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photoshop1234 [79]
3 years ago
10

Calculate the area of a rectangle with an altitude of 30cm and a diagnol of 50cm

Mathematics
1 answer:
romanna [79]3 years ago
7 0

Answer:

2000cm²

Step-by-step explanation:

find the other side using pythagorean theorem

50²=30²+x²

x=40

Area = 40 * 50 = 2000cm²

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If<br> 4²+3²/4²−3² =7/4<br> , find the value of<br> 24−11⁴/24+11⁴
svetoff [14.1K]

Solve using PEMDAS for the numerator and denominator.

24-11^4/24+11^4

24-14641/24+14641

-14617/14665

Best of Luck!

4 0
3 years ago
Someone help find surface area of a right rectangular prism
Bond [772]

Answer:

51 square units

Step-by-step explanation:

First you act like each side is it’s separate rectangle.

Then you would multiply 2 and 4 to get 8, the area of one of the sides. Then you would multiply 2 and 2.5 to get 5, the area of another side. Then 2.5 times 5 to get 12.5, the last side. Now sense every side has a side the same size of itself you would take each answer and multiply it by to to get 8x2=16, 5x2=10, and 12.5x2= 25. You would add together 16, 10, and 25 to get 51 square units, the surface area.

3 0
3 years ago
Pick the numerical expression for: 2 minus b<br> A.2 - b<br> B.b-2<br> C. 2 X b<br> D.b : 2
Ivanshal [37]
I think the answer would be A
3 0
3 years ago
Which equation represents the hyperbola in general form?
valina [46]

ANSWER

D.

9 {y}^{2}  - 4 {x}^{2}- 36y + 16x - 16 = 0

EXPLANATION

The standard equation of the hyperbola is

\frac{ {(y - 2)}^{2} }{4}  -  \frac{ {(x - 2)}^{2} }{9}  = 1

We multiply through by 36 to obtain:

9 {(y - 2)}^{2}  - 4( {x - 2)}^{2}  = 36

We now expand to get,

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

Expand :

9 {y}^{2}  - 36y + 36  - 4 {x}^{2}  + 16x - 16 = 36

To get the general form, we equate everything to zero to get,

9 {y}^{2}  - 4 {x}^{2}- 36y + 16x - 16 = 0

The correct choice is D.

7 0
3 years ago
The heights of the pine trees in a certain forest are normally distributed, with a mean of 86 feet and a standard deviation of 8
Irina-Kira [14]

Answer: 0.95994

Step-by-step explanation:

3 0
3 years ago
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