simplify the expression 8a-2b+4 for the value a=3 and b = -5

Answers

Answer 1

Answer:

38

Step-by-step explanation:

Simply plug in 3 where a is, and -5 where b is as such.

[tex]8(3) - 2(-5) +4[/tex]

[tex]24 + 10 + 4[/tex]

= [tex]38[/tex]

Answer 2

Answer:

38

Step-by-step explanation:

Don't worry this is pretty easy! Simply plug in your given values into the expression. So if a=3 and b=-5, we would put this in the equation.

8(3)-2(-5)+4

24+10+4<--- -2(-5) would be 10 since negatives cancel out. Remember to first to parentheses, then multiply/divide next.

38


Related Questions

a line of slope of a 3/4 and passes through two points (-5,4) which is the equation of the line ​

Answers

Answer:

y=-3/4x+0.5

Step-by-step explanation:

.

Clarissa needs a $2,500 loan in order to buy a car. Which loan option would allow her to pay the least amount of interest?

Answers

Answer:

mortgage

Step-by-step explanation:

are loans distributed by banks to allow consumers to buy homes they can't pay for upfront. A mortgage is tied to your home, meaning you risk foreclosure if you fall behind on payments. Mortgages have among the lowest interest rates of all loans.

Answer:

An 18-month loan with a 4.75% annual simple interest rate

Step-by-step explanation:

Can someone help me

Answers

Answer:

Answer I think 2 is it

...........

What value of c makes the polynomial below a perfect square? X2+5x+C
A. 25/2
B. 25/4
C. 5/4
D. 5/2

Answers

Answer:

I think the answer is c = 25/4

Step-by-step explanation:

PLEASE HELP ANSWER ASAP I WILL BE GIVING BRAINLIEST :)

Answers

Answer:

2,4,6,7

Step-by-step explanation:

can't have the same x value in a function

The functions are:

{(1,3), (3, 7), (5, 11), (7, 15), (9, 19)}{(-2, 4), (-1, 1), (0, 0), (1, 1), (2, 2)}{(6,3), (4, 1), (2, 1), (0, -1), (-2,-3)}

What is Function?

In mathematics, a function is represented as a rule that produces a distinct result for each input x. In mathematics, a function is indicated by a mapping or transformation. Typically, these functions are identified by letters like f, g, and h. The collection of all the values that the function may input while it is defined is known as the domain. The entire set of values that the function's output can produce is referred to as the range. The set of values that could be a function's outputs is known as the co-domain.

Given:

We know that the function are relation when the input values only be distinct and the output values can be different or same.

So, according to that

{(1,3), (3, 7), (5, 11), (7, 15), (9, 19)} is a function.

and, {(1, 3), (1,7), (5, 11), (5, 15), (9, 19)} is not a function.

and, {(-2, 4), (-1, 1), (0, 0), (1, 1), (2, 2)} is a function

and, {(2,4), (1, 1), (0,0), (1,-1), (2,-4)} is not a function.

and, {(6,3), (4, 1), (2, 1), (0, -1), (-2,-3)} is a function.

and, {(1,3), (3,7), (3, 11), (7, 15), (9,19)} is not a function.

and, {(1,3), (3,7), (5, 11), (9, 15), (9,19)} is not a function.

Learn more about function here:

https://brainly.com/question/12431044

#SPJ5

Solve:
m m Fine m Graph is in picture :)

Answers

Answer:

50

Step-by-step explanation:

if you take 138 witch equals the whole angle and subtract the second part of the abngle 88 we get 50 equaling the unknown angle

What is the value of x?
.20
.35
.60
.70

Answers

Answer:

20

Step-by-step explanation:

2x=40 so once you divide both sides by 2 you get x=20

The value of X is 20.

There are 1440 minutes in each day.
Choose the best approximation of the number of minutes in each day.

Answers

Answer:

1 * 10^3

Step-by-step explanation:

1440 can be rounded off to the nearest hundred as 1400.

1440 can be rounded off to the nearest thousand as 1000.

