Mathematics High School

pleased help me answer this I'm confused. look at picture​

Pleased Help Me Answer This I'm Confused. Look At Picture

Answers

Answer 1

Answer:

23 + 16 = 39

39 - 16 = 23

the student did not reverse the sum correctly

Related Questions

Which unit cost represent the following : (Round to the nearest hundredths)

You can buy 7 cups of coffee for $43.28

- $6
- $6.18
- $0.16

Answers

Answer:

$6.18

Step-by-step explanation:

43.28÷7 units = 6.18 per 1 unit

y is directly proportional to .
When x = 500, y = 10
Find a formula for y in terms of x.
y=

Answers

Answer is 5 because I guessed

Solve for c. -8c=-24​

Answers

Answer:

c=3

Step-by-step explanation:

Answer: c is equal to 3 hope that’s correct c=3

1,092 inches to yards

Answers

Answer:

Step-by-step explanation:

It would be 30.33 repeating.

Answer:

30.33 yards

Step-by-step explanation:

36 inches to a yard, so divide the length value in yards by 36.

1092 / 36 = 30.33 yds

Four of the 16 students in Ms. Salas’s class after school are serving detention. The rest of the students are there for tutoring. Using the diagram below, determine the percent of the students in Ms. Salas’s classroom after school who were there for detention.

Choices:

A: 16%
B: 25%
C: 40%
D: 60%

Answers

the answer is b because 4/16 students are in detention. 25% means 1/4. if u break the group of 16 into four groups, there will be four students in each group (4+4+4+4=16) since four students are in detention, one full group will be in detention so 1/4. this is the best i can explain this but if you would like the mathematical proof work it is:
4 divided by 16 = 0.25 which turned into a percent is 25%

2(38-4x) = 58-5x
Answer

Answers

Answer:

x=6

Step-by-step explanation:

Use the quadratic formula to solve for x.
8x²-7x+1=0
(there may be more than one solution, if so, separate them with commas.)

x = _

Answers

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Solve the system of equations.
5x - 7y = 58
y = -x + 2
х =
y =

Answers

Answer:

the x and y is 6 and -4 respectively

Step-by-step explanation:

The computation of solving the system of equations is given below:

Given that

5x - 7y = 58

And,

y = -x + 2

Put y value in the first equation

5x - 7(-x + 2) = 58

5x + 7x - 14 = 58

12x = 58 + 14

12x = 72

x = 6

So y = -6 + 2

= -4

Hence, the x and y is 6 and -4 respectively

water flows through a pipe at a rate of 7 cubic meters per month. Express this rate of flow in gallons per minute. Round your answer to the nearest hundredth.

Answers

Answer:

0.04

Step-by-step explanation:

The rate of flow is 0.043 gallons per minute.

How to convert litres to gallons ?

Divide by 0.264 to obtain litres from gallons and multiply by 0.264 to obtain in gallons from litres.

According to the given question

Water flows through a pipe at a rate of 7 cubic meters per month.

We know 1 cubic meter is = 1000 litre

∴ 7 cubic meters per is

= (7 × 1000) litre

= 7000 litre

= (7000 × 0.264) gallons

= 1848 gallons per month

Now 1 month is

= ( 1 × 30 × 24 × 60 ) minutes.

=43200 minutes

So in 43200 minutes 1848 gallons of water flows through that pipe

∴ In a unit minute or per minute it the rate of flow will be

= 1848/43200 gallons per minute

= 0.043 gallons per minute.

Lean more about These type of problems here :

https://brainly.com/question/14526944

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4x-1=10+4x equations with special cases

Answers

Answer:

No solution

Step-by-step explanation:

With some linear expressions like this one, the answer will turn out to be 0, so your answer would be no solution

Graph the line that passes through the points (1, -9) and (1, -3) and determine
the equation of the line.

Answers

Answer:

Step-by-step explanation:

The line is a vertical line with an equation of x = 1

y can be anything.

Draw (on graph paper) a dot at x = 1. Go down to - 3 and keep on going down to - 9. Then go up from x = 1. That's what this problem should give you.

please help
bdhdhdhfjci

Answers

Answer:

40 degrees

Step-by-step explanation:

A full triangle is 180 degrees

85+55=140

180-140=40

solve the inequality 31< 3x+4

Answers

31 < 3x+4

subtract 4 from both sides

27 < 3x

divide by 3 from both sides

9 < x

help me plz will mark brainliest

Answers

1) pentagon
2) concave
3) not regular
hope this helps :)

Answer:

a) pentagon

b) concave

c) not regular

Step-by-step explanation:

a) this polygon has 5 sides, known as a pentagon

b) it is concave because you can connect the top two vertices with a diagonal which will be outside the shape

c) a regular polygon is equilateral (all sides equal) but the markings show that is not the case with this shape


1/10( x + 130) = -2(3-X)

I need help

Answers

Answer:

x = 10

Step-by-step explanation:

1/10(x + 130) = -2(3 - x)

x + 130 = -20(3-x)

x + 130 = -60 + 20x

x - 20x = -60 - 130

-19x = -190

x = 10

Help on the last 2?

