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user100 [1]
2 years ago
15

Which number line best shows how to solve -4- (-8)

Mathematics
1 answer:
timama [110]2 years ago
3 0

Answer:

A

Step-by-step explanation:

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PLEASE HELP ME I NEED HELP
GarryVolchara [31]

Answer:

13 is c

Step-by-step explanation:

to find the  length of a diagonal, pretend as if you are finding the hypotenuse of a triangle.

5^2 + 12^2 = c^2

25 + 144 = 169

the square root of 169 is 13

5 0
3 years ago
Find the sum of the first 21 terms of the sequence 5,9, 13, 17, 21, ...
Scorpion4ik [409]
21(5+85)/2= 21•45= 945
8 0
3 years ago
You borrowed $25 from your friend. You paid him back in full after 6 months. He charged $2 for interest. What was the annual sim
Paraphin [41]
\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\to &\$2\\
P=\textit{original amount}\to& \$25\\
r=rate \\
t=years\to &\frac{1}{2}
\end{cases}

bearing in mind, "t" is in years, 6months is just 1/2 year

solve for "r", you'd get a decimal amount, multiply times 100, to get the percentage form
5 0
3 years ago
Read 2 more answers
Which equation represents the standard form of f(x)?
blondinia [14]

Step-by-step explanation:

step 1. the standard form of a quadratic equation is f(x) = ax^2 + bx + c

step 2. since they are all in standard form you need to provide more information.

5 0
3 years ago
Can somebody help me please ​
frozen [14]

Answer:

lets use X as a number

(x×2)+(x)+(x-40)

4 0
3 years ago
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