**Answer:**

**$20.**

**Step-by-step explanation:**

2% = 0.02.

Interest = 500*0.02*2

= $20.

help !!

I can't understand it

1.

a.) The color of **Aqueous solution** turns **light green** from **blue**, due to formation of **iron sulphate** .

b.) The color of the **Aqueous solution** turns **colorless** from **blue** due to formation of **zinc sulphate**.

2. **Bells** used in temples aren't made up of wood because wood isn't **sonorous** and hence can't produce **ringing sound**, and hence metals are used in making bells.

3. **phosphorous** is kept in water because it is **highly reactive** and reacts vigorously with air if left free in atmosphere .

4.

a.) **CuSO4** + **Mg** =》**MgSO4** + **Cu**

this is a **single displacement reaction**, where **Magnesium** being more reactive than **Copper**, displaces copper from its compound (copper sulphate) to form **magnesium sulphate**.

b. **H2SO4** + **Zn** =》**ZnSO4** + **H2**

this is a **single displacement**** ****reaction**,

where **Zinc** being more reactive than

**hydrogen**, displaces hydrogen from its

compound (sulphuric acid) to form **Zinc**** ****sulphate**.

1.*3**.*

**a.)** *The color of Aqueous solution turns*

*The color of Aqueous solution turnslight green from blue, due to formation*

*The color of Aqueous solution turnslight green from blue, due to formationof iron sulphate.*

**b.)** *The color of the Aqueous solution*

*The color of the Aqueous solutionturns colorless from blue due to*

*The color of the Aqueous solutionturns colorless from blue due toformation of zinc sulphate.*

*Bells used in temples aren't made upof wood because wood isn't sonorousand hence can't produce ringing sound,and hence metals are used in makingbells.*

*phosphorous is kept in water becauseit is highly reactive and reacts vigorouslywith air if left free in atmosphere*

*a.) CuSO4+ Mg MgS04 +Cu*

*this is a single displacement reaction,where Magnesium being more reactivethan Copper, displaces copper from itscompound (copper sulphate) to formmagnesium sulphate.*

*b. H2S04 +Zn =) ZnS04+H2*

*b. H2S04 +Zn =) ZnS04+H2this is a single displacement reaction,where Zinc being more reactive thanhydrogen, displaces hydrogen from itscompound (sulphuric acid) to form Zincsulphate.*

**Step-by-step explanation:**

I hope it helps

have a great day

**#Liliflim**

[ ( 7 − 5 ) ÷ 1/2 ] × 2

**Answer:**

8

**Step-by-step explanation:**

[( 7 − 5 ) ÷ 1/2] × 2

[(2) ÷ 0.5] × 2

[2 × 2] × 2

4 × 2

8

Math Question:

Pls help I will do anything

**Answer:**

The probability of spinning red is [tex]\frac{1}{3}[/tex], the probability of spinning a 1 is [tex]\frac{1}{6}[/tex], the probability of spinning an odd number is [tex]\frac{1}{2}[/tex], and the probability of spinning a 9 is 0.

**Step-by-step explanation:**

Since there are a total of 6 possible outcomes, you can use this in the following questions. There are 2 red tiles, so the probability of spinning red is [tex]\frac{2}{6}[/tex] or [tex]\frac{1}{3}[/tex]. Since there are only one 1 tile, the probability of spinning a 1 is [tex]\frac{1}{6}[/tex]. Since there are three odd numbers, the probability of spinning an odd number is [tex]\frac{1}{2}[/tex]. Since there are no 9 in the spinner, the probability of spinning a 9 is 0 or never.

Jack is selling used computers. he is paid $15/h plus a 5% commission on sales. What dollar amount of computer sales must jack make to earn $1000 in a 40-h work week.

**Answer:**

8000

**Step-by-step explanation:**

Jack **sold** worth $8000 computer **sales **in the last week.

A percentage is a value per **hundredth**. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.

Given, Jack is selling used computers. He is paid $15/h plus a 5% commission on sales.

