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ICE Princess25 [194]
3 years ago
13

Combine the like terms to create an equivalent expression: -k+3k

Mathematics
2 answers:
nydimaria [60]3 years ago
7 0

Answer:

=ykvnn

Step-by-step explanation:

noname [10]3 years ago
6 0

Answer: 2k

Step-by-step explanation:

Like terms are terms that have the same variables and powers.

k is the same variable so you would take away k (or 1k we just don’t write 1k in algebra) from 3k=2k

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Graph this inequality:<br> y ≤ 1/4x
Leviafan [203]
Graph this inequality:

8 0
2 years ago
a person invest in 9000 in a bank. the bank pays 5% interest compounded semi annually. to the nearest tenth of a year, how long
QveST [7]

Answer:

10.1 years.

Step-by-step explanation:

It is given that,

Principal = 9000

Rate of interest = 5%

No. of times interest compounded = 2 times in an year

Amount after certain time = 14800

The formula for amount:

A=P(1+\frac{r}{n})^{nt}

where, P is principal, r is rate of interest, n is no. of times interest compounded in an year and t is time in years.

Substitute the given values in the above formula.

14800=9000(1+\frac{0.05}{2})^{2t}

\frac{14800}{9000}=(1+0.025)^{2t}

1.644=(1.025)^{2t}

Taking log both sides.

\log(1.644)=\log(1.025)^{2t}

\log(1.644)=2t\log(1.025)    [\because \log a^b=b\log a]

\frac{\log(1.644)}{2\log(1.025)}=t

t=10.066

t=10.1

Therefore, the required time is 10.1 years.

3 0
3 years ago
The prime number which is also even is<br> a) 0<br> b) -2<br> c) 2<br> d) 6
Archy [21]

Answer:

c) 2

Step-by-step explanation:

a prime number is a number which is only completely divisible by 1 and itself

7 0
3 years ago
Read 2 more answers
Please help! I’ll give brainliest!!
inn [45]

Answer:

1.a part, share, or number considered in comparative relation to a whole.

1/3 = 2/6

2.If a proposition is true, then we say it has a truth value of "true"; if a proposition is false, its truth value is "false". For example, "Grass is green", and "2 + 5 = 5" are propositions. The first proposition has the truth value of "true" and the second "false".

3.

Don't confuse cross multiplication with cross cancellation. You use cross cancellation to make multiplying fractions easier. Set the two cross products equal to each other. 1 · 2 = 2 and 0.5 · f = 0.5f.

5 0
4 years ago
CAN someone help with #4 please?
Masja [62]
The constant of proportionality is <em>4 .</em>

The equation is  [ <em>Height = (4) times (Days)</em> ] .

When the sunflower is 60cm tall,                60 = (4) times (Days).

Divide each side of the equation by 4:       <em>15  =  Days</em>
8 0
3 years ago
Read 2 more answers
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