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Bas_tet [7]
3 years ago
13

How do you know the value of x?

Mathematics
1 answer:
lidiya [134]3 years ago
5 0
To find the value of X you would have to solve the equation.
Example: for question 2



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The equation y−5=-2(x−3) is in point-slope form. Which shows this equation in slope-intercept form?
dybincka [34]
The easiest way to do this is by graphing the equation. I'll do it:

We see that the y intercept is 11.

Formula for slope-intercept: y = mx + b

mx = slope

b = y-intercept


Now we have y = mx + 11. What's mx? We can find that out from the graph.

Let's find two points: (0,11) (4,3)

Using <span> (y2 - y1)/x2 - x1): We see that the slope is -2.

Now we finish the slope-intercept form and plug it all in:

y =  -2x + 11
</span>
8 0
3 years ago
Margaret has 16 yards of fabric and she is making dresses for z doll write the expression for the length of fabric used for each
emmasim [6.3K]
<h3>The expression for the length of fabric used for each doll is \frac{16}{z}\ yards</h3>

<em><u>Solution:</u></em>

Given that,

Margaret has 16 yards of fabric

she is making dresses for z doll

Therefore,

Total length of fabric = 16 yards

Number of dresses = z dolls

Therefore,

\text{ length of fabric used for each doll } = \frac{ \text{ Total length of fabric }} {\text{ z dolls }}\\\\\text{ length of fabric used for each doll } = \frac{16}{z}\ yards

Thus, the expression for the length of fabric used for each doll is \frac{16}{z}\ yards

7 0
4 years ago
Solve -5x2 - 20x + 35 = 30 by completing the square.
Semenov [28]

Answer:

x=−2−√5 or x=−2+√5

Step-by-step explanation:

-5x2 - 20x + 35 = 30

Answer = x=−2−√5 or x=−2+√5

5 0
3 years ago
PLEASEEE HELPPP MEEE WITH NUMBERSSSS 9 AND 10<br> QUESTION: Find the measure of each numbered angle
ryzh [129]
9:::: 1=180-123=57degree
2= 180-57-62=61 degree
6 0
4 years ago
Read 2 more answers
What percentage of the circle is shaded? *<br><br> 2%<br> 25%<br> 50%<br> 75%
Harlamova29_29 [7]

Answer:

50%

Step-by-step explanation:

There are 4 sections in the circle. 2 out of 4 of them are shaded. That is half. 50% is another way of representing half of something.

6 0
3 years ago
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