He made $1000 in a 40-h week,

∴ He made $**(15×40)** = $600 for his work hours and $**(1000 - 600)**

= $400.

So, $400 dollars in 5% of the **total sales **and assuming he made a sell of $**x**.

∴ (5/100)×x = 400.

0.05x = 400.

x = 400/0.05.

x = 8000.

learn more about **percentages **here :

https://brainly.com/question/24159063

#SPJ2

The area of the shaded sector is shown. Find the radius of circle M. Round your answer to the nearest hundredth.

**Answer:**

See Explanation

**Step-by-step explanation:**

The question is incomplete, as the sector, its area and the angle at the center are not given.

**I will solve this using the following illusration**

**The area of a sector is:**

[tex]Area= \frac{\theta}{360} * \pi r^2[/tex]

**Assume that:**

[tex]\theta = 120[/tex]

[tex]Area = 20[/tex]

**The equation becomes**

[tex]20= \frac{120}{360} * \pi r^2[/tex]

**Simplify**

[tex]20= \frac{1}{3} * \pi r^2[/tex]

Take: [tex]\pi = 3.14[/tex]

[tex]20= \frac{1}{3} *3.14* r^2[/tex]

**Cross Multiply**

[tex]3.14 * r^2 = 20 * 3\\[/tex]

**Solve for **[tex]r^2[/tex]

[tex]r^2 = \frac{20 * 3}{3.14}[/tex]

[tex]r^2 = 19.11[/tex]

**Take square roots**

[tex]r = \sqrt{19.11[/tex]

[tex]r = 4.4[/tex]

The **radius **of the **sector **of a **circle **whose **area **is 20 square units and **angle **subtends at the **center **of 120° is 4.4 units.

It is a **locus **of a point drawn **equidistant **from the **center**. The **distance **from the **center **to the **circumference **is called the **radius **of the circle.

The **angle **subtends at the **center **is 120 degrees.

The **area **of the **circle **is 20 units.

We know that the **area **of a **circle **is given as

[tex]\rm Area = \dfrac{\theta }{360} \pi r^2[/tex]

Then we have the **radius **of the **sector **will be

[tex]\rm r = \sqrt{\dfrac{360*20}{120*\pi}}\\\\\\r = 4.37 \approx 4.4[/tex]

The **radius **of the **sector **is 4.4 units.

More about the **circle **link is given below.

https://brainly.com/question/11833983

Somone help me with this

**Answer:**

112

**Step-by-step explanation:**

V= lwh /3

= 7·6·8 /3

=112

How many vertices does this shape have?

it has six vertices. vertices are the points when the lines come together

5 in.

2 in.

3 in.

What is the volume of the rectangular prism?

A.10 in^3

B.16in^3

C.20in^3

D.25in^3

E.30in^3

Answer:

It’s E, 30in^3

Step-by-step explanation:

Volume is length x width x height so it’d be

5 x 2 x 3 which equals 30

It’s E, 30in^3

Step-by-step explanation:

Volume is length x width x height so it’d be

5 x 2 x 3 which equals 30

**Answer:**

E

**Step-by-step explanation:**

V=l x w x h / 5 x 2 x 3

Please help I need to pass this test so I can bring my grades up!

**Answer:**

8. 24

9. 10

2. 72

1. 113

5. 7.96 = **8**

11. 30.19 = **30.2**

6. 28.27 = **28**

That's all I can answer right now, maybe study a bit more and your grades will get better! Good luck!

My friend all ready helped you

I finished sorting them out, if any of them are wrong pls tell me the letter

(No link and don’t solve them)

Answer: They look right to me

Step-by-step explanation:

what theorem can be used to prove these triangles are congruent?

