The following is the set of scores Ivy earned on her science tests. What is the mean of her test scores? 86, 94, 88, 82, 95

A. 86
B. 71
C. 85
D. 89 <------​

Answers

Answer 1

Answer:

d

Step-by-step explanation:

add them all up then divide by 5


Related Questions

Mason invests £1500 at 2.5% per year compound interest.
Work out the value of Mason's investment at the end of 3 years.

I know the answer is 1615.34 I need the working out :/​

Answers

Step-by-step explanation:

1500(1+2.5/100)^3

or do 100+2.5=102.5

102.5÷100=1.025

1500×1.025^3

I need to solve for x

Answers

Answer:

mAB = 7

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Algebra I

Terms/Coefficients/Degrees

Step-by-step explanation:

Step 1: Define

Set up equation.

mAB + mBC = mAC

x + 4 + 4 = 3x + 2

Step 2: Solve for x

Combine like terms:                     x + 8 = 3x + 2Isolate x terms:                             8 = 2x + 2Isolate x term:                               6 = 2xIsolate x:                                        3 = xRewrite:                                         x = 3

Step 3: Find AB

Define:                              mAB = x + 4Substitute in x:                 mAB = 3 + 4Add:                                  mAB = 7

Which of these is a unit rate? (from time4learning)
(A). $3.50 for 2 gallons of juice
(B). $5.00 for 3 pounds of cheese
(C). $4.25 for 1 watermelon
(D). $2.75 for 6 hamburger rolls

Answers

Answer:

B

Step-by-step explanation:

B. is the answer that you seek

Which one of the following does not describe Aaron Burr?


made unwise decisions

was wanted for murder in two states

led the Senate

had a law practice

a brilliant politician

Answers

Answer:

Aaron Burr wasn't a brilliant politician.

Step-by-step explanation:

Aaron Burr was an American politician and the third Vice President of the United States from 1801 to 1805. In 1800, he ran for the Democratic-Republicans with Thomas Jefferson. Jefferson was supposed to be president and Burr vice president, but the then presidential election rules gave Jefferson and Burr equal votes in the Electoral College, and the election was ultimately decided in the House of Representatives. There, it were Jefferson and Burr's political rivals, the Federalists, who made the difference. Alexander Hamilton, the leader of the Federalists, eventually urged his party to back Jefferson, which helped make Hamilton and Burr deadly rivals. Burr had to settle for vice president under Jefferson.

On July 11, 1804, Burr challenged Hamilton to a duel in which Burr would fire the deadly shot. Burr was charged with murder in two states, but never prosecuted. After a short flight south, Burr returned to Washington to serve his term as vice president.  

After his term, Burr was suspected of involvement in a plot to create a separate republic in the then Southwestern US, headed by himself. For this he was arrested in 1807. He was tried for treason but was acquitted. After a stay abroad, Burr returned to New York in 1812 and resumed his career as a lawyer. He died in 1836 at the age of eighty and was buried in Princeton, New Jersey.

Raymond is 7.In 3 years,his age will be 5/3 the age of his sister marissa. How old will marissa he in 3 years?

Answers

Answer:

6 years old

Step-by-step explanation:

Raymond is 7His sister is x

In 3 years Raymond will be 10, and his sister x + 3:

10 = 5/3(x + 3)x + 3 = 6x = 3

Marissa is 3 now and will be 6 in 3 years

A new bridge has a weight limit of 3 tons, tiene car weighs 7,900 lbs. Will the besble to drive her
care across the bridge, explain why or why not

Answers

Answer:

no

Step-by-step explanation:

3 tons is 3,000 and 7,000 is 7 tons

At David's Swimwear, 50% of the 36 swimsuit styles are bikinis. How many bikini styles are there?

Answers

9514 1404 393

Answer:

  18

Step-by-step explanation:

  50% × 36 = 0.50 × 36 = 18

There are 18 bikini styles at David's Swimwear.

Answer:

18 bikini styles.

Step-by-step explanation:

Divide 36 by 2.

There's so many numbers in this one shape I'm confused ._.

Answers

the answer should be 12 units^2

starting from the left side of the shape you multiply base 2 by height 2 which gets 4 then divide by 2 since it is a triangle. next multiply 2x2 for the square in the middle which gets you 4. lastly multiply 6x2 for the triangle on the right which gets you 12 however bc it is a triangle you must divide by 2 and get 6. then add them all together and you get 12.

