Evaluate the expression when a=5 and b=4.
8a+b

Answers

Answer 1

Answer:

44

Step-by-step explanation:

Put in the terms.

8(5)+4

Multiply 8x5

40+4

Add

44

Answer 2

Answer:

44. if a = 5 and b = 4 then 8a = 8(5). 8(5) = 40. 40 + (4) = 44. hope this helps

Step-by-step explanation:

- Zombie


Related Questions

HELP ASAP: I WILL MARK BRAINLIEST SOMEONE PLEASE HELP!!

Answers

Answer:

Step-by-step explanation:

Please see the picture below

an airplane travels 3269 miles in 4 hours. what is the airplanes average speed?

Answers

Answer:

817.25 mph is the plane's avg speed

Step-by-step explanation:

Average speed is MPH (miles per hour)

SInce the plane travels 3269 miles in 4 hours, find the unit rate

[tex]\frac{3269}{4}[/tex]

Divide by 4

817.25 mph is the plane's avg speed

When having parentheses in a math problem do they come first?

Answers

When you have parentheses in a mathematical expression, they indicate that you need to do what is inside of them first. This is actually true for any grouping symbol. You do what is grouped together first.

The parentheses themselves aren’t doing something, other than saying “Do whatever’s in me first.”

3. Diya's chances of winning the game are
only 40%.
Express this as a probability fraction.

Answers

Answer:

2/5

Step-by-step explanation:

40% as a fraction is 4/10, when this fraction is simplified, it ends up as 2/5.

The  probability of the event that Diya's chance of wining the game is 0.4 or 2/5.

What is probability of an event?

The probability of an event is the chance of happening that particular event.

Let, Diya can play a game 100 times.

Therefore, the number of times she can win the game is 40.

Let, D = the event that Diya is participating in the game.

Therefore, the probability that Diya will win the game is

[tex]= P(D)\\= \frac{40}{100}\\ = \frac{2}{5}\\ = 0.4[/tex]

Learn more about probability of an event here: https://brainly.com/question/22478862

#SPJ3

.......... ......................

Answers

Answer:

what do you need help on?

If f(x) = 3x - 4 and g(x)=x?, find the value of
f(3) - g(2)

A) 4

B) 9

C) 1

D) 7

Answers

Answer:

C) 1

Step-by-step explanation:

f(x) = 3x - 4 when x = 3

= 3(3) - 4

= 9 - 4

= 5

g(x) = x^2 when x = 2

= 4

Subtract both values.

5 - 4 = 1

Best of Luck!

Given the following function:

()=−2+2

Answers

Answer:

0...................

Step-by-step explanation:

0

Does the following represent a function?
f = [ (3, -1), (2, 5), (4, -6), (3, 4), (5, -8) ]

Answers

Answer:

Not a function

Since x= produces y- -1 and y=-4, the relation (3,-1),(2,5),(4,-6),(3,4),(5,-8) is not a function.

Thank you for all the help

Answers

Base=7

Answer:

15½² +b²=8²

15+b²=64

b²=49

b=7



I’m stuck on this question if someone could help me I would highly appreciate:)

Answers

Answer:

q is the midpoint of pq and qr

so

pq=qr

or 6x-7=5x+1

or 6x-5x=7+1

or x=8cm length

is this helpful?

Solve: |x+2|−1≥5. Write your solution in interval notation.

Answers

nswer:

Step-by-step explanat

|x+2| - 1 ≥ 5

  |x+2|  ≥ 5+1

 |x+2|  ≥ 6

 x+2 ≥ 6 hoặc x+2 ≤ -6

+ với x+2 ≥ 6  x ≥ 6 – 2   x ≥ 4

+ với x+2 ≤ -6  x ≤ -6 – 2  x ≤ -8

(-∝;-8)∪(4;+∝)

39) 18% of 18 is what?

Answers

Answer:

3.24

Step-by-step explanation:

Hope this helps :)

[-3 1/4] greater or less than [-4]

Answers

Answer:

[-3 1/4] is greater than [-4]

Step-by-step explanation:

When doing negative numbers greater or less than problems, you always want to look for the smallest negative. This is because the smaller a negative is, the greater it is that a bigger negative number

Help Please For Math Class

Answers

Answer:

the answer is B D and A.

