3 years ago

Lori is choosing a snack from a box containing 5 bags of pretzels , 4 bags of Trail Mix , and 9 bags of almonds .

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

5 0

Im not sure what the question is asking but my guess would be c)18.

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R= 10,15,20 S=20,25 R u S =

dolphi86 [110]

The answer to the question

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3 years ago

Charlie wants to make a one-time investment in an account that earns 4% interest compounded quarterly. To earn $315,930 after 21

KIM [24]

Answer:

B. $136,960.54

Step-by-step explanation:

Rate = r = 4%

Times = b = 4

Future Value = A = $315,930

No. pf Years = n = 21

Present Value = P = ?

A = P [1 + (r / b)]ⁿᵇ

$315,930 = P [1 + (0.04 / 4]²¹ ˣ ⁴

$315,930 = P [1 + 0.01]⁸⁴

$315,930 = P [1.01]⁸⁴

$315,930 = P x 2.306723

P = $315,930 / 2.306723

P = $136,960.54

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3 years ago

8. The volume of a cylinder is 942 cubic feet.

ikadub [295]

The radius would be 5 ft

7 0

3 years ago

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Antwan used 12 yards of twine to wrap a tree, 16 feet of twine to wrap a stack of newspapers, and 18 inches of twine to hang a p

klasskru [66]

We cannot answer that without knowing how much he had originally.

8 0

3 years ago

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Factor this polynomial completely x2 + 3x – 18 A. (x-2)(x + 9) B. (x+3)(x-6) оо C. (x - 3)(x+6) D. (x - 3)(x-6)

Umnica [9.8K]

Answer:

C. $(x-3)(x+6)$

Step-by-step explanation:

I think the equation meant $x^2+3x-18$ ?

Anyways, to factor these kinds of quadratic, keep into consideration:

$ax^2+bx+c=(x+w)(x+v)$

ONLY if:

$w+v=b\\wv=c$

Start off by finding factors of c, which in this case, -18:

±(1, 2, 3, 6, 9, 18)

If one of the numbers is negative then the other number must be positive.

Find which two factors will sum up to b, which in this case, is 3.

$1+(-18)\neq 3\\2+(-9)\neq 3\\3+(-6)\neq 3\\6+(-3)=3\\9+(-2)\neq 3\\18+(-1)\neq 3\\$

The only two factors that work are 6 and -3.

Replace them into the factored form:

$(x+w)(x+v)\\(x+6)(x-3)\\(x-3)(x+6)$

3 0

2 years ago

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