Mathematics High School

Will the answer to this expression be POSITIVE or NEGATIVE?

12 - 22

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Answer 1

Answer:

the answer is -10

Step-by-step explanation:

the steps are in the picture

Answer 2

Answer:

The answer to this expression would be negative.

Step-by-step explanation:

-10

Related Questions

Solve the inequality:
2x - 7<-5 or 10x + 5 >85

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Answer:

Step-by-step explanation:

hi its me addison ray

What is the value of the expression (5)^3

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Answer:

the answer is 125.

Step-by-step explanation:

hope this helps!

Answer:

x = -125

I got it right

For every 1 litre of water used to make a medicine, 150 ml of sucrose and 600ml of saline solution are used. Express the amount of water, sucrose and saline solution needed as a ratio in its simplest form.

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Answer:

1 litre:150ml:600 ml

Step-by-step explanation:

1 liter water

150 ml sucrose

600 ml saline

Answer:

20:3:12

Step-by-step explanation:

Which Theorem Is Being Used?

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Step-by-step explanation:

by SAS since line BD is a perpendicular bisector

Answer:

Pythagoream theorem is being used

Your teacher is giving a test worth 200 points. There are a total of 32 four-point and
seven-point questions. How many 4 and 7-point questions are on the test?

Answers

a+b=32
4a+7b=200

a = 15
b = 20

There are 15 four pointers and 20 seven pointers. You can plug in the numbers to check.

I believe this is correct. If not i am extremely sorry.
Have a wonderful day :)

Answer: a+b=32

4a+7b=200

a = 15

b = 20

There are 15 four pointers and 20 seven pointers. You can plug in the numbers to check.

it only 5 points but it’s okay.

Step-by-step explanation:

PLEASE BRAINLIEST AND 50 POINTS PART 1 Clare estimates that her brother is 4 feet tall. When they get measured at the doctor's office, her brother's height is 4 feet, 2 inches.

Which measurement should be considered the actual height?

Answers

Because the doctor actually measures his height. The height of 4 feet 2 inches should be considered the actual height.

the given diagram can be used to prove the Pythagorean theorem. which expression represents the total area of the red and blue squares?

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Answer: the answer a2 + b2

area of red square = a2; blue square = b2 -> total area = a2 + b2

Step-by-step explanation:

N more then then the difference of 7 and 2

Please help me ASAP!!!!

Answers

Answer:

what exactly is your question

I really need help so please be right .Write the radical in simplest radical form and you must show all steps please. √(5/8)

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Answer:

√5/6

Step-by-step explanation:

What is the sum of the coefficients in the polynomial 4x^2-3-7x^3

Answers

Answer:

-3

Step-by-step explanation:

Coefficients are numbers before variables

Can somebody help me with these? Will mark brainliest!

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Answer:

5) rotation

6) rotation

State if the given functions are inverses.
1)
F(x)=1/2x -2
g(x) = 2x + 4

Answers

Answer:

Yes

Step-by-step explanation:

if [tex]f(x)=\frac{1}{2}x-2[/tex] then what is [tex]f^-1(x)[/tex] (the inverse of f(x)? let's find out[tex]f(x)=\frac{1}{2}x-2\\y=\frac{1}{2}x-2[/tex] make f(x) into yThen make y into x and make x into y so [tex]x=\frac{1}{2}y-2[/tex][tex]x=\frac{1}{2}y-2[/tex] now get the new y on the left and everything else on the right[tex]x=\frac{1}{2}y-2\\x+2=\frac{1}{2}y\\2(x+2)=(2)\frac{1}{2}y\\y=2x+4[/tex] now make y = g(x)[tex]g(x)=2x+4[/tex] So you found the inverse of f(x) and it is the same as g(x), so the functions are inverses of each other

Determine the range of the following graph

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The range is the y-values. Here is the answer and explanation :)

what is the average rate of change?

f(x)=x^2+3

From x=0 to x=3

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Answer:

Step-by-step explanation:

Find the slope of the line that passes through the points (1, -2) and (9,7)

Answers

Answer:

9/8

Step-by-step explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

= ( 7 - -2)/( 9 - 1)

= ( 7+2)/( 9-1)

= 9/8

A: x = 3
B: y = 3
C: y = x
D: x = 6
help please

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I think it’s C because you would use a rise over run method

What is the correct answer to this equation 2+10×2-5+3=

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Answer:

Step-by-step explanation:

apply BODMAS

10*2+3+2-5

2+20-5+3
22-5+3
17+3
20

The answer is 20

(2.3x10^4)x(1.5x10^-2

Answers

here's the solution luv

Answer:

3.45x10^2

Step-by-step explanation:

Thankyou

What is 3 ÷
2
5
?

The quotient is 7 and
.

A number line going from 0 to 3. Numbers 0, 1, 2, and 3 are marked on the line. Marks divide the spaces between each number into 5 equal parts.

Answers

Answer:

The quotient is 7 1/2.

Answer:

1/2

Step-by-step explanation:

got it right on edge

find three consecutive integers whose sum is 21

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Answer:

6 + 7 + 8 = 21

Step-by-step explanation:

6, 7, and 8 are consecutive integers.

6 + 7 is 13. 13 + 8 = 21. So, 6 + 7 + 8 are consecutive integers that equal 21.

Answer:

6+7+8= 21

Step-by-step explanation:

6,7,8 follow consecutively. and if you add them, the sum is 21

2)
2r+8-r=-7 solve the equation

Answers

Answer:

r = -15

Step-by-step explanation:

2r + 8 - r = -7

~Combine like terms

r + 8 = -7

~Subtract 8 to both sides

r = -15

Best of Luck!