Step-by-step explanation:

(ignore) hshehshsnebajjsjanananahabsn

which of the list shows number below in order from least to greates t? -5.9, -23/4, 5.78, 58%​

Answers

Answer:

-5.9, -23/4, 58%, 5.78

Step-by-step explanation:

Answer:

-5.9, -23/4, 58%, 5.78

Step-by-step explanation:

69. The O'Brien's had $400.0 in a special
checking account for installment payments
After paying $40.00 a month for three months
and $20.00 a month for two months. How
much was left in the account?​

Answers

Hello :D

$40.00 x 3 = $120.00

$20.00 x 2 = $40.00

$120.00 + $40.00 = $160.00

$400.00 - $160.00 = $240.00

There is $240.00 left in the account.

I need help in 7th grade math

Answers

Answer:

27

Step-by-step explanation:

first, you multiply:

6×7-3(4+1)

42-3(4+1)

now add:

42-3(4+1)

42-3×5

Multiply again:

42-3×5

42-15

calculate:

42-15=27

[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]

[tex] \large\sf \: 6 \cdot 7 - 3 ( 4 + 1 )[/tex]

[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]

[tex] \large\sf \: 6 \cdot 7 - 3 ( 4 + 1 )[/tex]

Multiply 6 and 7 to get 42.

[tex] \large \sf42-3\left(4+1\right) [/tex]

Add 4 and 1 to get 5.

[tex] \large \sf42-3\times 5 [/tex]

Multiply 3 and 5 to get 15.

[tex] \large \sf42-15 [/tex]

Subtract 15 from 42 to get 27.

[tex] \large \boxed{\boxed{\boxed{ \mathfrak{ \bold{27} \: is \: the \: correct \: answer}}}}[/tex]

Calculate work by parts. 5x2-23)​

Answers

Answer:

10-23= -13 is the answer

Answer:

think -13 is the answer


Which set of three numbers could be the side length of a triangle. A) 5,5,10 B) 3,3,8 C) 5,5,14 D) 3,3,2

Answers

Answer:

B, C

Step-by-step explanation:

Chow,...!

How to solve -3/9 + ( -2 9/10)
[tex] - 3 \sqrt{8 + ( - 2 \times \frac{9}{10} } [/tex]

Answers

9514 1404 393

Answer:

-3 7/30-7.46994

Step-by-step explanation:

We understand this to be two separate problems.

  -3/9 +(-2 9/10) = -(3/9 +2 9/10)

  = -(10/30 +87/30) = -97/30 = -3 7/30

__

  -3√(8 +(-2(9/10))) = -3√(8 -1.8) = -3√6.2 ≈ -7.46994

__

Additional comment

A calculator can help with these, especially if it is able to deal with rational numbers. (Many graphing calculators and some scientific calculators will do that more or less nicely. My favorite Android calculator app makes arithmetic with fractions and mixed numbers very easy.)

Points A, B, and C are collinear and B lies between A and C. If AC = 48, AB = 2x + 2, and BC = 3x + 6, what is BC?
BC=


On a number line, suppose point E has a coordinate of −3,and EG=8.What are the possible coordinates of point G?
The possible coordinates for G are?
Please help!

Answers

Answer:

30

Step-by-step explanation:

AC = AB + BC

48 = 2x + 2 + 3x + 6

48 = 5x + 8

48 - 8 = 5x

40 = 5x

40/5 = x

8 = x

Finding BC

BC = 3x + 6

BC = 3(8) + 6

BC = 24 + 6

BC = 30

#2

Coordinate = -3 + 8 = 5

Answer:

BC = 305

Step-by-step explanation:

We know that adding AB and BC will give us AC so we can create an equation and solve for x.

2x + 2 + 3x + 6 = 48

~Combine like terms

5x + 8 = 48

~Subtract 8 to both sides

5x = 40

~Divide 5 to both sides

x = 8

Now that we know the value of x, we can solve for BC.

= 3(8) + 6

= 24 + 6

= 30

I would assume 8 is the length of EG so we would add that value to -3 and find where that would be at on the number.

-3 + 8 = 5

Best of Luck!

Find the area of the triangle

Answers

9514 1404 393

Answer:

  D.  72sin(α)cos(α)

Step-by-step explanation:

Given two sides and the angle between, the area of a triangle can be found from the formula ...

  Area = (1/2)ab·sin(C)

Here, that translates to ...

  Area = (1/2)(12)(y)sin(α)

Using the trig relation ...

