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3 years ago

(04.04)

Mathematics

2 answers:

GREYUIT [131]3 years ago

8 0

Answer:

1.3

Step-by-step explanation:

Nastasia [14]3 years ago

3 0

*Hint: In order to find the distance between the two points the formula would be √((x2 - x1)^2 + (y2 - y1)^2)

Now that we know the formula, all we do is plug in the numbers.

√((2 - 2)^2 + (2.5 - 1.2)^2)
√ 0 + (1.3)^2
√1.69
1.3

The distance between the two points is 1.3.

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You earn a score of 86.8 on a standardized exam. Your score is 140% higher than your friend's score on the standardized exam. Wh

Kobotan [32]

Answer:

Your friend scored 62

Step-by-step explanation:

Let your friend's score = x

140/100 * x = 86.8 Starting statement

1.4x = 86.8 % has been changed to a decimal

1.4x = 86.8/1.4 Divide by 1.4

x = 86.8/1.4

x = 62 Answer

8 0

3 years ago

13. Solve the following equation and simplify, if possible: 7/8 + 5/12

Sphinxa [80]

7/8+5/12 is 12/20 GCF of 4 and it simplifies to 3/5

4 0

3 years ago

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olga nikolaevna [1]

Answer:

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2 years ago

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8 + 8r = 3 + 3r can anyone can help me out

MAVERICK [17]

Answer:r = -1

Step-by-step explanation:

8+8r-(3+3r)=0

We add all the numbers together, and all the variables

8r-(3r+3)+8=0

We get rid of parentheses

8r-3r-3+8=0

We add all the numbers together, and all the variables

5r+5=0

We move all terms containing r to the left, all other terms to the right

5r=-5

r=-5/5

r=-1

Hope this helps

6 0

3 years ago

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Establish the identity.<br> (2 cos 0-6 sin 0)² + (6 cos 0+2 sin 0)2 = 40

kogti [31]

Rewriting the left-hand side as follows,

$(2\cos\theta-6\sin \theta)^2 +(6\cos \theta+2\sin \theta)^2\\\\=4\cos^2 \theta-24\cos \theta \sin \theta+36 \sin^2 \theta+36 \cos^2 \theta+24 \cos \theta \sin \theta+4 \sin^2 \theta\\\\=40\cos^2 \theta+40 \sin^2 \theta\\\\=40(\cos^2 \theta+\sin^2 \theta)\\\\=40$

8 0

2 years ago