Answer:

hii

Step-by-step explanation:

Group Like Terms

2r-r+8=-7

Add smiliar elements

r+8=-7

Subtract 8 form both sides

r+8-8=-7-8

SImplify

r=-15

If the sides to a triangle are 20, 40, and 80 cem, is it Right triangle?

Answers

Answer: no

because using Pytago theorem, we have:

20² + 40² ≠ 80²

80² + 20² ≠ 40²

80² + 40 ² ≠ 20²

Step-by-step explanation:

Answer:

No, it does not follow the Pythagorean Theorem.

Step-by-step explanation:

A right triangle must follow the equation a^2 + b^2 = c^2 for its sides to be true. 20^2 + 40^2 = 2000.

the square root of 2000 equals about 44.7213595.

Thus, a triangle with sides 20, 40, and 80 is not a right triangle.

4x – 2y = 2
x = y + 4

Answers

Answer:

y = -7 and x = -3

Step-by-step explanation:

Substitute x for y + 4 in the first equation and solve for y

4(y+4) - 2y = 2

4y + 16 - 2y = 2

16 + 2y = 2

2y = -14

y = -7

Then in order to find x, substitute y for -7 in the second equation

x = -7 + 4

x = -3

Answer:

x= -3, y= -7

Step-by-step explanation:

substitute x=y+4 in the first equation

4 (y+4) -2y =2 distribute

4y+16-2y=2 subtract both sides by 16

4y-2y=2-16 combine like terms

2y= -14 divide both sides by 2

y=-7

x=y+4 substitute y=-7

x= -7+4

x= -3

A box of greeting cards contains 20 birthday cards, 15 get-well cards, and 15 thank-you cards.

Find the percent of each type of card in the box

Answers

Answer:

Birthday Cards= 40%

Get-well cards= 30%

Thank-you cards= 30%

Step-by-step explanation:

Can someone help me answer this pls.

Answers

Scale shows weight = 193

Weight of assistant = 135

Weight of dog = x

x = 193 - 135

x = 58

The dog weighs 58 pounds.

find the nth term of the sequence -5,-1,3,7

Answers

4n - 9

Step-by-step explanation:

use formula nth term = a + (n-1)d where a is the first term and d is common difference

Answer:

[tex]\bold{a_n=4n-9}[/tex]

Step-by-step explanation:

-1-(-5) = 4 and 3-(-1) = 4 and 7-3 = 3

so: d=4

[tex]a_n=a_1+d(n-1)\\a_1=-5\\d=4\\\\a_{n}=-5+4(n-1)=-5+4n-4=4n-9[/tex]

What is -5(-10z + -4) +-3

Answers

Answer:

50z + 17

Step-by-step explanation:

-5(-10z + -4) +-3

distribute

= 50z +20 -3

=50z + 17

Answer:

50z + 17

I hope this helps!

Determine the domain and the range for this relationship. Drag the tiles to the correct locations on the image. Not all tiles will be used.
0 ≤ x ≤ 720 ≤ x ≤ 60 ≤ y ≤ 6{0, 12, 24, 36, 48, 60, 72}{0, 1, 2, 3, 4, 5, 6}{0, 6, 12, 18, 24, 30}0 ≤ y ≤ 72

Answers

Answer:

Domain: {0,6,12,18,24,30}

Range: {0,12,24,36,48,60,72}

Step-by-step explanation:

I hope I'm right very sorry if I'm not. If so please give "Brainiest". :)

Thanks!!

The domain of 0 ≤ x ≤ 6 is x ∈ [0, 1, 2, 3, 4, 5, 6], and the range of the 0 ≤ y ≤ 6 is y ∈ [0, 1, 2, 3, 4, 5, 6].

What is a function?

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

0 ≤ y ≤ 72

The range will be y ∈ [0, 72]

0 ≤ x ≤ 72

The domain will be x ∈ [0, 72]

0 ≤ x ≤ 6

The domain will be x ∈ [0, 1, 2, 3, 4, 5, 6]

0 ≤ y ≤ 6

The range will be y ∈ [0, 1, 2, 3, 4, 5, 6]

Thus, the domain of 0 ≤ x ≤ 6 is x ∈ [0, 1, 2, 3, 4, 5, 6], and the range of the 0 ≤ y ≤ 6 is y ∈ [0, 1, 2, 3, 4, 5, 6].

Learn more about the function here:

brainly.com/question/5245372

#SPJ5

PLEASE ANSWER!!!!! ASAP!!! WILL GIVE BRAINlIST!!!!!!!! THANKS!!!

Answers

Answer: 118

Explanation:
SA = (2*7*5)+(2*7*2)+(2*2*5)
= 70+28+20
SA = 118

Xoxo

Nicholas has 22 nickels, dimes, and quarters. There are 3
less dimes than quarters and 2 more dimes than nickels.
How much money does he have?

Answers

Nickels: 22

Dimes: 24

Quarters: 27

2 more dimes than nickels, we already know that there are 22 nickles so...

Dimes= 24

3 less dimes that quarters ^(we already know how many dimes).

All we have to do is add 3 to the amount of dimes!

Quarters 27

____________________________________________________________

Now to find the amount of money you have to find out what each coin equals and multiply the number of coins by the cost of each coin, and then by 100 because there are 100 cents in 1 dollar.

22 nickels*5/100= $1.10

24 dimes*10/100= $2.40

27 quarters*25/100= $6.75

1.10+2.40+6.75= $10.25

The amount of money he has in $10.25

Other Questions

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Will the answer to this expression be POSITIVE or NEGATIVE? 12 - 22

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Will the answer to this expression be POSITIVE or NEGATIVE?

12 - 22