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4 years ago

1/2 and 0.8 which is bigger

2 answers:

8 0

Alright, when you make 1/2 into a fraction (by dividing 1 by 2), you get 0.5. Now, look at these two numbers (0.5 and 0.8) and choose the one that is closer to the whole number 1. The answer is 0.8 (because only 0.2 needs to be added to 0.8 to make it 1).

olga_2 [115]4 years ago

7 0

.8 is bigger than a half. Because 1/2 =. 5

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Which symbol creates a true sentence when x equals 3? 52 + (x – 2)2 __ 25

e-lub [12.9K]

Answer:

Step-by-step explanation:

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3 years ago

An arithmetic sequence has this recursive formula:

horsena [70]

Answer:

$\text{\bf{C.}}\quad a_n=4+(n-1)(-7)$

Step-by-step explanation:

An arithmetic sequence that is described by the explicit formula ...

$a_n=a_1+(n-1)d$

can also be described by the recursive formula ...

$\left \{\begin{array}{l}a_1=\text{(first term)}&a_n=a_{n-1}+d&\end{array}\right.$

Matching parts of the formulas, we see that a1 = 4, d = -7. Putting these values into the explicit formula gives ...

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3 years ago

If P = (-3,5), find the image

Serjik [45]

Answer:

the image of P is (-5,-3)

Step-by-step explanation:

formula for 90° counterclockwise is (-y,x)

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4 0

3 years ago

Read 2 more answers

Please Help!!!

algol [13]

$f\left(\dfrac\beta2\right)=\sin\dfrac\beta2$

Recall the half-angle identity:

$\sin^2\dfrac\beta2=\dfrac{1-\cos\beta}2\implies\sin\dfrac\beta2=\pm\sqrt{\dfrac{1-\cos\beta}2}$

So in order to find $f\left(\dfrac\beta2\right)$ , we only need to know the value of $\cos\beta$ . But there are two possible values. To decide which to take, we use the given information: we know that $\beta$ lies in quadrant III, which means $\pi$ , so $\dfrac\pi2$ , which places $\dfrac\beta2$ in quadrant II. In this quadrant, the sine of angle is positive, and so

$\sin\dfrac\beta2=\sqrt{\dfrac{1-\cos\beta}2}$

$\beta$ is an angle of a ray whose terminal point, $\left(-\dfrac13,y\right)$ lies on the circle $x^2+y^2=1$ . The $x$ -coordinate is all we need to know in order to find that $\cos\beta=-\dfrac13$ . So,

$\sin\dfrac\beta2=\sqrt{\dfrac{1-\left(-\frac13\right)}2}=\sqrt{\dfrac46}=\dfrac{\sqrt2}{\sqrt3}=\dfrac{\sqrt6}3$

6 0

3 years ago

A cake recipe requires 3 1/4 cups of flour for 13 servings and 4 1/2 cups of flour for 18 servings. How much flour is required t

OLga [1]

All you have to do is figure out how much flour goes into one cake and multiply it by 28. If you would like me to show you message me.

8 0

3 years ago