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Leno4ka [110]
3 years ago
7

Help me do this please

Mathematics
1 answer:
Rom4ik [11]3 years ago
4 0
Use the distributive property.
(3/8)*(16x-24)=(3/8)(16x)-(3/8)(24)
16x*3/8=48x/8=6x
24*3/8=72/8=9
6x+9

Hope this helps!
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Find the value of x.
iogann1982 [59]

Answer:

4.4

Step-by-step explanation:

x is hypotenuse of the right triangle.

One leg is 2.4 in.

Second leg = 7.4/2 = 3.7 in.

Using Pythagorean theorem

Hypotenuse²= (first leg)² + (second leg)²

x² = 2.4² + 3.7² = 19.45 in²

x=√19.45 ≈ 4.4 in

5 0
3 years ago
What is the value of x?
Juli2301 [7.4K]

Answer:

x = 3 sqrt 2

Step-by-step explanation:

We know that this is a 45, 45m 90 special right triangle. In this special right triangle the side lengths are x, x and the hypotenuse is x sqrt 2 (we can prove this using pythagoreans theorem). 6 is the hypotenuse, meaning that it is equal to x sqrt 2:

6 = x sqrt 2

x = 6/sqrt 2

Rationalize the denominator:

x = (6 sqrt 2)/2

x = 3 sqrt 2

3 0
2 years ago
Please help me I don’t understand this
sladkih [1.3K]

Answer :

67.5 degrees

Let the measure of two equal angles of the triangles is x.

Thus, the angles of the triangles are x, x and 45 degrees.

The sum of the measures of the angles of all triangles is 180 degrees.

Hence, the equation is

x + x + 45 = 180

Solve the equation for x

2x + 45 = 180

2x = 180 - 45

2x = 135

x = 67.5

Therefore, measure of other two angles are 67.5 degrees.

8 0
3 years ago
4. Determine the following difference. (2x² + 3x - 10) - (x² - x + 111)  please explain
SIZIF [17.4K]
Hi there! The answer is A.

(2x² + 3x - 10) - (x² - x + 111) 
Let's solve this problem step by step!

First work out the parenthesis. Because we multiply by negative 1, we mustn't forget to change the symbols in front of the factors.
2x² + 3x - 10 - x² + x - 111

Now rearrange our expression, in order to collect the terms later.
2x² - x² + x + 3x - 10 - 111

And finally collect the terms.
x² + 4x -121

The answer is A.
~ Hope this helps you!
8 0
3 years ago
Read 2 more answers
13.62<br><br> Round to the<br> nearest whole<br> number.
Ivenika [448]

Answer:

14

Step-by-step explanation:

when rounding you round up when the number is 5+ but if it's anything below 5 you go down instead, making this answer being 14

7 0
2 years ago
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