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Karo-lina-s [1.5K]
3 years ago
8

ON B ONLY (7th grade math) please help!!!

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer:

I think 3 I dont know for sure because I did t do this in 7th grade

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Pythagorean Theorem
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They are about 141.42 feet away from the welcome center

8 0
3 years ago
Identify a value k that makes (x+5) a factor of x^3+kx^2-x+45<br><br> will mark brainliest
coldgirl [10]

Answer:

We should attempt synthetic division to find when

x

3

−

k

x

2

+

2

k

x

−

15

x

−

3

has a remainder of

0

, which would signify that it is a factor of the polynomial.

The synthetic substitution would be set up as:

3

−

∣

∣

∣

1

−

k

2

k

−

15

−−−

−−−

−−−

−−−

−−−

|

0

Treating the synthetic division like any other synthetic division problem, we see that

3

−

∣

∣

∣

1

−

k

2

k

−

15

−−−

−−−

3

−−−−−−−−

−

3

k

+

9

−−−−−−−−

−

3

k

+

27

−−−−−−−−−

1

−

k

+

3

−

k

+

9

|

0

If the remainder equals

0

, then we know that

−

3

k

+

27

+

(

−

15

)

=

0

Solve this to see that

k

=

4

.

Thus,

(

x

−

3

)

is a factor of

x

3

−

4

x

2

+

8

x

−

15

.

4 0
3 years ago
Write the sentence as an equation.<br> 368 is the same as h subtracted from 280
timama [110]

Answer:

368= 280-h

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Asey wants to buy some instruments for his niece and nephew. He has $40 to spend. Based on the prices listed below, what is the
andrew-mc [135]

Answer:

I would pick a, the estimated total to the nearest dollar is 38

Step-by-step explanation:

13.95 rounded is 14

23.50 rounded is 24

24+14=38

7 0
2 years ago
Nikos removed 25 blocks from a board game over his last 5 turns. He removed the same number of blocks during each turn. Which nu
maria [59]

Answer:

5

Step-by-step explanation:

cause i divided 25 by 5 which gave me 5

3 0
3 years ago
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