umm..HELP me i don't get it!!!!!

Umm..HELP Me I Don't Get It!!!!!

Answers

Answer 1

Answer:

I think its C

Step-by-step explanation:

Because if you add the bottom together you get [tex]\frac{1}{\frac{1}{2x+5} }[/tex]. When you divide the bottom part flips so it would be [tex]1*2x+5[/tex] which ends up being C

I think this is right but I may be wrong

Answer 2

Answer:

B

Step-by-step explanation:

Simplify the sum on the denominator, that is

[tex]\frac{1}{x+2}[/tex] + [tex]\frac{1}{x+3}[/tex]

multiply numerator/ denominator of first fraction by x + 3

Multiply numerator/ denominator of second fraction by x+ 2

= [tex]\frac{x+3}{(x+2)(x+3)}[/tex] + [tex]\frac{x+2}{(x+2)(x+3)}[/tex]

= [tex]\frac{2x+5}{x^2+5x+6}[/tex]

The original fraction is now

[tex]\frac{1}{\frac{2x+5}{x^2+5x+6} }[/tex]

= 1 × [tex]\frac{x^2+5x+6}{2x+5}[/tex]

= [tex]\frac{x^2+5x+6}{2x+5}[/tex] → B


Related Questions

Examen Compétence 1: Proportions et algèbre
1.
Dans un camp de jour, Marc essaie de te faire deviner le nombre d'élèves qu'il a
dans ses deux groupes. Dans le groupe A, le rapport entre les gars et les filles
est de 3:5 et celui du groupe B est de 2:3. Il y a 62 élèves en tout et il y a autant
de garçons dans le groupe A que dans le groupe B. Combien y a-t-il d'élèves dans
le groupe B?
Considérez qu'il y a "x" garçons dans chaque groupe et résolvez l'équation
algébrique.

Answers

Answer:

Check my link.

Step-by-step explanation:

Brainly keeps on saying my question either has a link or is inappropriate, and it neither has a link nor is inappropriate.

I have no clue as to what to correct.

ASAP PLS HELP ME I NNED HELP

Answers

Answer:

perimeter=40.9ft

Step-by-step explanation:

The length at the top is 10ft,the length at the bottom is 10+4ft=14ft and the other lengths are8.9ft and 8ft

perimeter=10+14+8+8.9=40.9ft

please help me........

Answers

Answer:

x = 54

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Equality Properties

Step-by-step explanation:

Step 1: Define

-12(x + 4) + 14x = 60

Step 2: Solve for x

Distribute -12:                              -12x - 48 + 14x = 60Combine like terms:                   2x - 48 = 60Add 48 to both sides:                 2x = 108Divide 2 on both sides:              x = 54

Answer:

x = 54

Step-by-step explanation:

-12(x + 4) + 14x = 60

i) distribute -12 to the whole parentheses of (x+4)

(-12 × x) + (-12 × 4) + 14x = 60

-12x - 48 + 14x = 60

ii) collect like terms

-12x + 14x - 48 = 60

2x - 48 = 60

iii) move constant to the right-hand side and change its sign

2x = 60 + 48

iv) add the numbers

2x = 108

v) divide both sides of the equation by 2

[tex] \frac{2x}{2} = \frac{108}{2} [/tex]

x = 54

Plzzzz help and also can you plz show how you got the answer

Answers

Answer:hi

Step-by-step explanation:

PLEASE HELP! and also please show your work!!

Answers

Answer: d) b = 12

2/3.b - 1/3.b + 12 = 16

⇔ 1/3. b = 16 - 12

⇔ 1/3.b = 4

⇔ b = 4.3 = 12

Step-by-step explanation:

Answer:

b = 12

Step-by-step explanation:

2/3 b - 1/3 b + 12 = 16

or, 2b/3 - b/3 + 12 = 16

or, 2b -b/ 3 + 12 = 16

or, 2b - b = 16 - 12

or, b = 4 × 3

therefore, b = 12

85 POINTS! If y is 2.5 when x is 5 and y varies directly with x, find y when x is 20.

Answers

Answer:

Y = 10 when X = 20

Step-by-step explanation:

Answer:

100

Step-by-step explanation:

y∝x∴y=k⋅x or k=y over x=2.50.5=5

 (k is proportionality costant) When

x

=

20

;

y

=

5

20

=

100

[Ans]

plzzzzzzzzzzzzzzzzzzzzzz

Answers

Answer:

6[tex]x^{8}[/tex][tex]y^{5}[/tex]

