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Sever21 [200]
2 years ago
6

Can someone help me please

Mathematics
1 answer:
ioda2 years ago
8 0

Answer:

this is easy its C . BC is the shortest side

Step-by-step explanation:

brainliest please :)

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(¬‿¬) Find the number of real number solutions for the equation. x^2+9x+20=0
mart [117]

To find the nature of solutions of a quadratic equation we can find the discriminant.

The standard form of a quadratic equation is ax² + bx + c = 0.

Formula to find the discriminant = b² - 4ac.

So, first step is to compare the given equation with the above equation to get the value of a, b, and c.

After comparing the two equations we will get a =1, b = 9 and c = 20.

Next step is to plug in these value in the formula of discriminant. So,

Discriminant = 9² - 4(1)(20)

= 81 - 80

= 1

Since 1 is a positive perfect square number.

So, we will get two real solutions for this equation.

Hence, the correct choice is C.

Hope this helps you.

8 0
3 years ago
Evaluate the following: 4^2 ÷ (3 + 1).
snow_lady [41]
4^2 ÷ (3 + 1)
= (4×4) ÷ (4)
= 4×(4÷4)
= 4×1
= 4
7 0
3 years ago
If F= 1.8C + 32, Solve for C if F = 65​
FromTheMoon [43]

Answer:

1.8333

Step-by-step explanation:

F = 1.8C +32

C = (F - 32) ÷ 1.8

= (65-32) ÷ 1.8

=1.833

Just throw all the other things to the right, so that only C is on the left

6 0
2 years ago
Read 2 more answers
Melissa is helping her dad build a walkway in their backyard. The walkway will be 54 feet long and 1.5 by 1.5 feet wide. The loc
arlik [135]

54 dived by 1.5 is 36.

36 dived by 12 is 3.

You need 3 boxes.

6 0
3 years ago
The diagonals of a rhombus are 21 m and 32 m. What is the area of the rhombus?<br> 30 POINTS
Wittaler [7]
I have included attachment below

so since a rhombus is 2 pairs of paralell sides, we can cut it into 4 triangles
we can see that we can take the bottom 2 triangles and put them on top to get a rectangle that is width 21 and height 32/2 (16=height
area of rectangle=legnth times width=16 times 21=336 m^2

answer is 336 m^2

5 0
2 years ago
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