**Answer:**

B. HL

**Step-by-step explanation:**

#CARRYONLEARNING

Fill the empty slots by dragging tiles from the left to show

the next step for solving the equation

Solve the two-step equation

- 3x - 21 = 27

NG

No

Show result

Please help

**Answer:**

x =-16

**Step-by-step explanation:**

Given the equation

-3x - 21 = 27

We are to find the next step in solving the equation

Step 1: Add 21 to both sides

-3x - 21 + 21 = 27 + 21

-3x = 48

Step 2: Divide both sides by -3

-3x/3 = 48/3

-x = 16

x = -16

**Hence the value of x is -16**

Select the correct answer from the drop down menu,

The square root of 125 is between

Band 9

Reset

Next

9 and 10

10 and 11

11 and 12

11 and 12

**Step-by-step explanation:**

The square root of 125 is between 11 x 11 = (121) and 12 × 12 = (144)

**Answer:**

11 and 12

**Step-by-step explanation:**

i just took the test

Jane's dance recital started at 1:17 PM. It ended at 5:34 PM. How long did the recital last?

**Answer:**

the recital lasted 4 hours and 17 minutes

**Answer:**

4 hours 17 minutes

**Step-by-step explanation:**

5.34-1.17

Find the measure of a.

**Answer:**

**Step-by-step explanation:**

The best way to measure an angle is to use a protractor. To do this, you'll start by lining up one ray along the 0-degree line on the protractor. Then, line up the vertex with the midpoint of the protractor. Follow the second ray to determine the angle's measurement to the nearest degree.

Chad spent $28.80 at the supermarket. This was 36% of the cash he had in his wallet.

Part 1: How much cash did Chad have before he paid his supermarket bill?

Part 2: After shopping, Chad bought dinner for his family for $16.50. He gave the server a 16% tip. How much money did Chad have left?

1. Chad had $80 before, since 28.80/36% is 80.

2. Chad has $28.97 left, because what he had left before the dinner was $51.02, $80-28.80=51.02 then, you take the 16.50 with the 16% which in total is 22.05. But once you have that all solved, subtract 51.02 from the dinner bill that is 22.05, and your answer is $28.97.

2. Chad has $28.97 left, because what he had left before the dinner was $51.02, $80-28.80=51.02 then, you take the 16.50 with the 16% which in total is 22.05. But once you have that all solved, subtract 51.02 from the dinner bill that is 22.05, and your answer is $28.97.

There are 2 red, 3 blue, and 4 green marbles in a jar?

What does the ratio 4 to 9 represent?

**Hello!**

How many marbles are in the jar all together?

3 + 2 + 4 = **9**

We also know that there are 4 green marbles in the job.

So, I would assume that the answer is;

**Green Marbles : Total Marbles **or **Green Marbles to Total Marbles. **

*waffletowne*

A man sold two computers for Rs 24000 each on one ne

gained 20% and on the other he lost 20%. find his gain oras

percentage of his whole transaction

The seller makes a over all loss of $2000

The Two goal posts in football pitch, maths textbooks,chairs in classroom etc are all examples of ________ figures.

**Answer:**

3 dimensional figures

**Step-by-step explanation:**

**Given**

Goal Posts

Maths Textbooks

Chairs

**Required**

The type of figures

Each of the given figures are always above the ground, in other words; they have heights greater than 0.

When an object has lengths, width and heights greater than 0; such object is referred to as a 3 dimensional figure

please please helpppp!

**Answer:**

3

**Step-by-step explanation:**

So all of them have a theretical probability of 1/5. Now to determine the experimental propability. (1=6/25, 2=2/25, 3=5/25 or 1/5, 4=4/25, 5=8/25)

Three has an experimental propability of 1/5, which is the same as its theretical propability.

Which of the following pairs of numbers has a least common multiple of 48 ?

A. 3 and 12

B . 2 and 24

C.4 and 9

D. 6 and 8

Which of the following pairs of numbers has a least common multiple of 48 ?

A. 3 and 12

C. 4 and 9

D. 6 and 8

-*KeonLee*

*I** **hope it** **help** *

*#Carry** **on learning** *

Consider the reflectional symmetry of the rhombus. How many lines of symmetry does the shape have? 0 1 2 4

**Answer:**

is the answer of emonis

what is 9-x/5=3?