Step-by-step explanation:

Using the rule of exponents

[tex]a^{m}[/tex] × [tex]a^{n}[/tex] ⇔ [tex]a^{(m+n)}[/tex]

Given

3x²[tex]y^{4}[/tex] × 2[tex]x^{6}[/tex]y, then

3 × 2 × x² × [tex]x^{6}[/tex] × [tex]y^{4}[/tex] × [tex]y^{1}[/tex]

= 6 × [tex]x^{(2+6)}[/tex] × [tex]y^{(4+1)}[/tex]

= 6[tex]x^{8}[/tex][tex]y^{5}[/tex]

If at a toy store, 2 board games cost $13.40, what is the unit price of a board game?

Answers

Answer:

The unit price of a board game is $6.70

Step-by-step explanation:

1 board/2boards = x/13.4

Cross multiply:

13.4*1/2x

13.4/2x

x=6.7

Hope this helps plz hit the crown :D

Wayne bought blueberries. He uses 3/8 of the blueberries to make blueberry​ bread,
1/6 of the blueberries to make​ pancakes, and
5/12 of the blueberries to make jam. If Wayne uses 69 ounces of the blueberries he​ bought, how many ounces of blueberries did he​ buy?

Answers

Does it give you options?? I converted all of the fractions to the same /? And I added them all up ending with 23/24. Can you figure it out from there?

The graph shows the relationship between the number of pounds of
apples purchased and the total cost of the apples.
What is the cost of 1 pound of apples? Enter the answer in the box.

Answers

Given:

The graph shows the relationship between the number of pounds of  apples purchased and the total cost of the apples.

To find:

The cost of 1 pound of apples.

Solution:

We need to find the slope of the line to get the cost of 1 pound of apples.

From the given graph it is clear that the line passes through two points (0,0) and (2,3). So, the slope of the line is

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

[tex]m=\dfrac{3-0}{2-0}[/tex]

[tex]m=\dfrac{3}{2}[/tex]

[tex]m=1.5[/tex]

Therefore, the cost of 1 pound of apples is $1.5.

Answer:

1.5

Step-by-step explanation:

asap...?

anyone.....?

Answers

Answer:

Kahirap naman nyan

Step-by-step explanation:

Sorry

Answer:

300-70-90=140

Step-by-step explanation:

Help me please ASAP!

Answers

Answer:

Choice 1

Choice 4

Choice 5

Step-by-step explanation:

For this one you just have to plug in the x in every equation and solve it. If the answer is true it's true, but if it's false it's false.

Let's solve each of these...

Number 1:

[tex]9-3x=0\\9-3(3)=0\\9-9=0\\0=0[/tex]

As you can see 0 does equal itself so this one is true.

Number 2:

[tex]3x+1=9\\3(3)+1=9\\9+1=9\\10\neq9[/tex]

10 does not equal 9 so this one would be false.

Number 3:

[tex]5x-7=1\\5(3)-7=1\\15-7=1\\8\neq1[/tex]

This one is also false.

Number 4:

[tex]2x+4=10\\2(3)+4=10\\6+4=10\\10=10[/tex]

This one is true.

Number 5:

[tex]\frac{x}{3}+5=6\\\frac{(3)}{3}+5=6\\1+5=6\\6=6[/tex]

This one is true.

Number 6:

[tex]\frac{9}{x}-1=4\\\frac{9}{(3)}-1=4\\3-1=4\\2\neq4[/tex]

This one is false.

three out of five houses in a small town are owned by families if there are 250 houses in town how many houses are owned by families

Answers

Answer:

150 houses

Step-by-step explanation:

for every 5 houses, 3 are owned by families. If you 50x the amount, for every 250 houses, there will be also 3x50=150 ones owned by families

Can someone please help me? If it is correct ai will give Brainliest
Thank you

Answers

9514 1404 393

Answer:

  A

Step-by-step explanation:

Collecting terms of the expression, we have ...

  x + 0.1x = x(1 +0.1) = 1.1x

In words, adding 10% is the same as multiplying the value by 1.1. Choice A is appropriate.

Help 15 points djdjfjfjfjjgkv

Answers

Step-by-step explanation:

YOUR ANSWER :- B. 45°.......

Perrie invests £25000 for 3 years in a saving account. She gets 2.7% per annum compound interest. Calculate the total amount of interest perrie will get after 3 years.

Answers

Answer:

I (interest) = £ 2,080.17

Step-by-step explanation:

Perrie invests £25000 for 3 years in a saving account. She gets 2.7% per annum compound interest. Calculate the total amount of interest perrie will get after 3 years.

