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SVEN [57.7K]
3 years ago
8

How do I do this? Explain how you got the answer

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
5 0

Answer:

All i did was divide

Step-by-step explanation:

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Study the numerical expression (4 x 10) + 8. Which one of the following expressions is equivalent to this numerical expression?
Alexxx [7]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
I need help with this , 7x-3y+4x-5y+8x-6y​
valentinak56 [21]

Answer:

19x−14y

Steps:

7x-3y+4x-5y+8x-6y

=19x-3y-5y-6y

= 19x−14y

plz mark as brainliest

6 0
3 years ago
Read 2 more answers
Jamie has a sprinkler than covers a circular area with diameter 16 feet. What is the area of lawn that the
SSSSS [86.1K]

Answer:

64π or 201.0619298297

Step-by-step explanation:

Area of a circle: πr²

To find r, the radius of the circle, take the diameter (16) and halve it to get 8. You can now place 8 into the equation to get π8². Square 8 to get 64. You now now have π64, or 201.0619298297.

5 0
3 years ago
Three different rectangles have an area of 20. What are the possible whole-number dimensions of the rectangles?
Firlakuza [10]
L = 20 W = 1
L = 10 W = 2
L = 5 W = 4

Study this carefully. It's a good problem to know how to do. The ancients solved problems by using this method. They started with biggest number they could on the left and multiply each number on the right as they went down (in this case by 2).
4 0
4 years ago
Help please triangles and trig
Oksanka [162]

Answer:

\sin L = \frac{3}{5}

\tan N = \frac{4}{3}

\cos L = \frac{4}{5}

\sin N = \frac{4}{5}

Step-by-step explanation:

Given

The above triangle

First, we calculate the length LM using Pythagoras theorem.

LN^2 = LM^2 + MN^2

10^2 = LM^2 + 6^2

100 = LM^2 + 36

Collect like terms

LM^2 = 100 - 36

LM^2 = 64

Take positive square root

LM=8

Solving (a): Sin L

\sin L = \frac{Opposite}{Hypotenuse}

\sin L = \frac{MN}{LN}

\sin L = \frac{6}{10}

Simplify

\sin L = \frac{3}{5}

Solving (b): tan N

\tan N = \frac{Opposite}{Adjacent}

\tan N = \frac{LM}{MN}

\tan N = \frac{8}{6}

Simplify

\tan N = \frac{4}{3}

Solving (c): cos L

This calculated as:

\cos L = \frac{Adjacent}{Hypotenuse}

\cos L = \frac{LM}{LN}

\cos L = \frac{8}{10}

Simplify

\cos L = \frac{4}{5}

Solving (d): sin N

This is calculated using:

If a + b = 90

Then: \sin a = \cos b

So:

\sin N = \cos L

\sin N = \frac{4}{5}

8 0
3 years ago
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