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2 years ago

To factor the trinomial 2x² + 13x - 24, a student must find factors of _ that add up to _.

Mathematics

2 answers:

KonstantinChe [14]2 years ago

6 0

Factors of -24 that add up to 13

Elan Coil [88]2 years ago

4 0

Answer:

Step-by-step explanation:

of -48 that add up to +13

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You purchase a cell phone for $125. the value of the cell phone decreases by about 20% annually. write a function at models the

djverab [1.8K]

F(x)=125-(125*0.2x)
to find the value of the phone after 3 years, you put x=3.
f(3)=125-(125*0.2(3))
f(3)=50

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3 years ago

A researcher studying public opinion of proposed Social Security changes obtains a simple random sample of 35 adult Americans an

Liula [17]

Answer:

Adult required in the case of “a” 28 and in the case of “b” the adult requirement is 19.

Step-by-step explanation:

(a) The percentage of adult that support the change is 20 percent.

Now calculate the number of adult required.

Given p = 0.20

Use the below condition:

$np(1 – p) \geq 10 \\n \times 0.20 (1 – 0.20) = 10 \\n = 63 round off$

Since 35 adults are already there so required adults are 63 -35 = 28

(b) The percentage of adult that support the change is 25 percent.

Now calculate the number of adult required.

Given p = 0.25

Use the below condition:

$np(1 – p) \geq 10 \\n \times 0.25 (1 – 0.25) = 10 \\n = 54 (round off)$

Since 35 adults are already there so required adults are 54 -35 = 19 .

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3 years ago

Does a mode or a mean or a median best represents data

Montano1993 [528]

The mean, since it's the average of whatever your data is.

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3 years ago

The table shows the depth of a submarine over a 2 hour period. Did the sub go up or down?By how much?

hichkok12 [17]

If the sub is closer to the surface later, we thus know that it traveled upwards.

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2 years ago

Read 2 more answers

How to write 9 and 9 thousandths in standard form

Paha777 [63]

Answer:

9.009

Step-by-step explanation:

As a mixed number, it is 9 9/1000.

The "thousandths" place in a decimal number is the third digit to the right of the decimal point, so a 9 in that place signifies 9 thousandths, or 9/1000. Adding 9 units gives ...

9 9/1000 = 9 + 0.009 = 9.009

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3 years ago

To factor the trinomial 2x² + 13x - 24, a student must find factors of _____________ that add up to _____________.

To factor the trinomial 2x² + 13x - 24, a student must find factors of _ that add up to _.