Can anyone please help me with 13-16 I’m begging anybody

Answers

Answer 1

Answer:

-3

Step-by-step explanation:

An even number of negative numbers will give a positive answer. An odd number of negative numbers will give a negative answer.

13-16, 16 is larger than 13 so it's negative

Related Questions

Find the solutions of each equation on the interval [0, 2π)

Answers

Answer/Step-by-step explanation:

Factor this. GCF=2

2(2cos2x+cos x-1)=0

2(2cos x -1)(cos x+1)=0 Set each factor equal to zero and solve

2cos x -1=0 Add 1 to both sides

2cos x =1 Divide by 2

cos x =1/2

x=π/3

x=5π/3

cos x+1=0 Subtract 1 from both sides

cos x=-1

x = π

= 28.16
Riya buys 9 square paving slabs, each with a side of 1m. She lays them in the form of square.
(b) Shari does not like her arrangement. She gets her to lay them out like a cross. What is
the perimeter of her arrangement?

Answers

Answer:

20 m

Step-by-step explanation:

4(3+2) = 20

in a school 3/8 students are boys and 850 are girls.fi nd the number of boys in the school
I

Answers

Answer:

Answer: Not too Sure... Maybe 318

13. Jannah purchased flowers to plant in
her garden. She planted 2 flowers in
each of her 5 flower beds plus 8 flowers
around a pond. Write an expression
that shows how many flowers Jannah
planted.

Answers

Answer:

2x5=10+8

Step-by-step explanation:

my answer need to be 20 characters long so I had to write this too

Evaluate
28.47% of 637.38cm
Give your answer rounded to 2 DP.
cm

Answers

Answer: 181.46 cm.

Step-by-step explanation: The real answer is 181.462086 cm but we can round that to 2 decimal places.

637.38 × 28.47/ 100

= 181.46

Whats the y-intercept of the line x + 6y = -18

Answers

Answer:

Step-by-step explanation:

Answer:

it's −3

Step-by-step explanation:

BRAINLIEST TO BEST ANSWER :D
Ali was asked to simplify the expression 3(x - 6) + (4x + 12) - 6x. His work is shown below.

3(x - 6) + (4x + 12) - 6x

3x - 9 + 4x + 12 - 6x

(3x + 4x - 6x) + (-9 + 12)

x + 3

Question 1
Identify the line which contains the error.
A 3(x - 6) + (4x + 12) - 6x
B 3x - 9 + 4x + 12 - 6x
C (3x + 4x - 6x) + (-9 + 12)
D x + 3

Answers

Answer:

Step-by-step explanation:

Answer:hope this helps!!! :)

defenitly A it equals x-6 not x-3

3(x - 6) + (4x + 12) - 6x => − 6

Step-by-step explanation:

write these ratio in its simplest form 200:180

Answers

Answer:

10:9

Step-by-step explanation:

An angle measures 9.4° more than the measure of its complementary angle. What is the measure of each angle?

Answers

Answer:

x = one angle

90 - x = complementary angle {complementary angles add up to 90�}

x = 90 - x + 86 {one angle is 86� more than its complementary angle}

x = -x + 176 {combined like terms on right}

2x = 176 {added x to each side}

x = 88 {divided each side by 2}

90 - x = 2 {substituted 88, in for x, into 90 - x}

one angle is 88�

the complementary angle is 2�

Step-by-step explanation:

Find the value of x. Explain your work please.
Concurrency of Angle Bisectors

Answers

Answer:

[tex]x+5=2x-1[/tex]

combine terms

subtract x from both sides and add 1 to both sides

[tex]6=x[/tex]

Answer is A

PLS ANSWER ASAP THIS QUESTION IS WORTH ABOUT 50 POINTS PLS ANSWER PROPERLY PLS PLS

Raul paid $48 for a sweater. He also paid a 7% sales tax. How much was the tax and what was they total cost

Answers

Answer:

Tax: $3.36

Total Cost: 51.36

Step-by-step explanation:

First, we need to figure out the tax, which is 7% of 48. Meaning that the tax is $3.36. Then, we add that to the cost of the sweater which is $48, which means that the total cost is 3.36 + 48 = $51.36

Plz mark as brainliest :D

In ΔKLM, k = 13 cm, l = 17 cm and m=28 cm. Find the measure of ∠K to the nearest degree.

