Mathematics High School

What are two numbers whose product is 81 and their sum is -18?

Answers

Answer 1

Answer:

-9

Step-by-step explanation:

-9  * -9 = 81

-9 + -9 = -18

Answer: -9

Related Questions

What is the equation of the line that passes through the point (- 1, - 5) and has a slope of -1

Answers

Answer:

y = -x - 6

Step-by-step explanation:

Slope = m = -1

Equation of line: y = mx + b

y = - x + b

Plugin x = -1 and y = -5 in above equation

-5 = -(-1) + b

-5 = 1 + b

-5 - 1 = b

b = -6

Equation of the line: y = -x - 6

Solve b/6 > -7 please help

Answers

Answer:

A. b > -42

would be your answer.

Answer:

A. b > -42 would be the answer

Find the difference
a. 41- 275
b. -15 - 47
c. -72 - (-151)
d. 612 - (-144)

Answers

Answer:

41-275=234

15-47=62

-72-{151}=223

612-144=174

Step-by-step explanation:

Given the overlapping triangles shown at the right. Notice the parallel segments. Find x. 6 х 9 MathBils.com 20​

Answers

Using the principle of parallel lines, the value of x in the given triangle is calculated to be 8

The smaller triangle can be expressed as :

Side / base = 6/x ----(1)

The larger triangle can be expressed as :

Side / base Side = 6+9 = 15 15/20 - - - - - (2)

Equating (1) and (2) :

6/x = 15 / 20

15x = 20 × 6

15x = 120

x = 120 / 15

x = 8

Therefore, the value of x in the triangle is 8.

Learn more : https://brainly.com/question/25326255

whats the numerator for the following rational expression 8/y+3/y=?/y

Answers

Answer:

11/y

Step-by-step explanation:

Becasue you gave a formula with a common denominator, you only have to focus on adding the numerators 8 and 3

8 + 3 = 11 so than 11 goes over 'y' as 11/y

Hope this helps!

9) List the numbers in order from least to greatest.
square root of 5, 2.5, 2 1/3 , square root of 8

Answers

Square root of 5, 2 1/3, 2.5, square rot of 8

Fill in the blank statement to make it true. -3 x _ =12

Answers

It’s -4 Bc negative times negative is a positive 3 times 4 = 12 so then just add the negatives.

The cost of printing different numbers of copies of a book is shown on the graph below.

Which equation represents the cost ,C, of printing n copies of the book?

Answers

Answer:B

Step-by-step explanation:200 times 2 is 400

C-12=-4show me step by step

Answers

Answer:

C = 8

Step-by-step explanation:

Rearrange the equation to make C the subject.

C - 12 = -4

Add 12 to both sides.

C - 12 + 12 = -4 + 12

C = -4 + 12

C = 8

Check it:

C = 8

So substitute the new found value into the original equation:

C - 12 = -4

8 - 12 = -4

-4 = -4

All good.

Answer:

C = 8

Hope this helps!

Step-by-step explanation:

C - 12 = -4

C - 12 + 12 = -4 + 12    ( Add both sides by 12 )

C = 8      ( Simplify )

i Square = Square Root -1. True or false

Answers

Answering is false I know because I’m smart

Determine the relationship between the two triangles and whether or not they can be proven to be congruent

Answers

9514 1404 393

Answer:

  the triangles are congruent

Step-by-step explanation:

The side marked congruent is between the angles marked congruent, so the triangles are congruent by the ASA congruence postulate.

plz help i reward brainliest
plz no silly answers too

Answers

Answer:

3

Step-by-step explanation:

On a snow day, Kayden created two snowmen in his backyard. Snowman A was built to a height of 59 inches and Snowman B was built to a height of 34 inches. The next day, the temperature increased and both snowmen began to melt. At sunrise, Snowman A's height decrease by 7 inches per hour and Snowman B's height decreased by 2 inches per hour. Let AA represent the height of Snowman A tt hours after sunrise and let BB represent the height of Snowman B tt hours after sunrise. Write an equation for each situation, in terms of t,t, and determine the interval of time, t,t, when Snowman A is taller than Snowman B.

