Mathematics Middle School

Find the sum.

20+(−5)

Answers

Answer 1

Answer:

[tex]20 + ( - 5) = > 20 - 5 \\ = > 15[/tex]

hope helpful <3

Answer 2

Answer:

15

Step-by-step explanation:

Related Questions

I need help please!!!
I need the answer take your time to answer it please!

Answers

Answer:

it is one of the top 2 cant figure out wich one though, sorry :(

Step-by-step explanation:

It’s the second one I got 100 percent when I chose it

fy the sequences of transformations based on whether or not they prove the congruency of the shapes by mapping shape I ont a reflection across the y-axis, followed by a 90° clockwise rotation about the origin, and then a translation left 18 units a 90° clockwise rotation about the origin and then a translation left 18 units a 90° counterclockwise rotation about the origin, followed by a reflection across the y-axis, and then a translation left 18 units a 90° clockwise rotation about the origin, followed by a reflection across the y-axis, and then a translation right 2 units a 180° rotation about the origin, followed by a reflection across the y-axis, and then a 90° clockwise rotation about the origin a reflection across the y-axis, followed by a 90° counterclockwise rotation about the origin, and then a translation right 2 units Maps Shape I onto Shape II Does not Map Shape l onto Shape II​

Answers

Answer:

Step-by-step explanation:

10, 8

-8, -8

Transformation is a method required to resize or change the orientation of a given shape or figure. The required answer is:

i. Statements b and d would map Shape l onto Shape II​ii. Statements a, c, e, and f does not map Shape l onto Shape II​

Transformation is a method required to resize or change the orientation of a given shape or figure. The types of transformation are translation, reflection, rotation, and dilation.Translation is a method that requires moving every point in a given shape in the same direction and same unit.

Reflection is a method that involves flipping a given figure about a given reference point or line. Rotation is a method that required turning a given figure at an angle about a reference point. Dilation is a method in which the length of the sides of the figure is either increased or decreased.Thus the answers to the question are listed as follows:

a. a reflection across the y-axis, followed by a 90° clockwise rotation about the origin, and then a translation left 18 units. Does not Map Shape l onto Shape II​b. a 90° clockwise rotation about the origin and then a translation left 18 units Answer: Maps Shape l onto Shape II​c. a 90° counterclockwise rotation about the origin, followed by a reflection across the y-axis, and then a translation left 18 units d. Does not Map Shape l onto Shape II​d. a 90° clockwise rotation about the origin, followed by a reflection across the y-axis, and then a translation right 2 units Answer: Maps Shape l onto Shape II​e. a 180° rotation about the origin, followed by a reflection across the y-axis, and then a 90° clockwise rotation about the originAnswer: Does not Map Shape l onto Shape II​f. a reflection across the y-axis, followed by a 90° counterclockwise rotation about the origin, and then a translation right 2 units. Does not Map Shape l onto Shape II​.

For more clarifications on the reflection of a figure, visit: https://brainly.com/question/20840412

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Please help! Cumulative Practice.
Question in picture

Answers

Answer:

                                                   

Step-by-step explanation:

9 | 20 + d and 20 ≤ 20 + d ≤ 29
1. What does the line mean?
2. What is the meaning of "|" in this equation and also in algeria? Please explain.

Answers

the line means like equal to so it’s like 20 is greater than or equal to 20
The line means absolute value of one number.

find the gcf of 30 and 66

Answers

Answer:

6 is the GCF of 30 and 66

Step-by-step explanation:

The GCF of two non-zero integers, x(30) and y(66), is the greatest positive integer m(6) that divides both x(30) and y(66) without an remainder.

Calculate the difference between 1/5 and 5/8
A: 1
B: -17/40
C: 1 1/3
D: -17/30

Answers

Answer:

The difference between means we are subtracting. 1/5 - 5/8 = -0.425 = -17/40

Solution:

Since 5/8 is greater than 1/5, it is a negative fraction.

Hope this helps!

Answer:

B. -17/40

Step-by-step explanation:

p = 2l+2w

show your work; solve for w.

subject: math, literal equations

Answers

P=2l+2w first step is to subtract the 2l on both sides to get p-2l=2w. Now divide by 2 on both sides to get p/2-l=w
(p/2)-L = w
Hope the photo helps

Solve dis sushma if u r so smart

Answers

Answer:

[tex]f(2)=-2[/tex]

Step-by-step explanation:

Looking at the graph we can see where the y value is located when [tex]x=2[/tex]. From this, we can determine that at an x value of 2, the y value is -2.

