Mathematics High School

Evaluate the expression,
if x = 12, y = 8, and z = 3.
5y +
XIN

Evaluate The Expression,if X = 12, Y = 8, And Z = 3.5y +XIN

Answers

Answer 1
For me I got 44 as my answer
Answer 2

Answer:

5*8+12/3

=40+4

=44..........

Related Questions

Hugh drove on the highway at a constant rate. He traveled 204 miles in 3 hours. How far did hugh travel in 1 hour? At what rate was he traveling?

Answers

68. Divide 204 by 3. I hope this helps :)

8x + y = 20
x - 2y = -6

Answers

Answer: the answer is

Step-by-step explanation:

Can u guys help me with #5 and 6 please?

Answers

Hope this works!
Jjgvxdhgkhxsggvxsouyvuvy

30% of the swimming team are girls. If there are 18 girls. How many are in the team
altogether?

Answers

Answer:

60 people are in the team altogether

Answer:

60

Step-by-step explanation:

to find the percentage of girls on the swim team, you would multiply a number by 30 percent. to find the number in all, you would divide 18 by 30 percent

18/0.3 = 60

there are sixty people on the swimming team

Mr. Webster is buying carpet for an exercise room in his basement. The room will have an area of 230 square feet. The width of the room with have 12&1/2 feet. What is the length?

PLEASE DO NOT JUST GIVE THE ANSWER, (I could have done that myself) PLEASE SHOW WORK ON HOW YOU GOT THE ANSWER.

Thanks!

Answers

Answer: 18.4 ft

Step-by-step explanation:

Area= L x W

230= 12.5 x L (Divide both sides by 12.5 to get L)

L= 18.4 ft

Answer:

The length of the room is 18 2/5 feet.

Step-by-step explanation:

The formula for finding the area of rectangles is A = l · w

Since the area and width is given to you, we can substitute that in the formula:

230 = l · 12 1/2

Now we convert the 12 1/2 to an improper fraction so it is easier to solve.

Here's how you convert a mixed number to an improper fraction:

12 · 2 = 24

24 + 1 = 25

and put 25 over the original denominator

     = 25/2

Now you can add that to the equation...

l · 25/2 = 230 (I put 230 on the right side because that is how I am used to solving equations, but you can leave it on the right side as well. It is up to you)

To get rid of fractions, multiply by the reciprocal (Basically you flip the fraction so that the numerator becomes the denominator and the denominator becomes the numerator) on both sides

25/2 · 2/25 cancels itself out

   and

230/1 · 2/25...

   230 · 2 = 460

   1  · 25 = 25

So you would get 460/25

Thus, we end up with:

l = 460/25

Divide 460 by 25 and you get 18.4...

Technically 18.4 is the answer but in decimal form.

If you want it in fraction form, just take 0.4 and put it over 10 because 0.4 is in the tenths place. 4/10 simplifies down to 2/5...

Therefore, the answer is 18 2/5 feet.

I hope this is helpful! Let me know if you have any further questions :D

Evaluate the expression when m= -3. m²+8m-7​

Answers

Answer:

-22

Step-by-step explanation:

Hope this helps! Pls give brainliest!

find the measure of angle b

Answers

Answer:

answer ix c becauze the opposite angle is 48

Write an equation of the form y=kx for the relationship shown in the graph.

Answers

Answer:

28 = 8k

Step-by-step explanation:

(x,y)

so (8,28)

y = kx is a direct proportional formula.

28 = 8k

Solve for x not y please I am stuck

Answers

Answer:

x=2, x=1

Step-by-step explanation:

let's solve :

[tex] {4}^{2x} - 20(4 {}^{x} ) + 64 = 0[/tex]

let's take

[tex]2 {}^{2x} = y[/tex]

now,

[tex]{(2{}^{2x} )} {}^{2} - 20(2) {}^{2x} + 64 = 0[/tex]

[tex]y {}^{2} - 20y + 64 = 0[/tex]

[tex]y {}^{2} - 16y - 4y + 64 = 0[/tex]

[tex]y(y - 16) - 4( - 16) = 0[/tex]

[tex](y - 16) (y - 4) = 0[/tex]

[tex]y = 16 \: \: or \: \: y = 4[/tex]

if y = 16, then :

[tex]2 {}^{2x} = 16[/tex]

[tex] {2}^{2x} = 2 {}^{4} [/tex]

[tex]2x = 4[/tex]

[tex]x = 2[/tex]

and if y = 4 :

[tex] {2}^{2x} = 4[/tex]

[tex] {2}^{2x} = {2}^{2} [/tex]

[tex]2x = 2[/tex]

[tex]x = 1[/tex

hence, value of x = 1 or x = 2

put these fractions in order from least to greatest

4/10 4/11 4/7​

Answers

Answer:Putting these fractions from least to greatest would be (4/11, 4/10, and 4/7).

Step-by-step explanation:

Hope this helps! ^_^ Please give brainleist and leave a rating if you like this answer!

