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gavmur [86]
3 years ago
11

What uses numbers, variables and operations symbol?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0
Sounds like "formulas"!  y = ax^2 + bx + c   involves the variable x and the constants {a, b, c}.  The "2" indicates "squaring function."
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E
Allushta [10]

Answer:

Step-by-step explanation:

We can use Hypotenuse Theorem for this:

For triangle ABC,

AC²=CB²+BA²

9²=CB²+3²

Switch the sides

-CB²=3² -9²

-CB²= 9-81

-CB²= -72

the signs cut each other

CB²=72

the square changes sides

CB=√72

CB= 8.49 cm

Now triangle CBD

We have the length of CB but not the other two whereas we have the angle

It will be sin

As we know sin= O/H

Here O is CB whereas H is CD

Put the values

sin 50= 8.49/H

H= 8.49 ÷sin 50

Calculate

H=11.1 cm

As we know H is CD so CD is 11.1 cm

Hope it helps

8 0
2 years ago
For which inequality is x = 5 a solution?<br>A x&lt;2<br>B. x&gt;9 <br>C x&lt;18 <br>D. x&gt; 42​
marishachu [46]

Answer:

c

Step-by-step explanation:

because 5 is smaller then 18

7 0
3 years ago
What is the equation of the line that passes through the point (-2, 1) and has a<br> slope of – ?
KengaRu [80]

Accurate Explanation: Aloha! Basically, as I can see here, you're missing a slope. But you need at least 1 point and a slope in order to write an equation. Hope it helps.

5 0
3 years ago
A rectangular garden has an area of 46 1/2 square feet. If the garden is 7 1/2 feet long, how many feet wide is it?
Ierofanga [76]

Answer:

The answer is 6 1/5 feet in width.

Step-by-step explanation:

Since the formula for area is <em>wl</em> or <em>width </em>x <em>length</em>, we can utilize our reversive property to find our width by dividing the Area we are given by our length, giving us the missing width in return. Dividing 46.5 square feet by 7.5 feet gives us 6.2 feet, or 6 1/5 feet.

Hope this helps!

5 0
2 years ago
How many equal sections divide a directed line segment if it is to be partitioned with a 7:10 ratio?
Dafna11 [192]
The midpoint formula is x1+x2 over 2 and y1+y2 over 2. When you use it to find the midpoint of (0,-8) and (-4,10), you get (-2,1).

Slope formula is y2-y1 over x2-x1, which will give you -6.

6 0
3 years ago
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