  Cos = Adjacent/Hypotenuse

we can find y:

  cos(α) = y/12

  y = 12·cos(α)

__

Substituting this into the area calculation above, we have ...

  Area = (1/2)(12)(12·cos(α))sin(α)

  Area = 72sin(α)cos(α)

please help that’s all i just need to make i’m correct it due tomorrow early so please

Answers

The answer is 6 i think

Find the area of this figure. round your answer to the nearest hundredth.

Answers

Answer:

The area of the figure is 49.12ft² (nearest hundredth)

Step-by-step explanation:

The area of the figure is the sum of the areas of the right triangle and semi circle that make up the figure.

Note that the radius of a circle is twice its diameter

That means, the radius of the semi-circle is 4 feet

Area of the triangle = 1/2 x Base X Height = 1/2 x 6 ft x 8 ft =24 ft²

Area of the semi circle = 1/2 πr² = 1/2 x 3.14 x 4² = 25.12 ft²

Hence, the area of the figure is:

24 ft² + 25.12 ft² = 49.12 ft²

15) Darla's marching band needs money to travel to a competition. Band
members have raised $580. They need to raise a total of $1660. Write
and solve an equation to find how much more they need.

Answers

Step-by-step explanation:

$1660-$580= $1,080

Answer:

1660 minus 580

Step-by-step explanation:

they have already raised 580. so get 1660 is to subtract 1660 to 580

Hello so can someone help me with this problem. My teacher doesn't explain it very well </3​

Answers

[tex] t= 50 + \frac{n - 4}{4} [/tex]

switch sides

[tex]50 + \frac{n - 4}{4} = t[/tex]

subtract 50 from both sides

[tex]50 + \frac{n - 4}{4} - 50 = t - 50[/tex]

simplify

[tex] \frac{n - 4}{4} = t - 50[/tex]

simplify

[tex] \frac{n - 4}{4} = t - 50[/tex]

multiply both sides by 4

[tex]4 \frac{(n - 4)}{4} = 4t - 4 \times 50[/tex]

simplify

[tex]n - 4 = 4t - 200[/tex]

add 4 both sides

[tex]n - 4 + 4 = 4t - 200 + 4[/tex]

[tex] n = 4t - 196[/tex]

Write the expression that shows “3 times the sixth power of 10”

Answers

Answer:

[tex]3(10^6)[/tex]

P, Q, V, and K are collinear with V between K and P, and Q between V and K. If VP = 14x + 4, PK = x + 630, VQ = 17x + 6, and KQ = 11x + 5, solve for VP.

Answers

9514 1404 393

Answer:

  VP = 214

Step-by-step explanation:

The order of points on the line is KQVP. The whole is the sum of the parts, so we have ...

  KQ +QV +VP = KP

  (11x +5) +(17x +6) +(14x +4) = x +630

  42x +15 = x +630 . . . . . . . . . . . . . . . . . collect terms

  41x = 615 . . . . . . . . . . . subtract x+15

  x = 15 . . . . . . . . . . divide by 41

Then the measure of VP is ...

  VP = 14x +4 = 14·15 +4 = 210 +4

  VP = 214

Which number is the best approximation for π/3 : 1, 1.03, 1.05, or 1.07?​

Answers

Answer:

1,05

Step-by-step explanation:

9514 1404 393

Answer:

  1.05

Step-by-step explanation:

The relative errors are ...

1 : -4.5%1.03 : -1.6%1.05 : +0.3%1.07 : +2.2%

Of these choices, the best approximation is 1.05.

_____

A very good rational approximation of π is 355/113, which has a relative error of about 0.0000085%. This makes 355/339 a good approximation of π/3.

The relative error in the value n is ...

  (3n/π -1) × 100%

Solve the equation and check.
5
n-3 n +5
+
4 7
14
..
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. The solution is
(Simplify your answer.)
O B. The solution is all real numbers.
O C. There is no solution.

(Answer quickly)

Answers

Answer: the solution is [tex]n=\frac{51}{11} \\\\\\n=4\frac{7}{11} \\\\n=4.63[/tex]

i gave you the decimal and improper fraction

Step-by-step explanation:

Mutiply both sides by 28

7(n-3)+4(n-5)=10

distribute the 7

7n-21+4(n-5)=10

distribute the 4

7n-21+4n-20=10

combine like terms

11n-21-20=10

11n-41=10

11n-51

n=51/11

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