What is the sum of 3/8 + 2/5

Answers

Answer 1
3/8 + 2/5 = 31/40

the fractions have unlike denominators. first, find the least common denominator and rewrite the fractions with the common denominator. multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. this is basically multiplying each fraction by 1. Once you complete the multiplication and the equation you should have 15/40 + 16/40. Since the denominators are alike all you have to do is add the numerators and you’ll have 31/40. hope I helped

Related Questions

Please please PLEASE Help me!7th grade math, I will give brainliest to the correct answer!

Answers

CCcCcCcCcCcCc Cc c C c c c. C c c c

Answer:

c

Step-by-step explanation:

Will mark brainliest pls help!

Which of the following is the solution to the equation shown below in terms of the constants a,b,c,d?

Answers

Answer:

(2)

Step-by-step explanation:

To find the solution, we must find x in terms of everything else, so I will move everything to the left hand side besides x. Let me know if you don’t understand anything below! :)

Answer:

(2)  x =  a + (bc - bd)^2.

Step-by-step explanation:

√(x - a)/ b  + d = c

√(x - a)/ b  = c - d

√(x - a)   = bc - bd

Squaring both sides:

x - a =  (bc - bd)^2

x =  a + (bc - bd)^2

A typical person takes about 24000 breaths each day. Write an equation you can use to find the number of breaths a typical person takes each minute.​

Answers

Step-by-step explanation:

Welp if a typical person takes 24000 breaths each day that's means

24000÷24=1000

so that's means 1000 per hour

if a hour take 60 Min that's mean

1000÷60=16.6666667 don't tell me I'm not sure about this answer and not really good at this :p

Please help me out thank you.​

Answers

its A

Step-by-step explanation:

Answer:

_____________

Which linear inequality best represents the graph?

Answers

Answer:

[tex]3x - 4y \geqslant - 12[/tex]

Step-by-step explanation:

[tex]3x - 4y \geqslant - 12[/tex]

[tex] - 4y \geqslant - 3x - 12[/tex]

Y <= 3/4X +3

solve using quadratic equation​

Answers

Answer:

±5 is your answer

Step-by-step explanation:

x²-25=0

comparing above equation with ax²+bx+c

we get

a=1

b=0

c=-25

by using quadratic equation

x=(-b±√(b²-4ac))/2a=(-0±√(0²-4×1×-25))/2×1

=±{√(100)}/2=±(√10²)/2=±10/2=±5

Answer:

5, - 5

Step-by-step explanation:

x^2 = 25

x = ± √25

= ± 5

x = 5, - 5

will mark brainliest

Answers

(2x+1)+(3x-5)=5x-4 you just have to try some of them out and see which ones work

Find f(x) and g(x) so that the function can be described as y = f(g(x)).

y = Four divided by x squared. + 9
a) f(x) = x + 9, g(x) = Four divided by x squared.
b)f(x) = x, g(x) = Four divided by x. + 9
c)f(x) = One divided by x., g(x) = Four divided by x. + 9
d)f(x) = Four divided by x squared., g(x) = 9

Answers

the answer is Y/g

y=fgx

y/g=fx,which mines f(x)=y/g

prove that...

sin A = Cos (90°- A)​

Answers

Step-by-step explanation:

assuming A=90 degree and B =A

cos90=0 and sin90=1

Solve 11=h-14 please

Answers

Answer:

25

Step-by-step explanation:

25-14=11

Answer:

25

Step-by-step explanation:

11=25-14

Since 11+14 is 25 then h in 11=h-14 must be 25

The value of 23 + 33 = ___. Numerical Answers Expected!

Answers

Answer:

75.76%

Step-by-step explanation:

Please help me this is due asap!

Answers

Answer:

Step-by-step explanation:

Did not see any questions I think you make a mistake you did not put the question.

Can someone plz help me with this?

Answers

Answer:

D

Step-by-step explanation:

because the odds have to be even if the possobility number is even

how many minutes would it take rachel to jog 3 miles if she jogs 1/15 mile every minute

Answers

Answer:

3 mi * 15 min/mi = 45 min

Step-by-step explanation:

The side length of a triangle are 6,8 and 12 are these sides of a right triangle

Answers

Answer:

Yes it a right triangle!!

Hope it helps you!!

Answer:

No

Step-by-step explanation:

6^2 + 8^2 doesn't equal 12^2

Perimeter? =
Area? =

Answers

Answer:

Your answer is

Area  = 16.23

perimeter = 24

Mark my answer as brainlist . I need that urgently . Folow me for more answer.

Step-by-step explanation:

5
Evaluate the expression when x = 3 and y = 6
The product of 8 and a number x

Answers

Answer:

46

Step-by-step explanation:

First, we must write the mathematical form for "the product of 8 and a number x":

8

×

x

Then "6 more than this" would be:

(

8

×

x

)

+

6

So, to evaluate for  

x

=

5

we substitute  

5

for  

x

and calculate:

(

8

×

5

)

+

6

40

+

6

46

the square of a number is 16 do you know the number

Answers

Answer:

4

Step-by-step explanation:

4 squared, which is the same thing as 4 times 4, is 16.