A=
B=

Snowman A is taller than Snowman B when tt ___ __ ___

Answers

Answer:

AA=59-7t

BB=34-2t

t<5

Step-by-step explanation:

AA=59-7t

BB=34-2t

Snowman A is taller than Snowman B while 59-7t > 34-2t

25>5t

t < 5 hrs

Mikey spent 16 hours and 36 minutes on a puzzle. He's almost done but needed 4 hours and 43 more minutes to complete it. How long did it take Mikey to finish the puzzle?

Answers

Answer:

21 hours and 19 minutes

Step-by-step explanation:

Are the triangles congruent?
-yes by SSS

-yes by SAS
-yes by ASA
-yes by AAS
-yes by HL

Answers

Answer:

yes by SAS

it is Side angle Side

what is 0.25+1/8+24+60=

Answers

Answer:

84.375 or 675/8

Step-by-step explanation:

given the graphs of f and g below, find the following. give the exact if defined.

Answers

Answer:

looks like your understanding is pretty good! I'm not sure how you missed the first 2... you should check those two against your understanding.

Step-by-step explanation:

a) 2

b) 1

I NEED HELPPP WHEN THESE!!! please can someone help

Answers

Answer:

a: 36

b: 10

c: 3.2

d: a

Step-by-step explanation:

Answer:

A = 36

B = 10

C = 3.2

D = a

Step-by-step explanation:

The square roots and power of 2s zero each other out.

Given: mIl n
m
46°
6x - 2
n
What is the value of x?
x=

Answers

Answer:

276 hope this helped :)

Step-by-step explanation:

what is the unit rate of 588 and 12

Answers

Answer:

49

Step-by-step explanation:

588  divided by 12                        49

___                                  =           -------          

12    divided by 12                           1

Hope this helped, click thanks if it did

Can someone help me with number 8?

Answers

Answer:  18.55 ft/s

Step-by-step explanation:

Rate of change = change in distance ÷ change in time

                          =  (3126 ft - 1735 ft) ÷ (120 s - 45 s)

                         = 1391 ft ÷ 75 s

                         ≈ 18.55 ft/s

∴ the rate of change is 18.55 ft/s.

plz help. The ratios of M&M's to skittles in the candy dish is 4 to 1. given this ratio, which two sets of candy counts are possible?​​

Answers

The answer is the first and second answers. This is because when you deal with ratios you can get an equal ratio by multiplying both sides of the ratio by the same number. In the first answer both side of the ratio were multiplied by 2. 4 x 2 = 8 and 1 x 2 = 2.

Evaluate for b

50 = -1/3b + 20

Answers

Answer:

b= -90

Step-by-step explanation:

30= -1/3b

multiply by negative 3 on both sides to make -1/3 into 1.

-90 = b

Answer:

Solve the rational equation by combining expressions and isolating the variable bb.

Exact Form:

b= -1/90

what is the x intercept to x+4y=8

Answers

Answer:

The x-intercept is 8.

Step-by-step explanation:

To find the x-intercept, set y = 0 and solve for x

x + 4y = 8

x + 4(0) = 8

x + 0 = 8

x = 8                        The x-intercept is 8

Please help me in this:

Answers

Answer:

;sjjdje

Step-by-step explanation:

4djdeje

Anyone know how to solve this? Pease show how you got the answer:)

Suppose you used one quarter of a sheet of paper for each ad and four full sheets for the title banner in Problem 2. How many ads could you make?

- 56 ads
-48 ads
-64 ads
-12 ads

Answers

- 56 ads jajjajahahahahajha

What is the probability of spinning red on and then yellow

Answers

about how many times will you be spinning it, i need more context to answer the question !!
Agree with first answer and what is it that ur spinning

What is the sum to 5(−3.4k−7)+(3k+21)

Answers

Your answer is: -14k-14

Step-by-step explanation:

5(-3.4k-7)+(3k+21)

_17k-35+3k+21

-14k-35+21

-14k-14

Answer:

5(-3.4k-7)+(3k+21)

_17k-35+3k+21

-14k-35+21

-14k-14

Your answer is: -14k-14

what is 17 = x - 15 with written work please

Answers

Answer:

32

Step-by-step explanation:

15+17=32

x=32

hope this helps

32

Step-by-step explanation:

17 = x - 15

or, 17 + 15 = x

or, 32 = x

Therefore, x = 32 Ans

what are the equations to the graph
Can someone help me no bots or ill report ill also give brainly when their is 2 answer

Answers

The equations are y=3x-1 and y=-3x+5

I’ll try to solve it in the comments if you still have time

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