Answers

Answer:

Step-by-step explanation:

Delta math

Answer:

Step-by-step explanation:

delta math

if (a+b)+(a-b)i=7+2 find a and b

Answers

Answer:

a = 4.5

b = 2.5

Step-by-step explanation:

The question is incomplete.

Complete question

If (a+b)+(a-b)i=7+2i find a and b

Compare the terms on both sides

a+b = 7

a-b = 2

Add both equations

a+a = 7+2

2a = 9

a = 9/2

a = 4.5

Recall:.

a+b = 7

4.5+b = 7

b = 7-4.5

b = 2.5

x + 5 x < -2 4 – x2 -2

Answers

x2 < −6x − 26

x < -x2/6 - 13/3

The sum of1/2 and 1/5 is between 1/2 and 1?

Answers

Answer:

the answer is 7/10, and yes it is between a whole and a half because 7/10 is over 1/2 but less that a whole.

What is the standard form of 17 and 223,000

Answers

Seventeen and Two hundred and twenty three thousand

HELPP!!! What is the measure of y? 4 9

Answers

Answer:

Step-by-step explanation:

4 × 9 = [tex]\sqrt 36[/tex] = [tex]\sqrt{6}[/tex]

The value of y is 6 units obtained by applying pythagoars's theorem in all possible right-angled triangles.

What is Pythagoras's theorem?

In a right-angled triangle, the sum of the squares of the smaller two sides of a right-angle triangle is equal to the square of the largest side.

From the figure, we have three unknowns x, y, and z and we have 3 right-angled triangles so three equations can be formed.

x² = 4² + y²...(i)

z² = 9² + y²...(ii)

(4 + 9)² = x² + z²

13² = x² + z²...(iii)

Now, Subtracting eqn(ii) from eqn(iii) we have.

169 = x² + z²

(-) 81 = -(y)² + z²

-------------------------

88 = x² + y²...(iv).

Now adding eqn(i) and eqn(iv) we have,

2x² = 104.

x² = 52.

Putting this value in eqn(i) we have,

52 = 16 + y².

y² = 36.

y = 6.

learn more about Pythagoras' theorem here :

https://brainly.com/question/21926466

#SPJ2

Mr.Jones can bench 205 pounds. The bar weighs 45 pounds, how much weight is on each side

Answers

Answer:

205-45÷2

Step-by-step explanation:

205-45=160

160÷2=80

80lb

Solve the Antiderivative.

Answers

... 1
∫-------- dx
√2x-x²

... 1
∫------------------dx
√( 1-(x-1)² )

let u = x-1
du = dx

... 1
∫------------------ du
√( 1-u² )

= arcsin(u)
= arcsin (x-1)

If a manufacturer's list price is $800 and Bill's Outlet buys the goods for $650, what is the trade discount percent? (Round answer to
the nearest hundredth percent)

Answers

Answer:

The discount percent is 18.75%

Step-by-step explanation:

The amount of money that was lost in this discount is $150, to calculate the percent, you subtract the original price by the discounted price, and then divide the difference by the original price and multiply that by 100% to get the discount percent. [tex]\frac{150}{800}[/tex] * 100% equals 18.75%, so that would be the discount percent.

Find the area of a square with sides of length 1 /3 yard. pls help

Answers

Answer:

1/9 yards ^2

Step-by-step explanation:

[tex]\frac{1}{3}^2 =\\\frac{1}{3} * \frac{1}{3}=\\\frac{1}{9}[/tex]

Solve seven tenths times two fourths

Answers

7/20 or 0.35 I believe

Answer:

with simplify: 1 4/20.

without simplify: 24/20

Step-by-step explanation:

first we have to find the common denominator

can 4 go into 10? no.

can 4 go into 20? yes! it goes into 20, 5 times!

common denominator = 20

_/20 + _/20

what we do to the bottom we do to the top

7 x 2= 14

14/20 + _/20

2 x 5= 10

14/20 + 10/20 = 24/20

now simplify

1 4/20

hope this helped!

