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seraphim [82]
3 years ago
11

Just click the picture you don't have to show your work. IF you want to you can tho.

Mathematics
1 answer:
weeeeeb [17]3 years ago
8 0
The correct answer is A.

That is because the whole paragraph talks about a model car that they are testing but this student is wondering about roller coasters.

Hope this helps :)
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4x+2y=10 <br> X-y=13 <br> Write in (x,y)
Bad White [126]

Answer:

(x = 6, y = -7)

Step-by-step explanation:

Solve the following system:

{4 x + 2 y = 10 | (equation 1)

x - y = 13 | (equation 2)

Subtract 1/4 × (equation 1) from equation 2:

{4 x + 2 y = 10 | (equation 1)

0 x - (3 y)/2 = 21/2 | (equation 2)

Divide equation 1 by 2:

{2 x + y = 5 | (equation 1)

0 x - (3 y)/2 = 21/2 | (equation 2)

Multiply equation 2 by 2/3:

{2 x + y = 5 | (equation 1)

0 x - y = 7 | (equation 2)

Multiply equation 2 by -1:

{2 x + y = 5 | (equation 1)

0 x+y = -7 | (equation 2)

Subtract equation 2 from equation 1:

{2 x+0 y = 12 | (equation 1)

0 x+y = -7 | (equation 2)

Divide equation 1 by 2:

{x+0 y = 6 | (equation 1)

0 x+y = -7 | (equation 2)

Collect results:

Answer:  {x = 6 , y = -7

5 0
3 years ago
This is 3 question help please
bekas [8.4K]
3 should be D
11 should be D
13 should be A
8 0
3 years ago
Jenny is 34 she has a 18yr old son how old did she have her son?
salantis [7]

Answer: 16

Step-by-step explanation:

Subtract her age by her son’s age

5 0
3 years ago
Read 2 more answers
Consider the compound inequality x &lt; 4 and x&gt;a. If a=4 and the compounding word were "or" instead of "and",what would the
FinnZ [79.3K]

Answer:

We have:

x < 4 AND x > a.

if a = 4 and we use an "or" instead of the "and" we have:

x < 4 or x > 4.

This is:

"x is larger than 4 or smaller than 4."

Then the solution of this is all the real numbers except the value x = 4.

The set of solutions can be written as:

{xI x ∈ R  \ [4]}

Where this reads:

"x belongs to the set of the reals minus the number 4".

Or we also could write it as:

x ∈ (-∞, 4) ∪ (4, ∞)

Where we have two open ends in the "4" side, so the value x = 4 does not belong to that set.

4 0
3 years ago
The diameter of a circular rug is 5.6 feet what is the circumference
Brut [27]

Answer:

10.12

Step-by-step explanation:

5.6x2

5 0
3 years ago
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