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Kaylis [27]
2 years ago
12

I dont get this please help.

Mathematics
1 answer:
madam [21]2 years ago
3 0

40 out of 250 students speak French: 40 / 250 = 0.16

Multiply the number of students surveyed by 0.16:

30 x 0.16 = 4.8

Round up to 5 students.

Answer 5 students

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What is the slope of the line for BOTH graphs? Are the slopes the same or different?
Y_Kistochka [10]

Answer:

both are -10

Step-by-step explanation:

#1

x1 y1  x2 y2

1.5 180  6 135

(Y2-Y1) (135)-(180)=   -45  ΔY -45

(X2-X1) (6)-(1.5)=    4.5  ΔX 4.5

slope= -10          

B= 195          

Y =-10X +195

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    

#2

x1 y1  x2 y2

1 175  8 105

   

(Y2-Y1) (105)-(175)=   -70  ΔY -70

(X2-X1) (8)-(1)=    7  ΔX 7

slope= -10          

B= 185          

Y =-10X +185    

7 0
3 years ago
There are 2 girls and 3 boys on a camping trip. What is the ratio of girls<br> to boys on the trip?
vodka [1.7K]

Answer:

2/3

Step-by-step explanation:

6 0
2 years ago
I’ll give someone brainliest if they answer this
Dimas [21]

Answer:

2. The answer should be the last one.

3. The answer should be the first three.

Step-by-step explanation:

<u>Question 2</u>

KE = (1/2)mv²

2KE = mv²

v² = 2KE/m

v = ±√(2KE/m)

Therefore the answer should be the last one.

<u>Question 3</u>

b^(1/2) * b^(5/2)

Remember that the <u><em>product rule</em></u> states that b^x * b^y = b^(x+y)

So this means b^(1/2) * b^(5/2) = b^(1/2+5/2) = b^(6/2) = b^3

Also remember that the <u><em>power rule</em></u> states that √b = b^(1/2)

so this means b^(6/2) can also be written as (√b)^6

Therefore the answer should be the first three.

<em>If you want to double check all of your answers, just replace b with a number (for example, 2), and plug all of the choices into the calculator. Just </em><u><em>make sure</em></u><em> you are </em><u><em>very careful</em></u><em> when typing into the calculator.</em>

3 0
2 years ago
ANSWER FREE BRINLIEST!! ANSWER THE TWOO CIRCLED ONES!!
BlackZzzverrR [31]

Answer:

alright for the first one you set them equal o each other while for the second you do the same thing

first one:8

second one:5

Step-by-step explanation:

24/3 is x and x=8

for the second one

18+12 is 30 and 30/6 is 5so the second one is 5'

if you want me to clarify more please comment

5 0
3 years ago
Read 2 more answers
If there are a total of 25 questions, and I scored 56% on my test, how many answers did I get right, and how many answers did I
Ipatiy [6.2K]

Answer:

14 correct and 11 wrong

Step-by-step explanation:

If you got a 56% , we need to change this to decimal form 56% = .56

This is the percent you got right

.56* 25 = 14

You got 14 questions right

To determine the number of questions you got wrong, take the total number of questions minus the number you got right.

25-14 =11

You got 11 wrong

8 0
3 years ago
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