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Gekata [30.6K]
3 years ago
13

Subtract - 20 from - 25.

Mathematics
2 answers:
Nadya [2.5K]3 years ago
8 0

Answer:

-5.

Step-by-step explanation:

- 25 - (-20)       Note:   - * - = +  so

= -25 + 20

= -5.

I am Lyosha [343]3 years ago
6 0

Answer: -45

they have the same sign so you add them together and keep the sign

“same sign, add and keep (the - or + sign)

different signs, subtract

keep the sign of the bigger number

then you’ll be exact”

Step-by-step explanation:

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The approximate distance between J and K is units. The approximate distance between K and L is units. The approximate distance b
Dima020 [189]
Count the distance d, which gives you 7.

Use Pythogarean theorem to find c:
{a}^{2}  +  {b}^{2}   =   {c}^{2}
Plug in the numbers:
{4}^{2}  +  {3}^{2}  =  {c}^{2}   \\  \\ = 16 + 9  \\  \\ = 25 \\  \\ c =  \sqrt{25}  = 5
c is 5.

Same thing with g:
{e}^{2}  +  {f}^{2}  =  {g}^{2}  \\  \\    {g}^{2} = {4}^{2}  +  {4}^{2}  \\  \\  = 16 + 16 \\  \\  = 32 \\  \\ g =  \sqrt{32} = 4 \sqrt{2}  = 5.66
g equals 5.66.

7 0
3 years ago
Rose spent 124 on 10 cars & 4 cats what is the cost for 1 car & 1 cat.
Rudiy27

Answer:

$6 per cat, $10 per car

Step-by-step explanation:

I guess and checked my work.

4 0
3 years ago
The graph below shows two polynomial functions, f(x) and g(x): Graph of f of x equals x squared minus 2 x plus 1. Graph of g of
IceJOKER [234]

9514 1404 393

Answer:

  (c)  f(x) is an even degree polynomial with a positive leading coefficient.

Step-by-step explanation:

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  g(x): x³ (odd degree, positive coefficient: 1)

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"Suppose that you are a city planner who obtains a sample of 20 randomly selected members of a mid-sized town in order to determ
frosja888 [35]

Answer: 2.093

Step-by-step explanation:

As per give , we have

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Degree of freedom : df= n-1=19

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Since , the sample size is small (n<30) so we use t-test.

For confidence interval , we find two-tailed test value.

Using students's t-critical value table,

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Thus, the critical value for the 95% confidence interval = 2.093

4 0
3 years ago
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