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3 years ago

I just started 8th grade and I want to know if my answer is right.

Mathematics

2 answers:

mario62 [17]3 years ago

8 0

Yes you do! In fact not just I. You move al l three down right after or before you move the units to the right.

ELEN [110]3 years ago

7 0

Answer:

Yes, you have to move because 1 square is one unit.

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Billy has x marbles. Write an

babymother [125]

Answer:

$Charlie = 5 + x$

$Danny = x - 8$

$Eric = 3x$

Step-by-step explanation:

Given

Billy's Marble = x

Required

Determine a,b and c

a. Charlie's Marble

"5 more" means 5 + or + 5

Since Billy's Marble is represented with x, then Charlie's Marbles will be

$Charlie = 5 + x$

b. Danny's Marbles

Having "8 fewer" means we have to subtract 8 from Billy's marble;

Since Billy's Marble is represented with x, then Danny's Marbles will be

$Danny = x - 8$

c. Eric Marbles

Having "three times as " means we have to multiply Bill's marble by 3;

Since Billy's Marble is represented with x, then Danny's Marbles will be

$Eric = 3 * x$

$Eric = 3x$

3 0

3 years ago

The ratio of the number of male lions to female lions in the animal reserve is 21:20 if there are 123 lions in the animal reserv

Katena32 [7]

ANSWER: 60 female lions

In the ratio there are 21 male lions and 20 female lions, in total 41 lions. Create a proportion relating the total number of lions in the ratio (41) and in the problem (123), and the number of female lions in the ratio (20) and in the problem (unknown).

20/41 = x/123

Cross multiply and solve

20(123)=41x

2460=41x

60=x

4 0

3 years ago

Evaluate the given integral by changing to polar coordinates. sin(x2 + y2) dA R , where R is the region in the first quadrant be

Leona [35]

In polar coordinates, the region $R$ is the set of points