3 years ago

PLEASE HELP! WILL MARK BRAINLIEST! (Question below with answers)

Mathematics

1 answer:

Montano1993 [528]3 years ago

8 0

First box, third box, fifth and also sixth =D

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After sailing 12 mi, a sailor changed direction and increased the boat's speed by 4 mph. an additional 18 mi was sailed at the i

inessss [21]

Let the speed for the first 12 mi be x mi/h, the speed for 18 mi was (x+4) mi/h
thus given that
time=distance/speed
the average time will be:
3=(12+18)/(x+x+4)
3=30/(2x+4)
solving for x we get
3(2x+4)=30
6x+6=30
6x=24
x=4 mi/hr
Answer: 12 mi/hr

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If the measure of Angle AXC=8x-7 and Angle AXB = 3x+10 find the measure of ANGLE AXC

mafiozo [28]

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The production of what number and 7 is less than 49

MArishka [77]

Many numbers, when multiplied by $7$ , are less than $49$ . We can find an inequality for numbers $x$ that are sufficient.

Clearly, $7x < 49$ is the desired inequality. We divide by 7 to find that $x < 7$ determines working numbers.

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2 years ago

What is the solution to the equation

Firdavs [7]

3c/5-1/2=-31/2 Add 1/2 both sides
+1/2 +1/2
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(5)3c/5=-15(5) Multiply 5 both sides
3c=75 Finally, divide by 3 both sides
c=25
So the answer to your question is E.

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2 years ago