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4 years ago

Write an expression that shows how to multiply 4x362 using place value and expanded form

Mathematics

1 answer:

igomit [66]4 years ago

5 0

4x300+4x60+4x2
1200+240+8
1448

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Plss help im bad at math:v 100 points!

vlabodo [156]

$\mathbb{MY \: ANSWER}$

35.A

36.C

37.B

38.B

39.D

Step-by-step explanation:

Hope it helps

5 0

3 years ago

Shoes were 20% off the sale price was 19.60 what is the original price?

Amanda [17]

I believe the answer is 23.52 because if u add 19.60 to 20% thats what u get

6 0

3 years ago

Which two values of x are roots of the polynomial below?

Julli [10]

Answer:

B. and C.

Step-by-step explanation:

1. Set the polynomial equal to zero:

x² + 5x + 7 = 0

2. Plug the given values of a, b, and c into the quadratic formula:

$x=\frac{-5+-\sqrt{5^{2}-4(1)(7) } }{2(1)}$

3. Solve the square root:

$x=\frac{-5+-\sqrt{25-4(1)(7)} }{2(1)}$

$x=\frac{-5+-\sqrt{25-28} }{2(1)}$

$x=\frac{-5+-\sqrt{-3} }{2(1)}$

4. Simplify the rest:

$x=\frac{-5+-\sqrt{-3} }{2}$

5. Separate the solutions:

$x=\frac{-5+\sqrt{-3} }{2} , x=\frac{-5-\sqrt{-3} }{2}$

Thus, options B and C are the answers.

hope this helps!

4 0

2 years ago

Find the value of y.

Natali [406]

Answer:

y=7

Step-by-step explanation:

The two given angels are congruent so they must be equal in measure.

Set them up equal and find y.

8y = 5y + 21, subtract 5y from both sides

8y -5y = 21, combine like terms

3y = 21, divide both sides by 3

y = 7

7 0

2 years ago

Whats the answer? A, B, C, or D?

Firdavs [7]

The answer is the second choice.

P (pounds) = 5D (Dollars)

Hope this might help!

3 0

4 years ago