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OlgaM077 [116]
3 years ago
8

what would the phrase "three times the sum of a number and 4" look like as a variable expression? 3(3x 4) 3(x 4) 3x−4 3x 4

Mathematics
1 answer:
tangare [24]3 years ago
4 0
The correct answer is 3(x+4)
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Can negative intigers be turned into a fraction
Verdich [7]
Yea Any integer can be written as a fraction! Just put that integer as the numerator of a fraction with a denominator
8 0
3 years ago
Read 2 more answers
Shannon and Kelly spent $135 on gift certificates for their friends during the holidays. If this amount is 5/7 their total spend
Katena32 [7]

Answer:

$189

Step-by-step explanation:

Let their total amount of spending money be x

given that $135 they spent is 5/7 of their total spending money,

mathematically:

135 = (5/7) x     (multiply both sides by 7)

135 (7) = 5x

945 = 5x

5x = 945  (divide both sides by 5)

x = 945 / 5

x = 189

4 0
3 years ago
Please solve for M<PRQ​
MakcuM [25]

Answer:

m\angle PRQ =49\degree

Step-by-step explanation:

m\angle PSQ = 360\degree - (128\degree + 134\degree )

m\angle PSQ = 360\degree - 262\degree

m\angle PSQ = 98\degree

Now, by inscribed angle theorem:

m\angle PRQ = \frac{1}{2} \times m\angle PSQ

m\angle PRQ = \frac{1}{2} \times 98\degree

m\angle PRQ =49\degree

5 0
2 years ago
A baseball collector took inventory of all of his baseball cards along with the value of each card. The box plot represents the
love history [14]

Answer: less than 25%

Step-by-step explanation:

The box plot can be read as follows:

The first black dot is the minimum value.

The first half of the rectangle is the lower quartile.

The line that separates the two rectangles is the median.

The second half of the rectangle is the upper quartile

The final point is the maximum.

Knowing that each quartile represents about the 25% of the elements for the set, we can see that both lower and upper quartile (and the 25% of the elements that come after the upper quartile) cost more than $45.

Then we know that at least the (25% + 25% + 25%) = 75% of the cards in the collection cost more than $45.

And we also have elements that are not in the lower quartile that cost more than $45, but we can not determine the percentage that they represent.

So we can only conclude that more than the 75% of the collection costs more than $45.

Now we want to know the percentage of the baseball cards valued at less than $45.

So if more than 75% is valued at more than $45.

Then less than 25% is valued at less than $25.

8 0
3 years ago
2x=90<br> 3y-2x=90<br> Please tell me work
svp [43]
90 divided by 2= 45 so x=45
2•45=90
So, for the next one y=60 because 90+90=180
3•60-2•45=90
5 0
3 years ago
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