3 years ago

I need help this is 6th grade Question 3×(5+4^2)-10

1 answer:

8 0

Using PEMDAS the you start with parentheses and exponents 4x4 would be 16 times 2 is 32 plus 5 is 37 then multiply that by 3 = 111 subtract 10 and get 101

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Please help ASAP

Citrus2011 [14]

Step-by-step explanation:

Age of dave = y

Age of Julia = x

y = 4x - 8

if y = 16

then

4x - 8 = 16

4x = 16 + 8

4x = 24

x = 24/4

x = 6

Julia is 6 years old

3 0

2 years ago

Read 2 more answers

The sum of four and twice a number is 52

julsineya [31]

Answer:

X=24

Step-by-step explanation:

Let a no =X

2x+4=52

2x=52-4

2x=48

X=48/2

X=24

So number =24

6 0

3 years ago

The regular admission price for an amusement park is $72. For a group of 15 or more, the admission is reduced by $25 per person.

Lena [83]

20 people because 500÷25=20 and 72x20 is 1440 and 1440-500=940$

6 0

3 years ago

A shopper buys 3 notebook for $5 each the percent of sales tax is 8% how much is the total sale

Vlad1618 [11]

All you have to do is 3×5=15
then 8÷8=1 so 16 dollars

6 0

3 years ago

What is the sum of (5x2 + x - 3) and (-4x2 - x +9) ?

matrenka [14]

Answer:

$x^{2} + 6$

Step-by-step explanation:

6 0

3 years ago