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Vedmedyk [2.9K]
3 years ago
8

Plz help me with this

Mathematics
1 answer:
Finger [1]3 years ago
3 0

Answer:    c) x = 5

<u>Step-by-step explanation:</u>

2\ log_3\ (x+4)-log_3\ 9=2\\\\2\ log_3\ (x+4)-log_3\ 3^2=2\\\\2\ log_3\ (x+4)-2=2\\\\2\ log_3\ (x+4)=4\\\\log_3\ (x+4)=2\\\\x + 4 = 3^2\\\\x+4=9\\\\\large\boxed{x=5}

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Triangles triangle ABC and triangle DEF are similar. Find the angles of these triangles if Mesurements of angle A=100 degrees, a
beks73 [17]

Answer:

<D = 100

<E =30

<F =50

Step-by-step explanation

Given that triangles triangle ABC and triangle DEF are similar, this means that their angles are congruent i.e

<A = <D

<B = <E

<C = <F

Given

<A = 100 then <D = 100

<B = 30°, then <E = 30°

To get <F, we will use the expression

<D+<E+<F = 180 (sum of angles in a triangle is 180°)

100+30+<F = 180

130+<F = 180

<F = 180-130

<F = 50°

Hence the measure of <F is 50°

3 0
2 years ago
The longest human power sporting event is the tour de France cycling race in a particular year the average speed for the winner
sergey [27]

Answer:

The winner completed the race in 96 hours and 52 minutes.

Step-by-step explanation:

Given:

Distance of the cycling race = 2292 miles

Average speed of the winner = 23.66\  mph

We need to find time required by winner to complete the race.

Solution:

Now we know that;

Time required can be calculated by dividing Total Distance from the Average speed.

framing in equation form we get;

time required by winner to complete the race = \frac{2292}{23.66} = 96.87\ hrs

Now converting 0.87\ hrs into minutes we get;

0.87\times 60= 52.2\approx 52\ mins

Hence the winner completed the race in 96 hours and 52 minutes.

3 0
2 years ago
in a football game, a touchdown with an extra point is worth 7 points and a field goal is worth 3 points. Suppose that in a game
Leokris [45]

1 and 2 are less then 3

4=3+1 but you cant get 1 from 7 or 3 so 4 is impossible. So is 5, 6, 8, and 20.

Bolded numbers are answers.

5 0
3 years ago
Read 2 more answers
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kicyunya [14]

The answer would be 1,904 because a pound is 16 ounces so 8.5 times 14 (how many days are in two weeks) which is 119. Then 119 times 16 (how many ounces are in a pound) would be 1,904. hope i am helpful :D

7 0
2 years ago
12) Kelly bent a piece of wire to form the shape below. Determine the length of wire she used to create the shape (FORMULA = 2 x
mojhsa [17]

Please add the image to solve. Thank you.

4 0
2 years ago
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