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2 years ago

Which of the following is a correct interpretation of the expression - 3 - 5?

Mathematics

1 answer:

Lady bird [3.3K]2 years ago

6 0

9514 1404 393

Answer:

see below

Step-by-step explanation:

As a rule, when working sums on a number line, the first listed number is the one where you start. Here, it is -3, so we start at -3 on the number line.

From there, we want to subtract 5, an operation that requires we move 5 units to the left.

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Simplify 3 - (4x - 5) + 6. A) 12x + 21 B) 4x + 14 C) 4x + 4 D) -4x + 14

stepladder [879]

Answer:

D) -4x+14

Step-by-step explanation:

We are given with the expression

3 - (4x - 5) + 6

Here we are going to open the bracket at first step

as we have a negative sign in front of bracket the signs of the terms inside brackets will be reversed

3-4x+5+6

now we bring the like terms together

3+5+6 - 4x

Here 3, 5, 6 all are constant and hence like

14-4x

3 - (4x - 5) + 6= -4x+14

Hence our answer is -4x+14

6 0

2 years ago

PLEASE HELP

polet [3.4K]

Answer:

Hope it helps you

thanks

5 0

2 years ago

If Sam kicks a soccer ball that has a mass of 10 kg with an acceleration of 22 meters per second squared, what is the force he k

MrMuchimi

Answer:

220 i think but im not sure

Step-by-step explanation:

4 0

2 years ago

Need help math equations work shown

9966 [12]

Answer:

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Step-by-step explanation:

5 0

2 years ago

The base of a triangle is nine centimeters longer than the perpendicular height. If the area of the triangle is 180 square centi

Rom4ik [11]

Answer:

The base is 24 cm long.

Step-by-step explanation:

Equations

Let's call

b= base of the triangle

h=height of the triangle

The base is 9 cm longer than the height, thus:

b = h + 9

The area of the triangle is:

$\displaystyle A=\frac{bh}{2}$

$\displaystyle A=\frac{(h+9)h}{2}$

And its value is 180:

$\displaystyle \frac{(h+9)h}{2}=180$

Multiplying by 2:

$(h+9)h=360$

Operating:

$h^2+9h-360=0$

Factoring:

$(h-15)(h+24)=0$

The only valid positive solution is:

h = 15 cm

And b = h + 9 = 24

b = 24 cm

The base is 24 cm long.

7 0

2 years ago