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2 years ago

F(x)=x^(2)+3x+4 is this quadratic, linear, or neither

Mathematics

1 answer:

goblinko [34]2 years ago

8 0

Quadratic
you’re welcome

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If ΔOPQ is dilated from point Q by a scale factor of 3, which of the following equations is true about segment R prime S prime?

Sergio [31]

Answer:

$\overline {R'S'} = 3 {\overline {RS} }$

Step-by-step explanation:

The scale factor of dilation of triangle ΔOPQ, S.F. = 3

The center of dilation = Point <em>Q</em>

Therefore;

The length of the segment, ${\overline {S'Q'} }$ = 3 × The length of the segment, ${\overline {SQ} }$

Similarly;

The length of the segment, ${\overline {R'Q'} }$ = 3 × The length of the segment, ${\overline {RQ} }$

By Pythagoras theorem, we have;

${\overline {R'Q'} }^2 = {\overline {R'S'} }^2 + {\overline {S'Q'} }^2$

Therefore;

${\overline {R'S'} }^2 = {\overline {R'Q'} }^2 - {\overline {S'Q'} }^2 = \left ({3 \times \overline {RQ} } \right) ^2 - \left (3 \times {\overline {SQ} } \right) ^2 = 9 \times \left (\overline {RQ} } ^2 - {\overline {SQ} } ^2 \right) = 9 \times {\overline {RS} }^2$

$\therefore \sqrt{ {\overline {R'S'} }^2} = \sqrt{ 9 \times {\overline {RS} }^2}= 3 \times {\overline {RS} }$

$\overline {R'S'} = 3 \times {\overline {RS} }$ .

6 0

3 years ago

a 24 foot tall tree cast a 30 foot long. a 4 foot tall child is standing nearby how long is the child's shadow

kotykmax [81]

You put it in a ratio so it's 24/30 = x/4 so the answer is 3.2 feet

7 0

3 years ago

Read 2 more answers

How do i round 74,600 to the nearest thousand

Nataly [62]

Answer:

75000

hope this helps u

brainliest pls

Step-by-step explanation:

Let 7.1239 is a decimal number. Now, we have to round the given decimal number to its nearest thousandth.

Step 1: Identity the thousandth digit. (Here, 3 is the digit which is in thousandth place)

Step 2: Now, look at the digit, which is next to the thousandth place. If that digit is less than 5, round down the thousandth digit. If that digit is greater than or equal to 5, round up the thousandth digit. From the example given above, the digit next to the thousandth digit (i.e., 9) is greater than 5, so we have to round up the thousandth digit.

Step 3: Thus, the number 7.1239 rounded to the nearest thousandth is 7.124.

7 0

3 years ago

Please help, What is the nth term rule of the quadratic sequence below?<br> -4,1,12,29,52,81,116

Evgesh-ka [11]

Answer:

29-12 is a 17 difference

52-29 is a 23 difference (adding 6 to the number 17)

81-52 is a 29 difference (adding 6 to the number 23)

116-81 is a 35 difference (adding 6 to the number 29)

Step-by-step explanation:

7 0

3 years ago

What’s 5/10 + 1/3 I really need help

kap26 [50]

5/10 + 1/3

15/30 + 10/30 = 25/30 = 5/6

Answer : 5/6 in its simplified form

7 0

3 years ago