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Viktor [21]
2 years ago
11

If the base is 8 in. and the height is 7 in. What is the area?

Mathematics
2 answers:
kap26 [50]2 years ago
8 0

Answer:

The formula of area is Pi×R×R

and then you add all sides and answer of your question is 30cm

blagie [28]2 years ago
5 0

Answer:

a = 28

Step-by-step explanation: First you would have to multiply 7 x 8 which equals =56. Then you would have to divide 56 by 2 which is =28 and that would be your area if you are solving for a triangle.

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4 algebra 1 questions if you know the answers please try to get me to understand
asambeis [7]

Distribute each term in one parenthesis to the other terms in the other parenthesis.

(x - 2) (2x + 3)

First, distribute x. When distributing, multiply

x(2x) = 2x²

x(3) = 3x

Next, distribute the other term, -2. Remember to change the signs.

-2(2x) = -4x

-2(3) = -6

-------------------------------------------------------------------------------------------------------------------

2x² + 3x - 4x - 6

Combine like terms

3x - 4x = -x

2x² - x - 6

-------------------------------------------------------------------------------------------------------------------

2x² - x - 6 is your answer

hope this helps

3 0
2 years ago
Read 2 more answers
The bill for five hamburgers and four salads is $9.50. The bill for four hamburgers and five salads is $10.30. What would be the
Sunny_sXe [5.5K]

Answer: the bill for a hamburger is $0.7

the bill for a salad is $1.5

Step-by-step explanation:

Let x represent the bill for a hamburger.

Let y represent the bill for a salad.

The bill for five hamburgers and four salads is $9.50. This means that

5x + 4y = 9.5- - - - - - - - - - - - - - 1

The bill for four hamburgers and five salads is $10.30. This means that

4x + 5y = 10.3 - - - - - - - - - - - - - -2

Multiplying equation 1 by 4 and equation 2 by 5, it becomes

20x + 16y = 38

20x + 25y = 51.5

Subtracting, it becomes

- 9y = - 13.5

y = - 13.5/ - 9

y = 1.5

Substituting y = 1.5 into equation 1, it becomes

5x + 4(1.5) = 9.5

5x + 6 = 9.5

5x = 9.5 - 6 = 3.5

x = 3.5/5 = 0.7

7 0
3 years ago
If the diagonals of a quadrilateral bisect the angles, is the quadrilateral always a parallelogram? Explain your answer.
Liula [17]
Yes. If the diagonals bisect the angles, the quadrilateral is always a parallelogram, specifically, a rhombus.


Consider quadrilateral ABCD. If diagonal AC bisects angles A and C, then ΔACB is congruent to ΔACD (ASA). Hence AB=AD and BC=CD (CPCTC).

Likewise, if diagonal BD bisects angles B and D, triangles BDA and BDC are congruent, thus AB=BC and AD=CD. (CPCTC again). Now, we have AB=BC=CD=AD, so the figure is a rhombus, hence a parallelogram.
6 0
2 years ago
Graph the inequality on the axes below.<br> 3x +y &gt; -7
irina1246 [14]

Step-by-step explanation:

use desmos it's a graphing calculator just put in the equation

4 0
3 years ago
Please help me on this, I can't understand this at all!
vladimir1956 [14]

Answer:

a) -0.5 • 1.7 - 0.5 • 1.7

Step-by-step explanation:

I knew this answer. It is in distributive property.

5 0
2 years ago
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