Find the area of each figure

Answers

Answer 1

Answer: For the pencil shaped shape, we need to split the shape up in 2 parts (which has already been done!). Lets figure out the rectangle first. To find the area of a rectangle it is Length x Width.
a=lxw
a=6x10
a=60m2
(the m2 means square meters)

For the triangle the formula is Base x Height ÷ 2
a=bxh÷2
a=7x6÷2
a=42÷2
a=21m2

Now we just add up the rectangle and triangle area and voila! You have the area!
21+60=81m2
The area of the shape is 81m2

Answer 2

Answer: The rectangles area is 60. The triangles area is 21

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In a finsh tank, 75% is female finshes. The rest are male. Female fishes are also 5 more than twiceof the male fishes. How many female and male fishes in the tank?
(Set up the rational equation, and solve for x!) PLEASE HELP ME

Answers

Answer:

5 Male fishes, and 15 Female fishes

Step-by-step explanation:

We have two unknowns: The number of lady fishes (let's represent this number with "L"), and the number of male fishes (let's name this unknown number "M"). So now we need to create two equations to help us solve for these unknowns.

Use the actual sentences they give you to create the equations:

a) "75% of the total number of fishes are female"

Notice that the total number of fishes is the addition of the number of ladies plus the number of males; that is the total is "L+M". According to the sentence, 75% (which in math terms is written as "0.75") of this total number equals the number of lady fishes:

$0.75 \,*\,(L+M)=L$

now we work a little the algebra indicated in this equation to simplify it a bit:

$0.75 \,*\,(L+M)=L\n0.75\,L+0.75\,M=L\n0.75\,M=L-0.75\,L\n0.75\,M=0.25\,L\nL=( 0.75\,M)/(0.25)\nL=3\,M$

which tells us that the number of lady fishes is 3 times thenumber of male fishes.

b) Now the second equation based on the words:

"Lady fishes are 5 more than twice the male fishes"

"Twice the male fishes" can be written as: "2M"

so now we write this sentence as:

$L=2\,M+5$

Now we combine the two equations by using in the second one the replacement for "L" in terms of "M" that we found in the first equation (that is: "L = 3 M") , so we obtain an equation with just one unknown (M) and we can solve for it:

$L=2\,M+5\n3\,M=2\,M+5\n3\,M-2\,M=5\nM=5$

Which tells us that the number of male fishes in the tank is "5".

We can use now our first simplified equation to find the number of lady fishes:

$L=3\,M\nL=3\,(5)\nL=15$

So, there are 15 female fishes in the tank.

A student thinks the sum of 4.3 and 8.4 is 12.7 because 4+8 is 12 and 3+4 is 7. The student then adds 3.7 and 2.6, then gets 5.13 because 3+2 is 5 and 6+7 is 13. Identify the mistake in the student's procedure and explain why the procedure won't always work.

Answers

The mistake is that when adding decimals, if the number is greater than 10 then you add one to the ones place and subtract ten from the decimal. So the answer should have been 6.3

Divide 4,318 by 7
Estimate:______________________________

Answers

616.857143... estimate: 617

Gabriella has 20 quarters, 15 dimes, 7 nickels, and 8 pennies in a jar. After taking 6 quarters out of the jar, what will be the probability of Gabriella randomly selecting a quarter from the coins left in the jar? 1) 14/44 2) 30/44 3) 14/50 4) 2050

Answers

14
---
44
20 + 15 + 7 + 8 = 50 - 6 = 44
20 - 6 = 14
Your answer is #1

20 out of 56 is the answer to the question that was asked

Find the least common denominator (LCD) for the fractions.1\6 and 3\10

A.
2

B.
10

C.
30

D.
60

Answers

Pretty sure it's D. 60.
6 x 10 = 60

C. 30... 6 x 5 = 30
3 x 10 = 30

A box can hold 9 cookies. A baker has 878 cookies that she wants to put equally into boxes. How many cookies will be in the last box that isn't full?

Answers

6 cookies will be in the last box that would not be full.
divide 679 by 9+97 withe the remainder
97 times 9=873
879-973 is 6

97 boxes will be full and the box that isn't full will have 5 cookies in it

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The histogram below shows the number of hoagie sandwiches students in Carson's class sold for their fundraiser. Use the histogram to match each conclusion with its value. Round to the nearest whole number if necessary.Term1.percent of the class that sold less than twenty hoagies2.greatest number of hoagies that could have been sold by one student3.total number of students in Carson's class4.more than half of the students sold at least this number of hoagiesDefinitionA) 22B) 49C) 20D) 32

Sam has two apples and his mother takes away one how many does sam have left ?

which equation is represented by the function table below? x's are 1,2,3,4 y's are 8,14,20,26

A painter uses 2 tubes of black paint for every 6 tubes of white paint to paint a mural.At that rate, how many tubes of black paint are used if 15 tubes of white paint are used?