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Nutka1998 [239]
3 years ago
8

Write 3x – 1 + 5x + 7 in simplest form.

Mathematics
1 answer:
ki77a [65]3 years ago
5 0

Answer:

8x-6

Step-by-step explanation:

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A person walked 50 ft. to cross
mariarad [96]

Answer:

B) 40 ft

Step-by-step explanation:

Use the picture for a reference.

1. We can see the diagonal forms a triangle. Since the angles of a rectangle are right, we can use the Pythagorean Theorem to solve for x.

2. The Pythagorean Theorem

a^2 (a squared) + b^2 (b squared) = c^2 (c squared)

a = 30 ft (width)

b = x ft (unknown length)

c = 50 ft (diagonal)

3. Substitute in the values:

    30^2 + x^2 = 50^2

    900 + x^2 = 2500

    x^2 = 1600

    x = 40

The length of the field is 40 ft.

6 0
3 years ago
URGENT!!!!! 25 POINTS!! Find the perimeter of the triangle with coordinates A(2,7), B(10,5), and C(10,1) Round to the nearest te
nikdorinn [45]

Answer:

Step-by-step explanation:

Hello!

First, calm down. Now, think. Plot those points on a coordinate graph! I don't have coordinate graph at hand right now, but if you plot them, you should get the answer. Remember, if there are diagonal lines, then use the pythagorean theorem!

7 0
3 years ago
What is the image of the point (-2,7) after a rotation of 180° counterclockwise
erastovalidia [21]
The answer to the question is that question i was the first one in eyesight
6 0
3 years ago
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Jasper’s new copier can produce a copy every 0.57 seconds. Jasper calculates that it will take 6.57 seconds to produce 6 copies.
ICE Princess25 [194]

It takes 0.57 seconds per copy and he made 6 copies.

6 + 0.57 = 6.57

He added 6 and 0.57 instead of multiplying.

8 0
3 years ago
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Find the area of the shape shown below.
bija089 [108]

Answer:

i think its 4,800

Step-by-step explanation:

multiply all the sides

5 0
3 years ago
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