Evaluate 2x + xy + 2-3 for x=-9, y=-5, and
z=-3.

Answers

Answer 1
Hi! Keep in mind there is no z in the equation so the question might trick you!

The answer is 26

Here is the process:

1. Replace the variables with the numbers they gave you.

2(-9)+ (-9)(-5)+ 2-3

2. Next evaluate it. I got 45 because a negative multiplied by a negative makes a positive.

* PEMDAS states you addition and then subtraction but it could vary based on the equation.

In this equation you have to do addition first.

-18+ 45+2-3

27+2-3

29-3

26

I hope this helps! Have a great day :)

Related Questions

How does the 2 in the hundredths place compare to the 2 in the thousandths place?

Answers

Answer:

2 in the hundredths place is greater

Step-by-step explanation:

2 in the hundredths place is 10 times the thousands place

Add then divide.
Evaluate
(7.3 X 10^6) + (2.4 X 10^7)
(4 X 10^4)

Answers

Answer:

Step-by-step explanation:

(7.3 X 10^6) + (2.4 X 10^7)

= 31.3 × 10^6

or 3.13 × 10^7

(4 X 10^4)/ (31.3×10^7)

=1.28 × 10^-3

4 questions, if you dont know all of them please just help with at least 1. i have crossed out the ones i dont need help with. help me for brainliest <3

Answers

Answer:

the part you crossed out makes it look like a person's eyes and eye brows lol

Step-by-step explanation:

John is gliding along on his scooter at a speed of 2.8 m/s when
suddenly he collides with Sam who is walking around the corner. If
John is brought to rest in 0.15 s, what is his acceleration?

Answers

Answer:

18.67 m/s²

Step-by-step explanation:

a = ∆v/ t

a= v - u/t

a = 2.8 - 0 / 0.15

a = 2.8 / 0.15

a = 18.67 m/s²

find the zero of the function f(x) =-3x + 1

Answers

To find the zero of a function, we have to set f(x) equal to 0

0 = -3x + 1

Subtract 1 from both sides.

-1 = -3x

Divide both sides by -3

1/3 = x

Find two rational number and two irrational number between 1 /3 and 1 / 4

Answers

Answer:

Step-by-step explanation:

1/3 and 1/4

LCM=12

1/3*4/4 and 1/4*3/3

4/12 and 3/12

4/12*10/10 and 3/12*10/10

40/120 and 20/120

=33/130,38/120.............etc

Is Shoreline at the beach is changing -5 centimeters each year due to wind and water erosion what is the change in the shoreline of the next seven years

Answers

Answer:

-35 centimeters of erosion

Step-by-step explanation:

Cookie the dog is getting ready to go on a trip to Mexico. In Texas, she weighs 35 pounds. If someone were to weigh her in Mexico, how many kilograms would she weigh? There are approximately 0.45 kilograms in 1 pound.
I need help

Answers

Answer: 15.876kg

Step-by-step explanation:

Please help me with this is so important

Answers

Step-by-step explanation:

78 + 119 + 105 + (180 - x) = 360

482 - x = 360

482 - 360 = x

122 = x

x = 122°

Answer:

it is trapezium and all angles value is 360 degree and three angles values are given then let unknown angle be y and add three angles then subtract value from 360 degree then add the value with x and subtract that value from 180 degree

Two adults and two children plan to travel round trip from Anchorage to Fairbanks. How much will the trip cost in the summer?

Answers

is thats all or did you miss anything?

In math i kind of need to know if a whole number is greater then a whole number and decimal.Example:7.5 and 7. Witch one is greater and how do i find out witch one is bigger

Answers

Answer:

7.5

Step-by-step explanation:

It is greater because it is closer to 8.

1/3(1 - 1/4) to the second power?

Answers

Answer:

0.1875

Step-by-step explanation:

82161616-61 is the egagbwba

what is S? (Algebra)

s - (-33) = 588​

Answers

S = 555 I think I’m not 100% sure

Answer:

s=555

Step-by-step explanation:

4225x^4-130x^2-3+36y^2-81y^4

Answers

Answer:

=4225x4−81y4−130x2+36y2−3

Step-by-step explanation:

please idk the answer asap ;((

Answers

Answer:

6.4 I think

Step-by-step explanation:

distance formula

Can someone help me wit my exam right now im in 9th grade and it’s a multi poll chose questions

Graph y=-2x+5 only please help quickly
I’ll give brainliest to the quickest person

Answers

Answer:Slope:  − 2 y-intercept:  ( 0 , 5)x 0 5/2 y 5,0

Step-by-step explanation:

Solve the following expression. d=5 2d+4d-9-7

Answers

Answer:

14

Step-by-step explanation:

[tex]2d+4d-9-7\\\\d =5[/tex]

Substitute ; d= 5 into the given equation

[tex]2(5)+4(5) -9-7\\\\Follow\:the\:PEMDAS\:order\:of\:operations\\\\10 +20 -9-7\\\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:\:\\\\10+20 =30\\\\=30-9-7\\\\30-9=21\\\\=21-7\\\\21-7\\=14[/tex]

The value of the expression 2d + 4d - 9 - 7 is 14 if the value of d is 5 after plugging d = 5 in the equation.

What is an expression?

It is defined as the combination of constants and variables with mathematical operators.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

It is given that:

The expression:

= 2d + 4d - 9 - 7

Plug d = 5 in the above expression:

= 2(5) + 4(5)- 9 - 7

The arithmetic operation can be defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.

= 10 + 20 - 9 -7

= 30 - 16

= 14

Thus, the value of the expression 2d + 4d - 9 - 7 is 14 if the value of d is 5 after plugging d = 5 in the equation.

