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Wittaler [7]
3 years ago
13

Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below.

Mathematics
2 answers:
Hatshy [7]3 years ago
7 0

Answer:

-2y, -2xy

Step-by-step explanation:

dig bick

Agata [3.3K]3 years ago
4 0

Answer:

-2y, -2xy

Step-by-step explanation:

got it correct on the assignment :)

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BRAINLIEST!! If the area of ABC is D, give the expressions that complete the equation for the measure of angle C
kati45 [8]

Answer: m= 1+3

Step-by-step explanation:

Basic math helps.

This is geometry.

Yes.

if you add a you get b.

hope this helps, anytime.

4 0
3 years ago
Jillian needs to buy a new laptop for the school year. The list price for the laptop is $479.99. Is it a better
Galina-37 [17]

Answer:

$100 rebate

Step-by-step explanation:

$479.99-$100.00= $379.99 or $479.99-20% =$383.99 so the $100.00 rebate a better offer

4 0
4 years ago
Read 2 more answers
A basketball player that shoots 80% from the free throw line attempts two free throws. The notation for conditional probability
taurus [48]

Answer:

P(made 2nd attempt|made 1st attempt)=P(made 2nd attempt)

Step-by-step explanation:

Here given that a basketball player that shoots 80% from the free throw line attempts two free throws.

If x is the no of shoots he makes (say) then we find that each throw is independent of the other.

In other words, because he made successful first attempt, his chances for second attempt will not change

Prob for success in each attempt remains the same as 0.80

Hence I throw is independent of II throw.

When A and B are independent,then we have

P(A/B) = P(A)

Hence answer is

P(made 2nd attempt|made 1st attempt)=P(made 2nd attempt)


8 0
3 years ago
Heidi spent a total of $60 on clothing items she bought 2 pairs of shorts for 10 dollars each she bought some t-shirts for 4 eac
lisov135 [29]

Answer:

2 pair shorts and for t-shirts and sandals possible cases are  

1 t-shirt and 3 sandals or

4 t-shirts and 2 sandals or

7 t-shirts and 1 sandals.

Step-by-step explanation:

Total money spent by Heidi on the clothing items is $60.

Now , she bought 2 pairs of short for $10 each , so, the money spent on shorts will be $20.

Thus money for other stuffs should be $40.

Let she bought x t-shirts for $4 each , thus money spent on t-shirts will be 4x dollars.

Also let she bought y sandals for $12 each , so money spent on sandals will be 12y dollars .

Thus , 4x + 12y = 40.  (since 40 dollars were remaining for other clothing

                                     items)

So, x + 3y = 10.

So, the possible cases are 1 t-shirt and 3 sandals or

4 t-shirts and 2 sandals or

7 t-shirts and 1 sandals.

7 0
3 years ago
If a polygon has four right angles, then it is either a square or a rectangle.
morpeh [17]
B. A polygon is either a square or a rectangle
5 0
3 years ago
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