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ANTONII [103]
3 years ago
9

Help please! −3/4 + (1/10 ÷ 2/5)

Mathematics
2 answers:
Tomtit [17]3 years ago
3 0
-3/4 + (1/10 x 5/2) reciprocal
-3/4 + 1/4
-2/4
Simplify
-1/2
IgorLugansk [536]3 years ago
3 0
-1/2 is the answer man hope this helps
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What is the sum or difference of 517 37/50 + 312 3/100
Romashka [77]
The sum is 829.77, and the difference is 205.44
8 0
3 years ago
(Need asap plz)
Vikentia [17]

Step-by-step explanation:

add up all of the numbers in the five groups then divide the numbers by the number of numbers you have for example if the sum of all of those numbers is let's a 25 and you have 5 numbers you'll divide 25 by 5 and your men will be 5:00 and if the sum of the numbers was 30 and you have six numbers you'll / 30by6 then your answer then the mean will be six

7 0
3 years ago
Read 2 more answers
Consider the following.3x + 3y = 8(a) Find y' by implicit differentiation.(b) Solve the equation explicitly for y and differenti
ludmilkaskok [199]

Answer:

a.y'=-1

b.y'=-1

c.Yes

Step-by-step explanation:

We are given that consider a function

3x+3y=8

Implicit function: That function is a relation in which dependent variable can not be expressed in terms of independent variable

Explicit function: It is that function in which dependent variable can be expressed in terms of independent variable.

a.3x+3y=8

Differentiate w.r.t x then we get

3+3\frac{dy}{dx}=0

3\frac{dy}{dx}=-3

\frac{dy}[dx}=\frac{-3}{3}=-1

\frac{dy}{dx}=y'=-1

b.3x+3y=8

3y=8-3x

y=\frac{8-3x}{3}

Differentiate w.r.t x then we get

\frac{dy}{dx}=\frac{-3}{3}=-1

\frac{dy}{dx}=y'=-1

When we substituting the value of y obtained from part b into a solution of part a then we get

y'=-1

Hence, solutions are consistent.

8 0
2 years ago
Help me with this question please
docker41 [41]

7x/x-4 * x/x+7

mutiply the numerators together

(7x)(x)= 7x^ 2

mutiply the denominators together

(x-4)(x+7)

(x)(x)(7)(x)= x^2+7x

(-4)(x)(-4)(7)= -4x-28

x^2+7x-4x-28

x^2+3x-28

Answer:

7x^2/x^ 2+3x-28

6 0
3 years ago
Questions are on the attachment
Mars2501 [29]

Answer:

b. 136

Step-by-step explanation:

you separate the right and left side  so its 12x6 and 8x8 then you add the two products and get 136

6 0
3 years ago
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