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MissTica
3 years ago
10

Darla can do a job in eight hours while Lonnie can do the same job in six hours. Both Darla and Lonnie work three hours on the j

ob. How much of the job is left to be finished
Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer:

Look below ⏬

Step-by-step explanation:

Darla 8h

Lonnie 6h

They both worked 3 hours now

subtract

8-3=5

6-3=3

Darla have 5 hours to finish

and...

Lonnie has 3 hours to finish

all together is 8 hours in all

Advocard [28]3 years ago
5 0

Answer:

Step-by-step explanation:

Time/work completed so far

Darla 3/8

Lonnie 3/6 = 1/2

Add together to get completed work so far to determine what's left.

1/2 = 4/8 to create common denominators

3/8 + 4/8 = 7/8 completed so therefore has 1/8 of the job remaining between the two of them.

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Jenny & Natasha are working on a problem together: Solve x/3 + 8 = −2. Natasha thinks the first step is to multiply by 3. Je
ratelena [41]

The individual that is correct is Natasha. This is because the answer can be gotten using Natasha's method

The given equation is  \frac{x}{3} + 8 = -2

<u><em>Solving the equation using </em></u><u><em>Natasha's</em></u><u><em> method </em></u>

the fist step is to multiply by 2

x + 24 = - 6

The second step is to combine  and add similar terms

x = -24 - 6

x = -30

<u><em /></u>

<u><em>Second method of solving the equation</em></u>

The equation the friends are trying to solve is \frac{x}{3} + 8 = -2

The first step is to combine similar terms

\frac{x}{3} = - 8 - 2

The second step is to add similar terms together

\frac{x}{3} = - 10

The third step is to multiply both sides of the equation by 3

x = (-10 x 3)

x = -30

A similar question was answered here: brainly.com/question/18613652?referrer=searchResults

5 0
3 years ago
Help, I tried it, but I keep getting the wrong answers
Aneli [31]

Answer:

my answer would be that

x = 17.91cm

(i'm not sure about it either but it's worth a try) !!

Step-by-step explanation:

so first off, using the equation given,

" c² = a² + b² — 2ab cos C "

we substitute the values in as,

a = 16

b = 30

then for C is the angle given, which is 30°

so the equation is now,

c² = (16)² + (30)² — 2(16)(30) cos 30°

now, you solve the two squared numbers and the back equation, also known as " 2ab cos C " with your scientific calculator.

so it now equals to,

c² = 256 + 900 — 960(0.87)

c² = 320.8

at last, when you have " c² = 320.8 " ,

remember to square root the answer so you have a smaller value.

so,

c equals to

\sqrt{320.8}

your final answer for the x value will be 17.91

(i hope this helps!)

8 0
3 years ago
Sam is renting one of two cars to go on a 300-mile trip. The first car can travel 75 miles on 5 gallons of gas. The second car c
djverab [1.8K]
First let’s establish a few things, The first car can travel 300 miles with 20 gallons of gas, if 14 gallons of gas costs 49.49 then for ever gallon of gas Sam is paying 3 dollars and 53.5 cents. That means for 20 gallons, Sam will need around 71$ for the entire trip if he uses the first car.
8 0
2 years ago
The winning 5K race time was less than 22 minutes.
Vladimir79 [104]

Answer:

im not entirely sure how to help you

Step-by-step explanation:

can you be more specific?

4 0
3 years ago
What is the value of 12^0 please help quick
Zanzabum

The answer is 1. That was easy because any number to the power of 0 is just 1.

3 0
4 years ago
Read 2 more answers
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