4 years ago

Convert this number to a percent. .000103 = _____

Mathematics

1 answer:

tangare [24]4 years ago

3 0

The answer should be 0.0103%.

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David is visiting his aunt for the Thanksgiving weekend. He drove 60% of the trip at 40 mph and the rest at ‘x’ mph. The average

Brut [27]

Answer:

D. 80 mph

Step-by-step explanation:

d- distance

d/50= 0.6d/40+0.4d/x
1/50= 0.3/20+0.4/x
0.4/x= 0.02- 0.015
x= 0.4/0.005
x= 80 mph

4 0

3 years ago

Read 2 more answers

Which ordered pair in the form (x,y) is a solution of this equation? 7x-5=1

leva [86]

ANSWER

B. (-2,-3)

EXPLANATION

The given equation is

$7x - 5y = 1$

We want determine which of the ordered pairs is a solution to the given equation.

For point A(-3,-2)

$7( - 3) - 5( - 2) = 1$

$- 21 + 7 = 1$

This statement is false.

For option B(-2,-3)

We have

$7( - 2) - 5( - 3) = 1$

$- 14 + 15 = 1$

For option C(0,4)

We have

$7(0) - 5(4)=1$

$0 - 20=1$

For option D(4,0)

We have

$7(4) - 5(0)=1$

$28 - 0=1$

This statement is false.

8 0

4 years ago

Solve for x to find how long (in hours) it takes the submarine to descend to the seafloor 2100 feet below the surface. SHOW WORK

zubka84 [21]

Answer:

x=35/4

Step-by-step explanation:

S1- Divide both sides of the equation by the same term

-2100=-240x

-2100/-240=-240x/-240

S2- Simplify

DIvide #

Cancel terms

Move the variable to the left

x=35/4

8 0

2 years ago

Read 2 more answers

I need help please.

pshichka [43]

Answer:

Step-by-step explanation:

3 0

3 years ago

Find the value of x ?!??

goldfiish [28.3K]

Answer:

x=4

Step-by-step explanation:

Pentagon's sum of interior angle is 540°

let's add all the given degrees

100+20x+16x+16+140+160-5x=540

Collect like terms

100+16+140+160+20x+16x-5x=540

416+31x=540

31x=540-416

31x=124

x=124/31

x=4```

5 0

3 years ago