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NARA [144]
3 years ago
13

Three is added to a number and the result is multiplied by seven. The answer is two more than twelve.

Mathematics
1 answer:
mr Goodwill [35]3 years ago
3 0

Answer:

The number is -1

Step-by-step explanation:

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. The larger of two numbers is 7 less than twice the
Ganezh [65]

Answer:

x = 2y - 7

x + y = 47

substitute x

2y - 7 + y = 47

3y = 54

y = 18

x = 2x18 - 7

x = 29

4 0
3 years ago
#14 write the given sentence as an equation. Tim'S age in 7 years will be three times what it was 19 years ago
kobusy [5.1K]
The first thing we must do for this case is to define variables.
 We have then:
 x = Tim's age
 Now we write the equation:
 x + 7 = 3 (x-19)
 Answer:
 
Tim's age in 7 years will be three times what it was 19 years ago:
 
x + 7 = 3 (x-19)
3 0
3 years ago
Two piecewise functions are shown below. What is the value of
gizmo_the_mogwai [7]

Step-by-step explanation:

I am not sure what your problem here is.

you understand the inequality signs ?

anyway, to get

6×f(-2) + 3×g(1)

we can calculate every part of the expression separately, and then combine all the results into one final result.

f(-2)

we look at the definition.

into what category is -2 falling ? the one with x<-2, or the one with x>=-2 ?

is -2 < -2 ? no.

is -2 >= -2 ? yes, because -2 = -2. therefore, it is also >= -2.

so, we have to use

1/3 x³

for x = -2 that is

1/3 × (-2)³ = 1/3 × -8 = -8/3

g(1)

again, we look at the definition.

into what category is 1 falling ? the one with x > 2 ? or the one with x <= 1 ?

is 1 > 2 ? no.

is 1 <= 1 ? yes, because 1=1. therefore it is also <= 1.

so we have to use

2×|x - 1| + 3

for x = 1 we get

2×0 + 3 = 3

6×f(-2) = 6 × -8/3 = 2× -8 = -16

3×g(1) = 3× 3 = 9

and so in total we get

6×f(-2) + 3×g(1) = -16 + 9 = -7

3 0
2 years ago
Write an expression equivalent to e+e+e+e+e that is a sum of two terms.
slamgirl [31]

Answer:

5e

5(e)

Step-by-step explanation:

please mark this answer as brainliest

5 0
3 years ago
Tim needs 23 3/4 m of wood trim to remodel a room. Wood trim is sold in lengths of 1 1/4 m. What equation can be used to find th
Bumek [7]
I hope this helps you

5 0
3 years ago
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