Answer:

12 [tex]units^{2}[/tex]

Step-by-step explanation:

All you have to do is do each shape then add them all up

small triangle:

a = b * h/2

a = 2 * 2/2

a = 4/2

a = 2

The area for the small triangle is 2

Sqaure:

a = b*h

a = 2*2

a = 4

The area for the sqaure is 4

Large triangle:

a = b*h/2

a = 6*2/2

a = 12/2

a = 6

The area for the larger square is 6

Now we add up all of the areas

2 + 4 + 6 = 12

The area for that shape is 12 [tex]units^{2}[/tex]

Hint: We divide by 2 for the triangles bc it's half a shape not a full rectangle of square...

Hope this helped!

Express the ratio 14 inches to 3 feet as a fraction in simplest form

Answers

The answer is gonna be 14:36

1.6-metre tall man stands 11 m from the base of a tree. He views the top of the tree at an
angle of elevation of 58°. How tall is the tree?

Answers

Answer:

17.60m

Step-by-step explanation

The set up is a right angled triangle

Given

angle of elevation = 58°

Distance of the man from the tree = adjacent = 11m

Required

Height of the tree h (Opposite)

Using the TOA identity

tan theta = opposite/adjacent

tan 58 = h/11

h = 11tan58

h = 11(1.6)

h = 17.60

Hence the tree is 17.60m tall

Evaluate x + 3y when x = 4 and y = 5
*Please show how you got your answer*

Answers

Answer:

19

Step-by-step explanation:

x + 3y

4 + 3 (5)

4 + 15

=19

A line AB joins the points A (3,4) and B (5,8). Write down the coordinates of the midpoint of the line AB

Please help
Thank you

Answers

Given:

A line AB joins the points A (3,4) and B (5,8).

To find:

The midpoint of the line AB.

Solution:

Midpoint formula:

[tex]Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)[/tex]

A line AB joins the points A (3,4) and B (5,8). So, the midpoint of line AB is

[tex]Midpoint=\left(\dfrac{3+5}{2},\dfrac{4+8}{2}\right)[/tex]

[tex]Midpoint=\left(\dfrac{8}{2},\dfrac{12}{2}\right)[/tex]

[tex]Midpoint=\left(4,6\right)[/tex]

Therefore, the midpoint of the line AB is (4,6).

what is the meaning of the slope in this situation?

Answers

Answer:

add a photo please do we can help you better

Answer:

The picture is non-existent

MARKING BRAINLIESTTT WHOEVER IS THE FIRST TO ANSWER AND GE IT RIGHT

Answers

Answer:

D is most possible or b either one

Step-by-step explanation:

BTW dont expect take my info to seriously but D or B

can some one help me. btw the answer is not C.​

Answers

Answer:

A

Step-by-step explanation:

Given

x² + 6x

To complete the square

add ( half the coefficient of the x- term )² to x² + 6x

x² + 6x + (3)²

= x² + 6x + 9

= (x + 3)²


Here are four numbers.

0.43 3/7 43.8% 7/16
Write these numbers in order of size.
start with the smallest number.

Answers

First convert all th fractions into decimal :

3/7 =0.428

7/16=0.4375

0.43=remain same (already given in decimal form)

43.8%=0.438

now arrange them in one row (horizontally) then it will be easy to arrange it.

0.428 , 0.4375 , 0.43 ,0.438

=0.428 , 0.43, 0.4375 ,0.438

= ans) 3/7, 0.43, 7/16, 43.8%

an aquarium sells five stuffed animal for 64.95 what is the cost of eight stuffed animal

Answers

Answer: 103.92

Step-by-step explanation:

64.95 / 5 = 12.99 (cost of 1 stuffed animal)

12.99 x 8. = 103.92 (cost of 8 stuffed animals)

please help me on this! will give u brainliest tyy.

Answers

Answer:

A. The balloon is at its initial height

B. The boxer is 0 pounds from her starter weight

C. The company's size is smaller

Step-by-step explanation:

For A, -30+30 is equal to 0 so its gonna be the same height it was before.

