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Viefleur [7K]
3 years ago
10

1. Simplify. 42 (square, so it's 4 x 4)+ 25

Mathematics
1 answer:
romanna [79]3 years ago
7 0
1 a  2 54 3 d 4 c 5 500
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Consider the diagram. What is the value of x
sammy [17]

Answer:

x = 6

Step-by-step explanation:

8x + 7x = 90

15x = 90

15x/15 = 90/15

x = 6

4 0
3 years ago
ANSWER FAST!!!!!!!
Lemur [1.5K]

Answer:

The angle between the 190 ft. side and the 330 ft. side is 57.9^o

Step-by-step explanation:

<u>The Law of Cosines</u>

When we know the value of all sides of a triangle, we can compute all of its interior angles by using the Law of Cosines, which is a generalization of the Pythagoras's theorem. If a,b, and c are the known sides of a triangle and \alpha is the angle formed by sides a and b (opposite to c), then

\displaystyle c^2=a^2+b^2-2ab\ cos\alpha

We'll use the values a=190, b=330, c=280 because we want to compute the angle opposite to c

\displaystyle cos\alpha =\frac{a^2+b^2-c^2}{2ab}

\displaystyle cos\alpha =\frac{190^2+330^2-280^2}{2(190)(330)}

\displaystyle cos\alpha =\frac{36100+108900-78400}{125400}

\displaystyle cos\alpha =\frac{66600}{125400}=0,5311

\displaystyle \alpha= arccos\ 0.5311

\boxed{\displaystyle \alpha= 57.9^o}

5 0
4 years ago
A map has a scale factor of 1cm:600m.
svetlana [45]
The answer is 6 cm. The scale is 1cm:60,000cm. When you take 3.6 and divide it by 60,000 you get 0.00006km on the map. This then converts to 6 centimeters on the map. Just remember: King Henry Doesn't Usually Drink Chocolate Milk.
6 0
3 years ago
Write 3 different complex fractions that simplify to 1:4
djverab [1.8K]
25/100
27/108
31/124
these three equal 1/4 or 1:4
3 0
3 years ago
Simplify: 3√5⋅√10+11√5⋅√10−√5<br> 26√50<br><br> 14√15−√5<br><br> 14√50−√5<br><br> 6√35
Leno4ka [110]

Answer:

When multiplying radical expressions with the same index, we use the product rule for radicals. If a and b represent positive real numbers,

Example 1: Multiply:

√2⋅√6

Solution: This problem is a product of two square roots. Apply the product rule for radicals and then simplify.

Step-by-step explanation:

              Hope this helps .   ;)

7 0
3 years ago
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