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Arturiano [62]
2 years ago
14

Im drowning. pls help. ​

Mathematics
1 answer:
oksian1 [2.3K]2 years ago
7 0

Answer:

a.) (x-10)(x+4)

Step-by-step explanation:

x^2-6x-40

Find two numbers that add up to -6 and multiply to -40 (you will most likely need a negative and a positive because -40):

-10 and 4

Factor:

(x-10)(x+4)

Finito.

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10. Amelia is making friendship bracelets for a charity event. She wants to bring at least 623 bracelets to the (2 points)
Kaylis [27]

Answer:

119 bracelets

Step-by-step explanation:

623-28= 595

595/5 = 119

8 0
2 years ago
What is the area of a regual octagon with sides five times as long?
Ugo [173]

Answer:

A=2(1+2)a exponet 2

a Side

Step-by-step explanation:


7 0
3 years ago
Supposed five plain hamburgers cost the same as three super burgers. Also suppose that one super burger cost $.30 more than one
noname [10]

Answer:

1 plain = $0.75; 1 cheese = $0.95; 1 super = $1.25

Step-by-step explanation:

We have three conditions

(1) 5P = 3S

(2)  S = C + 0.30

(3)  P = C – 0.20                           Substitute (3) into (1)

=====

(4)   5(C – 0.20) = 3S                   Substitute (2) into (4)

      5(C – 0.20) = 3(C + 0.30)     Remove parentheses

         5C – 1.00 = 3C + 0.90       Add 1.00 to each side

                    5C = 3C + 1.90        Subtract 3C from each side

                    2C = 1.90                 Divide each side by 2

                      C = $0.95              Substitute C into Equation (2)

=====

                      S = 0.95 + 0.30

                      S = $1.25               Substitute C into Equation (3)

=====

                     P = 0.95 – 0.20

                    P = $0.75

1 plain = $0.75; 1 cheese = $0.95; 1 super = $1.25

3 0
3 years ago
Please help with explanation and show work :)
ANEK [815]
3. A=bh/2
2A=bh
h=2A/b.

8. Dy-Cx=E
Dy=E+Cx
y=(E+Cx)/D
3 0
2 years ago
Someone deleted every single one of my answer took away all of my hard earned points and my brainliest I want answers now that's
tankabanditka [31]

Answer:

Oh my goodness. I feel ya lol

Step-by-step explanation:

8 0
2 years ago
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