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3 years ago

Match the subtraction expression with the corresponding addition expression. −9−5

Mathematics

1 answer:

Anarel [89]3 years ago

4 0

Answer:

-9+(-5)

Step-by-step explanation:

This expression is correct because it has the same answer as the one you have wrote. Positive times negative is negative. Enjoy! :D

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Is 12:30 equivalent to 16:40

Anvisha [2.4K]

If the difference (i.e. subtraction) between the two values is zero, then the answer is yes, they are the same . . .

16:40 = 16 hours and 40 min
12:30 = 12 hours and 30 min

(16h + 40m) - (12h + 30m)

(16h - 12h) + (40m - 30m)

(4h) + (10m)

4h + 10m

4:10 > 0:00 . . . so the answer is no, they are not the same

5 0

3 years ago

Read 2 more answers

Increase £120 by 35%

Natalka [10]

Answer:

£162

Step-by-step explanation:

Let's first find 35% of £120.

35% here is our multiplier, so we can turn it into a decimal (0.35) in order to use it in our sum.

£120 × 35% = £42

Now add £42 to £120.

£120 + £42 = £162

Super simple!

7 0

3 years ago

Read 2 more answers

What is wrong with the following equation 4+(10/5) equals 6-2

zheka24 [161]

4+(10/5)=6
6-2=4

The two aides aren't equal.

4 0

4 years ago

5. Which expression is a factor of x2 -5x - 6? A B x - 6 x-2 c x-3 1

noname [10]

Answer:

The answer is B

Step-by-step explanation:

6 0

3 years ago

PLEASE HELP BRAINLY - which option is correct?

LuckyWell [14K]

Answer:

$y > \frac{2x}{3} + 1$

Step-by-step explanation:

Given:

The graph in the attachment where the coordinates are (3,3) and (-3,-1)

Required:

Which inequality represent the graph

The first step is to determine the slope of the graph

$m = \frac{y_2 - y_1}{x_2 - x_1}$

Where m represents the slope, $(x_1, y_1) = (3,3)$ and $(x_2, y_2) = (-3,-1)$

$m = \frac{-1 - 3}{-3 - 3}$

$m = \frac{-4}{-6}$

Simplify to lowest term

$m = \frac{2}{3}$

Next is to determine the equation of the line using the slope formula

$m = \frac{y - y_1}{x - x_1}$ , $(x_1, y_1) = (3,3)$ and $m = \frac{2}{3}$

$\frac{2}{3} = \frac{y - 3}{x - 3}$

Cross multiply

$2 * (x - 3) = 3 * (y - 3)$

Open both brackets

$2 x - 6 = 3y -9$

Collect like terms

$2 x - 6 +9= 3y$

$2 x+3= 3y$

Divide through by 3

$\frac{2x}{3} + \frac{3}{3} = \frac{3y}{3}$

$\frac{2x}{3} + 1 = y$

Reorder

$y = \frac{2x}{3} + 1$

Next is to determine the inequality sign

The dotted lines on the graph shows that the inequality sign is either > or <
Since the shaded region is the upper part of the graph, then the > inequality sign will be considered,

The inequality becomes

$y > \frac{2x}{3} + 1$

7 0

3 years ago