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swat32
3 years ago
13

Factorise x2+3x-4. please

Mathematics
1 answer:
solmaris [256]3 years ago
4 0

Answer:

(−1) (+4)

Step-by-step explanation:

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Each of the 30 major league baseball teams carries a 40-person roster. A sample of 60 players (5 percent of all 1,200 players) i
Georgia [21]

Answer:

No

Step-by-step explanation:

Using this method, each group of 60 players do not have the same chance of being selected.

Also with this method, the selection will not be uniformly distributed among the 30 teams. Some teams will have more players, some will have few and some will have no player selected at all.

8 0
3 years ago
Joe has read 140 pages of his 300 page book what percentage has he read please show work
Lostsunrise [7]
140/300=14/30
14/30=7/15
So 7/15 is _
46.6%
8 0
2 years ago
What is the area of circle C when the radius is 0.4cm
Solnce55 [7]
I think it’s 0.5, sorry if it’s wrong
7 0
2 years ago
Solve the quadratic equation.<br> 2x2 + 35 = 17x
atroni [7]
Get it to equal 0

minus 17x from both sides

2x²-17x+35=0

tricky part
get something like
(2x-a)(x-b)
we know the signs  are negative since the middle term is negative and last term is positive

so a and b are either 1 and 35 or 5 and 7

(2x-1)(x-35), nope
(2x-35)(x-1) nope
(2x-5)(x-7), nope
(2x-7)(x-5), yep

(2x-7)(x-5)=0
set to zero
2x-7=0
2x=7
x=7/2

x-5=0
x=5


x=7/2 and 5
8 0
2 years ago
What is the measure of ∠RST ?
Marysya12 [62]
Remember that all the interior angles of a triangle add up to 180°.

The picture tells us two of the angles, \angle R which is 40° and \angle T which is also 40°.

Subtract the measurement of these two angles from 180° to find the measure of the third angle, \angle RST:
180° - 40° - 40° = 100°.

The measure of angle RST is 100°.

-------

Answer: 100°



3 0
3 years ago
Read 2 more answers
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