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3 years ago

Tell me 9 numbers that round to 50

Mathematics

2 answers:

tangare [24]3 years ago

7 0

45, 46, 47, 48, 49, 51, 52, 53, 54

jolli1 [7]3 years ago

3 0

46 47 48 49 50 51 52 53 54

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This semicircle has a diameter of 5 meters.

Ira Lisetskai [31]

Area of semicircle is given by:
$A_sc = \frac{1}{2} \pi r^2$

r is the radius, and we are given the diameter. Radius is half the diameter, so it's 2.5m. Let's plug that into the formula (using 3.14 as an estimation for pi):
$A_t = \frac{1}{2}(3.14)(2.5)^2 = 9.81m^2$

So, the area of this semicircle is 9.81m².

8 0

3 years ago

Solve the simultaneous equation 5x+3y=23 2x+4y=12

uranmaximum [27]

() = Fraction

Answer:

1. x= −(3 /5 y)+ (23 /5)

2. x=−2y+6

Step-by-step explanation:

Let's solve for x.

5x+3y=23

Step 1: Add -3y to both sides.

5x+3y+−3y=23+−3y

5x=−3y+23

Step 2: Divide both sides by 5.

5x /5 = −((3y+23) /5)

x= −(3 /5 y)+ (23 /5)

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

Let's solve for x.

2x+4y=12

Step 1: Add -4y to both sides.

2x+4y+−4y=12+−4y

2x=−4y+12

Step 2: Divide both sides by 2.

(2x /2 )= −((4y+12) /2)

x=−2y+6

Hope it helped!

5 0

3 years ago

Evaluate. 2³ ⁺ 4 · 2 ₋ 7 A. 1 B. 5 C. 9 D.36

jonny [76]

Answer:

2³ ⁺ 4 · 2 - 7 = 9

8 + 8 - 7 = 9

Step-by-step explanation:

4 0

4 years ago

Solve (x +1 < 4) n ( x - 8 > -7)?

Anna007 [38]

X<3 or X>1

move constant to the right side and change the sign

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3 years ago

Write the following in Scientific Notation. -18,500,000,000,000

agasfer [191]

Answer:

Its 1.85 x 10 to the 13th power

Step-by-step explanation:

7 0

3 years ago