i just used context clues.

the hypotenuse is always longer than either of the sides, so if the hypotenuse is 29, then the only logical solution is 20 feet. every other option is >29.

Answer:

Hello! answer: 20 feet

Step-by-step explanation:

29 × 29 = 841 21 × 21 = 441 841 - 441 = 400 √400 = 20 20 × 20 = 400 therefore 20 is the answer Hope that helps!

Find the midpoint of the segment with endpoints (8, 10) and (5, 2).

Answers

Answer:

midpoint is at (6.5, 6) im pretty sure, im sorry if im wrong

Step-by-step explanation:

Midpoint = X1 + X2/2 , Y1 + Y2/2
= 8+5/2 , 10+2/2
= 13/2 , 12/2
= 6.5 , 6
Midpoint of segment = (6.5,6)

help pleaseeeeeee... !!

Answers

Answer:

The sandwiches would cost $9

Answer:

according to the figure when we see coordinate axis then cost of 3 sandwiches is ₹9

Help me ASAP and show me how you got your answer

Answers

Answer:

= 2 7/12

Step-by-step explanation:

We solve the above question using the operation of addition.

2 1/3 + 1/4

Lowest common denominator = 12

2 + ( 1/3 + 1/4)

2 + (4 × 1 + 3 × 1/12)

2 + (7/12)

= 2 7/12

What is the solution to this system of equations?
y = x +4
x+y= 2

Answers

Answer:

x = -1   y = 3

Step-by-step explanation:

x + (x + 4) = 2

x + x + 4 = 2

2x = -2

x = -1

y = -1 + 4

y = 3

Answer:

y = 3

x = - 1

Step-by-step explanation:

x + y + x + 4 = y + 2

x + y - y + x + 4 = y - y + 2

x + x + 4 = 2

2x + 4 = 2

2x + 4 - 4 = 2 - 4

2x = - 2

2x ÷ 2 = - 2 ÷ 2

x = - 1

y = x + 4

y = - 1 + 4

y = 3

what is 25÷56÷44= i do not know what im doing i need help

Answers

Answer:

Your answer should be .0101461039

Step-by-step explanation:

PEMDAS is all you need to figure this one out. The rule is if you have the same thing needed to be done to the numbers such as: 3+3+3 or 3-3-3 or 3*3*3 you just do them from left to right. The same goes here.

25/56/44

first we do 25/56 = .4464285714

.4464285714/44 = .0101461039

then you just divide by 44

Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet. Approximately how many square feet of wall will the circle cover? Use 3.14 for π and round to the nearest hundredth. How much area will he cover if he painted a circle on three walls?

Answers

Answer:

a) 50.24 ft²

b) 150.72 ft²

Step-by-step explanation:

Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet.

The distance across a circle is also called a diameter, Hence,

D = Diameter = 8 ft

The Area of a circle = πr²

r = Diameter/2 = 8ft/2 = 4ft

π = 3.14

Hence,

The Area of the circle = π × (4 ft)²

= 50.24 ft²

a) Approximately the amount of wall the circle will cover is 50.24 ft².

b) How much area will he cover if he painted a circle on three walls?

This is calculated as:

1 wall = 50.24 ft²

3 walls = x

Cross Multiply

x = 3 × 50.24 ft²

x = 150.72 ft²

please I NEED HELP thank u, if u want to spam my answer then I will report u thank u.

Answers

a- 354.3
b- 1350
c- 553

pls help me!!!!!!!!!

Answers

Answer 403???? Probs

What Percent Of the Whole is shaded?

Answers

Answer:

70%

Step-by-step explanation:

there is 10 and 7 of them are filled which is 7/10 since we are dealing with percentages we need the bottom to be 100 so 70/100 or 70%

- Gage Millar, Algebra 2 tutor

Answer:

Below

Step-by-step explanation:

I would say 70%

It is split up into 10 parts, 7 are shaded,

7 to 10 would be as 70% is to 100%

Find the unknown angle measure

Answers

Answer:

angle P=38°

angle Q = 38° [ Because this traingle is a isosceles triangle]

Step-by-step explanation:

This is just a guess I haven't done this in a long time

Take the Initial Angle ( 164 degrees )

subtract that from 180

you get 16

since the two unknown angles are parallel they are going to have the same angle

since there are two you divide 16 by 2

each angle is 8 degrees

Find the measure of

Answers

Answer:

v=y=28°,w=x=152°( both are vertically opposite angles)

Nina purchased 4 pounds of strawberries for a total of $6.40.How much did she pay for one pound of strawberries?

Answers

Answer:

1.6$

Step-by-step explanation:

6.4/4=1.6

y’all please help me i’ll give brainlest i just wanna pass

Answers

the answer would be a

please help! picture attached

Answers

Answer:

you on iready?