[tex]4^2=16[/tex]  or [tex]4 * 4 = 16[/tex]

you can check your answer by finding the square root of 16.

[tex]\sqrt{16}=4[/tex]

i hope this helps! have a nice day <3

You have 59 total coins in a jar on your nightstand at home. The total amount of money is $12.05. You only have quarters and dimes. How many of each type of coin do you have? (hint - use a different method to write and solve the system).​

Answers

9514 1404 393

Answer:

41 quarters18 dimes

Step-by-step explanation:

When there are two contributors to the mix, it usually works well to let a variable represent the quantity of the larger contributor. Here, that larger contributor is the quarter.

Let q represent the number of quarters. Then 59-q is the number of dimes. The value of the coins, in cents, is ...

  25q +10(59 -q) = 1205

  15q +590 = 1205 . . . . . . . . eliminate parentheses, collect terms

  15q = 615 . . . . . . . . . . . subtract 590

  q = 41 . . . . . . . . . . divide by 15

  59-q = 59 -41 = 18 . . . . . number of dimes

You have 41 quarters and 18 dimes.

porfis ayúdenme es para hoy ​

Answers

Answers:

1. V=triangle area × length

V=1/2×8×12×20

V=960in³

2. triangle area × length

Area of the triangle=1/2×4×11

A=22ft²

V=22×6

V=132ft³

3. b, volume always have cubic power (³)

4. d, same reason of question 3

Which properties justify the steps taken to solve the system? {2a+7b=03a−5b=31 10a+35b=0; 21a−35b=217 ​31a = 217 a = 7 2(7)+7b=0 14 + 7b = 0 7b=−14 b=−2 what are each of the steps taken?

Answers

9514 1404 393

Explanation:

2a+7b=0 . . . . . . . . given [eq1]

3a−5b=31 . . . . . . . .given [eq2]

10a+35b=0 . . . . . . multiplication property of equality 5×[eq1] = [eq3]

21a−35b=217 ​. . . . .multiplication property of equality 7×[eq2] = [eq4]

31a = 217 . . . . . . . . addition/substitution properties of equality [eq3]+[eq4]

a = 7 . . . . . . . . . . . . division property of equality (÷31)

2(7)+7b=0 . . . . . . . .substitution property of equality; a=7 in [eq1]

14 + 7b = 0 . . . . . . . properties of real numbers

7b=−14 . . . . . . . . . . addition property of equality; add -14

b=−2 . . . . . . . . . . . . division property of equality (÷7)

Can someone please check my answer for this function???

Answers

Answer:

You're wrong, it's the bottom left

Step-by-step explanation:

x^2-49 is a difference of squares so it factors into (x+7)(x-7) which obviously cancels out with the denominator leaving x-7 left. This is the line you should graph, but keep in that x+7 is still in the denominator so x cannot be equal to -7 which means that this point should be be on the line which leaves the answer to be the one on the bottom left.

what is 4(3x  6y) equivalent to?

Answers

Answer:

2x/y ??

Step-by-step explanation:

Answer: If the sign missing is supposed to be a plus sign, then the answer is 12x+24y

Step-by-step explanation:

if f(x)=325(.96)^x find f(6)

Answers

9514 1404 393

Answer:

  about 254.40

Step-by-step explanation:

Put the value where x is and do the arithmetic. (Any scientific or graphing calculator can do this for you.)

  f(6) = 325(0.96^6) ≈ 254.40

Enter an equation in the form y = mx + b that represents the function

Answers

Answer: no answer c

Step-by-step explanation:

A cube has edges measuring 6 inches each. What is the volume of the cube?

Answers

Answer:

6*6*6 = 216

Step-by-step explanation:

If each edge is six inches the volume of the cube will be 216 cubic inches. The edges of cube are six inches long what is the volume? 6*6*6 = 216

‼️ PLEASEEEE HELPP‼️

Answers

Answer:

I think the answer is 17

Step-by-step explanation:

I think its 17 because i watched a video and it says the midline should be half of the bottom.

I rlly hope this would help

Help me please!!!! I really need help ty!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

There are:
3 1/4 gallons
2 3/8 gallons
4 5/8 gallons
And 1 gallon

3(1/4) would be 3/4
2(3/8) would be 6/8
4(5/8) would be 20/8
And 1 is just 1

To have all denominators match up, you can have 3/4 be 6/8, or 6/8 be 3/4 and 20/8 be 10/4.

6/8 + 6/8 + 20/8 = 32/8 = 4
4 + 1 = 5
(Or alternatively)
3/4 + 3/4 + 10/4 = 16/4 = 4
4 + 1 = 5

The y-intercept is the point where the line crosses the


A. origin


B. slope


C. y-axis




D. x-axis

Answers

Y axis
.................
Y-axis
________________________

Please Help!!!!!!!!!!!!! Will Give Brainliest

Answers

Answer:

sum of all angles =180

15° + 25° +(39+x) =180°

40° + 39 +x = 180

79° +x =180

x = 180 - 79

x. = 101

complete angel = 39 +x

= 39 + 101

= 140

All interior angles of triangle add up to a sum of 180.
39+25=64
180-64=116
180-116=64
64+15=79
180-79=101

X=101
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