125 feets in 5 minutes

Answers

Answer 1

Answer: Therefore the speed is
125 feet / 5 minutes
25 feet/min

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Math question will give brainliest for the right answer

Answers

Answer:

53 sweets.

Step-by-step explanation:

The mean out of 10 bags of sweets is 42. That means that all the numbers of sweets added up would be 420.

39 + 40(2) + 41(5) + 43 + x = 420

39 + 80 + 205 + 43 + x = 420

367 + x = 420

x = 53.

So, in the 10th bag, there are 53 sweets and a sugar high for whoever eats that many sweets.

Hope this helps!

Answer:

X=53 sweets

Step-by-step explanation:

80 POINTSSolve for x. Use the completeing the square method. x^2+8x=7

Answers

Answer:

x = -4 ±√23.

Step-by-step explanation:

x^2 + 8x = 7

(x + 4)^2 - 16 = 7

(x + 4)^2 = 23

x + 4 = ±√23

x = -4 ±√23.

Answer: The correct answer is C.

Step-by-step explanation:

⇒ $x^(2) +8x+16$

⇒ which is also, $(X+4x^(2) ) = 23$

⇒ So, $x + 4$ is a square root of 23.

⇒ Then, it could be positive or negative one:

So that's why the answer would be C.

* Mark me the Brainliest:)) Hope this helps:)

Maria invested $450 in a savings account and earned $126 in interest at the end of 7 years.What was the interest rate?

A.
3.5%

B.
4%

C.
4.5%

D.
5%

Answers

The interest rate is B. 4%

Given:
Principal = 450
Interest = 126
term = 7
rate = ?

Simple Interest is computed by multiplying the Principal, rate, and term.

Interest = P × r × t

126 = 450 × r × 7
126 = 3150r
r = 126/3150
r = 0.04 x 100% = 4%

To check:

I = 450 × 0.04 x 7
I = 18 × 7
I = 126

How do u simplify these radicals???

Answers

1. √48 → √16 * √3  =  4√3

3. √12 → √4 * √3 = 2√3

7. √125  → √25 * √5 = 5√5

8. √20  →  √4 *  √5 = 2√5

9.  √18  →  √9 *  √2 = 3√2

10. √32  →  √16 *  √2 = 4√2

11.  √50  →  √25 *  √2 = 5√2

12.  √27  →  √9 * √3 = 3√3

-1 1/3+-3/5? Please help

Thank you