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3 years ago

How many significant figures does the value 13.3 have?

1 answer:

5 0

3 sig. figs. because all three number have a value. only way for a number to not be considered insignificant is if it is a 0.

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I need help please and thank you

Margarita [4]

The sum of the angles of a triangle is 180°.

The angles you know are 28° and 36°, so you can do this to find ∠B:

∠A + ∠B + ∠C = 180°

or 28° + ∠B + 36° = 180° Add 28 and 36

64° + ∠B = 180° Subtract 64 on both sides

∠B = 116

3 0

3 years ago

Write an equation that represents a discount of 18% on a retail price of $55. Let p represent the new price.

trapecia [35]

$\boxed{\tt{55(55-0.18)=pA}}$

6 0

3 years ago

4,500 kilobytes in 6 minutes

jeka94

Hi there!

As I saw in some other questions, I assumed this question is about unit rates..

So, the answer to this is 750 kb/m

Hope this helps!

6 0

4 years ago

Plz i need help soon

lana66690 [7]

The answer is C. It has the wrong graph labels.

7 0

4 years ago

What equation is graphed in this figure? y+2=−32(x−2) y−3=32(x+1) y+1=−23(x−3) y−4=−23(x+2) Number graph that ranges from negati

dsp73

Answer:

$y+2=-\frac{3}{2}(x-2)$

Step-by-step explanation:

Given:

Two points on a line are given as:

(0, 1) and (2, -2)

We know that the slope of a line passing through points $(x_1,y_1)\ and\ (x_2,y_2)$ is given as:

$m=\frac{y_2-y_1}{x_2-x_1}$

Plug in $x_1=0,y_1=1,x_2=2,y_2=-2$ . This gives,

$m=\frac{-2-1}{2-0}\\\\m=\frac{-3}{2}=-\frac{3}{2}$

The equation of a line with slope 'm' and points $(x_1,y_1)\ and\ (x_2,y_2)$ is given as:

$y-y_1=m(x-x_1)\\\\or\\\\y-y_2=m(x-x_2)$

Now, on plugging in the second point $(x_2,y_2)=(2,-2)$ we get:

$y-(-2)=-\frac{3}{2}(x-2)\\\\y+2=-\frac{3}{2}(x-2)$

Therefore, the first option is correct which is given as:

$y+2=-\frac{3}{2}(x-2)$

6 0

4 years ago