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3 years ago

How long will it take u to drive 225 miles at a speed of 25 mph

Mathematics

1 answer:

Tema [17]3 years ago

4 0

225 miles / 25 mph = 9 hours

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Solve 4sin^2 x-3=0 find two values of sinx that satisfy this equation

Leviafan [203]

$4 sin^{2} x-3=0 \\ 4 sin^{2} x=3 \\ sin^{2} x= \frac{3}{4} \\ sinx= \pm \sqrt{ \frac{3}{4} } \\ sinx= \frac{ \sqrt{3} }{2} \ or \ sinx=- \frac{ \sqrt{3} }{2} \\ x= \frac{ \pi }{3} , \ \frac{2 \pi }{3} , \ \frac{4 \pi }{3} , \ \frac{5 \pi }{3}$

5 0

3 years ago

Helpp WITH 2ND AND 4TH LINE !

Helen [10]

Answer:

1. x= 11.2

2. x= 8

Step-by-step explanation:

$124+5x=180\\-124 -124\\5x=56\\\frac{5x}{5} = \frac{56}{5} \\ x=11.2$

Check:

$124+5(11.2)=180\\124+56=180\\180=180$

$7x-6=50\\+6 +6\\7x=56\\\frac{7x}{7} = \frac{56}{7} \\x=8$

Check:

$7(8)-6=50\\56-6=50\\50=50$

3 0

3 years ago

Read 2 more answers

Please helppppppp<br> Thank you

kumpel [21]

Answer:

y=x+2

Step-by-step explanation:

The y-int is 2

The slope is x because you go up one and one to the right

6 0

3 years ago

What dose data set mean

ipn [44]

By definition it means, <span>a collection of related sets of information that is composed of separate elements but can be manipulated as a unit by a computer. Basically it's all the numbers.

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3 0

3 years ago

4. Kim neede 3 cups of sugafod every

sdas [7]

Answer:2

Step-by-step explanation:

1+1=2

5 0

3 years ago