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atroni [7]
3 years ago
12

Help ASAP no links, please. send linek= 1 report

Mathematics
2 answers:
GenaCL600 [577]3 years ago
8 0

Answer:

-0.8

Step-by-step explanation:

Anuta_ua [19.1K]3 years ago
6 0
The number point B is at is -0.8
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The sum of 4 times a number and -3 added to 9 times the number
Phoenix [80]

Answer:

The sum of 4 times a number and -3 added to 9 times the number is:

4x + (-3 + 9x)

Step-by-step explanation:

Determine what each of the words means

"the sum of" - you are going to be adding the following two numbers.

"4 times a number" - Let x be the number, so, 4x is the first number.

"and -3 added to" - again, it's going to be addition of this number and the following number.

"9 times the number" - let x be the number, so, 9x is the second number in the second addition.

Now that we know what it all means, put it together:

4x + (-3 + 9x)


I really hope this helps you =)

5 0
3 years ago
Erin earned 68 points on her last test. If there were 80 possible points, what was
Dmitrij [34]

Answer:

85 percent

Step-by-step explanation:

68 out of 80 = 68/80

= 0.85, times 100

= 85 percent  

7 0
3 years ago
the figure below is a square . Find the length of side x in simplest radical form with a rational denominator.
wel

Answer:

\sqrt{14}

Step-by-step explanation:

In any square with side length s, the diagonal of the square is equal to s\sqrt{2}. Since the side length of this square is \sqrt{7}, the diagonal is equal to \sqrt{7}\cdot \sqrt{2}=\boxed{\sqrt{14}}.

Alternatively, you can form two 45-45-90 triangles with the diagonal of the square. The diagonal acts as the hypotenuse for the both these triangles, and the legs of both triangles are equal to the side length of the square. To find the length of the diagonal, use the Pythagorean Theorem, which states a^2+b^2=c^2, where c is the hypotenuse of the triangle, and a and b are the two legs of the triangle.

In this question, both legs are equal to \sqrt{7}, and we're solving for the diagonal, which is the hypotenuse in this case:

\sqrt{7}^2+\sqrt{7}^2=c^2,\\c^2=14,\\c=\boxed{\sqrt{14}}

4 0
3 years ago
If Tayler can travel 180 miles in 3 hours, how many miles can she travel per hour?
Mamont248 [21]
60 miles an hr.. Because 180 divides by three is 60 and that is the answer per hr
3 0
3 years ago
Read 2 more answers
A triangle and a parallelogram both have areas of 20 cm2 and bases of 5 cm. How do their heights compare?
9966 [12]
The answer is d.

The parallelogram is 2 times the height of the triangle.
4 0
4 years ago
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