Help HELP HELP HELP PLS!!!

Help HELP HELP HELP PLS!!!

Answers

Answer 1

Answer:

x = 40

Step-by-step explanation:

40° and (3x + 20)° form a straight line, and a straight line equals to 180°

=> 40 + (3x + 20) = 180

=> 3x = 120

=> x = 40

Answer 2
Is B x=40

I hope it’s that

Related Questions

The maximum walking speed S, in feet per second of an animal can be modeled by the equation S= √gL , where g=32ft/sec

Answers

Answer:

1.41

Step-by-step explanation:

The maximum walking speed S, in feet per second, of an animal can be modeled by the equation S= √(gL), where g = 32ft/sec² and L is the length, in feet, of the animal's leg. To the nearest hundredth, how many times greater is the maximum walking speed of a giraffe with a leg of 6 feet than a hippopotamus with a leg of 3 feet?

Step 1: Calculate the maximum walking speed of a giraffe

The leg of a giraffe measures L = 6 ft.

Sg= √(g × Lg)

Sg= √(32 ft/s² × 6 ft) = 13.86 ft/s

Step 2: Calculate the maximum walking speed of a hippopotamus

The leg of a hippopotamus measures L = 3 ft.

Sh= √(g × Lh)

Sh= √(32 ft/s² × 3 ft) = 9.80 ft/s

Step 3: Determine how many times greater is the maximum walking speed of a giraffe than a hippopotamus

We will make the ratio Sg/Sh

Sg/Sh = (13.86 ft/s)/(9.80 ft/s) = 1.41

The maximum walking speed of a giraffe is 1.41 times greater than the maximum walking speed of a hippopotamus.

What is the ratio?

It is described as the comparison of two quantities to determine how many times one obtains the other. The proportion can be expressed as a fraction or as a sign: between two integers.

The leg of a giraffe measures L = 6 ft.

S(g)= √(g×L)

S(g) = √(32 ft/s² × 6 ft)

S(g) = 13.86 ft/s

The maximum walking speed of a hippopotamus:

The leg of a hippopotamus measures L = 3 ft.

S(h)= √(g×L)

S(h) = √(32 ft/s² × 3 ft)

S(h) = 9.80 ft/s

The ratio S(g) to S(h)

S(g)/S(h) = 13.86/9.80 = 1.41

S(g) = 1.41S(h)

Thus, the maximum walking speed of a giraffe is 1.41 times greater than the maximum walking speed of a hippopotamus.

Learn more about the ratio here:

brainly.com/question/13419413

#SPJ5

Stella has 2 yards of fabric. She plans to cut the fabric into pieces that are 1/3 yard long. How many pieces will Stella have?

Answers

Answer:

6

Step-by-step explanation:

please please help me!!!

Answers

Answer:

obtuse isosceles

hope it helps

Evaluate 3xy + b if x = -4 ,y = 2 , and b = 5

Answers

Answer:

-19

Step-by-step explanation:

ok so since they give you all the variables you can substitute their values

for example instead of 3xy you can write 3*(-4)y

so that is the basic idea for this problem

after substituting, the new equation is 3*(-4)*2 +5

i plan on using order of operations, or PEMDAS

3*(-4)=(-12)

(-12)*2=(-24)

-24+5=-19

so the answer is -19

hope this helps!

Each year, roughly 10^6 computer programmers each make about $ 10^5.
How much money is this all together? Express your answer both as a power
of 10 and as a dollar amount.

Answers

$10^11 all you do is add the exponents together.

Arrange the numbers in increasing order. -3, +8, -4, +1, -7

Answers

Answer:

-7,-4,-3,+1,+8

Step-by-step explanation:

The bigger the negative number, the less it's worth

Answer:

-7, -4, -3, +1, +8

Step-by-step explanation:

when it comes to negative numbers the larger number is less than the lower number

Frank's paper airplane glided 78.9 m. Sarah's plane glided 85 m. How many more centimeters did Sarah's plane glide? 1 m= 100 cm

Answers

Answer:

610 cm

Step-by-step explanation:

78.9 x 100 = 7890 cm  85 x 100 = 8,500 cm        

8,500 - 7890 = 610 cm

5. Class 7887 has 2:7 math classes daily. How many math classes do they have
after 21 days? |

PLEASE DONT POST ANY LINKS WRITE ANSWER BELOW

Answers

Answer:

56.7

Step-by-step explanation:

2.7 x 21 = 56.7

What is the percent change of 7 increased to 21

Answers

Answer:

300%

Step-by-step explanation:

21/7=3 This means that 21 is 3 times more than 7.

Please answer im wasting pointss!!!!

Answers

Answer:

bfcfbdgbcbcvgb

Step-by-step explanation:

At the beginning of the year mrs Kerry gave each student in her class a new pencil with welcome to 4th grade written on it A month later the class measured their pencils to the nearest 1/8

Answers

i’m confused lol just like the person above

what is the rate of change of y=3/2 x

Answers

Answer:

3/2

Step-by-step explanation:

rate of change (m) can be found in the equation, y= mx+b

So, the rate of change is 3/2

what percent is 25 is 4 plz help

Answers

Answer: 16%

Step-by-step explanation:

4:25*100 =  

(4*100):25 =  

400:25 = 16

5) If the dice is rolled 300 times, how many times would you predict a roll of a 1?

Answers

50

there are 6 numbers in a dice so the probability of guessing it right is 1/6 and if you roll it 60 times you could expect ten 1's

Felix invested $10,000 into a retirement account in 2010. He then projected the amount of money that would be in the account for several years assuming that the interest will compound continuously at an annual rate. Later, when he looked back at the data, he could not recall the annual he used for the projections. Use the data below to determine the annual rate as a percent. (Remember use A=Pert for continuous interest problems where P=initial amount invested, r is the interest rate as a decimal and t is the time in years).

