Evaluate 2a+7b if a = 5 and b = 3

Answers

Answer 1

Answer:

31

Step-by-step explanation:

2(5) + 7(3) =31

2x5 = 10

7x3 = 21

10+21 = 31

Answer 2

Answer:

The answer is 31

Step-by-step explanation:

Plug the numbers for the variables into the equation.

2×5+7×3

Multiply

10+21

Add

10+21 = 31


Related Questions

f+3≥20 or f+15≤7
Solve for f

Answers

Answer:

Your answer is:

1) f >= 17

2) f <= -8

Step-by-step explanation:

Hope this helped : )

I need help with this question!!

Answers

Answer:

3 and 5

Step-by-step explanation:

yes

3. Use >, < or = to solve the inequality below. 4/51/2

Answers

Answer:

2/51

Step-by-step explanation:

what is
[tex] {y}^{2} = 44[/tex]
can anyone help me pls​

Answers

Answer: check picture

Solving Steps:

What steps would you do to solve 3x-52 -12?
1. Add-12, then divide by 3
2. Divide by 3, then add 5
3. Multiply by 3, then subtract 5
4. Add 5, then divide by 3

Answers

Answer:

But you just gave us the steps-

Answer:

Step-by-step explanation:

Well for this you wouldn't necessarily solve you you simplify, to simplify you would do 56- 12 which would get you 3x - 44.

Kristina needs to mix a 20% alcohol solution with a 60% alcohol solution to create 200 milliliters of a 34% solution. How many milliliters of each solution must Kristina use?

Answers

Answer:

20% alc: 135 mL

60% alc: 65 mL

Explanation:

Table:

20% alc /  x  /    (.2)(x)        

60% alc /  200-x /   .6(200-x)        

34% alc. / 200 /   (.34)(200)        

Equation for 60% alc:   .6(200-x) = (.34)(200) + (.2)(x)

Equation for 20% alc:   (.2)(x) + .6(200-x) = (.34)(200)

Final:

20% alc: 135 mL

60% alc: 65 mL

Hopes this helps! :))))))) [vote brainliest]

1. Solve the system of equations by substitution:
y = x - 2
4x – 3y = 11

Answers

Answer:

x = 5

y = 3

Step-by-step explanation:

y = x - 2

4x - 3y = 11

substitute y in the second equation with x - 2

4x - 3(x - 2) = 11

open the parenthesis

4x - 3x + 6 = 11

x + 6 = 11

subtract 6 from both sides of the equation

x + 6 - 6 = 11 - 6

x = 5

now substitute x for 5 in the original equation.

y = x - 2

y = 5 - 2

y = 3

2. A(n) __ is an individual number,
figure, or letter in a sequence.

Answers

Answer:

term of a sequence

Step-by-step explanation:

Help you'll get brainiest! Combine the radicals​

Answers

Answer:

hi b is the answer

Step-by-step explanation:

please mark me as the brainliest answer and please follow me for more answers to your questions

Answer:

Step-by-step explanation:

[tex]\sqrt{27} = \sqrt{9}[/tex] ×[tex]\sqrt{3}[/tex] = 3 × [tex]\sqrt{3}[/tex] = [tex]3\sqrt{3}[/tex]

So then

[tex]5\sqrt{27} = 5[/tex] ×[tex]3\sqrt{3}[/tex] = [tex]15\sqrt{3[/tex]

And then

[tex]15\sqrt{3} - 17\sqrt{3} = -2\sqrt{3}[/tex]

Please Help Me, I Cant Even Do the First Step Of The Problem :(
Theres an image of the graph in the question.

The graph of g is a vertical translation of the graph of f.
If f(x) = mx + b and g(x) = (mx + b) + k. What value for k transforms the function f into g?
k = ???

