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svet-max [94.6K]

3 years ago

11

Which expression means 7 more than a number?

1 answer:

olga2289 [7]3 years ago

4 0

Seven more than a number would be B. d + 7

whenever you hear a seven (or any other number) MORE THAN, think of adding that number!

Hope this helps :)

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Levart [38]

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3 years ago

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Find the zeros of the function g(x) = 2x2 - 5x + 2.

sertanlavr [38]

G(x) = 2x² - 5x + 2 = 2x² - 4x - x + 2 = 2x · x - 2x · 2 - 1 · x - 1 · (-2)

= 2x(x - 2) -1(x - 2) = (x - 2)(2x - 1)

g(x) = 0 ⇔ (x - 2)(2x - 1) = 0 ⇔ x - 2 = 0 or 2x - 1 = 0

x = 2 or x = 0.5

8 0

3 years ago

A central angle theta in a circle of radius 7 m is subtended by an arc of length 8 m. Find the measure of theta in degrees. (Rou

gogolik [260]

Answer: In degrees , The measure of $\theta=65.5^{\circ}$

In radians , the measure of $\theta =\dfrac{8}{7}\text{ radians}$ .

Step-by-step explanation:

We know that the formula for length of arc is given by :-

$l=\theta r$

, where $\theta$ = Central angle subtended by arc.

r= radius of the circle.

As per given , we have

Radius of circle : r=7 m

Length of arc : l= 8 m

Substitute these values in the above formula , we get

$8=\theta (7)\\\\\Rightarrow\ \theta =\dfrac{8}{7}\text{ radians}$

Hence, the measure of $\theta =\dfrac{8}{7}\text{ radians}$ .

To convert it into degrees we multiply it with $\dfrac{180^{\circ}}{\pi}$

The measure of $\theta =\dfrac{8}{7}\times\dfrac{180^{\circ}}{\pi}$

$=(\dfrac{8\times180}{7\times3.14})^{\circ}=65.5141037307^{\circ}$

$\approx65.5^{\circ}$

Hence, the measure of $\theta=65.5^{\circ}$

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3 years ago

That or they on average Shantae drinks a 1/2 of a 6 oz glass of water and 2/3 of an hour how much water does she drink an hour

nikklg [1K]

Answer:

7oz of water

Step-by-step explanation:

6(1/2)= 3; 6(2/3)= 4; 3+4=7

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3 years ago

Help. I've been staring at this math question for hours. I can't figure it out.

kogti [31]

All the numbers are tilted at a 90 degree angle, except for the number 4 which it tilted at an angle of 89 degrees, hoped this helps

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2 years ago