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Rzqust [24]
3 years ago
15

Find the value of x.

Mathematics
1 answer:
svetoff [14.1K]3 years ago
3 0

Answer:

x=17 plz the brainliest!

Step-by-step explanation:

3x+39=90

3x+39-39=90-39

3x=51

\frac{3x}{3}=\frac{51}{3}

x=17

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Helppppppppppppp!!!!!!
skelet666 [1.2K]

Answer:

1. V(12) = $ 1200

2. V(20) = $ 4800

Step-by-step explanation:

The following data were obtained from the question:

V(t) = 150 × 2ᵗ/⁴

V(12) =?

V(20) =?

1. Determination of V(12)

Time (t) = 12 years

V(12) =?

V(t) = 150 × 2ᵗ/⁴

V(12) = 150 × 2¹²/⁴

V(12) = 150 × 2³

V(12) = 150 × 8

V(12) = $ 1200

2. Determination of V(20)

Time (t) = 20 years

V(20) =?

V(t) = 150 × 2ᵗ/⁴

V(20) = 150 × 2²⁰/⁴

V(20) = 150 × 2⁵

V(20) = 150 × 32

V(20) = $ 4800

4 0
3 years ago
The sum of twice a number and 6 is equal to the sum of the number and 3
kvasek [131]
2x+6=x+3 this is the answer
8 0
3 years ago
HELP ILL MARK YOU BRAINLIST write in y=mx+b form HELP ILL MARK YOU BRAINLIST write in y=mx+b form
AnnyKZ [126]

Answer:

im pretty sure it is.

y=-1/4x +3

Good luck!

3 0
3 years ago
Read 2 more answers
No Links
Black_prince [1.1K]

Answer:

C

Step-by-step explanation:

A and B would be very expensive for 2 people, and D is too little, so C would be sensible! Hope this helps!

5 0
3 years ago
If y is 2.5 when x is 5 and y varies directly with x, find y when x is 10
Shalnov [3]
Y=mx where m is constant
2.5=m(5)
m= 0.5
when x=10
y=0.5×10
y=5
7 0
3 years ago
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