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BARSIC [14]
3 years ago
12

Find the sum of -75 and 105​

Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0

Answer:

Sum is 30

Explanation:

Alex777 [14]3 years ago
3 0

Answer:

30

Step-by-step explanation:

-75+105= 30

(hope this helps can I pls have brainlist (crown) ☺️)

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12-39<9 AND -4x+3<-6
Elenna [48]

Answer:

Hi how are you doing today Jasmine

6 0
3 years ago
Keisha has a straightedge and a compass, but noprotractor. What kind of angle can Keisha draw exactly with only these tools?
sukhopar [10]
<span>Straight (it's a straight line!), full rotation (a circle), but nothing else since you can't measure the exact angle of it</span>
5 0
3 years ago
X
galina1969 [7]

Answer:

2 angles that meet at an endpoint

8 0
3 years ago
PLEASE HELP. I need DE AND EF!!!
AlekseyPX

Answer:

DE = about 41.843 (rounded to nearest thousandth)

EF= 34.276 (rounded)

Step-by-step explanation:

For DE, we know that the shorter side (the opposite side) is 24, while the angle across form it is 35°.  We can use trigonometry to figure this out.  SinФ equals the opposite side (in this case, 24) divided by the hypotenuse.  Set sinФ equal to a ratio of the sides like this:

sin(35) = \frac{24}{x}

x represents the hypotenuse length, which we don't know; 35 is the angle measure.  Next, isolate x so that the equation looks like this:

\frac{24}{sin(35)} = x

You will need a calculator for the next part.  (and make sure you're in degree mode!).  evaluate sin(35) and divide 24 by that value.  That is DE's length.  DE = about 41.843 (rounded to nearest thousandth)

For EF, we can just use Pythagorean theorem now that we know the other sides' values.

EF^2 + 24^2 = DE^2

*a calculator might also be useful for this part.

EF= 34.276 (rounded)

8 0
2 years ago
What is the solution of the following system of equations ? y- 2x and= 6 , y - 4x =0
Sveta_85 [38]

Answer:

x=3 and y=12

Step-by-step explanation:

y-2x=6     equation:1

y-4x=0     equation:2

Solving equation:1 for 'y' in terms of x

y=6+2x      equation:3

Putting 'y' in equation:2 which will make the equation of the single variable

y-4x=0

6+2x-4x=0\\-2x=-6\\x=3

Putting value of 'x' in equation:3 to find 'y'

y=6+2x

y=6+2(3)\\y=6+6\\y=12

6 0
3 years ago
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