Answers

Answer:

k = -3

Step-by-step explanation:

What is another name for Z1?
N
E
F

Answers

Answer:

GEF

Step-by-step explanation:

Can someone tell me the answer plz for brainlist and points to whoever gets it right

Answers

Answer:

Alonzo was right about the equations being the same because they both end up equaling up to (4,-5)

Step-by-step explanation:

I attached the work below so you also know how to do it. I hope this helps you and I hope you have an amazing night and remember to drink water and eat and get a good nights rest. and remember that school does not define how smart you are!

A given line has a slope of 7 what would the slope of a line parallel to this line be and why?

Answers

Answer:

7

Step-by-step explanation:

A parallel line would have the same slope because it would only have a different y-intercept.

Hope that helps and have a great day!

Help me please I REALLY NEED HELP WITH THIS 10 points

Answers

Answer:

Y-int (0,3)

Slope 3/2

Step-by-step explanation:

I'm assuming this is for the second question on the bottom

-0.8x+40-8x-35 need help asap

Answers

Answer:

-8.8x + 5

Step-by-step explanation:

Equation:

-0.8x + 40 - 8x - 35

-0.8x -8x + 5

-8.8x + 5

*This answer might be from a misunderstanding*

Answer:

-8.8x + 5

Step-by-step explanation:

See attached picture!!

Hope this helps!!

help please i really need help

Answers

Answer:

I think the next one 400

Determine the constant of variation for the direct variation given.
R varies directly with S. When S is 16, R is 80.
1/5
5
16

Answers

Answer:

The constant of variation is k=5

Step-by-step explanation:

Proportions

A direct proportion is a relation between variables where their ratio is a constant value. This means that if y and x are proportional, then:

[tex]y=k\cdot x[/tex]

Where k is the constant of proportionality.

We know R varies directly with S. Their relationship is:

[tex]R=k\cdot S[/tex]

We also have when S=16, R=80. Thus:

[tex]80=k\cdot 16[/tex]

Solving for k:

[tex]k=80/16=5[/tex]

The constant of variation is k=5

PLSSSS!!!!! HELP!!!! ME!!!!! I !!!!! WILL!!!! MARK U!!!!!!!!!!!!

Answers

Answer:

i want to see david not mark

Step-by-step explanation:

duck what is plant? Been wonder tht=at fir long tim. Seen mary sheelly at the frank book!! You seen? HMMMM???!?! Im tired of this instagram ad go away! Its find out!!! Me too!!!

Answer:

I'm pretty sure its 5...

a t-shirt shop sells tie-dye shirts for $16 and plain shirts for $10. they sold 28 shirts and made 400$ today. How many tie-dye shirts did they sell. please answer quickly

Answers

Answer:

Multiply

Step-by-step explanation:

Answer:

20 tie dye t shirts

Step-by-step explanation:

can u please help!!! ​

Answers

Answer:

Aw, it doesn't let me see the picture... can you explain it and what we are supposed to find?

Step-by-step explanation:

Given: In the figure, B is the midpoint of AC and AD = EC. Prove: DB = BE.
Match each statement to its corresponding reason in the flow diagram. Drag the items on the left to the correct
location on the right.

Answers

Answer:

The PLATO answer...

Duncan has 13 1/3 cups of sand. He divides the sand equally into 4 containers

Answers

Answer:

if you're asking how much sand is in each container, then

[tex]13 \frac{1}{3} \div 4 = 3 \frac{1}{3} \: cups \: of \: sand[/tex]

Answer um also very confused on this one AA.

Step-by-step explanation:

but i said 2 if your wondering.


At a local pumpkin patch you can pick your own pumpkins. There is a $5 charge to enter the patch and then a $0.25 charge per pound of pumpkin. Let p
represent the weight of the pumpkin you choose and C(p)
represent the total cost of the pumpkin in terms of the weight of the pumpkin. Equation, in function notation:

Answers

Answer:

C(p) = 0.25p + 5

Step-by-step explanation:

$5 is the amount of money you have to pay when you don't get a pumpkin (a pumpkin that's 0 lbs), so the y-intercept is 5. 0.25 is the rate at which the price increases as the weight increases, so the slope is 0.25.

m = slope, b = y-intercept

C(p) = mp + b

C(p) = 0.25p + 5

Based on the number line below, which statement is true?

