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lana66690 [7]
2 years ago
11

Please help me find the answe asap

Mathematics
1 answer:
Andreyy892 years ago
4 0

Answer:

B

Step-by-step explanation:

the mean is calculated as

mean = \frac{sum}{count}

this year's mean = \frac{7+3.3+2}{3} = \frac{12.3}{3} = 4.1

last year's mean = \frac{5.3+1.6+2.4}{3} = \frac{9.3}{3} = 3.1

difference = 4.1 - 3.1 = 1

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A line has a slope of 1 and passes through the point (-8, -7). What is its equation in
AlekseyPX

Answer: y = x + 1

Step-by-step explanation:

y = 1x + c

-7 = 1(-8) + c

-7 = -8 + c

-7 + 8 = c

1 = c

y = 1x + 1 or

y = x + 1

4 0
2 years ago
Read 2 more answers
Whats 5+5+5+5+5+5+5+5+5+5+5+5+10+10+10+10 ????? Help!!!
Svetradugi [14.3K]

Answer:

100!!

Step-by-step explanation:

Hope this helps

3 0
3 years ago
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A local school has was evaluated the the Education Department and received the
Angelina_Jolie [31]

Answer: 79

Step-by-step explanation:

Given the following :

Graduation Rates:

Grade:82

Weight: 50%

Passing Rates:

Grade: 75

Weight: 30%

Enrollment Numbers:

Grade: 60

Weight: 10%

Career readiness:

Grade: 95

Weight: 10%

Overall score : Σ(grade × weight)

(82 × 50%) + (75 × 30%) + (60 × 10%) + (95 × 10%)

= (41 + 22.5 + 6 + 9.5)

= 79

Hence, overall score is 79

5 0
3 years ago
On a Saturday, Saul can cut 4 lawns in 6 hours. If Mitch can mow lawns at the same rate, how long will it take him to
kotykmax [81]

Answer:

13 1/2 hours

Step-by-step explanation:

4/6=9/x then find the rate and solve

5 0
3 years ago
How to solve it with walk through steps
mario62 [17]
You can say

x+y=5
x=5-y

You know the value of x, put it into the next equation.

3(5-y)-7y=19
15-3y-7y=19
15-19 = 10y
-4=10y
-4/10=y
-2/5=y

Put y value back into either equation to find value of x.

x+y=5
x-2/5=5
x=5+2/5
x=27/5

Therefore, x,y = (27/5, -2/5)

Hope I helped :)
6 0
3 years ago
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