1000 = 1 * 10^3

Graph y
-2x + 5.
Can someone help me on this plz

Answers

Answer:

x axis =2.5 y axis 5

Step-by-step explanation:

you can also use a site called desmos to graph it for u

what is 2+2 i nede hep

Answers

People don't actually know this, but it isn't 4, it's 22. If Base+ball is Baseball, then 2+2 is 22

I hope this helps!

help with this geometry?

Answers

Answer:

angle 5 is equal to angle 1

What is the answer to this?

Answers

The answer is B
I’m positive it’s b

if the residuals are near zero, what does this tell me about the best-fit line?

Answers

Answer:

The closer a data's point residual is to 0 the better the fit.

HELPPPP ASAPP WILL MARK BRAINLIST
Which sequence of transformation results and figures that are similar, but not congruent?
A. Reflected across the X axis, then dilated by a factor of 1/3
B. Rotated counterclockwise 90° then translated six units to the left
C. Translated to units down, then reflected across the Y axis
D. Reflected across the Y axis then translated seven units to the left

Answers

A. Reflected across the x axis, then dialated by a factor of 1/3

Which is the graph of f(x) = (x – 1)(x + 4)?

On a coordinate plane, a parabola opens down. It goes through (negative 1, 0), has a vertex at (1. 75, 6.2), and goes through (4, 0).

On a coordinate plane, a parabola opens down. It goes through (negative 4, 0), has a vertex at (negative 1. 75, 6.2), and goes through (1, 0).

On a coordinate plane, a parabola opens up. It goes through (negative 1, 0), has a vertex at (1. 75, negative 6.2), and goes through (4, 0).

Answers

Below is the graph. In other words, the last one is correct.

Answer:

D on edge

Step-by-step explanation:

put the function into desmos

PLEASE HELP ME.....​ PLEASE

Answers

The answer is 5/24

Because you have to cross multiply 7*3 and 8*2 so you get 21 and 16

You subtract that and you get 5 which is your top number

Answer:

answer is 5/24

Step-by-step explanation:

hope it help

Give the coordinates of the image for each point named
under the translation CC'.
10. Point F
11. Point D
12. Point E
13. Point

Answers

Answer:

f=(2,3)

D=(3,-1)

E=(-2,0)

PLEASE HELPPPP
The sum of John and Davis ages is 63. Davis is six years less then twice John's age. How old is Dave? (The bigger number)

Answers

Answer: 40 years old

Explanation:

Olivia planted 25 tomato plants but only 20 produce tomatoes what percentage of the plants did not produce tomatoes?

Answers

answer:

1.25 %

explanation:

25 - 20 = 5 (5 plants didn't produce)

25 ÷ 100 × 5 = 1.25 %

45 POINTS! If l is parallel to m, identify the angle pair as congruent or supplementary. Justify your reasoning by classifying the angle pair.

Answers

Answer:

10.) suplementary  because they both make 180

11.) Congurent because they are vertical angles because they are on different sides of the line.

12.) congruent because they both are on the same line and are linear

13.) Supplementary beacuse the two angle create 180 degrees

14.) Suplementary beacuse the two angle create 180 degrees and are linear

Step-by-step explanation:

Simplify:
5x+3−(x+1)=
I will give brainliest to the correct answer :D

Answers

Answer:

4x+2

I hope this helps love. Have a good night!!

Remove parentheses.

5x+3-x-15x+3−x−1

Collect like terms.

(5x-x)+(3-1)(5x−x)+(3−1)

Simplify.

4x+24x+2

Rewrite 68% as a decimal, a fraction and a
simplified
ratio?

Answers

Answer:

0.68, 68/100 or 17/25, and 17:25

Step-by-step explanation:

please help as son as possible ​

Answers

Answer:

12 hours

Step-by-step explanation:

Split the 32 in half, and you get 16. Subtract 4 from that, and you get 12. Lily works 12 hours.

