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nikdorinn [45]
3 years ago
12

Factor 5x2+10x-15 , please lend a helping hand if you will.

Mathematics
1 answer:
Usimov [2.4K]3 years ago
3 0
The correct answer is:  [B]:  " (x + 3)(5x - 5) " .
_________________________________________________________
You might be interested in
14. Find the height of a cylinder if the surface area is 408.41 square inches and the radius is 5
weeeeeb [17]

Answer:

Height is 8.0in

Step-by-step explanation:

Surface Area of a cylinder = 2πr(r+h)

r is the radius

h is the height of the cylinder

Given surface area = 408.41in²

radius = 5in

h = ?

Substituting the given value into the formula

408.41 = 2π(5)(5+h)

408.41 = 50π + 10πh

408.41 = 50(3.14)+10(3.14)h

408.41 = 157+31.4h

408.41-157 = 31.4h

251.41 = 31.4h

h = 251.41/31.4

h = 8.0in

8 0
3 years ago
A group of friends receives a dinner bill for $87.50. The sales tax rate is 5%. They want to leave a 15% tip on the total bill a
dimulka [17.4K]

Answer:

$13.78

Step-by-step explanation:

87.5x.05=4.38

87.5+4.38=91.88

91.88x.15=13.78

7 0
3 years ago
Daniel rollerbladed 3 miles in 12 minutes what was his speed in miles per hour
a_sh-v [17]

Daniel is rollerblading at 15 miles per hour


Daniel can go 3 miles in 12 minutes so we do 12÷3 to find out how many minutes it takes to go 1 mile which is 4 now we do 60÷4 to get 15


Alternatively we could do 60÷12 to get 5 then do 3×5 to get 15

7 0
3 years ago
Read 2 more answers
Simplify the expression
shusha [124]

Answer:

it can't be simplified.

8 0
3 years ago
Read 2 more answers
1. Seekor burung helang berada 4.56 m di atas aras laut manakala seekor kuda laut berada 6.82 m
s2008m [1.1K]

(a) Calculate the vertical distance between the eagle and the seahorse.

Answer a: 11.38 meters is the vertical distance between them.

(b) Describe Adrian's position from the sea level.

Answer b: Adrian is 1.13m below the sea level.

Step-by-step explanation:

(a) Since sea level is the origin of coordinates. distances above sea level are positive and distances below sea level are negative. The distance between two points is the difference between them.

The vertical distance between the eagle and the seahorse is the difference between their positions:  

Distance = 4.56m - (-6.82m) = 4.56m + 6.82m = 11.38 meters

Answer a) 11.38 meters is the vertical distance between them.

(b) Adrian's position is in the middle of the distance between the eagle and the seahorse:

Middle = 11.38m/2 = 5.69m

Since 5.69m is more than 4.56m above the sea level, then Adrian is below the sea level:

4.56m - 5.69m = -1.13m

Answer b: Adrian is 1.13m below the sea level.

<h2><em>Spymore</em></h2>

6 0
3 years ago
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