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Marianna [84]
2 years ago
9

Can someone help me with this assesment

Mathematics
1 answer:
inn [45]2 years ago
6 0

Answer:

true

false; exponent should be -7

false; exponent should be 16

true

Step-by-step explanation:

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Data was collected of students’ hair color and gender. The results are in the table below (see picture) question #1: what is the
Zinaida [17]
#1:  15%
#2:  1/10 = 10%

There are 6 girls who have blonde hair out of 40 students; 6/40 = 15%.

There are 4 boys that have black hair out of 40 students; 4/40 = 1/10 = 10%.
8 0
3 years ago
Read 2 more answers
Find the least common multiple of 8c4 and 6c2 .
Ksju [112]
The least common multiple is the smallest term that can be divided to both terms without any remainder. For the two terms 8c^4 and 6c^2, you can determine it into two part. First, you find the LCM for 8 and 6. You find the prime number that is common between the two. That would be 2. For the variables c^4 and c^2, the 'prime variable' is c. Therefore, the least common multiple for 8c^4 and 6c^2 is 2c.
6 0
3 years ago
Write an expression for two times the difference of eight and d
Sedaia [141]

Answer:

2(8 - d)

Step-by-step explanation:

6 0
3 years ago
I just need some help in math. This problem specifically
larisa [96]

Answer:

∠ ABD = 37° , ∠ DBC = 58°

Step-by-step explanation:

∠ ABD + ∠ DBC = ∠ ABC , substitute values

2x + 23 + 9x - 5 = 95 , that is

11x + 18 = 95 ( subtract 18 from both sides )

11x = 77 ( divide both sides by 11 )

x = 7

Then

∠ ABD = 2x + 23 = 2(7) + 23 = 14 + 23 = 37°

∠ DBC = 9x - 5 = 9(7) - 5 = 63 - 5 = 58°

5 0
2 years ago
Read 2 more answers
Luisa Díaz drove her vehicle about 7,200 miles last year. Her fixed costs totaled $1,058.40 and her variable costs were $1965.60
anastassius [24]

Answer:

$0.42

Step-by-step explanation:

Given:

Luisa Díaz drove her vehicle about 7,200 miles last year.

Total fixed cost = $1,058.40

Total variable cost = $1965.60

<u>Question asked:</u>

How much did it cost per mile ?

Solution:

Total cost of driving 7200 miles = Total fixed cost + Total variable cost

                                                     = $1,058.40 + $1965.60

                                                     = $3024

<u>By unitary method:</u>

Cost of driving 7200 miles = $3024

Cost of driving 1 mile = $3024 \div 7200

                                   = $0.42

Thus, cost of driving per mile is $0.42

8 0
3 years ago
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