Step-by-step explanation:

Answer:

Can you reattac the picture because I can’t see it then I will be able to help u

Step-by-step explanation:

What is the measure of ZA?
A [?] degrees
87°
35
B
Enter

Answers

Angle A is 58 degrees.

87 + 35 = 122
180 - 122 = 58

Select the correct answer.

What is the measure of the indicated central angle ?



A.
40°
B.
80°
C.
60°
D.
20°
E.
None of the above

Answers

Answer:

the answer is E. none of the above

Emily is solving the following System of equations using Substitution:

y=3x-4

y=2x+1

Her steps are shown below.

Part A

Click on the first step in which Emily made an error.​

3x-4=2x+1

5x-4=1

5x=5

x=1

y=3(1)-4=3-4=-1

(1,-1)


Part B

Explain what Emily did wrong and then what she should have done to make sure it was the correct answer.

Answers

Answer:

Emily is solving the following system of equations using substitution:

y = 3x - 4

y = 2x + 1

Part A:

After substituting y's values:

3x - 4 = 2x + 1

What she did:

3x - 4 = 2x + 1

3x + 2x - 4 = 1

5x - 4 = 1

What she should have done:

3x - 4 = 2x + 1

3x - 2x - 4 = 1

x - 4 = 1

Part B:

This rule has not been followed: Sign changes when numbers shift from left to right of ' = 'sign.

Emily did not changed the sign of the number, 2x from + 2x to - 2x when it was moved from the right side to the left.

[tex][/tex]

The mean age of 6 women in an office is 24 years old.
The mean age of 9 men in an office is 27 years old.
What is the mean age (nearest year) of all the people in the office?

Answers

The mean age of everyone in the office rounded to the nearest year is 26.

Answer:

26

Step-by-step explanation:

A package if sugar cubes has a length of 7 cm a height 3 cm and a with of 12 cm what is the volume of the pagage

Answers

Answer:

252 cm^3

Step-by-step explanation:

The volume of a rectangular prism is denoted by the formula:

V = lwh

We can substitute in the values to get:

V = 7 x 12 x 3

V = 252 cm^3

Help me please!! I need a good grade

Answers

Answer:

The answer of this question is 8.06 cm.

Step-by-step explanation:

I came to know my answer is correct because hypotenuse is bigger than base and perpendicular in right anhled triangle.

9:14=a:7
Find a pls help me

Answers

9:14 is equivalent to 9/23.

We can set up the following proportion:

9/23=a/7.

Now, we just solve for a by the Cross Product Property.

9(7)=23(a)

Now, just divide by 23 on both sides to isolate “a.”

63/23=23a/23

After simplifying, a=2.739.

Therefore, 9/23=2.739/7

When reduced into decimal form, .391=.391, so we know the proportion is indeed correct.

Drag each sentence to the correct category Determine the type of account that each description applies to. If no deposits or withdrawals are made, money held in this account may increase or decrease. There is no risk of losing any money put in this account. Interest income is the only way to earn money in this type of account. This account may generate income from a variety of sources. into saving account and investment accoun

Answers

Answer:

Savings Account

1) There is no risk of losing any money put in this account

2) Interest income is the only way to earn money in this type of account

Investment Account

1) If no deposit or withdrawals are made, money held in this account may increase or decrease

2) This account may generate income from a variety of sources

Step-by-step explanation:

Question:

The table given in a similar question sourced on the site is presented as follows;

[tex]\left |\begin{array}{ccc}Savings \ Account & \mid &Investment \ Account \\& \mid&\\& \mid&\end{array} \right |[/tex]

The options are;

If no deposit or withdrawals are made, money held in this account may increase or decrease

There is no risk of losing any money put in this account

Interest income is the only way to earn money in this type of account

This account may generate income from a variety of sources

A savings account is a deposit account that bears interest on the amount put in the account. Savings account are insured accounts and are therefore are reliable and safe

An investment account is an account that can hold both cash and other forms of investment that can be bought and sold for financing

Therefore, we get;

Savings Account

1) There is no risk of losing any money put in this account

2) Interest income is the only way to earn money in this type of account

Investment Account

1) If no deposit or withdrawals are made, money held in this account may increase or decrease

2) This account may generate income from a variety of sources.

Answer:

Savings Account

1) There is no risk of losing any money put in this account

2) Interest income is the only way to earn money in this type of account

Investment Account

1) If no deposit or withdrawals are made, money held in this account may increase or decrease

Step-by-step explanation:

Does anybody know the answer?

Answers

Answer:

[tex]first \: 4z \: second \: 11[/tex]

Answer:

=4z+6+5

=4z+11

Try this

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