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tatyana61 [14]
3 years ago
7

2x3 + 5x2 + 6x + 15

Mathematics
1 answer:
iren [92.7K]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Distribute x^2 to 2x and 5, you’ll get 2x^3+5x^2.

The distribute 3 to 2x and 5, you’ll get 6x+15.

You’ll get what the question is asking for.

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calculate the population density of a city that occupies 2,968.7 sq.miles and has 302,143 people. Round to the nearest person pe
Ad libitum [116K]

302,143/2,968.7 = 101.776198336 ≈ 102 people/Sq. Mile

1. Divide the number of people by the area

2. Round to the the nearest person per Sq mile (if the number behind the number you want to round to is bigger or equal than 5 you increase the number you want to round to i. e. 2.5 ≈ 3, 2.3 ≈ 2, 1,23456 ≈ 1,235 if rounding to the third decimal point)

4 0
3 years ago
The three collinear points on line m are
Natali5045456 [20]

Answer:

Please repost and include an image of the line.

Step-by-step explanation:

8 0
3 years ago
What common denominator would you use to find equivalent, fractions to compare 4/8, 3/4, and 1/2?
Fofino [41]

Answer:

LCD = 8

Step-by-step explanation:

4/8=4/8

3/4= 6/8

1/2=4/8

6 0
2 years ago
Read 2 more answers
(Please someone help me!) (No links!)
mr_godi [17]

Answer: 1 4/5 / 2/7 = 63/

10

= 6 3/10  

= 6.3

Step-by-step explanation:

Conversion a mixed number 1 4/

5

to a improper fraction: 1 4/5 = 1 4/

5

= 1 · 5 + 4/

5

= 5 + 4/

5

= 9/

5

To find a new numerator:

a) Multiply the whole number 1 by the denominator 5. Whole number 1 equally 1 * 5/

5

= 5/

5

b) Add the answer from previous step 5 to the numerator 4. New numerator is 5 + 4 = 9

c) Write a previous answer (new numerator 9) over the denominator 5.

One and four fifths is nine fifths

Divide: 9/

5

: 2/

7

= 9/

5

· 7/

2

= 9 · 7/

5 · 2

= 63/

10

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of 2/

7

is 7/

2

) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. In the following intermediate step, the fraction result cannot be further simplified by canceling.

In other words - nine fifths divided by two sevenths = sixty-three tenths.

4 0
3 years ago
Read 2 more answers
What is the measure of RST?​
kumpel [21]

Answer:

A. m\angle RST=62^{\circ}

Step-by-step explanation:

We have been given a diagram. We are asked to find the measure of angle RST.

We can see that angle RST is formed by intersecting chords inside the circle, so its measure would be half the sum of intercepted arcs as:

m\angle RST=\frac{\widehat{RT}+\widehat{PQ}}{2}

m\angle RST=\frac{77^{\circ}+47^{\circ}}{2}

m\angle RST=\frac{124^{\circ}}{2}

m\angle RST=62^{\circ}

Therefore, the measure of angle RST is 62 degrees.

6 0
4 years ago
Read 2 more answers
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