For B, Gaining 7 pounds and losing 7 pounds means you are neither bitter or smaller. (-7+7=0)

For C, Losing 15 employees and gaining none means that there are less than there were previous meaning the company is now smaller.

Hope this helps.

Round 75 to the nearest ten.
Round 92 to the nearest ten.
Multiply the rounded numbers.
Product
PLEASE HELP I KINDA FORGOT HOW TO ROUND

Answers

Answer:

75>80

92>90

80×90=7,200.

Please helppppppppppp

Answers

Answer:

21.92

Step-by-step explanation:

division

87.68 ÷ 4

Answer:

The answer is 21.92

Step-by-step explanation:

87.68 divided by 4

There is 4 people and the total is $87.68

Divide. Write your answer as a fraction or mixed number in simplest form.

-15/7 ÷ 18/35

Answers

Answer: -4 1/6

Step-by-step explanation:

-15/7 ÷ 18/35

-15/7 x 35/18

-5 x 5/6

-25/6

-4 1/6

helppppppppppppppppp again

Answers

Answer:

hola xD

como estas?

Step-by-step explanation:

x=30

six times five =x

32) Convert this fraction to a decimal number: 4/10

Answers

Answer:

40%

Step-by-step explanation:

It would be 0.4 and percent would be 40%

Hope this helps

Have a great day/night

One of the angles of a triangle is 8 deg more than 5 times another angle. If the third angle is 4 deg larger than the difference of the first two angles, find the angles.

Answers

Answer:

[tex]16^\circ, 88^\circ, 76^\circ[/tex]

Step-by-step explanation:

Given a triangle.

One of the angles is [tex]8^\circ[/tex] more than 5 times of one angle.

Third angle is [tex]4^\circ[/tex] more than the difference of two angles.

To find:

The angles.

Solution:

Let the first angle = [tex]x^\circ[/tex]

As per question statement, second angle = 5[tex]x^\circ[/tex] + [tex]8^\circ[/tex]

And third angle = 5[tex]x^\circ[/tex] + [tex]8^\circ[/tex] - [tex]x^\circ[/tex] + [tex]4^\circ[/tex] = [tex](4x+12)^\circ[/tex]

Using triangle sum property that the sum of all the internal angles of a triangle is always equal to [tex]180^\circ[/tex].

[tex]x+5x+8+4x+12 = 180\\\Rightarrow 10x+20=180\\\Rightarrow 10x = 160\\\Rightarrow x = 16[/tex]

Therefore, the first angle = [tex]x^\circ = 16^\circ[/tex]

The second angle = [tex]5x+8 = 5 \times 16 + 8 = 80+8 = 88^\circ[/tex]

The third angle = [tex]4x+12 = 4\times 16 + 12 = 76^\circ[/tex]

Therefore, the angles are [tex]16^\circ, 88^\circ, 76^\circ[/tex].

Use the distributive property to write an expression that is equivalent to 9(c+5).

Answers

Answer:

9c + 45

Step-by-step explanation:

The distributive property also known as distributive law of multiplication and division.

In the given expression, distributive law of multiplication is applied where we can multiply first before addition.

Given

9(c+5)

Using distributive property

9(c+5)

= (9 × c) + (9 × 5)

= 9c + 45

9(c+5) = 9c + 45

plz help me out with this

Answers

Answer:

B and a great deal on a spring break and a good time to get answer for the spread of Islam in the Horn of the following elements has your examination and your

A cable company charges 150 to install equipment. Then there is a $50 charge each month.What is the total cost (start up fee and monthly charge) to use the cell phone plan for 1 month.

Answers

200 for 1 month. ..............

All you got to do is answer question means 4, 5, 7, 8! Basically all you Gotta do is read the sentence and then match it with one of the equations to the right that aren’t crossed off, !

4?
5?
7?
8?

Answers

There's no picture to it.

What name best describes this shape?
quadrilateral
rhombus
square
trapezoid
Submit

Answers

What shape? It doesn’t have a pic

What shape lol? Gotta snag those points ;)

what is the ratio of feet to inches on a measuring tape

Answers

Answer:

its multipled by 12

Step-by-step explanation:

Answer:

1 ft = 12

Step-by-step explanation:

The length in inches is equal to the feet multiplied by twelve

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