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goblinko [34]
2 years ago
12

Question explains itself in the picture.

Mathematics
1 answer:
borishaifa [10]2 years ago
4 0

Answer:

30 cm

Step-by-step explanation:

<u>Area of a triangle formula:</u>

A = 0.5bh

<u>Given:</u>

b = 12

c = 5

<u>Work:</u>

A = 0.5bh

A = 0.5(12)(5)

A = 6(5)

A = 30

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8. A furniture store is going to have a Memorial Day sale, and everything will be 35% off.
stiks02 [169]

Answer:

$838.50

Step-by-step explanation:

10% of 1290 is 129 making 5% 64.5

35%= 129+129+129+64.5=451.5

1290-451.5=838.50

3 0
3 years ago
A circle has a diameter of 12 units, and its center lies on the x-axis. What could be the equation of the circle?
ycow [4]

Answer:

x^{2} +y^{2} =36

Step-by-step explanation:

A circle centered at (0,0) with radius r is x^{2} +y^{2} =r^{2}

Since your circle has diameter of 12, then its radius is 6.  Then r^{2} =36

So a possible answer is:  x^{2} +y^{2} =36

If you want to move the location of the center, but keep it on the x-axis, then add or subtract a number to the x, such as this:

(x+4)^{2} +y^{2} =36

The center of this circle would be (-4, 0) which is still on the x-axis.

8 0
3 years ago
Help please and sorry it’s not clear
aliina [53]

Answer:

C

Step-by-step explanation:

8 0
2 years ago
Solve - pv + 40 &lt; 65 for v<br> solve 7w - 3r = 15 for r
Katarina [22]

Answer:

v > -25/p

r = -5 +7/3 w

Step-by-step explanation:

- pv + 40 < 65

Subtract 40 from each side

- pv + 40-40 < 65-40

-pv < 25

Divide each side by -p  (remember to flip the inequality since we are dividing by a negative)

-pv/-p > 25/-p

v > -25/p


7w - 3r = 15

Subtract 7w from each side

7w-7w - 3r = 15-7w

-3r = 15-7w

Divide by -3

-3r/-3 = (15-7w)/-3

r = -5 +7/3 w

8 0
3 years ago
Find the equation of the line that contains the given point and is parallel to the given line. Write the equation in slope-inter
AlexFokin [52]

Answer:

Step-by-step explanation:

5 0
3 years ago
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