Answers

Answer:

0.068% or 6.8% this will be your final answer

What is the volume of the prism given below?
H: 8
W:15
L:10

Answers

Answer: 1200 units cubed

Step-by-step explanation:

Formula = H * W * L

8 * 15 * 10 = 8 * 150 = 1200

Answer:600 units squared :))

Step-by-step explanation:

What number should go in the space?
Multiplying by 0.05 is the same as decreasing by _____%.

Answers

Answer:

95%

Step-by-step explanation:

When a value is multiplied by 0.05 ;

The equivalent percentage decrease on the value is :

(1 - 0.05) * 100%

0.95 * 100%

= 95%

Therefore, Multiplying a value by 0.05 is the same as decreasing by 95%

What is the expression -7x2 + 32x + 240 in factored form?

Answers

Answer:

I believe the answer is -1 (7x-60)(x+4)

List all the elements of the sample space for the following experiment: You roll a die and toss a penny.

Its not B

Answers

Answer:

Answer A.

Step-by-step explanation:

There is a 1/2 chance of getting either heads or tails on a coin since there are only two sides. That means that half of the pairs should contain H and half should contain T.

There is a 1/6 chance of rolling every number on a die. So this needs to be represented with the numbers 1-6 on every pair.

So if we combine both of those, 1-6 being on every pair and H being on half and T being on the other half, we get

1, H

2, H

3, H

4, H

5, H

6, H

1, T

2, T

3, T

4, T

5, T

6, T

Which is answer A.

devin is making a candle by pouring melted wax into a mold in the shape of a square pyramid. Each side of the base of the pyramid is 30 mm and the height of the pyramid is 18mm. to get the wax for the candle, devin melts blocks of wax that are each 8 mm by 6mm by 5mm. how many of the wax cubes will devin need in order to make the candle? show all formulas and calculations ​

Answers

Answer:

(1/3)(9*9*10)=270cm^3 pyramid volume

270/(4*4*4)=4.22cubes

round

5 wax cubes

what is the approximate radius of the bowl shown that is shaped as a hemisphere

Answers

Answer:

Approximate radius of the given hemisphere is 3 in.

Step-by-step explanation:

Formula to calculate the volume of a hemisphere is given by,

V = [tex]\frac{2}{3}\pi r^{3}[/tex]

Since, volume of the given hemisphere in the picture = 56.52 in²

By substituting the value of V in the formula,

56.52 = [tex]\frac{2}{3}\pi r^{3}[/tex]

Now solve the expression for the value of 'r',

r³ = [tex]\frac{3}{2\pi }(56.52)[/tex]

r³ = 26.99

r = ∛(26.99)

r = 3 in.

Therefore, approximate radius of the given hemisphere is 3 in.

What is 28/20 simplified? And what is 20/28 simplified

Answers

Answer:

Step-by-step explanation:

What is 28/20 Simplified? -

7/5 is the simplified fraction for 28/20.

5/7 is the simplified fraction for 20/28

Answer:

28/20 would be 14/10 which would be 1 and 4/10.

20/28 would be 10/14 which would be 5/7

Step-by-step explanation:

you just cut it in half until you can't anymore.

A textbook store sold a combined total of 447 sociology and psychology textbooks in a week. The number of psychology textbooks sold were 43 less than the number of sociology textbooks sold. How many textbooks of each type were sold

Answers

Answer:

404

Step-by-step explanation:

Noah is visiting his aunt in texas

Answers

Okay......................
Have a good day!

When carlos had one dog, he needed to serve 1/3 can of dog food\ each day, he adopted another dog and now he needs to serve a total of 5/6 can of dog food each day, how much extra does he have to feed his dogs now

Answers

Answer:

an extra 1/2 can

Step-by-step explanation:

if you change 1/3 into 2/6, you can see that he originally fed 2/6 of a can and now feeds 5/6 meaning that not he feeds an extra 3/6 which simplifies into 1/2

What is the probability of randomly selecting an odd number from the numbers 1-11?

Answers

Answer:

6 out of 11 is the probability of choosing a odd number

Step-by-step explanation:

8.88 = 4.44(x-7)

Solve for x

Show or explain your method

Answers

Answer:

x=9

Step-by-step explanation:

8.88=4.44x-31.088.88-4.44x=-31.08-4.44x=-31.08-8.88-4.44x=-39.96x=9(we divided both rquations by -4.44)

Find the Area. (number only)
in

Answers

91 inches
Explanation: multiply 7 and 11 to get 77
Then, find the area of the triangle to get 14
Add those together to get 91

Help me please. :) :) :)

Answers

Answer:

c

Step-by-step explanation:

c is the right one

Julie can pack 18 hampers in 5 hours, Kyle can pack 14 hampers in 4 hours. Julie and Kyle work together to pack a total of 40 hampers. If they continue to work at the same rate, how long will it take them to pack the 40 hampers? Give your answer in hours and minutes, to the nearest minute.

Answers

Answer:

It will take 1 hour and 25 minutes to pack the 40 hampers

Step-by-step explanation:

Julie can pack 18 hampers in 5 hours

Kyle can pack 14 hampers in 4 hours

Julie and Kyle work together to pack a total of 40 hampers

Work done by Julie in one hour = 18/5

Work done by Kyle = 14/4

Work done all together

14/4 * 4 + 18/5 *5 = 40 * 1/x

14+18/40 = 1/k

K = 40/32 = 1.25 hours

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