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DENIUS [597]
3 years ago
12

Write the missing number 98,46

Mathematics
1 answer:
neonofarm [45]3 years ago
5 0
The missing number is 28
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Can someone plzz help me with these 2 questions. thanks!
Deffense [45]

9514 1404 393

Answer:

  4. height: 5√3 cm; area: 25√3 cm²

  5. 30√2 ft ≈ 42.43 ft

Step-by-step explanation:

4. The height of an equilateral triangle is (√3)/2 times the side length, so is ...

  height = (√3)/2 × (10 cm) = 5√3 cm

The area is given by the formula ...

  A = 1/2bh

  A = 1/2(10 cm)(5√3 cm) = 25√3 cm²

__

5. The diagonal of a square is √2 times the side length, so the distance from 3rd to 1st base is ...

  (30 ft)√2 ≈ 42.43 ft

__

The length of the diagonal of a square is something you should be familiar with. If you're not, you can figure the distance using the Pythagorean theorem.

  d = √(30² +30²) = √1800 ≈ 42.43 . . . feet

6 0
2 years ago
<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%28x%20-%20%20%5Cfrac%7B2%7D%7B9%7D%20%29%28x%20%2B%20%20%5Cfrac%7B1%7D%7B2%7
Aleonysh [2.5K]
f(x) = (x -  \dfrac{2}{9} )(x +  \dfrac{1}{2} )

\text {When } f(x) = 0 :

(x -  \dfrac{2}{9} )(x +  \dfrac{1}{2} ) = 0

(x -  \dfrac{2}{9} ) = 0  \text { or }  (x +  \dfrac{1}{2} ) = 0

x =  \dfrac{2}{9}  \text { or } x =  -\dfrac{1}{2}

3 0
3 years ago
What is the volume of the prism below?
Darina [25.2K]

Answer:

5.12 x 4 x 4.11

=84.17

= \frac{84.17}{2}  \\  = 42.09

6 0
2 years ago
The equation of a circle is given below. Identify the center and the radius.
gregori [183]

Answer:

Step-by-step explanation:

7 0
2 years ago
Find two numbers when multiplied<br> equal -49 and when added equal o
kherson [118]

Answer:

7, -7

Step-by-step explanation:

7(-7) = 49

7 - 7 = 0

6 0
3 years ago
Read 2 more answers
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