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sleet_krkn [62]
3 years ago
8

there are 75 students in a speech contest. Yesterday, 1/3 of them gave their speeches. Today, 2/5 of the remaining students gave

their speeches. how many students still haven't given their speeches?
Mathematics
1 answer:
Aloiza [94]3 years ago
7 0

Answer:

30 students

Step-by-step explanation:

Yesterday: 1/3 of the 75 students (75 / 3) = 25 students

There are now 50 students remaining to give their speeches.

Today: 2/5 of the 50 students (50 / 5 = 10 x 2 ) = 20 students

50 - 20 = 30 students remaining to give their speeches.

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aleksandr82 [10.1K]
The second one!!! For further help use cymath.com
7 0
2 years ago
Question
Mademuasel [1]

Answer:

<u>The cost to rent a rug cleaner for 6 days is $ 58</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Cost to rent a rug cleaner for d days = 5.50d + 25

2. Find the cost to rent the cleaner for 6 days.

Cost to rent a rug cleaner for 6 days = 5.50 * 6 + 25

Cost to rent a rug cleaner for 6 days = 33 + 25

Cost to rent a rug cleaner for 6 days = $ 58

<u>The cost to rent a rug cleaner for 6 days is $ 58</u>

6 0
3 years ago
If (x+5) is a factor of 3x^2+14x+k, what is the value of k?
kherson [118]
If (x+5) is a factor the equation will equal zero when x=-5 so

3(-5^2)+14(-5)+k=0

75-70+k=0

5+k=0

k=-5

7 0
3 years ago
The ratios in an equivalent ratio table are 3:12, 4:16, and 5:20. If the first number in the ratio is 10, what is the second num
krek1111 [17]

Answer:

10:40

Step-by-step explanation:

7 0
3 years ago
Which rules of exponents will be used to evaluate this expression? Check all that apply.
tatyana61 [14]

Answer:

Actual correct answer (I checked because the first answer was wrong)

Step-by-step explanation:

x product of powers

quotient of powers

power of a power

x power of a product

negative exponent

x zero exponent

I got this right the second time.

5 0
2 years ago
Read 2 more answers
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