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masha68 [24]
3 years ago
13

PLZ HELP 20 POINTS

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
8 0
He has 415 to spend on a trip
25 for gas
415-25=390
He must spend 100 each day
390≤100d
3.9≤d
He cannot have part of a day so he can only spend 3 days
Solution: d=3
Agata [3.3K]3 years ago
6 0

It's 4 just took the test.


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What is the slope of the shown below?
Alexus [3.1K]

Answer:

<h2>B. 4</h2>

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (1, 1) and (3, 9). Substitute:

m=\dfrac{9-1}{3-1}=\dfrac{8}{2}=4

5 0
3 years ago
Read 2 more answers
PLS HELP ME AS SOON AS POSSIBLE
Veseljchak [2.6K]

Answer:

7a. D)

7b. $78

Step-by-step explanation:

7a: We're given the information that there's a daily fee of $50 and $0.35 per mile driven, which is m. We can write "$0.35 per mile driven" as 0.35m. Then, the total amount of money it costs represented as an expression is 50 + 0.35m, thus, making it answer D).

7b: In this problem, we have to take our previous expression 50 + 0.35m, plug in the value of m, and simplify.

  • 50 + 0.35(80)
  • 50 + 28
  • 78

Thus, the answer is $78.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

8 0
2 years ago
Date: / ot of so from the tind the value proportion:x: 35:98:60. 2​
Alik [6]

Answer:

jsjsjsjjejejejsjsisj

sjjsjskzij

Step-by-step explanation:

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7 0
3 years ago
Write an equivalent algebraic equation for the sentence below.
tatuchka [14]

Answer:

x-7=13

Step-by-step explanation:

x-7= 13

hope that helps

5 0
3 years ago
Lucy offers to play the following game with Charlie: "Let us show dimes to each other, each choosing either heads or tails. If w
Darya [45]

Answer:

(a)Charlie is right

(b)$0

Step-by-step explanation:

(a)A game is said to be a fair game when the probability of winning is equal to the probability of losing. Mathematically, a game is said to be fair when the expected value is zero.

In the game, the possible outcomes are: HH, HT, TH and TT.

Charlie wins when the outcome is HH, TT

  • P(Charlie Wins)=2/4
  • P(Charlie Losses)=2/4

Lucy wins when the outcome is HT or TH

  • P(Lucy Wins)=2/4
  • P(Lucy Losses)=2/4

Therefore, the game is fair. Charlie is right.

(b)

If the outcome is HH, Lucy pays $3.

If the outcome is HT or TH, Lucy gets $2.

If the outcome is TT, Lucy pays $1.

The probability distribution of Lucy's profit is given below:

\left|\begin{array}{c|c|c|c}$Profit(x)&-\$3&-\$1&\$2\\P(x)&1/4&1/4&2/4\end{array}\right|

Expected Profit

=(-3 \times \frac14)+(-1\times \frac14)+(2 \times \frac24)\\=$0

Lucy's expected profit from the game is $0.

7 0
3 years ago
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