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alexdok [17]
3 years ago
9

Pls help me this is 7th grade (ADVANCED)

Mathematics
1 answer:
kiruha [24]3 years ago
8 0

Answer:

10,24,33 could form a triangle

Step-by-step explanation:

5 + 19 is not greater than 25

6 + 12 is not greater than 19

15 + 17 is not greater than 44

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Solve For X:<br><br>(-3/4)x - 9 = -27 <br><br>i need help asap.​
kakasveta [241]
For the question on the picture with -3/2 the answer is x=12, but the one you typed with -3/4 the answer is x=24
7 0
3 years ago
WILL MARK BRAINLIEST URGENT PLS HELP
PIT_PIT [208]
114 degrees! you just add the two others
7 0
3 years ago
Read 2 more answers
Find all roots x^3 + 7x^2 + 12x = 0
babunello [35]

Answer:

Therefore the THREE roots are

x=0\ or\ x=-3\ or x=-4

Step-by-step explanation:

Given:

x^{3}+7x^{2} +12x= 0

To Find:

All  the Roots = ?

Solution:

As the degree of the polynomial is THREE then the number of root are also THREE.

x^{3}+7x^{2} +12x= 0\\\\x(x^{2}+7x +12)= 0\\\\x=0\\or\\x^{2}+7x +12= 0\\

Now one root is Zero For other we need to Factorize

So by Splitting the middle term

i.e Factor of 12 such that sum should be 7

i.e 3 × 4 = 12  and 3 + 4 = 7

∴ x^{2}+7x +12= 0\\x^{2}+3x+4x +12= 0\\x(x+3)+4(x+3)=0\\(x+3)(x+4)=0\\\\x+3=0\ or\ x+4 = 0\\\\\therefore x=-3\ or x=-4\ \textrm{Which are the roots}

Therefore the THREE roots are

x=0\ or\ x=-3\ or x=-4

8 0
3 years ago
A bee flies at 10 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 18 minutes, and then
uysha [10]

Answer:

Step-by-step explanation:

d = distance from hive to flowers, in feet

flying time = 23 min - 18 min = 5 min = 300 sec

time flying to flowers = d ft × (1 sec)/(10 ft) = (d/10) sec

time flying to hive = d ft × (1 sec)/(6 ft) = (d/6) sec

d/10 + d/6 = 300 sec

:::::

d/10 + d/6 = 3d/30 +5d/30 = 8d/30 = 300

d = 300×30/8 = 1,125 ft

3 0
3 years ago
5 times the sum of s and 7
EastWind [94]

Answer:

5(s+7) or (s+7)*5

Step-by-step explanation:

Read the question carefully when trying to do these problems. Whenever it states "sum" then you should automatically put the terms behind it (s and 7) together to add them together. This would look like s+7.

Next it says 5 TIMES the sum of the terms therefore you should put s+7 together in parentheses and multiply them by 5 so that you first have the sum of s and 7 in parentheses. This would then look like 5(s+7) or (s+7)*5.

6 0
3 years ago
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