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Mars2501 [29]
2 years ago
5

Simplify. - 4(x+5) + 5x

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
5 0
Answer: x-20

Explanation: Add like terms, -4x-20+5x =x-20
mote1985 [20]2 years ago
5 0

Answer:-20-x

- 4(x+5) + 5x

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You hike 190 meters up a steep hill that has a 33∘ angle of elevation as shown in the diagram.
erik [133]

Answer:

b = 159 m

a = 103 m

angle B is 57 degrees

Step-by-step explanation:

Let’s start with getting the measure of angle B

Mathematically, since we have a right triangle , we have to subtract the given angle from 90 to get the other acute angle

So we have the measure of B as;

90-33 = 57 degrees

To get the value of a, we use the appropriate trigonometric ratio

a faces the angle 33, that makes it an opposite to that angle

190 faces the right angle and that makes it the hypotenuse

Mathematically , the relationship between the two is that trigonometrically, they are related by the sine which is the ratio of the opposite to the hypotenuse

so, we have it that;

sine 33 = a/190

a = 190 * sine 33

a = 103 m

to get b, it is adjacent to the given angle

So with the hypotenuse, the ratio between it and the hypotenuse is the cosine

so;

cos 33 = b/190

b = 190 * cos 33

b = 159 m

4 0
2 years ago
HELP!!!!<br><br> What is the surface area of the figure below?
GuDViN [60]

surface area= perimeter x height + 2b

s= pxh+2b

example: 18(8)+2(12)

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8 0
3 years ago
James has 38 stamps in his stamp collection. He collects about 6 stamps a month. How many stamps will James have in 7 months?
Andrej [43]
80 since he starts off with 38 stamps then gains 6 each month for 7 months (6x7=42) so 42+38=80
8 0
3 years ago
Read 2 more answers
Which expression is equivalent to 6f+f?
Elena L [17]

Answer:

A

Step-by-step explanation:

This is because 6f+f is just 7f.

f f f f f f+f = fffffff

Soooo, ONLY A gives us 7f when added together again.

f+5f+f=7f.

f+ f f f f f +f = fffffff

3 0
2 years ago
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What function is shown in the graph below?
pochemuha

Answer:

C. y = log 1/6 x

Step-by-step explanation:

im literally on this right now on edge lol

6 0
2 years ago
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