PLZ HELP, a) twenty two and nine hundred eight thousandths in decimal form. b) three and seven tenths.l in decimal form c) sixty nine and fifty three thousandths in decimal form

Answers

Answer:

Twenty two and nine hundred eight thousandths= 22.908

three and seven tenths = 3.7

sixty nine and fifty three thousandths= 69.053

Using Substitution solve: y=x+5
4x+y=20

Answers

Answer:

3

Step-by-step explanation:

So first, plugin y to your equation, it should look like this: 4x+x+5+20. Now, we can solve this. Next, we have two x's so we can combine them. The equation will now look like this: 5x+5=20. Now, we have an extra 5 laying around that we need to get rid of, so we can subtract that 5 to both sides of the equation and we get this: 5x-5=20-5 which ends up being 5x=15. Now, we just divide both ides by 5 and since 15 divided by 5 is 3, we get: x=3

PLS HELP WILL MARK AS BRAINLIEST

Answers

Answer:

26. the y intercept is -6

27. the y intercept is 2

28. the y intercept is -3

29. I cant answer because it is cut off in the picture...

Step-by-step explanation:

These equations follow a simple formula- the slope formula

y=mx+b

In this formula:

b is the y intercept

m is the slope that is multiplied by x

hope this helps:)

please crown me brainliest!!!

Tam giác ABCD có góc B = 65 Độ góc C = 115 Độ hỏi góc A bằng bao nhiêu độ

Answers

Answer:

a

Step-by-step explanation:

kasi yun ang tama at

nain tindi han ko

A





pls give me brainliest!! <3 have a good day

An arts academy requires there to be 5 teachers for every 115 students and 3 tutors for every . How many students does the academy have per​ teacher? Per​ tutor? How many tutors does the academy need if it has 77 students ​?

Answers

Answer:

1.23

2. Question incomplete

3. Needs Question 2 to Answer

Step-by-step explanation:

1. 115÷5=23

6 square root x 6 square root x 6 square root

Answers

Answer:216

Step-by-step explanation:

what can 34 be divided by

Answers

Answer:

1, 2, 17, 34

Step-by-step explanation:

1 x 34 = 34

2 x 17 = 34

Answer:

Well 34 can be divided by anything...

Step-by-step explanation:

34/1 = 34

34/2 = 17

34/3 = 11.3333

34/4 = 8.5

34/5 = 6.8

34/6 = 5.6666

34/7 = 4.857...

34/8 = 4.25

34/9 = 3.7777

34/10 = 3.4

Hope this help!

what is 7019 - 1135 plezzzzzz

Answers

Answer:

The answer to 7019 - 1135 is 5884

If r = 2,440, then what is 29.3r?

Answers

Answer:

29.3r

29.3x2440

=71,492

Find the next 3 terms of the sequence below:

Answers

The next 3 terms are 17, 21, 25

The speed (v) of a gear varies inversely as the number of teeth (t). If a gear that has 48 teeth makes 20 revolutions per minute, how many revolutions per minute will a gear that has 30 teeth make?

I give Brainliest! Please show work too.

Answers

Answer:

80

Step-by-step explanation:

Somebody help me please

Answers

Answer:

A goes with the sum of a number and 3

B goes with the product of 4 and a number

C goes with 2 less than a number

D goes with the quotient of 5 divided by a number

Step-by-step explanation:

Which number equals 3/4 to the power of negative 2

Answers

Answer:

16/9

Step-by-step explanation:

16/9=1.77777777778

(3/4)^-2=1.77777777778

Which expression best describes the array modeled below?

Answers

Answer:

Where is it??

Step-by-step explanation:

Larry's age if he is 5 years younger than twice his brother's age. Use b for his brothers age.

Answers

Answer:

(b2)-5

Step-by-step explanation:

3x = 4у + 12 .
What is the y intercept

Answers

Answer:

I think it is y=-3

Step-by-step explanation:

Answer:

y=-3

Step-by-step explanation:

How to solve -10=║j-7║

Answers

Answer:

-10=||-3-7||

The answer is -3.

geometric proofs- how can i prove that angle DAE=DBE?

Answers

1. AC ~= BC, angle(ACD) ~= angle(BCD)
Given

2. CD ~= CD
Reflexive property

3. triangle(ACD) ~= traingle(BCD)
SAS

4. AD ~= BD
CPCFC (congruent parts of congruent figures are congruent)

5. angle(DAE) ~= angle(DBE)
Properties of isosceles triangle

Find the solution of sqrt(x+3) + 4 = 6 , and determine if it is an extraneous solution. (1 point)

answers

x = 1; not extraneous

x = 1; extraneous

x = 29; extraneous

x = 29; not extraneous

Answers

Answer:

x = 1; not extraneous

Step-by-step explanation:

The time it takes for an object dropped from a height to reach the ground is given by the function time (in seconds) =(1/4)√h where h is the initial height in feet. If an object dropped from a building takes 4 seconds to reach the ground what is height of the object was dropped from, to the nearest foot?

Answers

Answer:

256 ft

Step-by-step explanation:

Assuming f(t)=(1/4)√h, we can solve for h by setting 4=(1/4)√h.

4=(1/4)√h

16=√h

h= 16^2 =256 ft

Step-by-step explanation:

h = (4 ÷ ¼)²

h = (4 × 4)²

h = 16² = 256ft

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