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mariarad [96]
2 years ago
9

I WILL MARK BRAINLIEST IF THIS IS ANSWERED IN LESS THAN 30 MIN.

Mathematics
1 answer:
Luden [163]2 years ago
3 0

Answer: 9.5

Step-by-step explanation:

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Jose runs 3 mikes in 28 minutes. At the same rate, how many miles would he run in 42 minutes?​
My name is Ann [436]

Answer:

4.5 \: miles

Step-by-step explanation:

3 \: miles \: in \: 28 \: minutes.

x \: miles \: in \: 42 \: minutes.

28x=42 \times 3

28x=126

\frac{28x}{28}=\frac{126}{28}

x=\frac{9}{2}

8 0
3 years ago
Read 2 more answers
Given that A=27, B=43 and c=17, solve triangle ABC to the nearest hundredth
katrin2010 [14]
When we are given 3 sides, we try to solve the angles first by using the
law of cosines
cos (A) = [b^2 + c^2 - a^2] / (2 * b * c)
cos (A) = [43^2 + 17^2 -27^2] / (2 * 43 * 17)
cos (A) = [1,849 + 289 -729] / <span> <span> <span> 1,462
</span></span></span>cos (A) = 1,409 / 1,462
cos (A) = <span> <span> <span> 0.96374829001368
Angle A = 15.475

Now that we have one angle, we next can use the
Law of Sines
sin(B) / side b = sin(A) / side a
sin(B) = sin(A) * sideb / sidea
</span></span></span><span>sin(B) = sin(15.475) * 43 / 27
</span><span>sin(B) = 0.26682 * 43 / 27
sin (B) = </span><span>0.424935555555</span>
Angle B = 25.147 Degrees
Remember the arc sine (<span>0.424935555555) also equals </span> <span> <span> <span> 154.85

</span></span></span>Finally, calculating the third angle is quite easy
Angle C =  180 - Angle (A) - Angle(B)
Angle C =  180 - 15.475 - 154.85
Angle C =  9.675

Source:
http://www.1728.org/trigtut2.htm


6 0
2 years ago
I need some help........
Ad libitum [116K]

Answer:

Do you know any moderators I need one

Step-by-step explanation:

6 0
3 years ago
5. Which number lies between -5 and -6 on a number line? *
jeyben [28]
The answer is B because -26/5= -5.2
3 0
2 years ago
A student has a 2% salt water solution and a 7% salt water solution. To best imitate salt water at a local beach, he needs 1 lit
Aleks04 [339]

Answer:

The percent values were written incorrectly in the equation.

The amount of 7% solution should be written as 1 – x, not x – 1.

Step-by-step explanation:

a and b

4 0
2 years ago
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