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AlekseyPX
3 years ago
11

What is the area of a trapezoid with bases of 18.8 cm and 21.2 cm and a height of 17.8 cm?

Mathematics
1 answer:
larisa [96]3 years ago
3 0

(18.8 + 21.2)17.8=712cm

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Translate the sentence into an equation.
coldgirl [10]

Hey there!

We want to multiply a certain quantity by 2, so we will put the two outside of parentheses and put our variable (x) minus two inside the parentheses to represent this. This will all equal two.

2(x-6)=2

The unknown number is also 7.

I hope that this helps!

7 0
3 years ago
I know it is a long question but please I will mark brainlist to the person who answers please help
Diano4ka-milaya [45]

Answer:

Carla lives 16 miles from the Library.

The mistake is drawng the diagram incorrectly and using the miles given in the wrong places. The <u>student's</u> diagram has Yuri in a place that's Southwest of the Library in the diagram given

Step-by-step explanation:

If Yuri lives 24 miles SOUTH of the library, the "b" side of the triangle should be 24, with the Library at the top and Yuri at the bottom left, which is the west end of the base. The base "a" of the triangle should extend 10 to the right (East in compas directions) forming the right angle. Carla lives at the sharp southeast corner of the triangle, and the Hypotenuse "c"  from her house to the Library is the distance we have to figure.

c² =a² + b²

c² = 10² + 24²

c² = 100 + 576

c² = 676

√c² = √676

c = 26       Carla lives 26 miles from the Library.

3 0
3 years ago
A scale on a blue print drawing of a house shows that 6 centimeters represents 3 meters. What number of centimeters on the blue
Tema [17]

Answer:

  54 cm

Step-by-step explanation:

Measures are proportional on a scale drawing:

  drawing measure : actual measure = 6 cm : 3 m = x : 27 m

The value on the right of the x ratio, 27, is 9 times 3, so the value of x will be 9 times 6 cm.

54 cm on the blueprint represents an actual distance of 27 meters.

5 0
3 years ago
Simplify: (–7x – 5x4 + 5) – (–9x4 – 5 – 9x). 4x4 + 2x + 2 + 10 –16x4 + 8x + 10 –16x4 – 8x 4x4 + 2x + 10
fenix001 [56]

Answer:

=−4.4x^8+3.6x^5−35x^4+5x+37

Step-by-step explanation:

please mark me brainliest!

5 0
3 years ago
PLEASE ANSWER ASAPPPPPP! What is the quotient of 6 and -1/2.
const2013 [10]

Answer:

-12

Step-by-step explanation:

6 ÷ -1/2

Copy dot flip

6 * -2/1

-12

3 0
3 years ago
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