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Doss [256]
3 years ago
10

1.819÷1.2 round your answer to the nearest tenth

Mathematics
1 answer:
Bezzdna [24]3 years ago
7 0
Answer to the nearest tenth would be

1.52
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Plz help, in the figure to find the length RU if applicable, round your answer to the nearest whole number.
n200080 [17]

Step-by-step explanation:

it is not clear, if RT = 20 or UT = 20.

both are possible scenarios.

I assume that RT = 20 (otherwise the sub-triangle RSU is not sufficiently defined, as R could be moved outward to the left it further inward to the right, and the rest of the triangle is unchanged).

for any triangle with sides a, b, c and semiperimeter

s = (a + b + c) / 2, the height to side a is

ha = 2×sqrt(s(s-a)(s-b)(s-c))/a

in our case here

s = (20+25+17)/2 = 62/2 = 31

hRT = SU = 2×sqrt(31×(31-20)(31-25)(31-17))/20 =

= sqrt(31×11×6×14)/10 = sqrt(28,644.)/10 =

= 16.9245384...

RU² = 17² -SU² = 289 - 286.44 = 2.56

RU = 1.6 ≈ 2

6 0
3 years ago
Read 2 more answers
Which of the following is an equation of the line through (2,3) and (-1, -12)?
SSSSS [86.1K]

Answer:

C (y=5x-7)

Step-by-step explanation:

First, you find the slope between the 2 points which is 5, then you use one of the points to form an equation.  

You then find it's y=5x-7.

8 0
3 years ago
Please help will reward brainly
soldier1979 [14.2K]
I think the answer would be 1. 
7 0
3 years ago
Help 8th grade math need answers quick
stepladder [879]

Answer:

A few examples:

0. 0

1. Undefined

2. -3/5

3. Undefined

...

7. 493

8. 5/2

....

Learn how to find the slope below for the other problems.

Step-by-step explanation:

Slope is the rate of change for a linear function. It is found by subtracting the y values of two point on the line and dividing that difference by the difference of the x values of the points.

It can also be found using the formula y=mx+b known as the slope intercept form.

Here are a few examples:

0. This is a horizontal line which always has slope 0.

1. This is a vertical line which always has slope undefined.

2. Find two points that cross through a grid line intersection The line appears to cross them at (5,3) and (0,6). Count the unit squares between the two by counting up 3 and over to the left 5. Because it is left it is negative. The slope is -3/5

3. To find the slope, use the slope formula:

\frac{y_2-y_1}{x_2-x_1}=\frac{6--4}{-2--2}=\frac{6+4}{-2+2}=\frac{10}{0}=undefined

Since we can't divide by 0, it is undefined.

7. y=493x-257 follows the formula y=mx+b where m is the slope. m=493. The slope is 493.

8. Covert the equation into y=mx+b by rearranging the terms using y=mx+b.

5x-2y=48

-2y=48-5x

y=5/2 x -24

So the slope is 5/2.

8 0
4 years ago
What's the measure of Z1 if Z CBD = 75° and ZABC = 135°?
Paladinen [302]

Answer:

60°

Step-by-step explanation:

∠ABC-∠CBD=∠1

135-75

=60

4 0
3 years ago
Read 2 more answers
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