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MrRa [10]
1 year ago
11

Does someone mind helping me with this question? Thank you!

Mathematics
2 answers:
Rina8888 [55]1 year ago
7 0

Answer:

70

Step-by-step explanation:

5(2x+6)

5(2 times4 +6)

5(8 +6)

5(14)

70

mezya [45]1 year ago
3 0

Answer:

<u>70</u>

Step-by-step explanation:

ok so we just plug 4 for x in the expression:

5 (2*4 + 6 )

5 ( 8 + 6 )

5*14 = 70

Have a good day! :)

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Hullan's age is three times Thomas's age. The sum of their ages is 92. What is Thomas's age?
Ksju [112]

Answer: 23

Step-by-step explanation: You can start by setting this up as an equation like so,

X + 3(X) =92 where x is Thomas’ age and the 3x indicates Hullans age being 3 times greater than Thomas.

Combine the x’s

4(x) = 92

Divide by 4 X = 92/4

92/4 = 23, x = 23

7 0
3 years ago
Please Help!!! I need help
Firlakuza [10]

Answer:

I cant see anything

Step-by-step explanation:

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6 0
2 years ago
Li brought five lip bombs each of the lip bombs Costs the same amount she spent a total of $7.25 A write an equation that repres
Advocard [28]

Answer:

A) 5c = 7.25

 (c being the singular lip balm price multiplied by 5)


B) You can draw a picture of 5 Lip balms, label each with (c) and then next to those drawings, put = 7.25. You could also draw 7 dollar bills and a quarter if you wanted!



C) 5c = 7.25

Divide each side by 5

c = 1.45


Each lip balm costs $1.45! Hope this helps! Please award brainliest if helped.




4 0
3 years ago
Read 2 more answers
2. The number of atoms of a particular chemical element is modelled by
____ [38]

9514 1404 393

Answer:

  a) 600

  b) see below

  c) 1.26 hours

Step-by-step explanation:

a) The value of y when x=0 is the coefficient of the exponential term:

  y = 600·3^(-0) = 600·1 = 600

There were 600 atoms to start.

__

b) see attached for a graph

__

c) The graph shows 150 atoms at t = 1.26, about 1.26 hours after the start of time counting.

If you want to find that value algebraically, substitute for y and solve for x. Logarithms are involved.

  150 = 600·3^(-x)

  150/600 = 3^(-x)

  log(1/4) = -x·log(3)

  x = -log(1/4)/log(3) = log(4)/log(3) ≈ 1.2618595

After about 1.26 hours, there were 150 atoms.

6 0
3 years ago
What is 3 ÷ 2\5 pls answer dis<br>​
Anna35 [415]

Answer:

15/2

Step-by-step explanation:

when dividing by fractions, we "flip and multiply"-- therefore:

3 ÷ 2\5 = 3 x 5/2

3 x 5/2 = 15/2

7 0
2 years ago
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