1. Find the value of y using the following diagram. (The angles are vertical angles)
74+5
47

Answers

Answer:  brainliest please

Part 1) Option D

Part 2) Option C

Step-by-step explanation:

we know that

In a Rhombus

Opposite angles are congruent, and consecutive angles are supplementary. All sides are congruent by definition. The diagonals bisect the angles

Part 1) What is the measure of angle  ?

-----> remember that the diagonals bisect the angles

Part 2) What is the measure of angle  ?

Remember that

In a rhombus consecutive angles are supplementary

so

The measure of angle  is equal to the measure of angle T divided by

Step-by-step explanation:

7.5x - 0.8 = 5.6x + 3.95 anybody know? lol

Answers

Answer:

X = 2.5.

Step-by-step explanation:

I believe 2.5 should be the solution. Here is how you can solve the equation:

Combine like-terms, First combine the simpler numbers, add 0.8 to 5.6X + 3.95. This should get you the equation: 7.5X = 5.6X + 4.75. Then combine 7.5X and 5.6X by subtracting 5.6X from 7.5X to get the equation: 1.9X = 4.75.

Now, divide 4.75 by 1.9. By dividing these two numbers you should get the equation: X = 2.5.

Hope this helps! Let me know.

what is the answer to 5x - 22=33

Answers

Answer:

The answer would be 11.

Step-by-step explanation:

First, you know that 22 and 33 make 5x. So, you must add 22 and 33 to get 55. Finally, you should divide 55 by 5 to get 11. I hope this helps everyone out there!

Answer:

x=11

Step-by-step explanation:

5x-22=33

+22= 33+22

5x=55

5x/5x=55/5

1x= 11

750 tickets were sold for a game for a total of $1,400.00. If adult tickets sold for $2.50 and children's tickets sold
for $1.50, how many of each kind of ticket were sold?
They sold...
adult tickets and...
children's tickets.

Answers

Answer:

They sold 750

adult tickets is 275 and...

children's tickets is 475

Perform the indicated operation. (-3 + 5i) - (7 + 9i) -10 + 4i 4 - 4i -10 - 4i

Answers

Answer:

-26-8i does this help?

Step-by-step explanation:

I took what was in the parenthesis and put them together coming out with -10 and -4i. Then I took what was next and started putting the variables together and the numbers together.

Erica was deducted 450 points while she was playing a
video game. She was deducted 30 points each time. How
many times was she deducted 30 points? Work this problem
out on paper or your white board. Then snap a picture of your work
using the camera tool.

Answers

Answer:

15

Step-by-step explanation:

hope this helps

Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. After 10 hours of burning, a candle has a height of 17 centimeters. After 21 hours of burning, its height is 12.6 centimeters. What is the height of the candle after 14 hours?

Answers

Answer:

The height of the candle after 14 hours is 15.4 centimeters

Step-by-step explanation:

A linear function is a polynomial function of the first degree of the form:

f(x)= m*x + b or y= m*x + b

where m is the slope of the function and b is the ordinate at the the y-intercept.

In this case height=m*time + b

Given two points of the line, point 1 (x1, y1) and point 2 (x2, y2), we can find the equation of the line or linear function.

You must first find the slope of the line using the expression:

[tex]m=\frac{y2 - y1}{x2 - x1}[/tex]

In this case you know the two points are (x1, y1)= (10,17) and (x2, y2)=(21,12.6)

So the slope is:

[tex]m=\frac{12.6-17}{21-10}[/tex]

m= -0.4

Now you find the value of b, replacing m in the equation, the values ​​of x and y by the values ​​of the coordinates of one of the points and solving for b to obtain its value.

Replacing (x1, y1)= (10,17) and m=-0.4 in the expresion y=m*x+b:

17= -0.4*10 + b

and solving you get:

17= -4 + b

17 + 4= b

21= b

So: height= -0.4*time + 21 where the height is expressed in centimeters and the time in hours.

To calculate the height of the candle after 14 hours, you simply replace the time by 14:

height= -0.4*14 + 21

height= 15.4

The height of the candle after 14 hours is 15.4 centimeters

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