To solve the above question, we would use the Periodic compound interest formula

A = P(1 + r) ^t

Where P = Principal = £25000

r = Interest rate = 2.7 % = 0.027

t = time in years = 3 years

Hence:

A = £25,000( 1 + 0.027)³

A = £27,080.17

A = P + I where

P (principal) = £ 25,000.00

I (interest) = £27,080.17 - £ 25,000.00

I (interest) = £ 2,080.17

The total amount of interest perrie will get after 3 years is £ 2,080.17

Rewrite each fraction with a denominator of 24 2/3 5/8

Answers

Answer:

A)16/24

B)15/24

Step-by-step explanation:

We were told to rewrite so that the denominator will be 24

A)2/3

This can be rewritten as 16/24, so that the denominator is now 24. And if we divide the numerator (16) by factor of 8 and the denominator (24) by factor of 8. Then we have 2/3.

OR

[2/3 × 8/8] = 16/24

B)5/8

This can be rewritten as 15/24, so that the denominator is now 24. And if we divide the numerator (15) by factor of 3 and the denominator (24) by factor of 3. Then we have 5/8

OR

(5/8 × 3/3)= 15/24

A square has a perimeter of 76 ft. What is the length of each side?

Answers

Answer:

19ft

Step-by-step explanation:

76÷4-- because a square has 4 sides

=19ft

19+19+19+19

=76

Answer:

nineteen. division by four

Sohan can do a piece of work in 10 days. He worked at it
for 5 days and then Mohan finished it in 5 days. In how
many days can sohan and morgan work together finish the
work?​

Answers

Answer:

5 days

Step-by-step explanation:

Sohan can do the whole thing in 10 days

he worked 5 days so he did half

and Mohan did the other half in 5 days

so their speeds are same

so if they worked together they'd do it in half the time

i.e 5 days

Tim is going to an amusement park that cost 30.00 to get into.Treats like cotton candy carmel apples and funnel cakes cost 2.00 dollars each .Tim does not want to spend more than 62.00 in all. Solv for x ,where x equals the number of 2.00 treats tim can buy

Answers

Answer:

x = 16 treata

Step-by-step explanation:

Let us represent x = Number of treats that Tim can buy

We are told that: Tim does not want to spend more than $62.00 in all.

= Time wants to spend less than or equal to $62.00

Tim is going to an amusement park that cost $30.00 to get into.Treats like cotton candy carmel apples and funnel cakes cost 2.00 dollars each .

Therefore, our inequality equation =

$30.00 + $2.00 × x ≤ $62.00

30 + 2x ≤ 62

Solving for x

30 + 2x ≤ 62

2x ≤ 62 - 30

2x ≤ 32

x ≤ 32/2

x ≤ 16

Hence, Tim can buy no more than(less than or equal to ) 16 treats

Ms. Albero decided to make juice to serve along with the pizza at the Student Government party. The directions said to mix 3 scoops of powdered drink mix with 1 gallon of water to make each pitcher of juice. One of Ms. Albero’s students said she will mix 12 scoops with 3 gallons of water to make 4 pitchers. How can you use the concept of proportional relationships to decide whether the student is correct?

Answers

Answer:

the student is wrong

Step-by-step explanation:

the og directions said 3 scoops / 1 gallon / 1 pitcher. if you are using 12 scoops, then the gallons of water will be proportional, meaning 3x4=12 scoops / 1x4=4 gallons / 1x4=4 pitchers. if you x4 to one of them, then the directly porportinal values also have to be multiplied by the same number, hence making the student wrong since they should have 4 gallons for 12 scoops

You are ordering a sandwich for lunch. If the sandwich shop boasts that they have 25 different toppings for their sandwiches, and you can choose up to five for no extra cost, how many combinations of toppings can you get on your sandwich without having to pay more?

Answers

Step-by-step explanation:

Number of Combinations

= 25C0 + 25C1 + 25C2 + 25C3 + 25C4 + 25C5

= 1 + 25 + 300 + 2300 + 12650 + 53130

= 68,406.

There are a total of 68,406 combinations.

Answer:

6

Step-by-step explanation:

Answer plzz I give will correct answer as brainliest

Answers

Answer: 13m

Step-by-step explanation:

A^2+ B^2= C^2

5^2+ 12^2= c^2

169= C^2

then square root the 169 to get 13

what is the answer to the question?​

Answers

Answer:

120°

Step-by-step explanation:

m<ABD+m<DBC=m<ABC

61°+59°=120°

hope this helped!

