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NemiM [27]
3 years ago
15

How do you factorise x^2+2x-15

Mathematics
1 answer:
crimeas [40]3 years ago
7 0
I hope this helps you

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For every 6 students who purchase a bag of M&M’s, there are 5 students who purchase a pack of gum. Use M for the number of s
Assoli18 [71]

Answer:

  M/6 = G/5

Step-by-step explanation:

We are given a relation between the numbers of students in two different groups. That relation can be used to write an equation.

<h3>Groups who bought M&Ms</h3>

If we consider M&M buyers to be 6 in a group, then the number of those groups is ...

  M/6

<h3>Groups who bought gum</h3>

Similarly, the number of groups who bought gum will be ...

  G/5

where there are 5 gum-buyers in each group.

<h3>Equation</h3>

The problem statement tells us that for each group of one kind, there is a matching group of the other kind. That is, the numbers of groups are equal:

  M/6 = G/5

4 0
2 years ago
1.00
jenyasd209 [6]

Answer:

6

Step-by-step explanation:

Plug in 3 into both expressions

Then add those results

2(3)+21=6+21=27

3-24             =-21

                    -------

                         6  is the sum of 27 and -21

6 0
4 years ago
You buy 4 breakfast sandwiches at $2.59 each, 4
Paha777 [63]

Answer:

all 4 meals equal $20.95

Step-by-step explanation:

4 sandwiches = $2.59 each

4 hashbrowns = $1.10 each

4 orange juice = $1.25 each

sales tax = 6%

now you have two options you could either add all of the one meal prices together or you could do how much it would cost for the each individually

adding one meal

2.59 + 1.10 + 1.25 = 4.94

4.94 x 4 = 19.76

adding all the items individually

2.59 x 4 = 10.36

1.10 x 4 = 4.40

1.25 x 4 = 5.00

10.36 + 4.40 + 5.00 = 19.76

now if the sales taxes

19.76 x 0.06 = 1.19

now sales taxes plus all the items

19.76 + 1.19 = 20.95

3 0
3 years ago
The side lengths of a triangle are 8x+6, 5x-5, and -6x+12. Write an expression to calculate the perimeter of the triangle. (Note
Leno4ka [110]

just sum them all,

(8x+6)+(5x-5)+(-6x+12) = 7x+13

8 0
4 years ago
Read 2 more answers
6.02 math i need an answer
Katarina [22]
It is A.) or the top left answer.


4 0
3 years ago
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