3 years ago

-3 - 8+ (-4) what is the answer??

Mathematics

2 answers:

Masja [62]3 years ago

7 0

The answer to -3-8+(-4) is -15

olchik [2.2K]3 years ago

3 0

Answer:

-15

Step-by-step explanation:

add 3 and 8=11, than add -4= -15

You might be interested in

work out the circumfrance of this cirlce take pi to be 3.142 and write down all the digits given by your calculator raduis 10cm

Simora [160]

Answer:

$C=68.4$

Step-by-step explanation:

$Circumference=2\pi r$

Pi = 3.142

r (radius) = 10 cm

$C=2(3.142)(10)$

$C=(6.84)(10)$

$C=68.4$

Therefore, circumference of a circle with 10 cm radius is <u>68.4.</u>

<em>I hope this helps......</em>

5 0

3 years ago

If A+B = 76 & A -B = 38 What is A/B?

Igoryamba

$A+B=76\\
A-B=38\ \ --->\ \ A=38+B\\\\
38+B+B=76\\
38+2B=76\ \ | subtract\ 38\\2B=38\ \ \ | divide\ by\ 2\\
B=19\\A=57\\\\
\frac{A}{B}=\frac{57}{19}=3$

3 0

4 years ago

Read 2 more answers

Find the surface area of a sphere with a radius of 10 in. Express your answer in terms of π.

Sati [7]

Given:

Radius of the sphere = 10 in

To find:

The surface area of a sphere

Solution:

Surface area of sphere:

$SA =4\pi r^2$

$SA =4\times \pi \times 10^2$

$SA=\pi \times 400$

$SA=400\pi$ in²

The surface area of a sphere is 400π in².

4 0

3 years ago

What are the roots of the quadric equation y=x^2-10x+125?

olganol [36]

5,100 um i’m not sure if that’s the answer you’re looking for

8 0

3 years ago

Emergency help PleaseILL MARK YOU BRAINLIST

Salsk061 [2.6K]

Answer:

240

Step-by-step explanation:

180 decided by 3 because 75% is 3/4 then you take that and add it to your original number

5 0

3 years ago

Read 2 more answers