Answers

4x, 8, 20

X/6, 1/3, 5/6

After 4 new students joined a class, the class had 32 students.
Which equation can be used to find x, the number of students in the class before the students joined?
A. x/4 = 32
B. x - 4 = 32
C. 4x = 32
D. x + 4 = 32


Answers

D
Explain: if 4 new students joined, that’ll add up to the original number which is x.
So the equation will be x + 4 = 32

Jessie served 11 pints of orange juice at her party. How many quarts of orange juice did she serve

Answers

Answer:

5 and 1/2 quarts

Step-by-step explanation:

A quart is 2 pints

Answer:

5 and 1/2 quarts

Step-by-step explanation:

Is x = 6 a solution to the equation 5(x – 3) = x + 13?
Follow the steps to find out.
1. Rewrite the equation 5(x – 3) = x + 13 with 6 substituted for x. Write a question mark over the equal sign to show that you're testing to see if the equation is true.

ill give brainliest

Answers

Yes, both equations will always work, but yes, at times it is more logical to use one over the other. for instance:

x-4y=6

x+4y=12

we see here that elimination would best fit:

x+x+4y-4y=6+12

or:

x=2y-3

7x+3y-81=23

substitute (2y-3) for x.

Also, once you have a single placeholder, put it ito quadratic form (ax^2+bx+c=0)

and use the quadratic formula:

x=(-b±sqrt(b^2-4ac))/2a

Answer:

yes

Step-by-step explanation:

MMA-A unit 3 packet

Answers

There’s no question tho?????
Nice it was unite 3 packet

An observer (O) spots a plane (P) taking off from a local airport and flying at a 23° angle horizontal to her line of sight and located directly above a tower (T). The observer also notices a bird (B) circling directly above her. If the distance from the plane (P) to the tower (T) is 5,000 ft., how far is the bird (B) from the plane (P)? Round to the nearest whole number. (4 points)

Two parallel lines B P and O T with a transversal running through P and O. Dotted red line from P to T and from B to O. Angle P

a
5429 feet

b
9063 feet

c
11,779 feet

d
12,788 feet

Answers

Answer:

your answer C.)11,779 feet

Step-by-step explanation:

also the other ch.at got max out....

Answer:

C.)11,779 feet

Step-by-step explanation:

I took the test and got it correct!

*4. What is (2.0 x 10-1)3 in
scientific notation?
A 2.0 x 10 -3
1
B 2.0 X 1/10 3

C 8.0 X 1/103
D 8.0 x 10 -3

Answers

Answer:

D

Step-by-step explanation:

1.What is a number that is a multiple of two or more numbers​

Answers

Answer:

Step-by-step explanation:

Mario start collecting stamps in January and buys 12 stamps each month.Karen starts collecting stamps in July and buys 18 starts each month. how many months after Karen starts collecting stamps will she have the same number of stamps as Mario?

Answers

Answer:

12 months

Step-by-step explanation:

Given that:

Mario:

12 stamps per month

Since January

Karen :

18 stamps per month

Starts on july

Number of stamps collected by Mario till the end of June :

12 * 6 = 72 stamps

For Mario :

72 + 12x

For karen:

18x

Where x is the number of months after karen starts :

Equate both equations

72 + 12x = 18x

72 = 18x - 12x

72 = 6x

x = 72/6

x = 12

After 12 months

Number of months after karen starts, will they have same amount of stamp

My stepsister got stuck in the dryer what do I do??

Answers

Answer:

Orange + Black...

Step-by-step explanation:

A nickel has an approximate diameter of 20 millimeters and an approximate thickness of 2

millimeters. What is the approximate volume of a stack of 40 nickels?

Answers

Answer: a nickel is not big so it does not take much soace
Explanation: Just know its that

50 points.... Y’all are mean and don’t help me but help everyone else.... correct answer will get brainliest.... if y’all help me....anyway...

Answers

2+2 = 4 8238638292928363782929292

Answer:

(1, -2)

Step-by-step explanation:

Point A has coordinates:

A(2, 1)

Rule of 270° rotation:

(x, y) → (y, - x)

Coordinates of A':

A' = (1, -2)

*WILL MARK BRAINLIEST*10 POINTS
How many triangles can be made given the following angles?
33°, 42°, 66°

A: One triangle
B: More than one triangle
C: No triangle can be made

Answers

Answer : C

No triangle can be made because every triangle has to be equal to 180 degrees to be considered a triangle.

*WILL MARK BRAINLIEST*
Find the circumference of the circle.

A: 47,1 in
B: 22 in
C: 10.5 in
D: 35 in

Answers

Answer:

C≈47.12, or 47.1

Step-by-step explanation:

To find the circumference you just use the formula C=2[tex]\pi[/tex]r.

The radius of your circle is 7.5 which is half of 15, now multiply 2[tex]\pi[/tex](7.5) which gives you your answer!

An even easier way to do this is to use the other formula C=d[tex]\pi[/tex],

Just multiply your diameter (which is what was given to you) by pi and you also get your answer!

Hope this helps! :)

2(n + 5) = −2 pls show your work

Answers

Answer:

2(n + 5) = -2

2n + 10= -2

2n = -12

n= -6

Step-by-step explanation:

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