The total is -2 hope it helps

Given F(x) =3x+2 and g(x) = 2x2 , find the following composite functions:
a. (g*f)(3)
b. (f*g)(x)

Answers

Answer:

b. (f*g)(x)

Step-by-step explanation:

Set up the composite result function.

g ( f ( x ) )

Evaluate  

g (f ( x ) )

by substituting in the value of  

f  into  g . g ( 2 x 2 + 3 ) =3 ( 2 x 2 + 3 ) − 2

Simplify each term.  

g ( 2 x 2 + 3 ) = 6 x 2 +9 − 2

Subtract  

2  from  9 . g ( 2 x 2 + 3 ) = 6 x2+ 7

Answer: B

Step-by-step explanation:

Set up the composite result function.

g ( f ( x ) )

Evaluate  

g (f ( x ) )

by substituting in the value of  

f  into  g . g ( 2 x 2 + 3 ) =3 ( 2 x 2 + 3 ) − 2

Simplify each term.  

g ( 2 x 2 + 3 ) = 6 x 2 +9 − 2

Subtract  

2  from  9 . g ( 2 x 2 + 3 ) = 6 x2+ 7

4 x 9.4
Pls SOLVE and EXPLAIN how you got this
Pls answer Quickly

Answers

Answer:

4 x 9.4 = 37.6

Work is in PDF file. Try your best to read.

Step-by-step explanation:

Hoped this helped.

3/4
3/8=
?/?÷3/8=
/ × /
=
servings

Answers

Answer:

9/32

Step-by-step explanation:

Pretend that 3/4 is z and 3/8 is y and x is the solution

x/y=z is same as z*y=x 3/4*3/8=9/32

9/32
I had the same question

ILL GIVE BRAINEIST TO WHOEVER ANSWERS

Answers

Answer:

Im not sure but i would go with my guts if i were you:)

Step-by-step explanation:

Answer: The answer is A) (0, 3.5). I hope my answer is very helpful to your own question about the graph of the linear equation that passes through the given point, please mark me as brainliest, and have a great rest of the day! :D

Sincerely,

Jason Ta,

The Ambitious of The Brainly And The Role of The TDSB And WHCI Student of The High School.

Step-by-step explanation:

Could somebody please help me find the answers for 'x' for these pictures?
**Please let me know which one you solved along with the answer**

Answers

Answer:

Pic 1: [tex]x=31[/tex]

Pic 2: [tex]x=20[/tex]

Step-by-step explanation:

Picture 1:

[tex]2x+x-3=90\\3x-3=90\\3x=93\\x=31[/tex]

First, add the 2x and x together for 3x

Then add 3 to both sides of the equation

Finally, divide each side by 3.

Picture 2:

[tex]7x+x+20=180\\8x+20=180\\8x=160\\x=20[/tex]

First, add 7x and x together for 8x

Then, minus 20 from both sides of the equation

Finally, divide each side by 8.

Step-by-step explanation:

First picture

We can make an equation with this

2x+x-3=90

3x=93

x=31 degrees

Second picture

We can make and equation

7x+x+20=180

8x=160

x= 20

don't add links please

Answers

Answer:

A

Step-by-step explanation: I think

a
explanation: got it write lol

Please help me i need help..

Answers

I can’t see the question

Point R is at (2, 1.2) and Point T is at (2, 2.5) on a coordinate grid. The distance between the two points is ____. (Input numbers and decimal point only, such as 8.2.)

Answers

Answer:

we can see that the x or the first number in both are 2 so there is no distance there, where there is a distance is the y which to find out we can just do 2.5-1.2=1.3

the distance between the two points is 1.3

1.3 that is the answer yw

Which rate is not equivalent to 180 feet per 8 seconds?

Answers

Answer:

Answer is D

Step-by-step explanation:

180/8 = 22.5

All the answers equal 22.5 except for 180/1

180/8 also cannot be equal to 180/1

Answer:

D. 180ft/1 sec

Step-by-step explanation:

Hope this helps!

Give the position of A on this number line.
Write a fraction for your answer.

Answers

Answer:

1/5

Step-by-step explanation:

0.25 also referred to as 1/4

help if you know pls and thanks

Answers

5/14 is the answer
Good luck on the test lol-

Give the position of A on this number line.
Write a fraction for your answer.

Answers

Answer:

4/6

Step-by-step explanation:

there is 6 dots and on the 4th dot there is a

4/6 because of the dots

help me out lord, help me fooks !

Answers

Step-by-step explanation:

V=Bh

V=πr²h

=π(9in)² (4in)

=π(81²) (4)

=81 x 4 = 324 π³

= 324(3.14)in³

multiply 324 x 3.14

= 1017.36 in³

Which graph shows the correct solution to the inequality below?