Answers

you didnt put a number line tho :/

Answer:

25

Step-by-step explanation:

that one spongebob meme

haha

:(

theres no number line

Given the following sequence: {x. 3x, 5x, 7x, 9x .... ). what will the value of
the TENTH term be?

Answers

Answer:

The tenth trem will be 21x considering 3x as one 1 + 10x2=21

Fit-quest charges a one-time registration fee of $50 plus $5 per fitness class. Fitnasium charges no registration fee, but charges $8 per fitness class. For how many fitness classes does Fitnasium cost less than or the same as Fit-quest?

Answers

Answer:

16

Step-by-step explanation:

50 + (5×16) 8×16

50 + 80 128

130. 128.

if she goes to gitnasium 1 more time then it eould be more than Fit-Quest.

16 of the fitness classes do Fitnasium cost less than or the same as Fit-quest.

What are Arithmetic operations?

Arithmetic operations can also be specified by the addition, subtract, divide, and multiply built-in functions.

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation: Divides left-hand operand by right-hand operand

For example 4/2 = 2

We have been given that Fit-quest charges a one-time registration fee of $50 plus $5 per fitness class. Fitnasium charges no registration fee, but charges $8 per fitness class.

Let the number of classes would be x

⇒ 50 + (5x) = 8x

Rearrange the terms of x in the above equation,

⇒ 8x - 5x = 50

⇒ 3x = 50

⇒ x = 50/3

Apply the division operation,

⇒ x = 16

Therefore, 16 of the fitness classes do Fitnasium cost less than or the same as Fit-quest.

Learn more about Arithmetic operations here:

brainly.com/question/25834626

#SPJ2

Which set of ordered pairs represents a relation that is a function?
A. {(0, 1), (1, 2), (2,3), (2, 1), (1, 0)}
B.{(2, 1), (1, 2), (0, 1), (1, 0), (1,3)}
C.{(0, 1), (0, 2), (0, 3), (0, 4), (0,5)}
D. {(0,3), (2, 1), (4, 5), (6,5), (3, 1))

Answers

Answer:

c represent s a relation that is a function

Step-by-step explanation:

all other choices have a reputition of numbers in the y coordinate

Answer:

D

Step-by-step explanation:

A has (1, 2) and (1,0) and for functions for every input you need one output

B has (1,2) (1,3) (1,0) and same thing

C Has all of the inputs the same, so the input has multiple outputs which again is not a function

D has all inputs that have only one output

Bianca bought a skateboard for $75. There sales tax of 6.5%. What well she spent total for the skateboard?

Answers

Answer:

79.875, or 79.88

Step-by-step explanation:

first ya do 75*0.065=4.875

then you add that to 75

She spent $74.94 on the new skateboard

ryan deposited 4,000$ into his savings account at the interest rate of 4%for 5 years ate the end of the 5 years how much money would be in ryan's account worksheet

Answers

Answer:

$4,800

Step-by-step explanation:

you take $4000 and multiply by .04 to get interest for one year. Then multiply by 5 for the years and that is $800. and $800 + $4000 - $4800.

In the revolutionary army, muskets, x, cost $6 and bullets, y, cost $2. The army only have $600 as a nation. what equation can we use to show how many muskets and bullets we can afford if we have to spend all of our money.

A) 600x+ 2y=6
B) 6x+2y=600
C) 6+2= xy
D) 2x+ 6y=600
Please help!​

Answers

Answer:

B

Step-by-step explanation:

Using the equation on option B, we would have to multiply the cost, then the quantity needed of muskets and bullets. So B is the only option on which you have to find out how many of each the Army can afford.

Hopefully this helps! :)

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