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lions [1.4K]
4 years ago
5

4(2x+7) +3 (2x+7) but (2x+7) is equal to 2

Mathematics
1 answer:
vodomira [7]4 years ago
6 0
Use the distributive property to get 8x+28+6x+21 then combine 8x and 6x and also combine 28 and 21 to get 14x+49, do u need to go further or?
You might be interested in
Work out (4 x 3)² ÷ 6
blondinia [14]

An expression is defined as a set of numbers, variables, and mathematical operations. The solution of (4 x 3)² ÷ 6 is 24.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The solution of the expression (4 x 3)² ÷ 6 is,

(4 x 3)² ÷ 6

= (12)² ÷ 6

= 144 ÷ 6

= 24

Hence, the solution of (4 x 3)² ÷ 6 is 24.

Learn more about Expression:

brainly.com/question/13947055

#SPJ1

6 0
2 years ago
Six friends decide to split the check at a restaurant evenly.
SIZIF [17.4K]

Answer:

I think the answer would be $21

Step-by-step explanation:

On a calculator you type 108.53 then divide it by six and add 18%.

6 0
3 years ago
What is the value of 6P6? A.1 B.36 C.720 D.46,656
alukav5142 [94]

Answer:

c

Step-by-step explanation:


8 0
3 years ago
Element X is a radioactive isotope such that every 22 years, its mass decreases by
musickatia [10]

Answer: The time taken for the mass to reduce from 50 g to 41 g is 6 years

Step-by-step explanation:

Expression for rate law for first order kinetics is given by

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  

t = age of sample

a = let initial amount of the reactant  

a - x = amount left after decay process  

a) for completion of half life:

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

t_{\frac{1}{2}}=22 years

k=\frac{0.693}{t_{\frac{1}{2}}}=\frac{0.693}{22}=0.0315years^{-1}  

b) for mass to reduce from 50 g to 41 g

t=\frac{2.303}{0.0315}\log\frac{50}{41}

t=6years  

The time taken for the mass to reduce from 50 g to 41 g is 6 years

8 0
3 years ago
functions f(x) and g(x) are shown below: f(x) = x2 g(x) = x2 10x 25 in which direction and by how many units should f(x) be shif
Alex73 [517]
G(x) = x^2 + 10x + 25 = (x + 5)^2
f(x) should be shifted left by 5 units to obtain g(x).
4 0
3 years ago
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