3 years ago

Who can help me with Geometry questions?

Mathematics

1 answer:

netineya [11]3 years ago

6 0

I can most likely what cha need

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-2a3 - 3a2 + 4a + 6, 2a3 + 5a2 + 7 <br> sum the expression

zavuch27 [327]

Answer:

2a2 + 4a + 7

Step-by-step explanation:

As, - (2a3 - 3a2 + 4a + 6) + (2a3 + 5a2 + 7)

= 2a2 + 4a + 13

5 0

3 years ago

A sample of 260 students enrolled at a university were asked what they intended to do after graduation. The results are shown be

vovikov84 [41]

ANSWER

$30\%$

EXPLANATION

The total number of students can be calculated by adding all the frequencies.

From the graph the total frequency is,

$39+117+78+26 =260$

The number of students who intend to go into state or local government after graduation is 78.

The percentage of students who intend to go into state or local government after graduation

$= \frac{78}{260} \times 100\%$

$= \frac{3}{10} \times 100\%$

$= 30\%$

4 0

4 years ago

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Light travels at about 3000 000 000 meter per second what is this speed in kilometers per hour

faltersainse [42]

3000000 Kilometers i believe

6 0

3 years ago

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Sally needs to have some drywall and insulation work done in her house. She has received a quote from a professional drywall con

Leno4ka [110]

It said the correct answer was the contractor

5 0

3 years ago

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The function f(x) = 16,800(0.9)x represents the population of a town x years after it was established. What was the original pop

Setler79 [48]

I am guessing that the correct form of equation is:

f(x) = 16,800(0.9)^x
where x is the exponent of (0.9)

Since we are looking for the original population and x stand sfor the number of years, therefore x=0
substituting:
f(x) = 16,800(0.9)^0

Since (0.9)^0 would just be equal to 1. Therefore the original population is 16,800.

Answer: B. 16,800

3 0

4 years ago

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