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3 years ago

Use parentheses to make each number sentence true 1+2×3+4=21

Mathematics

1 answer:

Nastasia [14]3 years ago

6 0

(1+2)(3+4)
1+2=3
3+4=7
7•3=21
There is an invisible multiplication sign between the two parentheses :).

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Simplify the expression: (7 times 18 plus 45) divided by 6

neonofarm [45]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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ASAP! find the slope of a line that is perpendicular to y=-1/2x+4

aliya0001 [1]

We know that :

Ф Product of the slopes of two lines perpendicular to each other should be equal to -1

Let the slope of the line perpendicular to given line be : M

Given equation of the line : y = -1/2x + 4

This line is in the form : y = mx + c, where m is the slope and c is the y intercept

Comparing with y = mx + c :

we can notice that slope of the given line is -1/2

⇒ M × -1/2 = -1

⇒ M × 1/2 = 1

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Answer : Slope of the line perpendicular to given line is 2

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3 years ago

Slope of (-2,-3) and (6,2)

alexira [117]

$\frac{5}{8}$ is the slope between these two points.

To figure out the slope between two points, we need to find the rise over run, which is the change in the y value over the change in the x value. This becomes:

$\frac{2 - (-3)}{6 - (-2)}$

And simplifies to:
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3 years ago

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Yanka [14]

1) 4
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3) 16
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3 years ago

Use parentheses to make each number sentence true 1+2×3+4=21​

Use parentheses to make each number sentence true 1+2×3+4=21