Answer:

We conclude that the value of m∠ABC = 120°

Step-by-step explanation:

Given

m∠ABD = 61°

m ∠DBC = 59°

To Determine

m∠ABC = ?

It is clear that the value of m∠ABC can be determined by adding m∠ABD and m∠DBC because m∠ABC the segment BD divides the angle m∠ABC into two adjacent angles m∠ABD and ∠DBC.

Therefore,

m∠ABC = m∠ABD + m∠DBC

             = 61° + 59°            ∵ m∠ABD = 61°, m ∠DBC = 59°

             = 120°

Therefore, we conclude that the value of m∠ABC = 120°

write two equations that goes through the point 7, 4 and -3,8​

Answers

Answer:

y=−2/5x+34/5 there is no other equation

Step-by-step explanation:

Answer:

y - 4 = -2/5(x - 7)

y = -2/5 + 6.8

Step-by-step explanation:

Graph it and see that they are both the same line and that they both go through the same points.

When Mr. Johnson check the newspaper on Monday he saw that the stock for Apple Inc. was worth $442.69 when he checked on Tuesday the stock had dropped $5.32 how much is the Apple Inc. stock worth on Tuesday

A. $437.37
B. $437.07
C. $448.01
D. $448.37

Answers

The answer is the second one
A. $437.37, 442.69-5.32=437.37

42.
*=3"y=9,- 27 and "y"? - 1, then abe is a
(a) 1
) (b) 27
(e)
( (d) 0
43. In given fig., the diagonals of a rectangle ABCD​

Answers

Answer: (d) 0

we have:

[tex]y=9^{b}=(3^{2})^{b}=3^{2b}\\\\z=27^{c}=(3^{3})^{c}=3^{3c}\\\\\\x^{bc}.y^{ca}.z^{ab}=1\\\\<=>(3^{a})^{bc}.(3^{2b})^{ca}.(3^{3c})^{ab}=1\\\\\\<=>3^{abc}.3^{2abc}.3^{3abc}=1\\\\\\<=>3^{6abc}=3^{0}\\\\\\=>6abc=0\\\\\\<=>abc=0[/tex]

Step-by-step explanation:

Answer:

abc = 0

Step-by-step explanation:

[tex]x = {3}^{a} \\ y = {9}^{b} = {3}^{2b} \\ z = {27}^{c} = {3}^{3c} \\ \\ \because \: {x}^{bc} {y}^{ca} {z}^{ab} = 1 \\ \\ \therefore \: ( {3}^{a} )^{bc} ( {3}^{2b} )^{ca} ( {3}^{3c} )^{ab} = 1 \\ \\ {3}^{abc} .{3}^{2abc} .{3}^{3abc} = 1 \\ \\ {3}^{abc + 2abc + 3abc} = 1 \\ \\ {3}^{6abc} = {3}^{0} \: \\ ( \because \: {3}^{0} = 1) \\ \\ \because \: bases \: are \: equal \\ \therefore \: exponents \: will \: also \: be \: equal \\ \\ \implies \: 6abc = 0 \\ \\ \implies \: \red{ \bold{abc = 0 }}[/tex]

Are the ratios 3:4 and 2:20 equivalent?

Answers

Answer:

no

Step-by-step explanation:

Which expression is equivalent to 0.5 × 0.6?
A. (5 × 10) × (6 × 10)
B. (5 × 110) × (6 × 1100)
C. (5 × 1100) × (6 × 1100)
D. (5 × 110) × (6 × 110)

Answers

Answer:

C.

Step-by-step explanation:

Because ( 5 x 1100) x (6 x 1100) yeay

The correct equivalent expression is (5 × 1/10) × (6 × 1/10)

The correct option is (D)

What are decimals?

Decimals are one of the types of numbers, which has a whole number and the fractional part separated by a decimal point.

Given:

0.5 × 0.6

Is we expand it into fraction we get

=5/10 * 6*10

Hence, the equivalent fraction is 0.5 × 0.6.

Learn more about decimal here:

https://brainly.com/question/548650

#SPJ2

I need help finding the missing side.

Answers

Answer:

x ≈ 25.1

Step-by-step explanation:

Using the cosine ratio in the right triangle, that is

cos64° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{11}{x}[/tex] ( multiply both sides by x )

x × cos64° = 11 ( divide both sides by cos64° )

x = [tex]\frac{11}{cos64}[/tex] ≈ 25.1 (  to the nearest tenth )

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