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Soloha48 [4]
3 years ago
7

Write an expression that is equivalent to 5(t+3) .

Mathematics
2 answers:
julia-pushkina [17]3 years ago
6 0
<h3>Answer: 5t+15</h3>

This is equivalent to 5t+5*3

To get the answer, you multiply the outer term 5 by each term inside

5 times t = 5*t = 5t

5 times 3 = 5*3 = 15

Then you add up those products to get 5t+15.

This is using the distributive property.

goblinko [34]3 years ago
3 0

Answer: 5t+15

Step-by-step explanation: Distribute the 5 into the parenthesis.

5 x t = 5t

5 x 3 = 15

You will get 5t +15.

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Dima020 [189]

Answer:

4x - 3y = 4

-3x + 3y = -6

x = -2

-2 - y = 2

-y = 4

y = -4

(-2,-4)

5 0
4 years ago
In a survey of 225 art students 28% reported that their favorite color is blue. What is the margin of error for the sample?
ipn [44]
Margin of error is important in determining the probability as it gives realistic data for the distribution. The formula to be followed for margin of error is m% = z* sqrt (p*(1-p))/n where p is the % positive outcome, n is the sample size and z* is a constant dependent to % confidence level. Substituting, m% = z* (0.03). Level of confidence is not given but assuming at95% CF, m% = 6%
3 0
3 years ago
Luego de su cumpleaños, Benjamín ha decidido donar la tercera parte del dinero que recibió de regalo de sus familiares a una fun
Aloiza [94]

Answer:

The dependent variable is the amount of money he received for birthday.

Step-by-step explanation:

After his birthday, Benjamin has decided to donate a third of the money he received as a gift from his relatives to a foundation. Considering the variables amount of money received by Benjamin and amount of money that Benjamin will donate. to. What is the dependent variable in this situation.

Here, the money he received for the birthday is x.

So, he donated x/3.

The variable is the money which he gets, so the dependent variable is amount of money he received for the birthday.

3 0
3 years ago
Find the wronskian of the set {1 - x, 1 + x, 1 - 3x}.​
bija089 [108]

Answer:

Correct option is

A

−415

1(x+1x−1)=3x

⇒x+1x−1=3⇒x+1x−1=9

x−1=9x+9

−8x=10⇒x=4−5

f(3)=3(4−5)=4−15

8 0
3 years ago
Read 2 more answers
A marvellous spatuletail is flying at an elevation of 4294 \dfrac29492​4, start fraction, 2, divided by, 9, end fraction meters.
user100 [1]

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete as what is required is not stated.

<em>However, since it deals with height of different elevations and these heights are represented by fractions, a possible question could be to calculate the difference between both elevations </em>

Represent Marvellous Spatuletail with M and Asian crested ibis with A.

M = 4\frac{2}{9}

A = 10\frac{1}{4}

Calculating the difference (D).

To do this, we make use of absolute difference as follows:

D = |M - A|

Substitute values for M and A

D = |4\frac{2}{9} - 10\frac{1}{4}|

Convert fraction to improper numbers.

D = |\frac{38}{9} - \frac{41}{4}|

Take LCM

D = |\frac{38*4-41*9}{36}|

D = |\frac{152-369}{36}|

D = |\frac{-217}{36}|

Remove the absolute sign

D = \frac{217}{36}

D = 6\frac{1}{36}

<em>Hence, the difference between both elevations is: </em>6\frac{1}{36}\ meters<em></em>

Another possible question is to determine which of the two is flying at a higher elevation or lower elevation

We have.

M = 4\frac{2}{9}

A = 10\frac{1}{4}

Compare the integer parts of both fractions.

10 > 4

So, A flies at a higher elevation.

<em>Hence: Asian crested ibis flies at a higher elevation and Marvellous Spatuletail flies at a lower elevation.</em>

7 0
3 years ago
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