Learn more about the expression here:

brainly.com/question/14083225

#SPJ2

Iola has $75. She buys a pair of shoes on sale for one-half off and a pair of socks for $6. She has $32 left. Which equation can be used to find x, the regular price of the shoes?

Answers

Answer:

To solve for the problem above, let x be the regular price of the shoe.

1/2x is the one-half price of the shoe then we add 6 for the pair of socks,

1/2x + 6, then lola has 32 left so we add that too, 1/2x + 6 + 32 = 75. The total amount of lola spent is 75 - 32, which is 1/2x + 6.

Step-by-step explanation:

8=16+(y-1)
how do i solve this?

Answers

Answer:

y=-7 :)

Step-by-step explanation:

remove the parentheses

8=16+y-1

subtract the numbers

8=15+y

move variable to the left-hand side and change it's sign

-y=15-8

subtract the numbers

-y=7

change the sides on both sides of the equation

y=-7

hope it help <3

Answer:

y=2

Step-by-step explanation:

8= 16y + 16

16-8= 16y

8= 16y

y= 2

4) From whose point of view is the story written? Give an example from the story to support your answer? *

Answers

i believe this is 1st person

Ann and Zoe love ice cream with cherries on top. Ann put 4 cherries on hers. Ann had 2 fewer cherries
than Zoe.
How many cherries did Zoe have?
cherries

Answers

Answer:

Zoe has 6 cherries

Answer:

6

Step-by-step explanation:

if Ann had 4 cherries on her Ice Cream and it says that Ann had 2 fewer that Zoe. So Zoe should have 6 cherries.

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

It says to solve for z, but don’t know how to.
Z-7x(-2)=-6

Answers

Answer:

z = - 6 - 14x

Step-by-step explanation:

Given

z - 7x(- 2) = - 6 , that is

z + 14x = - 6 ( subtract 14x from both sides )

z = - 6 - 14x

You want to leave a nice tip on a $36 meal. So you decide to add 20% to the bill. How much is the total bill?

Answers

Answer:

43.20

Step-by-step explanation:

First find the tip

36 * 20 %

36 * .2

7.20

Then add the tip to the amount of the meal

36+7.20

43.20

You went to have a meal which costs $36, and maybe becoming very delighted with the taste and service of the food centre, you decided to add a tip.

[tex]20\%[/tex] of the total meal.

So, First we need to find the tip by multiplying the percentage with the cost of meal

Tip:

[tex]20\% \: of \: 36[/tex]

[tex] \frac{20}{100} \times 36[/tex]

[tex] \frac{1}{5} \times 36[/tex]

[tex]7.2[/tex]

Now, we have got the amount of money we decided to give as a tip. And, we are already having the cost of meal. So, total money paid:

[tex]36 + 7.2[/tex]

[tex] \boxed{ 43.2}[/tex]

This is our required answer.

#CarryOnLearning

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ariel Is making bracelets to sell at the stand during her school fall festival. she bought 15 1/6 and long and a 12 1/3. if each bracelet requires 1/2 of a foot of a string how many bracelets can aerial make​

Answers

Number of bracelets she can make from 15 1/6 = 91/6 foot of string is :

[tex]n_1=\dfrac{\dfrac{91}{6}}{\dfrac{1}{2}}\\\\n_1=30.33[/tex]

So, number of bracelets from 15 1/6 foot string are 30.

Now,

Number of bracelets she can make from 12 1/3 = 35/3 foot of string is :

[tex]n_2=\dfrac{\dfrac{35}{3}}{\dfrac{1}{2}}\\\\n_2=23.33[/tex]

Number of bracelets from 12 1/3 foot string are 23.

Therefore, total number of bracelets she can make is 23 + 30 = 53.

Hence, this is the required solution.


this is integrated math2, i’m so confused what does it mean and what is the answer help please (this is the last one lol sorry)

Answers

3x +2x+ 1+ x+ 5= 180

What is the area of a square in terms of x & y, if one side is 2x-y?

Answers

Answer:  (2x-y)^2

Step-by-step explanation:

The area of a square is given by the formula A = s^2.  

We know that the length of one side is s = 2x-y.  We can substitute this into our area equation:

A = (2x-y)^2

If you need to multiply out the answer:

A = (2x-y)(2x-y)

A = 4x^2-4xy+y^2

your cell phone plan cost $39.99 per month plus $0.13 for each text message you send or receive. you have a most $46 to spend on your cell phone bill. what is the maximum number of text messages that you can send or receive next month?​

Answers

Answer:

55.87

Step-by-step explanation:

Answer:

46 messages.

Step-by-step explanation:

The top got cut off a bit, it says "Make the same/similar inequality as the other problem:"

What graph is a function of x

Answers

Show me the picture for I can help u

I'VE ASKED THIS ONE EARLIER BUT NOBODY ANSWERED Point D is in the interior of \small \angle ABC, \small m\angle ABC=20x-15, \small m\angle ABD=6x-5, and \small m\angle DBC=x+16. What is \small m\angle ABD? \small m\angle ABD= degrees

Answers

Answer:

Step-by-step explanation:

Since, Point D is in the interior of angle ABC.

Therefore,

[tex]m\angle ABC = m\angle ABD + m\angle DBC\\

20x - 15 = 6x - 5 + x + 16\\

20x - 15 = 7x + 11\\

20x - 7x = 11+15\\

13x = 26 \\ x = \frac{26}{13} \\ x = 2 \\ \\ m\angle ABD = (6x - 5) \degree \\ m\angle ABD = (6 \times 2 - 5) \degree\\ m\angle ABD = (12 - 5) \degree \\ \huge \red{ \boxed{ m\angle ABD = 7\degree}}[/tex]

I hope this will help. If you have questions just message me

0.147 as a fraction please?

Answers

Answer:

3/20

Step-by-step explanation:

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