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VARVARA [1.3K]
3 years ago
5

X2-3x-10=0 jdhdhshsgddhsvsgdhdvs

Mathematics
1 answer:
Aneli [31]3 years ago
6 0

Answer:

C) (2,-5)

Step-by-step explanation:

You might be interested in
A sailboat's Saul has three sides that are all the same length. Each side measures x - 10 units. The sail's perimeter is 63 unit
ruslelena [56]

Answer:

The value of 'x' is 31 unit

Step-by-step explanation:

Given:

Measure of each side = x-10\ units

Perimeter of sails  = 63 units.

We need to find the value of x.

Solution:

Now we can see that from given data.

A sailboat's Saul has three sides.

Now assuming it to be triangle we get;

"Perimeter of triangle is equal to sum of all side."

So we can say that;

x-10+x-10+x-10 =63\\\\3x-30=63

Now adding both side by 30 we get;

3x-30+30=63+30\\\\3x=93

Now dividing both side by 3 we get;

\frac{3x}{3}=\frac{93}{3}\\\\x=31 \ units

Hence the value of 'x' is 31 units.

6 0
3 years ago
(5x10,000) +(2x100) +(9x1) +(3x1/1000)​
zubka84 [21]
Scientific notation:
5.0209003 x 10^4
7 0
3 years ago
9, 2.5, –4, –10.5, –17, .
Vedmedyk [2.9K]
What do you mean? If you want it in order than you can say it. -17, -10.5, -4, 2.5, 9
7 0
3 years ago
Can someone explain how to do this and add the formula please
lisabon 2012 [21]

Answer:

5 is 35 and 6 is 50

Step-by-step explanation:

To solve 5, you need to know how many degrees is the line, which is 180 because lines are 180 degrees. You then subtract 110 from 180 which equals to 70. What you have left now is 2k. A number times 2 will equal to 70, so k=35.

For 6, if you ever see two lines intersecting each other, it means that it is 360 degrees. We already have one angle, which is 120. The other angle is d+70 degrees, and any angle that is reflecting the other angle will have the same value. So, d equals 50

(sorry if you still can't understand it I'm not good at English

6 0
2 years ago
The expressions that have a value of 180 when b = 4.
klasskru [66]

Answer:

1.  87b−179+957÷87

2. 51b−24

Step-by-step explanation:

6 0
2 years ago
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