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3 years ago

And ask questions,

Mathematics

1 answer:

Naddik [55]3 years ago

6 0

Answer:

707400

Step-by-step explanation:

i dont know

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Is -6 + -87 positive or negative?

drek231 [11]

Answer:

negative

Step-by-step explanation:

Brainliest me pls

Have a nice day!

3 0

3 years ago

a boat takes 4 hours to go 20 miles upstream.It can go 32 miles downstream in same time.Find the rate of the current and the rat

Zinaida [17]

Let

x---------> the rate of the boat in still water in mph

y--------> the rate of the current in mph

we know that

Upstream

$rate=\frac{20}{4} \\\\ rate=5mph$

$x-y=5$ equation $1$

Downstream

$rate=\frac{32}{4} \\\\ rate=8mph$

$x+y=8$ equation $2$

Adds equation $1$ and equation $2$

$x-y=5\\ x+y=8\\ -----\\ 2x=13\\ x=6.5mph$

Find the value of y

$x+y=8\\ y=8-x\\ y=8-6.5\\ y=1.5 mph$

therefore

the answer is

the rate of the boat in still water is $6.5 mph$

the rate of the current is $1.5 mph$

7 0

3 years ago

Read 2 more answers

A cubical dice is thrown two times, find the probability that the outcomes is 5 in first throw and odd number in second throw.

trapecia [35]

All the numbers present in cubical dice = 6

( 1 , 2 , 3 , 4 , 5 ,6 ) Total Outcomes = 6

Probability = Favorable outcomes / Total number of outcomes 

Probability that 5 will come in first throw :-

Favorable Outcomes = 1 

Favorable Outcomes = 1 Probability = 1/6

Probability that an odd number will come in second throw :-

Favorable Outcomes = 3

Probability = 3/6 ; 1/2

8 0

2 years ago

What is the value of X?

ANTONII [103]

$\sqrt{625}$ 7^2 is 49 and 24^2 567. add them both and you get

6 0

3 years ago

Read 2 more answers

Rick is buying a $115 tennis racquet from a sporting goods store. If the racquet is on sale for 35% off and sales tax is 8%, how

lapo4ka [179]

Answer:

$80.73

Step-by-step explanation:

115 * 0.35 = $40.25 off

115 - 40.25 = $74.75 after sale

add tax (0.08)

74.75 * 0.08 = $5.98 tax

74.75 + 5.98 = $80.73 in total

6 0

3 years ago