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algol13
2 years ago
5

Select the correct answer. What is the value of x? log^2(x+ 7) = 2

Mathematics
1 answer:
Delvig [45]2 years ago
3 0
Answer: x=-3

Solve the equation by rewriting in exponential form using the definition of a logarithm and simplifying.
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In a game, Ben’s score was 3 times Sam’s score. Together they scored 80 points. Find their scores.
ki77a [65]

Answer:

Ben score -60

Sam score -20

Step-by-step explanation:

let Sam score be X

let Ben score be 3x

X+3x =80

4x =80

X=80/4

X =20 ........Sam score

Ben score=3x

=3 ×20

=60

5 0
2 years ago
5/8 voted for blue, 5/9 voted for green and 48 voted for red. How many voted for blue and how many voted for green?
Ostrovityanka [42]
Ok, um lets start with blue equation (5/8)*288=180 <<- Blue 180 voted for blue.
Ok Green is much easier 108-48=60 <------- Green 60 votes. 
8 0
2 years ago
What is the minimum number of cards that must be drawn from an ordinary deck of cards to guarantee that you have been dealt at l
irina1246 [14]

The minimum number of cards which must be drawn to get atleast 3 cards of aces is 4.

According to the given question.

We have a deck of cards.

As, we know that

The total numbers of cards in a deck = 52

Since, we have to find the minimum number of cards to be drawn so that we will get atleast 3 cards of aces.

As they have used atleast in the question so the cards can be more also so we have to reach at minimum number of cards to be drawn to guarantee atleast 3 cards of aces.

Number of suits in a  standard deck= 4 (Clubs, Hearts, Diamond,  Spades)

Number of aces in a suit = 1

We need atleast three cards of aces. Which means that we have 4*1 =4 cards from each suit.

Thereofre, the minimum number of cards which must be drawn to get atleast 3 cards of aces is 4.

Find out more information about cards and minimum numbers here:

brainly.com/question/28044662

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4 0
1 year ago
Measure of the other acute angle?
leonid [27]

Step-by-step explanation:

step 1. the 3 internal angles of a triangle add up to 180°. let x be the 3rd angle

step 2. x + 34 + 72 = 180

step 3. x = 74°.

step 4. for problem 5 let the internal angles be a, b, and c

step 5. so b = 2a - 10, c = b + 25

step 6. we also know that a + b + c = 180

step 7. so a + (2a - 10) + (b + 25) = 180 by substitution

step 8. a + (2a - 10) + ((2a - 10) + 25) = 180 also by substitution

step 9. 3a - 10 + 2a + 15 = 180

step 10. 5a + 5 = 180

step 11. a = 35°

step 12. therefore b = 2a - 10 = 60°, c = 85°.

3 0
3 years ago
DESPEJA X-.<br> -7x-50≤-1 y -6x+70&gt;-2
Eduardwww [97]

Answer:

the answer is I fogot

Step-by-step explanation:

thats the answer tell u r teacher u r using a app to do homework

7 0
3 years ago
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