I kept getting 6 but the only option is -6 :/

**Step-by-step explanation:**

[tex]9 - \frac{x}{5} = 3 \\ 9 - 5 \times \frac{x}{5} = 3 \times 5 \\ 9 - x = 15 \\ - 9 - x = - 9 + 15 \\ - x = 6 \\ - x \div - 1 = 6 \div - 1 \\ x = - 6[/tex]

Answer:

Yeah the answer is -6

Step-by-step explanation:

9-x/ 5= 3

9-x = 15 (5 times three)

-x = 6 (9-6)

x= -6 ( a variable can never Be negative, but we have to give the minus to 6)

I hope this helps!

A farmer sells 8.6 kg of Pierce an apple at the Farmers Market two fifths of the wait is pears and the rest is apples how many kilograms of apples did she sell at the Farmers Market

**Answer:**

Weight of Pears = 3.44 Kgs

Weight of Apple = 5.16 Kgs

**Step-by-step explanation:**

Given

The total weight of the Pears and the apple is 8.6 Kg

Out of this total weight, the weight of the pears is 2/5

Hence, weight of the Pears is 2/5 * 8.6 = 3.44 Kg

Weight of the Apple is equal to 8.6 -3.44 Kgs = 5.16 Kgs

Weight of Pears = 3.44 Kgs

Weight of Apple = 5.16 Kgs

Carlos kept track of how much cereal he ate for two months and found that he ate 208 ounces of cereal in that time. How many pounds is that?

(16 ounces = 1 pound)

A. 6.5 pounds

B. 13 pounds

C. 26 pounds

D. 3,328 pounds

**Answer:**

13 pounds

**Step-by-step explanation:**

if its wrong then-

Evaluate f(-2): SHOW ALL WORK

f(x) = x - 4

**Answer:**

-6

**Step-by-step explanation:**

**substitute x=-2**

f(-2)=(-2)-4=-6

**Answer:**

*- 6 *

**Step-by-step explanation:**

f(x) = x - 4

f( - 2) = - 2 - 4 = *- 6*

5)

You are told that the median score on

these four cards is 9.5

Work out what the number is on the

bottom card.

7

15

8

**Answer:**

11

**Step-by-step explanation:**

7 8 11 15

median (8+11)/2=19/2=9.5

PLEASE HELP NO SCAM

¼ (x+12) = 2

You put the answer as 2 already

**Answer: **

**1/4 ( x + 12 ) = 2 : x = -4 **

**Step-by-step explanation:**

4 x 1/4 (x + 12 ) = 2 x 4

x + 12 = 8

x + 12 - 12= 8 - 12

x = -4

What is the area of this triangle? This is Geometry by the way.

**Answer:**

3456

**Step-by-step explanation:**

**Answer:**

area of triangle

**Step-by-step explanation:**

3456.Sorry

-2(3x+4y+1) what is the answer

**Answer:**

6

x

+

8

y

+

2

**Step-by-step explanation:**

**Answer:**

− 6 x − 8 y − 2

**Step-by-step explanation:**

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During the past school year, there were 640 students and 52 teachers. What is the ratio of students to each teacher rounded to the nearest tenth?a.12.3:1c.160:13b.1:12.3d.13:160Please select the best answer from the choices providedABCD
Find the TWO integers whos product is -12 and whose sum is 1
PLEASE HURRY!!! Lori used 4 containers of blueberries to make blueberry muffins, each container holds 2/3 cup, she also used 1 2/4 cups of sugar to make the blueberry muffins and 1 1/4 cups of sugar to make banana bread She used a total of ___ cups of blueberries and ____ cups of sugar*1 3/4*2 1/3*2 2/3*2 3/4*4 2/3
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lighting theif chapter 15. How did percy personailty change through the begnning and end of the chapter
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Base your answer on the equation and diagram below represent an electrochemical cell at 298 K and 1 atmosphere. When the switch is closed, electrons flow fromA) Ag+(aq) to Mg2+(aq)B) Mg(s) to Ag(s)C) Ag(s) to Mg(s)D) Mg2+(aq) to Ag+(aq)
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