Answers

Answer:

Third Option

Step-by-step explanation:

3x + 18 > 6x - 9

We have to find the value of x for this

Subtract 18 from both sides to leave 3x alone

3x > 6x - 27

Subtract 6x from both sides to be able to find the value of x

-3x > -27

Divide by -3 on both sides

x > 9

The answer would be the third option, since X is anything greater than 9

The second one is the answer

PLS help i need this done now!

Answers

Answer:

3

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

During a sale, cameras were discounted 30% from their original price of $295.99. To the nearest cent, how much was the camera during the sale to the nearest cent?

Answers

207.19 simple math.

Mr. Reynolds is a rancher. He started with a 150 cows in his herd. Due to a hole in his fence, he now has 120 cows in his herd. By what percentage was the number of cows in Mr. Reynold's herd reduced?

Answers

Answer:

20%

Step-by-step explanation:

Therefore, the percentage of the number of cows in Mr. Reynold's herd reduced is [tex]20[/tex] %.

What is the percentage?

A percentage is a number or ratio expressed as a fraction of [tex]100[/tex]. It is often denoted using the percent sign, "%".

Here given that,

Mr. Reynolds is a rancher. He started with a [tex]150[/tex] cows in his herd. Due to a hole in his fence, he now has [tex]120[/tex] cows in his herd.

Number of cows Mr. Reynolds have

[tex]\frac{120}{150}[/tex] ×[tex]100=80[/tex] %

So, the number of cows Mr. Reynolds reduced is

[tex]100[/tex] % - [tex]80[/tex] % = [tex]20[/tex] %

Hence, the percentage of the number of cows in Mr. Reynold's herd reduced is [tex]20[/tex] %.

To know more about the percentage

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Please explain I am very confused!

Answers

Answer:

42°

Step-by-step explanation:

Altitude of an isosceles triangle divides it vertex in equal angles

so ∠ABD = ∠PBC = 48/2 = 24

In ΔABC sum of angles = 180 and ∠A = ∠C

48 + A + C = 180

2A = 180 - 48 = 132

A = 132/2 = 66 = ∠C

As PB = PC  ---> ∠PBC = ∠PCB = 24

∠ACB = 66 = ∠PCD + ∠PCB

66 = ∠PCD + 24

∠PCD = 42

Geometry is kinda hard but use the homework app that your on and it will give the best answer

Please Help! Show your work

The Cost C (in dollars) of making n watches is represented by C=15n+85. How many watches are made when the cost is $385?

Answers

Answer:

The number of watches made is 8

Step-by-step explanation:

SO the equation is C=15n+85 where C is the total cost and N is the amount of watches

1)plug in C

385=15n+85

2)move 85 to the other side so it would become -85

385=15n+85 → 385-85=15n → 100=15n

3)divide 15 from both sides

100/15=15n/15 → 25/3=n

since the number of watches can't be a fraction, we round to the lowest number which is 8(24/3)

add or subtract
2+(−9)=

Answers

Adding a negative is like subtracting a positive. 2+(-9) equals the same as 2 - 9= -7

I CANT HELP MY BROTHER SOLVE THIS QUESTION AND I DONT WANT HIM TO CALL ME D*UMB PLZ HELP

Answers

Answer:

yes

Step-by-step explanation:

7 weeks * 7 days per week = 49 days49 days * 2 meals per day = 98 total meals98 meals * 31 grams per meal = 3038 grams after 7 weeks

Answer: Yes, he will meet his goal of eating 3,000 grams of protein in 7 weeks.

Step-by-step explanation: So for the top part your answer is supposed to be 4400.2 grams of protein in 7 weeks. You can get that by adding up the grams of protein for each type of food on the chart. Then you multiply that by 2 to get the amount they will be eating for 1 day which is 89.8. After that, because you have to solve for how much they will be eating for 7 weeks, you will have to multiply 89.9 x 49(days in total). To get you to the answer 4400.2. Now you have your answer for the second part of the problem. Yes, he will meet his goal of eating 3,000 grams of protein in 7 weeks.

Jessica ran on the track team at her school. She finished a 200-meter race in 54 seconds.

1. What was Jessica's average speed, in meters per second, for the 20-meter race?

Jessica ran in a 50-meter race next. On this shorter distance, Jessica's speed was 1 meter per second faster than her speed in the 200-meter race.

How many seconds did it take Jessica to complete the 50-meter race?

Answers

Answer:

I'm not sure but I think its 54 meters per second

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