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4 years ago

Why is 2 + (−3) equal to −1?

Mathematics

2 answers:

natali 33 [55]4 years ago

7 0

Answer:

The answer is D.

Step-by-step explanation:

On a number line

:-Adding a positive number means moving to the right

-Adding a negative number means moving to the left

basically the easiest way to explain is pretend to have a point at -3 if you move it to the right 2 times your point will now be at -1.

lord [1]4 years ago

6 0

Answer:

Because it is 3 units to the left of 2 on a horizontal number line. (first answer)

Step-by-step explanation:

when you substract you take the number your substracting and move it to the left of the number line the number your substracting.

In this case you have 2 and you substract 3 so from 2 you move 3 spaces from the numberline to the left

Which is the first one.

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Anna11 [10]

Answer:

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Step-by-step explanation:

so you have to write it all the way and then divide with the denominator then shift the numerator on the other side of the numerator

5 0

3 years ago

What does x equal with this equation <br> x/6-33= -27

Dafna11 [192]

X/6-33=-27
-27+33=6
x/6=6
6x6=36
X=36

5 0

2 years ago

Read 2 more answers

Can someone help me with this question ? Show steps please

jek_recluse [69]

Answer:

B) $\boxed{A_T=108\;in^2}$

Step-by-step explanation:

That is a triangular prism and thus, it has two bases that are triangles, in this case, right triangles, whose hypotenuse is 5 in. long and one of its legs is 4 in. and the other one, 3 in.

The first step is to find the area of both bases like this:

$A_B=2\left(\dfrac{b\cdot h}{2}\right)=b\cdot h=4\cdot 3\\\\ \boxed{A_B=12\;in^2}$

The second step is to get the lateral area, which is compound of three rectangles, hence the process is the following:

$A_L=b_1\cdot h_1+b_2\cdot h_2+b_3\cdot h_3\\A_L=8\cdot3+8\cdot4+8\cdot5\\A_L=24+32+40\\\boxed{A_L=96\;in^2}$

Finally, we sum both of the areas found to calculate the total area.

$A_T=A_B+A_L\\A_T=12+96\\\boxed{A_T=108\;in^2}$

So, the answer is option B).

4 0

3 years ago

When writing numbers in base 10, we only allow coefficients of 0 through 9. Why is that?

puteri [66]

Because its single digits

8 0

3 years ago

The circumference of a circle is 12(pi) ft. What is the radius of the circle?

LenaWriter [7]

Answer:

6 feet

Step-by-step explanation:

The circumference (C) of a circle is calculated as

C = 2πr ← r is the radius, thus

2πr = 12π ( divide both sides by 2π )

r = $\frac{12\pi }{2\pi }$ = 6

6 0

3 years ago