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4 years ago

What ratio is equivalent to 4:5 A. 10/15 B. 4/10 C. 16/20 D. 15/8

Mathematics

2 answers:

laila [671]4 years ago

8 0

The answer is C 16:20 because both numbers 4&5 are multiplied by four

Dmitry_Shevchenko [17]4 years ago

4 0

Answer: C. 16/20

Step-by-step explanation:

Because 4/5 *2/2 =16/20

And there's your answer.

Hopes this helps.

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Equation of a line through (-1,-10) which is parallel to the line y=4x+3 has (need the slope and y intercept ) please help

valina [46]

Parallel lines have the same slope but different y intercepts

Slope: 4
y=4x+b
this is the new equation, plug in the point
-10=4(-1)+B
-10=-4+B
add 4
-6=B

Y intercept= -6
slope; 4

8 0

4 years ago

An arithmetic sequence has this recursive formula:

horsena [70]

Answer:

$\text{\bf{C.}}\quad a_n=4+(n-1)(-7)$

Step-by-step explanation:

An arithmetic sequence that is described by the explicit formula ...

$a_n=a_1+(n-1)d$

can also be described by the recursive formula ...

$\left \{\begin{array}{l}a_1=\text{(first term)}&a_n=a_{n-1}+d&\end{array}\right.$

Matching parts of the formulas, we see that a1 = 4, d = -7. Putting these values into the explicit formula gives ...

$a_n=4+(n-1)(-7)$

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3 years ago

Tom has a fair spinner with six sides.

77julia77 [94]

Answer:

likely ❤️❤️❤️❤️❤️❤️❤️

3 0

3 years ago

Find the <br>-5/8 -- 3/10

maw [93]

I’m not for sure of the answer but i do know that the two subtractions in the middle would turn into a + and i think you add the -5/8 + 3/10

6 0

3 years ago

Can u help me with this

Tanzania [10]

1. x^2 + x - 90

2. (x+10)(x-1)

3. x= -10 and 1

4 0

3 years ago

Read 2 more answers