Question 2 (1 point)
If 5 hours is 25% of the time a trip will take, how long will it take?

Answers

20 hours because 5x4=24 and 1/4=25

Answer:

20 hours

5 hours- 25%

10 hours- 50%

15 hours- 75%

20 hours- 100%

16/20 – 1/4 =

I need help please thank you

Answers

Answer:

11 / 20

Step-by-step explanation:

16 / 20 - 1×5 / 4×5

16 / 20 - 5 / 20

16 - 5 / 20

= 11 / 20

Ill give u the brainlest if u are correct please hurry and show how u got ur answer

1. While doing construction on your new house, you notice that it takes 6 minutes to put up 22 shingles on the roof. Which one of the following is a correct sentence to describe the ratio of minutes to shingles?

Group of answer choices

There are 3.7 minutes for every 1 shingle put on the roof.

For every 3 minutes, there are 11 shingles put up.

There is 1 minute for every 0.27 of a shingle.

It takes 3.7 minutes to put up 22 shingles.

2..A researcher decides to study study frogs in a local forest. Funding for his project says:

2.For every 8 hours in the office, you will be allowed 100 minutes in the forest.

Which of the following is the correct ratio of forest to office time?

Group of answer choices

4.8

0.2083

12.5

0.08

3.Which of the following is equivalent to the ratio 5?

You don't have to show work for this problem.

Group of answer choices

1:5

5 to 1

1/5

0.2

4.Consider the number: 105,279,083,000

Which digit is in the ten billions place?

You don't have to show work for this problem.

Group of answer choices

7

5

9

0

5.Write the following number in correct scientific notation: 13.8 billion

You don't need to show work for this problem, but it's a good idea.

Group of answer choices

1.38 x 10^-10

1.38 x 10^10

13.8 x 10^9

1.38 x 10^7

Answers

Answer:

B or every 3 minutes there is 11 put up

Step-by-step explanation:

So 22 and 6 we divide them by 2 we get 11 and 3

3.7 x 2 is 22.2 so it’s just a bit over out 22

0.27 x 6 is 1.62 which is not 22

so my conclusion it’s 11 shingles put up each minute

Suppose an amusement park bought a merry‐go‐round for $92,000. 42,512 people paid $2 each to ride the merry‐go‐round in its first year of operation. Did the park earn or lose money in the first year? How much?

Answers

Answer:

yes they did lose money

Step-by-step explanation:

42,512×2 = 85,024

92,000 - 85,024 = 6,976

they lost $6,976 in the first year

What is the probability of randomly selecting a card from a standard 52 card deck and having the card be a face card or an even numbered card?

A) 5.16
B) 16.5
C) .165
D) .615

Answers

I think c but don’t take my word

first time taking a picture but some one help me, this is the last question and I want to die.

Answers

Answer:

Step-by-step explanation:

If 3x = 6, then x = 2.
a. Addition b. Subtraction c. Square root d. Division

Answers

Answer:

Its D. Division

Step-by-step explanation:

Because you have to divide 3 from x and also to 6 and you will get x equals 2.

The answer is d. Division.

Explanation:

3x = 6

3x/3 = 6/3 {Divided by 3}

x = 2

Hope it helps!

Are there any supplementary, vertical, or complimentary angles? If so wich ones

Answers

Supplementary: N and M

Supplementary angles: A pair of angles whose sum is equal to 180°.

Vertical: N and R

Vertical angles: A pair of opposite angles that are made by two intersecting lines.

Complimentary: P and Q

Complimentary angles: A pair of angles whose sum is equal to 90°.

Hope this helps! :D

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