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Alexus [3.1K]
3 years ago
6

What sentence represents the number of points in the problem below?

Mathematics
1 answer:
Paul [167]3 years ago
3 0

Answer:

The number of multiple choice plus the number of short answers is 25

Step-by-step explanation:

2x+4y=80

x+y=25

y=-x+25

2x+4(-x+25)

2x-4x+100

-2x+100=80

-2x=-20

x=10

y=15

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What is the domain and range ?
Svetlanka [38]

Answer:

Domain is [-4, 4]

Range is [0, 4]

Step-by-step explanation:

Domain is the fancy name for the values of x that works for the graph (input), in this case, from -4 to 4, inclusive.

Range is the fancy name for the values of y that works for the graph (output), in this case, from 0 to 4, inclusive.

3 0
3 years ago
This will give you 35 just please help I need to do this very fast. So if you can help please do.
EleoNora [17]

Answer:

52° and 38°

Step-by-step explanation:

The two angles form a singular right angle.

(x+33)+(2x)=90\\\\x+33+2x=90\\\\3x + 33 = 90\\\\3x+33-33=90-33\\\\3x=57\\\\\boxed{x=19}

The value of 'x' is 19.

m$\angle$1 = x + 33\\\\m$\angle$1 = 19 + 33\\\\m$\angle$1 = \boxed{52}

The measure of angle 1 is 52 degrees.

m\angle2=2x\\\\m\angle2=2(19)\\\\m\angle2=\boxed{38}

The measure of angle 2 is 38 degrees.

Hope this helps.

5 0
3 years ago
In a right triangle the length of a hypotenuse is 6 and the length of one leg is 5. Find the length of the other leg,
ludmilkaskok [199]

Answer:

sqrt 11

Step-by-step explanation:

Pythagorean theorem again. a^2+b^2=c^2. The hypotenuse is the c value. One of the legs is either a or b, doesn't matter which. So you can make the equation 5^2+b^2=6^2. 25+b^2=36. Subtract 25 from each side to isolate the b variable. You're left with b^2=11. Now you take the square root of each side to get b. This makes b= sqrt 11.

7 0
3 years ago
Read 2 more answers
Reagan spends 26% of her weekly allowance on 2 banana splits. Banana splits cost $3.25 each. How much does Reagen recieve for he
Kruka [31]
So lets go step by step, first lets see how much Reagan spent, that is 2 banana splits, $3.25 each, that is:
total spent = 2*3.25 = 6.50
So Reagan spent $6.50 of her weekly allowance, and the problem says that $6.50 represents 26% of her weekly allowance, the question is to find out how much represents the 100% of her weekly allowance.
We can solve this using a rule of three, simple, with direct proportion:
 26% -----> $6.50
100% ----> x
x = (100)(6.50)/26 = 650/26
x = 25
therefore Reagan's weekly allowance is $25
3 0
3 years ago
A card is drawn at random from a standard deck of playing cards (no jokers). If the card is a spade, the player wins $7; if it i
Akimi4 [234]

The expected value of the game is the mean value of the game

The expected value of the game is $1

<h3>How to determine the expected value?</h3>

There are 13 spades in a deck of card of 52

So, the probability of selecting a spade is:

P(Spade) = 13/52

Simplify

P(Spade) = 1/4

Winning = $7

The probability of not selecting a spade is:

P(Not spade) = 1 - 1/4

Simplify

P(Not spade) = 3/4

Lose = $1

The expected value of the game is:

E(x) = \sum x * P(x)

This gives

E(x) = \frac 14 * 7 - 1 * \frac34

Simplify

E(x) = \frac 74 - \frac34

Evaluate

E(x) = 1

Hence, the expected value of the game is $1

Read more about expected values at:

brainly.com/question/15858152

8 0
2 years ago
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