Which product is negative? A.

–3 • 5 • (–6) • 4

B.

–7 • (–3) • (–9) • 0

C.

–4 • (–6) • (–3) • (–5)

D.

–3 • 4 • (–2) • (–7)

Answers

Answer 1

Answer: Negative times a Negative = Positive
Positive times a Positive = Positive
Negative times a Positive = Negative
Positive times a Negative = Negative

Option A:

Negative * Positive * Negative * Positive

Negative * Negative * Positive

Positive * Positive

Positive

Option B:

Anything times 0 is 0, this is incorrect.

Option C:

Negative * Negative * Negative * Negative

Positive * Negative * Negative

Negative * Negative

Positive

Option D:

Negative * Positive * Negative * Negative

Negative * Negative * Negative

Positive * Negative

Negative

Therefore your answer is D.

Answer 2

Answer: the answer is d-( -168)

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Evaluate the expression -112/7+9

What times what equals 49

Answers

The number 7 times 7 will be equal to 49.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that there is the number 49. The number is the multiple of two numbers.

The product of the two numbers equal to 49 will be calculated as:-

E = 7 x 7'

E = 49

Therefore, the two numbers will be 7 and 7 whose product is equal to 49.

To know more about an expression follow

brainly.com/question/66244

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7 times 7 equals 49 7x7=49

julia saw 5 times as many cars as trucks in a parking lot. if she saw 30 cars and trucks altogether in the parking lot, how many were trucks?

Answers

5 times as many cars as trucks, means for every 5 cars, there is one truck.

So we can group 5 cars and 1 truck into 6
30 / 6 = 5 there are five groups of.... the group.

for each group, there is only 1 truck, and there were 5 groups.
Therefore, in the parking lot, there are total of 5 trucks.

5 trucks, 25 cars. 5x5=25 25+5=30.

Point (2, -4) is reflected across the x-axis. What are
the coordinates of its image?

Answers

The coordinates of the image of point (2 , -4) after reflection across

the x-axis is (2 , 4)

Step-by-step explanation:

Let us revise the reflection of a point

1. If point (x , y) reflected across the x-axis, then its image is (x , -y)

2. If point (x , y) reflected across the y-axis, then its image is (-x , y)

3. If point (x , y) reflected across the line y = x, then its image is (y , x)

4. If point (x , y) reflected across the line y = -x, then its image is (-y , -x)

∵ Point (2, -4) is reflected across the x-axis

∵ Point (x , y) reflected across the x-axis, then its image is (x , -y)

- Chang the sign of the y-coordinate of the point to find its image

∵ The y-coordinate of the point is -4

∴ The y-coordinate of the image is 4

∴ The image of the point (2 , -4) is (2 , 4) after reflection across the

x-axis

The coordinates of the image of point (2 , -4) after reflection across

the x-axis is (2 , 4)

Learn more:

You can learn more about reflection in brainly.com/question/5017530

#LearnwithBrainly

D. 47 1151 47 95
128 72
e, 28, 72
statements that are true solve each problem using number disks
as you 2. Circle the 127 46
68 51
I change 10 ones for 1 ten.
I change 10 ones for 1 ten.
I change 10 tens for 1 hundred.
I change 10 tens for 1 hundred.
The total of the two parts is 163.

Answers

10 tens for one 100. is this that common core b.s

Determine the slope of the graph of x^4=ln(xy) at the point (1,e)

Answers

Answer:

Answer is 3e.

Step-by-step explanation:

The slope is given by the derivative at the given point.

Differentiating:-

4x^3 = 1/xy *(x * dy/dx + y)

4x^3 = 1/y * dy/dx + 1/x

dy/dx = (4x^3 - 1/x) * y

At the point (1, e) x = 1 and y = e so substituting

slope at (1,e) = dy/dx = (4(1)^3 - 1/1) * e

= 3e (answer)

It is 3e. Differentiating x^4=ln(xy), we have to implicitly differentiate this.

$4x^(3)= (1)/(xy) \cdot (d)/(dx)(xy)$

The derivative of xy you have to use the chain rule.

$(d)/(dx)(xy)=x \cdot (dy)/(dx)+y$

So now it's

$4x^(3)=(y+(dy)/(dx) \cdot x)/(xy)$

Now we want the slope when x=1 and y=e

$4(1)^(3)=(e+(dy)/(dx))/(e)$

$4=(e+(dy)/(dx))/(e)$

$4=1+(dy)/(dx) \cdot (1)/(e)$

$(dy)/(dx)=3e$