MATHEMATICS HIGH SCHOOL

-4(-2)+(-12)÷(+3)+-20+(+4)+(-6)​

Answers

Answer 1
Answer:

Answer:

-18

Step-by-step explanation:

-4(-2)+(-12)÷(+3)+-20+(+4)+(-6). [B.E.D.M.A.Srule](Firstbracket)

= 8 - 12 ÷ 3 - 20 + 4 - 6. (Thendivision)

= 8 - 4 - 20 + 4 - 6. (Thenafteraddition)

= 8 + 4 - 4 - 20 - 6

= 12 - 30. (Atlastsubtraction)

= -18 (Ans)
Answer 2
Answer:

Answer:

-18

Step-by-step explanation:

-4(-2)+((-12))/(+3)-20+(+4)+(-6)=8-(12)/(3)-20+4-6=8-4-20+4-6=-18

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F he Find the distance between the points: (-3,-4) and (5,5) 12 11.8 19 14,4​

Answers

Answer:

The distance between (-3, -4) and (5, 5) is 12.

Step-by-step explanation:

What rotation is shown below?A.-90° around the origin
B.270° around the origin
C.90° around the origin
D.180° around the origin

Answers

C. 90° around the origin

If f(x)=x^2-5 and g(x)=6x then g(f(x)) is equal to

Answers

g(x) = 6x 

g(f(x)) 
= 6((x^2) - 5) 
= (6x^2) - 30 

so its equal to
(6x^2) - 30
Plug f(x) as x in g(x) and you get 6(x^2-5), which is g(f(x)) = 6x^2-30.

A car travels 36 miles in 1 hour and 30 minutes, what is its average speed

Answers

The average speed is 0.4 miles per minute

Help on Question number 14 Determine whether each of the following is the graph of a function.

Answers

14-YES\n\n15-NO\ because\ for\ x=0\ function\ takes\ some\ value
14. 'y' is a function of 'x'. 15. 'x' is a function of 'y'.

The equations 6x + 5y = 300 and 3x + 7y = 285 represent themoney collected from selling gift baskets in a school fundraising
event. If x represents the cost for each snack gift basket and
y represents the cost for each chocolate gift basket, what is the cost
for each chocolate gift basket?
(1) $20 (3) $30
(2) $25 (4) $54

Answers

Answer:

$30

Step-by-step explanation:

Solving the equation given simultaneously to get the x and y variable;

6x + 5y = 300... (1) × 1

3x + 7y = 285... (2) × 2

Using elimination method, we will multiply equation 1 by 1 and equation 2 by 2 as shown above to have;

6x + 5y = 300... 3

6x + 14y = 570... 4

Subtracting equation 3 from 4, we have;

5y-14y = 300-570

-9y = -270

y = 270/9

y = 30

Since y represent the cost for each chocolate gift basket, the cost of each chocolate gift basket will be $30
(3) $30
Multiply the second equation by -2, then subtract it from the first equation. It should be
6x+5y=300
-6x-14y=-570
                  
-9y=-270
y=30
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