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3 years ago

38b/-19 please help me

1 answer:

Natasha2012 [34]3 years ago

7 0

You didn't write what to do with the fraction but I think you meant to ask to simplify it:
38b/-19
Multiply - 19 from top and bottom :
-2b

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A shirt marked $320.00 was sold at a discount of 5%. What was the selling price?

Mashcka [7]

Answer:

304

Step by step:

Using your calculator 5% of 320 is 16.

Since it was a discount, you subtract 16 since you're marking it down.

320-16=304

304 is your answer

How do I know? Well, there it takes 20+20+20+20+20 to equal a hundred. We can do this same math for this problem. 16 x 20 is 320

3 0

3 years ago

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How does knowing the double 6+6=12 help you solve the near double 6+7=13

forsale [732]

Answer:

6 + 7 = 13

Step-by-step explanation:

We are given the following information in the question:

We know that

$6 + 6 = 12$

We need this information to evaluate

$6+7$

The evaluation can be done with the help of using associative property and distributive property.

Associative property: (a + b) + c = a + (b + c)

The evaluation can be shown as:

$6 + 7\\= 6 + 6 + 1\\=(6 + 6) + 1\\= 12 + 1\\=13$

8 0

3 years ago

John is driving at a constant speed of 40 miles per hour. How long does it take him to travel 50 miles?

asambeis [7]

Answer:

1 hour and 15 minutes

1.25 hr.

Step-by-step explanation:

40 miles ⇒ 1 hr.

50 miles ⇒ total hours

$\frac{50}{40}$ = 1.25 hours

7 0

3 years ago

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PLEASE HELPPP IM DUM ITS EASY MATH

Leni [432]

Answer:

y = 3/2 x + 7

Step-by-step explanation:

Line intercept form =

Y = mx + b

m is the slope (rise over run) and b is the y intercept.

So what you want to first is get y by itself.

9x-6y = -42

-6y = -42 - 9x

y = 9/6 x + 7

y = 3/2 x + 7

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3 years ago

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To create a unique house paint color, Melton mixes together a sample that is 12 gallons of red, 2.5 gallons of yellow and 0.5 ga

Mariana [72]

Answer:

180

Step-by-step explanation:

total ratio is 15

gallons of red =

$\frac{12}{15} \times 6 \times \frac{15}{0.5 } \\ \\ = 144$

gallons of yellow

$30$

gallons of blue

$\frac{0.5}{15} \times 30 \times \frac{15}{2.5} \\ \\ = 6$

total =144+30+6

=180

4 0

2 years ago

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