All categories

2 years ago

Multiply. Just multiply the decimals. Please?

Mathematics

2 answers:

Alex17521 [72]2 years ago

5 0

1) 0.009

2) 0.294

3) 0.0612

4) 33.62

5) 26.46

6) 1.824

Finger [1]2 years ago

4 0

1) 0.009

2) 0.294

3) 0.0612

You might be interested in

5 (2x + 10) = 50<br> What is the answer

KATRIN_1 [288]

9514 1404 393

Answer:

x = 0

Step-by-step explanation:

You can eliminate parentheses and subtract 50.

5(2x +10) = 50

10x +50 = 50 . . . . use the distributive property

10x = 0 . . . . . . . . . subtract 50 from both sides

x = 0 . . . . . . . . . . . divide by 10

<em>Check</em>

5(2·0 +10) = 50

5(10) = 50 . . . . true

5 0

2 years ago

Multiply.<br> (3b-5) (7b+1)<br> Simplify your answer.

mylen [45]

<h3>Answer:</h3>

It would be 21b² -32b -5

<h3>Step-by-step explanation:</h3>

By using the FOIL method, you can simplify the equation.

<em>The Foil Method is </em><u><em>ac + ad + bc +bd</em></u><em>, or </em><u><em>First, Outer, Inner, Last.</em></u>

First, you multiply the first term in each bracket.

3b * 7b = 21b²

Next, you multiply the outer term in each bracket.

3b * 1 = 3b

Then, you multiply the inner term in each bracket.

-5 * 7b = -35b

After that, you multiply the last term in each bracket.

-5 * 1 = -5

Lastly, you combine like terms.

21b² + 3b -35b -5 ---> 21b² -32b -5

<em>21b² -32b -5 would be your answer, since you cannot simplify the equation anymore.</em>

7 0

2 years ago

Which of these triangle pairs can be mapped to each other using a reflection and a translation?

Irina18 [472]

You're welcome you didn't take the full question

4 0

2 years ago

Calculate the value of the following determinants: | 1 -1 3 2 5 0 -3 1 2 | and | -1 -8 2 9 1 0 4 1 2 |

vitfil [10]

Answer:

1) The determinant = 65

2) The determinant = 152

Step-by-step explanation:

Let us show how to find the determinant of a matrix

You can find the determinant of this Matrix $\left[\begin{array}{ccc}a&b&c\\d&e&f\\g&m&n\end{array}\right]$

by using this rule

Determinant = a(en - fm) - b(dn - fg) + c(dm - eg)

Let us use this rule with the given matrices

$\left[\begin{array}{ccc}1&-1&3\\2&5&0\\-3&1&2\end{array}\right]$

The determinand = 1[(5)(2) - (0)(1)] - (-1)[(2)(2) - (0)(-3)] + 3[(2)(1) - 5(-3)]

= 1[10 - 0] - (-1)[4 - 0] + 3[2 - (-15)]

= 1[10] + 1[4] + 3[2+15]

= 10 + 4 + 3[17]

= 10 + 4 + 51

= 65

The determinant = 65

Let us do the second one

$\left[\begin{array}{ccc}-1&-8&2\\9&1&0\\4&1&2\end{array}\right]$

The determinand = -1[(1)(2) - (0)(1)] - (-8)[(9)(2) - (0)(4)] + 2[(9)(1) - 1(4)]

= -1[2 - 0] - (-8)[18 - 0] + 2[9 - 4]

= -1[2] + 8[18] + 2[5]

= -2 + 144 + 10

= 152

The determinant = 152

6 0

3 years ago

The area of a rectangular city park is 25/54 square miles. The length of the park is 5/9 mile. What is th width, in miles, of th

wolverine [178]

Answer:

0.833 miles

Step-by-step explanation:

Because you know the area, you can use the formula for area of a rectangle. Just plug in what you know and solve.

$\frac{25}{54} = \frac{30}{54}w$

30/54 is the same as 5/9.

$(\frac{25}{54})54 = (\frac{30}{54}w)54$

Multiply by its denominator.

$25=30w$

Simplify

$25/30=30w/30$

Divide by 30

$w=\frac{5}{6}$

5/6 is roughly 0.833

7 0

2 years ago