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3 years ago

Simplify 5-2•3+4 A)13 B)-5 C)3 D)21

1 answer:

7 0

You will want to follow PEMDAS there is no parentheses there is also no exponents so we do multiplication first
2*3 is 6
5-6+4
There is no division skip that, we do addition first
6+4 is 10
5-10 is -5
Therefore your answer is B.-5

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The line graphed below has a slope of ____. -3 -1/3 1/3 3

goblinko [34]

The line drops 3 squares for each one it moves to the right, so the slope is
.. -3/1 = -3

The 1st selection is appropriate.

_____
Given the choices, you can tell at a glance that -3 is the correct one. When it goes down to the right, the slope is negative. when the angle is steep, the slope has a magnitude greater than 1. Of the negative choices offered, {-3, -1/3}, the obvious choice is -3.

A line has a slope of ±1 when it makes a 45° angle with the x- and y-axes. Steeper than that is a slope whose magnitude is greater than 1. Shallower than that, and the slope has a magnitude less than 1.

8 0

3 years ago

Read 2 more answers

During migration 450000 sandhill cranes stop rest in nebraska. about 0.6% of these cranes also stop in to rest in oregon. about

Nastasia [14]

Answer:

2700, my friend. :P

5 0

3 years ago

Write an equation that gives the overall equilibrium constant in terms of the equilibrium constants and . If you need to include

shutvik [7]

Answer:

The answer is " $k=k_1k_{2}^2$ "

Step-by-step explanation:

For point 1:

$4NHH_3 \ (g) +5O_2\ (g) \leftrightharpoons 4NO\ (g) +6H_2O \ (g)..................k_1\\\\$

For point 2:

$2 \times(2\ NO\ (o)+O_2 \ (g) \leftrightharpoons 2NO_2\ (g)) ..................K_2\\\\$

Adding $k_1$ equation and multiply by 2 in the equation $k_2$ so we get $\to 4NH_3\ (g) +7 O_2\ (g) \leftrightharpoons 4 NO_2\(g) +6H_2O\ (g)....... k\\\\k= k_1\times k_{2}^2\\\\k=k_1k_{2}^2\\\\$

3 0

2 years ago

I need help pleace

Whitepunk [10]

Answer

length = width + 15

Area = length * width; area is 54 square feet.

Two equations are:

L = W + 15

L * W = 54

To solve, we substitute first equation into second equation:

(W + 15) * W = 54

w^2 + 15w = 54

w^2 + 15w - 54 = 0

(w+18)(w-3) = 0

w = -18 or 3

The width cannot be negative, so 3 is the width and since length is 15 more than width, length is 18:

Length = 18 feet

Width = 3 feet

7 0

3 years ago

Please help me answer this I don't understand, I would really appreciate how you solved it as well.

abruzzese [7]

Answer: Parallel

Step-by-step explanation:

Set your -2x+10y=5 equation equal to y

-2x+10y=5

-10y -10y

-2x=5-10y

-5 -5

-2x-5+-10y

-10 -10 -10

-1/5x-1/2=y

Now you can put your equations into your graphing calculator and examine the lines made

(if you dont have one search up online graphing calculator on google or your app store)

5 0

3 years ago