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3 years ago

How do you solve this, I've tried to solve it but can't figure it out 2a+4>12

Mathematics

1 answer:

Rudiy273 years ago

7 0

Answer:

a>4

Step-by-step explanation:

work it just like you would if the > sign was an equal sign until you get to the last step

2a+4>12

subtract 4 from both sides

2a>8

divide both sides by 2

a>4

thats your answer :)

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Identify the 12th term of the arithmetic sequence in which a7 = 40 and a18 = 106.

Lady_Fox [76]

we are given

airthematic sequence

we can use nth term formula

$a_n=a_1+(n-1)d$

n is number of terms

an is nth term

d is common difference

a1 is first term

We are given

a7=40

we can use it

$a_7=a_1+(7-1)d$

$40=a_1+6d$

$a_1+6d=40$

a18 = 106

$a_1_8=a_1+(18-1)d$

$a_1+17d=106$

we can subtract both equations

$a_1+17d-a_1-6d=106-40$

$11d=66$

$d=6$

now, we can find a1

$a_1+6d=40$

we can plug d=6

$a_1+6*6=40$

$a_1=4$

12th term:

$a_1_2=a_1+(12-1)d$

now, we can plug values

$a_1_2=4+(12-1)*6$

$a_1_2=4+66$

$a_1_2=70$

so, 12th term is 70...........Answer

3 0

3 years ago

Write the equation of the shown line in slope intercept form. please help!

g100num [7]

Answer:

y=-4x+4

Step-by-step explanation:

Find the slope of the line, then substitute the m with the slope. The y-intercept is 4.

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2 years ago

A rocket is launched in to the air with an initial upward velocity of 375 ft/s, from ground

pshichka [43]

Answer:

h(t)=-16t^2+375t

Step-by-step explanation:

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2 years ago

Helpp plss this needs to be done before 11:59 I’ll do anything for you just helpp

Alexus [3.1K]

Answer:

20=91.35*2

182$

21=17+18+15 vs 17+15+18

equal distributive property

Hope This Helps!!!

8 0

2 years ago

Read 2 more answers

Work out 1 3/4 x 4 1/6

sattari [20]

Convert mixed number to improper fraction:

$1\dfrac{3}{4}=\dfrac{1\cdot4+3}{4}=\dfrac{4+3}{4}=\dfrac{7}{4}\\\\4\dfrac{1}{6}=\dfrac{4\cdot6+1}{6}=\dfrac{24+1}{6}=\dfrac{25}{6}\\\\1\dfrac{3}{4}\times4\dfrac{1}{6}=\dfrac{7}{4}\times\dfrac{25}{6}=\dfrac{7\times25}{4\times6}=\dfrac{175}{24}=\dfrac{168+7}{24}=7\dfrac{7}{24}$

8 0

3 years ago

How do you solve this, I've tried to solve it but can't figure it out 2a+4>12​

How do you solve this, I've tried to solve it but can't figure it out 2a+4>12